Cheap flights from Washington, D.C. (WAS) to Seattle (SEA) from $90

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
WAS — SEA
May 21 — May 281

The best prices from Washington, D.C. to Seattle/Tacoma Intl are usually found in January or February, booked 52 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Washington, D.C. to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 16, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$247

One-way from

$124
High demand for flights, 24% potential price rise
Best time to find cheap flights, 17% potential price drop
From Washington, D.C. (WAS) to Seattle/Tacoma Intl
One-way flight from Washington, D.C. (WAS) to Seattle/Tacoma Intl

What is the cheapest day to fly round-trip from Washington, D.C. to Seattle?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 19% on the overall cost on flights from Washington, D.C. to Seattle.

How far in advance should I book a flight from Washington, D.C. to Seattle?

Find a great deal and save up to 61% by booking at least 53 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. to Seattle within the next two weeks, with the cheapest ticket starting at $472.

What is the cheapest month to fly from Washington, D.C. to Seattle?

January can be a great time to fly to Seattle from Washington, D.C. with a flight ticket averaging about $407. Cheapflights users have found deals in the month of January for as cheap as $139. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Washington, D.C. to Seattle (WAS - SEA)?

It’s typically best to fly out from Washington, D.C. to Seattle at noon. Doing so could potentially save you 27% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Frontier flights from Washington, D.C. to Seattle

Explore cheap flight options specifically provided by Frontier for the route between Washington, D.C. and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Consider these cheap Frontier flights we've found departing from Washington, D.C. to Seattle. Make sure to double check the flight details before booking.
Sat 8/247:00 amDCA - SEA
1 stop28h 37mFrontier
Wed 9/410:08 pmSEA - DCA
1 stop11h 01mFrontier
Deal found 5/15$177
Wed 9/412:59 pmDCA - SEA
1 stop11h 12mFrontier
Wed 9/119:37 amSEA - DCA
1 stop9h 22mFrontier
Deal found 5/15$180
Tue 5/286:57 pmDCA - SEA
1 stop15h 37mFrontier
Sat 6/110:22 amSEA - DCA
1 stop22h 41mFrontier
Deal found 5/15$182
Sat 8/246:59 pmDCA - SEA
1 stop16h 38mFrontier
Sat 8/3110:08 pmSEA - DCA
1 stop11h 01mFrontier
Deal found 5/15$184
Tue 9/36:59 pmDCA - SEA
1 stop16h 38mFrontier
Wed 9/119:37 amSEA - DCA
1 stop9h 22mFrontier
Deal found 5/15$187
Wed 8/2812:59 pmDCA - SEA
1 stop11h 12mFrontier
Wed 9/410:08 pmSEA - DCA
1 stop11h 01mFrontier
Deal found 5/15$188
Tue 8/206:59 pmDCA - SEA
1 stop16h 38mFrontier
Mon 8/2610:08 pmSEA - DCA
1 stop11h 01mFrontier
Deal found 5/14$189
Sat 9/76:59 pmDCA - SEA
1 stop16h 38mFrontier
Wed 9/119:37 amSEA - DCA
1 stop9h 22mFrontier
Deal found 5/15$190
Thu 6/67:00 amDCA - SEA
1 stop14h 53mFrontier
Fri 6/78:04 amSEA - DCA
1 stop7h 05mFrontier
Deal found 5/15$191
  • One of the most popular airlines traveling from Washington, D.C. to Seattle is Frontier. Flights from Frontier traveling this route typically cost $429.87 RT. This price is typically 41% cheaper than other airlines that offer Washington, D.C. to Seattle flights. When booking this route, the cheapest RT price found was $139. Washington, D.C. Dulles Intl Airport is the most common Washington, D.C. airport to take off from when flying to Seattle. Seattle/Tacoma Intl Airport is the most popular arrival airport in Seattle. When flying from Washington, D.C. to Seattle, Frontier flights are 11% more popular than any other airline flying that same route.

