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Cheap flights from Duluth to Seattle (DLH - SEA) from $234

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 5/25. 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.
DLH — SEA
May 10 — May 171
From?
To?
Fri 5/10
Fri 5/17
1 adult, Economy
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Cheap flight deals from Duluth to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) 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 5, 2024.

Popular in

June

Cheapest in

May

Round-trip from

$245

One-way from

$234
High demand for flights, 38% potential price rise
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Best time to find cheap flights, 53% potential price drop
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From Duluth Intl to Seattle/Tacoma Intl
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One-way flight from Duluth Intl to Seattle/Tacoma Intl
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What is the cheapest day to fly round-trip from Duluth to Seattle?

Friday flights are generally found to be more expensive for flights from Duluth to Seattle. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

What is the cheapest month to fly from Duluth to Seattle?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, May can be a great choice for travel to Seattle. Flights to Seattle from Duluth in May are about $582 on average during May, but can be found for as low as $176.

When is the cheapest time to fly from Duluth to Seattle (DLH - SEA)?

When flying from Duluth to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 17% versus a flight in the morning.

Cheap Delta flights from Duluth to Seattle

Explore cheap flight options specifically provided by Delta for the route between Duluth 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 2,719,943 searches. Data last updated May 5, 2024.
Consider these cheap Delta flights we've found departing from Duluth to Seattle. Be sure to come back soon if the deals available don't appeal to you at this time.
Sat 6/15:29 amDLH - SEA
2 stops11h 13mDelta
Sat 6/87:59 pmSEA - DLH
2 stops12h 18mDelta
Deal found 5/4$316
Sat 6/15:29 amDLH - SEA
2 stops11h 13mDelta
Fri 6/712:40 amSEA - DLH
1 stop7h 38mDelta
Deal found 5/4$422
Thu 6/205:44 pmDLH - SEA
1 stop8h 11mDelta
Tue 6/251:30 pmSEA - DLH
2 stops8h 16mDelta
Deal found 5/4$511
Thu 6/205:44 pmDLH - SEA
2 stops8h 15mDelta
Tue 6/251:30 pmSEA - DLH
2 stops8h 16mDelta
Deal found 5/4$516
Thu 6/205:44 pmDLH - SEA
1 stop8h 11mDelta
Tue 6/251:30 pmSEA - DLH
2 stops8h 16mDelta
Deal found 5/5$537
Thu 6/205:44 pmDLH - SEA
2 stops8h 15mDelta
Tue 6/251:30 pmSEA - DLH
2 stops8h 16mDelta
Deal found 5/5$542
Tue 5/215:29 amDLH - SEA
1 stop5h 14mDelta
Mon 5/2712:40 amSEA - DLH
1 stop7h 08mDelta
Deal found 5/4$551
Tue 5/215:29 amDLH - SEA
2 stops12h 35mDelta
Mon 5/2712:40 amSEA - DLH
1 stop7h 08mDelta
Deal found 5/4$556
Tue 5/215:29 amDLH - SEA
2 stops12h 35mDelta
Tue 5/287:59 pmSEA - DLH
2 stops11h 49mDelta
Deal found 5/4$561