Cheap Spirit Airlines flights from Washington, D.C. to Seattle

Explore cheap flight options specifically provided by Spirit Airlines for the route between Washington, D.C. and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
To aid your search, here are some of the cheapest Spirit Airlines flights we've found from Washington, D.C. to Seattle. Deals frequently update to provide users with more options.
Wed 6/1210:14 pmBWI - SEA
1 stop13h 18mSpirit Airlines
Wed 6/199:28 amSEA - BWI
2 stops28h 03mSpirit Airlines
Deal found 5/15$254
Wed 6/1210:14 pmBWI - SEA
1 stop13h 18mSpirit Airlines
Thu 6/209:32 pmSEA - BWI
1 stop7h 56mSpirit Airlines
Deal found 5/15$255
Fri 5/319:20 pmBWI - SEA
1 stop14h 25mSpirit Airlines
Mon 6/39:40 pmSEA - BWI
1 stop12h 53mSpirit Airlines
Deal found 5/16$259
Tue 7/93:19 pmBWI - SEA
1 stop8h 32mSpirit Airlines
Fri 7/129:41 pmSEA - BWI
1 stop7h 39mSpirit Airlines
Deal found 5/15$261
Tue 6/412:31 pmBWI - SEA
2 stops23h 01mSpirit Airlines
Tue 6/119:41 pmSEA - BWI
1 stop8h 13mSpirit Airlines
Deal found 5/15$265
Sat 5/259:20 pmBWI - SEA
1 stop14h 25mSpirit Airlines
Wed 5/299:40 pmSEA - BWI
1 stop12h 48mSpirit Airlines
Deal found 5/15$272
Sat 5/256:47 pmBWI - SEA
2 stops16h 58mSpirit Airlines
Wed 5/299:40 pmSEA - BWI
2 stops21h 59mSpirit Airlines
Deal found 5/14$275
Sat 5/259:20 pmBWI - SEA
1 stop14h 25mSpirit Airlines
Wed 6/58:59 pmSEA - BWI
1 stop14h 30mSpirit Airlines
Deal found 5/16$283
Sat 5/255:25 pmBWI - SEA
2 stops18h 20mSpirit Airlines
Wed 5/299:40 pmSEA - BWI
1 stop12h 48mSpirit Airlines
Deal found 5/15$291
  • If you’re traveling from Washington, D.C. to Seattle, one of the more common airlines traveling that route is Spirit Airlines. Washington, D.C. to Seattle flights are typically 54% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $474.91 RT. The cheapest Spirit Airlines flight found for this route was $151. When traveling from Washington, D.C. to Seattle on Spirit Airlines, the most popular airport to depart from is Washington, D.C. Dulles Intl Airport and the most popular airport to arrive at is Seattle/Tacoma Intl Airport. When flying from Washington, D.C. to Seattle, Spirit Airlines flights are 11% more popular than any other airline flying that same route.

Cheap Washington, D.C. to Seattle flights in May & June 2024

Find cheap flight options from Washington, D.C. to Seattle specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
Scroll through some of the best deals on flights from Washington, D.C. to Seattle in 2024. Check back in a little while for more flight options.
Mon 6/109:28 pmBWI - SEA
1 stop14h 31mSpirit Airlines
Tue 6/119:41 pmSEA - BWI
1 stop8h 13mSpirit Airlines
Deal found 5/15$136
Tue 6/119:38 pmBWI - SEA
1 stop13h 54mSpirit Airlines
Mon 6/178:59 pmSEA - BWI
1 stop8h 46mSpirit Airlines
Deal found 5/15$174
Wed 6/57:09 pmBWI - SEA
2 stops29h 56mMultiple Airlines
Tue 6/119:41 pmSEA - BWI
1 stop14h 14mMultiple Airlines
Deal found 5/15$175
Mon 6/109:28 pmBWI - SEA
1 stop14h 31mSpirit Airlines
Tue 6/119:41 pmSEA - BWI
2 stops21h 33mSpirit Airlines
Deal found 5/15$182
Tue 5/286:57 pmDCA - SEA
1 stop15h 37mFrontier
Sat 6/110:22 amSEA - DCA
1 stop22h 41mFrontier
Deal found 5/15$182
Mon 6/109:28 pmBWI - SEA
1 stop14h 31mSpirit Airlines
Tue 6/119:41 pmSEA - BWI
2 stops20h 18mSpirit Airlines
Deal found 5/16$187
Thu 6/61:39 pmBWI - SEA
1 stop8h 14mMultiple Airlines
Tue 6/119:41 pmSEA - BWI
1 stop8h 13mMultiple Airlines
Deal found 5/14$191
Thu 6/67:00 amDCA - SEA
1 stop14h 53mFrontier
Fri 6/78:04 amSEA - DCA
1 stop7h 05mFrontier
Deal found 5/15$191
Mon 6/109:28 pmBWI - SEA
1 stop14h 31mSpirit Airlines
Tue 6/119:41 pmSEA - BWI
3 stops21h 33mSpirit Airlines
Deal found 5/15$192

Washington, D.C. to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Washington, D.C. and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Scroll through some of the best deals on flights from Washington, D.C. to Seattle in 2024. Check back in a little while for more flight options.
Mon 6/109:28 pmBWI - SEA
1 stop14h 31mSpirit Airlines
Tue 6/119:41 pmSEA - BWI
1 stop8h 13mSpirit Airlines
Deal found 5/15$136
Wed 8/219:27 pmBWI - SEA
1 stop14h 18mSpirit Airlines
Wed 8/285:00 pmSEA - BWI
1 stop10h 50mSpirit Airlines
Deal found 5/15$170
Tue 8/209:27 pmBWI - SEA
1 stop14h 18mSpirit Airlines
Mon 8/269:12 pmSEA - BWI
1 stop13h 21mSpirit Airlines
Deal found 5/14$173
Tue 6/119:38 pmBWI - SEA
1 stop13h 54mSpirit Airlines
Mon 6/178:59 pmSEA - BWI
1 stop8h 46mSpirit Airlines
Deal found 5/15$174
Wed 6/57:09 pmBWI - SEA
2 stops29h 56mMultiple Airlines
Tue 6/119:41 pmSEA - BWI
1 stop14h 14mMultiple Airlines
Deal found 5/15$175
Wed 8/212:25 pmBWI - SEA
1 stop8h 56mSpirit Airlines
Wed 8/285:00 pmSEA - BWI
1 stop10h 50mSpirit Airlines
Deal found 5/16$176
Wed 8/288:00 amBWI - SEA
1 stop11h 08mSpirit Airlines
Wed 9/45:00 pmSEA - BWI
1 stop20h 00mSpirit Airlines
Deal found 5/15$177
Sat 8/247:00 amDCA - SEA
1 stop28h 37mFrontier
Wed 9/410:08 pmSEA - DCA
1 stop11h 01mFrontier
Deal found 5/15$177
Wed 9/412:59 pmDCA - SEA
1 stop11h 12mFrontier
Wed 9/119:37 amSEA - DCA
1 stop9h 22mFrontier
Deal found 5/15$180

Non-stop flights to Seattle from Washington, D.C.

Discover non-stop flight options from Washington, D.C. to Seattle. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Take a look at some of the direct flights traveling from Washington, D.C. to Seattle in the near future. If you're looking for other options for flights from Washington, D.C. to Seattle, make sure to update the search form at the top of page.
Sat 11/25:20 pmIAD - SEA
Nonstop5h 52mDelta
Tue 11/1210:00 pmSEA - IAD
Nonstop4h 56mDelta
Deal found 5/15$277
Thu 10/317:50 amIAD - SEA
Nonstop5h 54mDelta
Wed 11/138:05 amSEA - IAD
Nonstop5h 06mDelta
Deal found 5/15$283
Thu 10/315:20 pmIAD - SEA
Nonstop5h 52mDelta
Mon 11/410:00 pmSEA - IAD
Nonstop4h 56mDelta
Deal found 5/15$289
Sat 6/1510:15 pmIAD - SEA
Nonstop5h 44mUnited Airlines
Tue 6/2511:29 pmSEA - IAD
Nonstop4h 59mUnited Airlines
Deal found 5/15$295
Sat 6/810:15 pmIAD - SEA
Nonstop5h 44mUnited Airlines
Tue 7/28:05 amSEA - IAD
Nonstop5h 12mUnited Airlines
Deal found 5/16$301
Sat 8/2412:40 pmIAD - SEA
Nonstop5h 48mUnited Airlines
Sat 8/318:10 amSEA - IAD
Nonstop5h 05mUnited Airlines
Deal found 5/15$305
Wed 6/1210:15 pmIAD - SEA
Nonstop5h 44mUnited Airlines
Wed 6/1910:25 pmSEA - IAD
Nonstop4h 59mUnited Airlines
Deal found 5/15$306
Wed 7/1010:05 pmIAD - SEA
Nonstop5h 44mUnited Airlines
Tue 7/1611:35 pmSEA - IAD
Nonstop4h 59mUnited Airlines
Deal found 5/15$307
Wed 7/1710:05 pmIAD - SEA
Nonstop5h 44mUnited Airlines
Tue 7/2311:35 pmSEA - IAD
Nonstop4h 59mUnited Airlines
Deal found 5/15$310

Washington, D.C. to Seattle flights leaving soon

Find last-minute flight options from Washington, D.C. to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Check out these flights departing soon from Washington, D.C. to Seattle. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Tue 5/286:57 pmDCA - SEA
1 stop15h 37mFrontier
Sat 6/110:22 amSEA - DCA
1 stop22h 41mFrontier
Deal found 5/15$182
Tue 5/286:57 pmDCA - SEA
1 stop15h 37mFrontier
Wed 6/57:54 amSEA - DCA
1 stop11h 03mFrontier
Deal found 5/16$193
Wed 5/297:00 amDCA - SEA
1 stop28h 30mFrontier
Sat 6/110:22 amSEA - DCA
1 stop22h 41mFrontier
Deal found 5/15$201
Tue 5/286:57 pmDCA - SEA
1 stop15h 37mFrontier
Fri 5/319:45 amSEA - DCA
1 stop9h 14mFrontier
Deal found 5/15$212
Thu 5/3012:55 pmDCA - SEA
1 stop10h 54mFrontier
Wed 6/57:54 amSEA - DCA
1 stop11h 03mFrontier
Deal found 5/15$217
Wed 5/296:57 pmDCA - SEA
1 stop28h 52mFrontier
Wed 6/59:41 pmSEA - DCA
1 stop11h 24mFrontier
Deal found 5/15$218
Thu 5/3012:55 pmDCA - SEA
1 stop22h 50mFrontier
Tue 6/48:14 pmSEA - DCA
1 stop12h 47mFrontier
Deal found 5/15$238
Thu 5/3012:55 pmDCA - SEA
1 stop10h 54mFrontier
Mon 6/39:40 amSEA - DCA
1 stop9h 19mFrontier
Deal found 5/15$246
Sat 5/256:57 pmDCA - SEA
1 stop15h 07mFrontier
Sat 6/110:08 pmSEA - DCA
1 stop10h 55mFrontier
Deal found 5/15$248

One-way flights to Seattle from Washington, D.C.

Search for one-way flight options from Washington, D.C. to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Some of the best available deals we've found on one-way flights from Washington, D.C. to Seattle. Users in need of a round-trip flight from Washington, D.C. to Seattle instead should update the search form at the top of page.
Tue 6/1112:59 pmDCA - SEA
1 stop9h 11mFrontier
Deal found 5/15$90
Wed 8/2812:59 pmDCA - SEA
1 stop11h 12mFrontier
Deal found 5/15$96
Wed 8/2112:59 pmDCA - SEA
1 stop22h 38mFrontier
Deal found 5/14$100
Wed 6/512:53 pmDCA - SEA
1 stop24h 33mFrontier
Deal found 5/15$101
Fri 6/77:00 amDCA - SEA
1 stop10h 33mFrontier
Deal found 5/16$109
Fri 6/77:00 amDCA - SEA
1 stop10h 33mFrontier
Deal found 5/15$114
Thu 6/67:00 amDCA - SEA
1 stop14h 53mFrontier
Deal found 5/15$115
Mon 8/196:59 pmDCA - SEA
1 stop16h 38mFrontier
Deal found 5/15$116
Tue 7/25:50 pmIAD - SEA
1 stop17h 12mSun Country Air
Deal found 5/15$119

Find flights from Washington, D.C. to Seattle within your budget

Customize your flight search to find flights from Washington, D.C. to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$177 - $299

Route

Depart

Return

Price

Washington, D.C. Reagan-NationalSeattle/Tacoma Intl

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Sat 8/24

1 stop28h 37m

Seattle/Tacoma Intl

Wed 9/4

1 stop11h 01m

$177

Washington, D.C. Reagan-NationalSeattle/Tacoma Intl

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Wed 9/4

1 stop11h 12m

Seattle/Tacoma Intl

Wed 9/11

1 stop9h 22m

$180

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Wed 6/12

1 stop13h 18m

Seattle/Tacoma Intl

Wed 6/19

2 stops28h 03m

$254

Washington, D.C. Dulles IntlSeattle/Tacoma Intl

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Thu 5/30

1 stop11h 30m

Seattle/Tacoma Intl

Sat 6/1

1 stop8h 37m

$255

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Mon 6/17

1 stop14h 31m

Seattle/Tacoma Intl

Wed 6/26

1 stop13h 03m

$256

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Sun 5/26

1 stop7h 40m

Seattle/Tacoma Intl

Tue 5/28

1 stop7h 19m

$258

Baltimore/WashingtonSeattle/Tacoma Intl

BWI - SEA

BWISEA

Baltimore/Washington

Tue 8/13

2 stops10h 14m

Seattle/Tacoma Intl

Mon 8/19

1 stop9h 26m

$262

Washington, D.C. Dulles IntlSeattle/Tacoma Intl

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 11/6

1 stop10h 48m

Seattle/Tacoma Intl

Wed 11/13

Nonstop4h 47m

$286

Washington, D.C. Dulles IntlSeattle/Tacoma Intl

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Sun 8/18

Nonstop5h 44m

Seattle/Tacoma Intl

Fri 8/30

1 stop7h 39m

$299

Flights are sorted by cheapest first

Deals found on 5/15

When is the best time to book a flight from Washington, D.C. to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Seattle. Price data was last updated on May 10, 2024.
The best time to book flights from Washington, D.C. to Seattle is 52 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Washington, D.C. to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Seattle. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. to Seattle flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Seattle by month

Plan your trip from Washington, D.C. to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Washington, D.C. to Seattle is currently $107 while a round-trip flight costs $247. Price data was last updated on May 12, 2024.

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Seattle (average of $247). Flying from Washington, D.C. to Seattle in July is currently the most expensive (average of $407). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$247

February

$254

March

$288

April

$294

May

$318

June

$404

July

$407

August

$344

September

$278

October

$256

November

$258

December

$248

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

41 - 66.2 °F

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated May 16, 2024.
See what other customers who have flown with Frontier, Spirit Airlines and Sun Country Air from Washington, D.C. to Seattle have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,040 reviews

Crew

8.7

Entertainment

7.8

Food

7.3

Comfort

8.1

Boarding

8.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
6,040 reviews
Southwest
8.2
Very good
6,040 reviews

Crew

8.7

Entertainment

7.8

Food

7.3

Comfort

8.1

Boarding

8.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

8.1
Very good
9,157 reviews
Southwest
8.2
Very good
6,040 reviews

Crew

8.7

Entertainment

7.8

Food

7.3

Comfort

8.1

Boarding

8.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

8.0
Very good
10,673 reviews
Southwest
8.2
Very good
6,040 reviews

Crew

8.7

Entertainment

7.8

Food

7.3

Comfort

8.1

Boarding

8.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.5
Good
2,919 reviews
Southwest
8.2
Very good
6,040 reviews

Crew

8.7

Entertainment

7.8

Food

7.3

Comfort

8.1

Boarding

8.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.4
Good
10,924 reviews
Southwest
8.2
Very good
6,040 reviews

Crew

8.7

Entertainment

7.8

Food

7.3

Comfort

8.1

Boarding

8.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Seattle from Washington, D.C.?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Seattle. 9 airlines have flights to Seattle/Tacoma Intl from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 19 inbound flights from Washington, D.C. per day.

  • Can I find flights from Washington, D.C. to Seattle for under $200 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. to Seattle for under $200. The cheapest flight booked recently is on Frontier for just $177, but on average you can expect to pay $195.

  • Are there nonstop flights from Washington, D.C. to Seattle for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Washington, D.C. to Seattle under $300. A good price for a nonstop flight from Washington, D.C. to Seattle is less than $309.

  • Are there last-minute flights available from Washington, D.C. to Seattle for under $200?

    There are currently 20+ open flights from Washington, D.C. to Seattle within the next 7 days for less than $200.

  • What days are nonstop flights available from Washington, D.C. to Seattle?

    Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

  • How many flights depart from Washington, D.C. to Seattle on average per day?

    On average 12 flights depart from Washington, D.C. to Seattle per day.
    Morning (6am - Noon) - 100% of flight departures

  • How long is the flight from Washington, D.C. to Seattle?

    There are many flights that can get you from Washington, D.C. to Seattle in 28h 37m. Fly via Frontier to get the fastest option. There are 2313 mi between Washington, D.C. and Seattle.

  • What is the cheapest airline to fly from Washington, D.C. to Seattle round-trip?

    According to our current data, Frontier ($177), offers the cheapest pricing from Washington, D.C. to Seattle. You may be able to fly from Washington, D.C. to Seattle for 56% less than the average price by searching for this airline.

  • What are the cheapest airlines to fly from Washington, D.C. to Seattle one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $90. Users have also found prices from $119 and $126 on Sun Country Air and Spirit Airlines, respectively.

  • What are the most popular routes from Washington, D.C. to Seattle?

  • What are the most popular airlines that fly from Washington, D.C. to Seattle?

  • What are the most reliable airlines from Washington, D.C. to Seattle?

    Consider Japan Airlines (90%), United Airlines (87%) or Air Tahiti Nui (85%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Seattle.

  • What are the cheapest flights from Washington, D.C. to Seattle?

    Looking for the cheapest flight from Washington, D.C. to Seattle? While on average our users pay $839, our data indicates the cheapest price to be $144. The most popular route (Washington, D.C. Dulles Intl - Seattle/Tacoma Intl), is priced around $265.

  • What does IAD to SEA mean?

    This is defined as Washington, D.C. Dulles Intl Airport (IAD) and Seattle/Tacoma Intl Airport (SEA). Codes like Seattle/Tacoma Intl Airport are often used to just call airports uniquely. Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA) are other airports near this flight route and their unique identifiers/IATA codes.

  • Where are the most common layover locations when flying from Washington, D.C. to Seattle?

  • What are some popular things to do or see while on a layover in Denver?

    The majority of Denver visitors spend their time at Coors Field, 16th Street Mall, and Civic Center Park. Coors Field, 16th Street Mall, and Civic Center Park can be visited by traveling about 18.4 mi, 18.7 mi, and 18.7 mi respectively from Denver Intl. Travelers can rent a car at Denver Intl for an average daily rate of $43 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Washington, D.C. to Seattle flights?

  • Can I find deals for flights from Washington, D.C. to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Washington, D.C. to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Washington, D.C. to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington, D.C. to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Washington, D.C. to Seattle that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Seattle.

  • Can I find deals for business class flights from Washington, D.C. to Seattle?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Washington, D.C. to Seattle that allow pets onboard?

    Many airlines flying from Washington, D.C. to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Washington, D.C. to Seattle?

    Yes, you can often find last-minute deals on Washington, D.C. to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. to Seattle flight deals updated?

    The Washington, D.C. to Seattle flight deals you see on this page were last updated on 5/16.

See more FAQs

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Fly from Washington, D.C. to Seattle on these airlines
Choose from the following airlines for your flight from Washington, D.C. to Seattle. Flights are based on user searches made on Cheapflights and were last updated on May 16, 2024.

Top 8 airlines flying from Washington, D.C. to Seattle

Discover the top 8 airlines that operate flights from Washington, D.C. to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$262FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapest$119Average$271FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapest$139Average$430FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$151Average$475FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Sun Country AirCheapest$169Average$424FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights
United AirlinesCheapest$169Average$449FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Spirit AirlinesCheapest$174Average$307FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$225Average$455FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from Washington, D.C. to Seattle by cabin class

Find flights from Washington, D.C. to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Washington, D.C. to Seattle

Find hourly flight availability from Washington, D.C. to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 16, 2024.
1%of flight departuresEarly morningMidnight to 6 am
66%of flight departuresMorning6 am to noon
28%of flight departuresAfternoonNoon to 6 pm
5%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Washington, D.C. to Seattle

Explore weekly flight availability from Washington, D.C. to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 16, 2024.
Sunday20daily flights
Monday21daily flights
Tuesday17daily flights
Wednesday18daily flights
Thursday18daily flights
Friday22daily flights
Saturday19daily flights

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How does Cheapflights help users find flights from Washington, D.C. to Seattle?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from Washington, D.C. today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Seattle?

Cheapflights helps you find that perfect flight to Seattle from Washington, D.C. by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Washington, D.C. to Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Washington, D.C. to Seattle flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Seattle become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Washington, D.C. today and book when prices fit your budget.

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