Cheap United Airlines flights from Duluth to Seattle

Explore cheap flight options specifically provided by United Airlines for the route between Duluth 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 2,719,943 searches. Data last updated May 5, 2024.
To aid your search, here are some of the cheapest United Airlines flights we've found from Duluth to Seattle. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Tue 5/2111:20 amDLH - SEA
1 stop13h 07mUnited Airlines
Tue 5/2811:59 pmSEA - DLH
1 stop8h 48mUnited Airlines
Deal found 5/4$515
Tue 5/217:51 amDLH - SEA
2 stops17h 02mUnited Airlines
Tue 5/2811:59 pmSEA - DLH
1 stop8h 48mUnited Airlines
Deal found 5/4$520
Sat 5/117:51 amDLH - SEA
2 stops15h 36mUnited Airlines
Sat 5/1811:45 pmSEA - DLH
1 stop19h 43mUnited Airlines
Deal found 5/4$565
Sat 5/117:51 amDLH - SEA
2 stops15h 36mUnited Airlines
Sat 5/184:19 pmSEA - DLH
2 stops16h 12mUnited Airlines
Deal found 5/4$570
Thu 6/2011:22 amDLH - SEA
1 stop14h 36mUnited Airlines
Tue 6/2511:59 pmSEA - DLH
1 stop8h 48mUnited Airlines
Deal found 5/5$602
Wed 7/103:13 pmDLH - SEA
1 stop7h 56mUnited Airlines
Fri 7/1212:30 amSEA - DLH
1 stop19h 42mUnited Airlines
Deal found 5/3$610
Wed 7/108:05 amDLH - SEA
1 stop10h 03mUnited Airlines
Sat 7/1311:47 pmSEA - DLH
1 stop8h 45mUnited Airlines
Deal found 5/3$617
Sat 5/117:51 amDLH - SEA
1 stop12h 54mUnited Airlines
Sat 5/1811:45 pmSEA - DLH
1 stop19h 43mUnited Airlines
Deal found 5/4$621
Wed 7/108:05 amDLH - SEA
2 stops16h 40mUnited Airlines
Fri 7/1212:30 amSEA - DLH
1 stop19h 42mUnited Airlines
Deal found 5/3$635

Cheap Duluth to Seattle flights in May & June 2024

Find cheap flight options from Duluth 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 2,719,943 searches. Prices were last updated on May 5, 2024.
These are some of the best deals we've found on flights to Seattle in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Sat 6/15:29 amDLH - SEA
2 stops11h 13mDelta
Sat 6/87:59 pmSEA - DLH
2 stops12h 18mDelta
Deal found 5/4$316
Sat 6/15:29 amDLH - SEA
2 stops11h 13mDelta
Fri 6/712:40 amSEA - DLH
1 stop7h 38mDelta
Deal found 5/4$422
Thu 6/205:44 pmDLH - SEA
1 stop8h 11mDelta
Tue 6/251:30 pmSEA - DLH
2 stops8h 16mDelta
Deal found 5/4$511
Tue 5/2111:20 amDLH - SEA
1 stop13h 07mUnited Airlines
Tue 5/2811:59 pmSEA - DLH
1 stop8h 48mUnited Airlines
Deal found 5/4$515
Thu 6/205:44 pmDLH - SEA
2 stops8h 15mDelta
Tue 6/251:30 pmSEA - DLH
2 stops8h 16mDelta
Deal found 5/4$516
Tue 5/217:51 amDLH - SEA
2 stops17h 02mUnited Airlines
Tue 5/2811:59 pmSEA - DLH
1 stop8h 48mUnited Airlines
Deal found 5/4$520
Thu 6/205:44 pmDLH - SEA
1 stop8h 11mDelta
Tue 6/251:30 pmSEA - DLH
2 stops8h 16mDelta
Deal found 5/5$537
Thu 6/205:44 pmDLH - SEA
2 stops8h 15mDelta
Tue 6/251:30 pmSEA - DLH
2 stops8h 16mDelta
Deal found 5/5$542
Tue 5/215:29 amDLH - SEA
1 stop5h 14mDelta
Mon 5/2712:40 amSEA - DLH
1 stop7h 08mDelta
Deal found 5/4$551

Duluth to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Duluth and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
These are some of the best deals we've found on flights to Seattle in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Sat 6/15:29 amDLH - SEA
2 stops11h 13mDelta
Sat 6/87:59 pmSEA - DLH
2 stops12h 18mDelta
Deal found 5/4$316
Sat 6/15:29 amDLH - SEA
2 stops11h 13mDelta
Fri 6/712:40 amSEA - DLH
1 stop7h 38mDelta
Deal found 5/4$422
Fri 10/112:45 pmDLH - SEA
1 stop7h 25mDelta
Tue 10/154:30 pmSEA - DLH
1 stop5h 18mDelta
Deal found 5/5$506
Thu 8/222:45 pmDLH - SEA
2 stops11h 12mDelta
Sun 8/2512:30 amSEA - DLH
1 stop7h 16mDelta
Deal found 5/4$511
Tue 5/2111:20 amDLH - SEA
1 stop13h 07mUnited Airlines
Tue 5/2811:59 pmSEA - DLH
1 stop8h 48mUnited Airlines
Deal found 5/4$515
Thu 6/205:44 pmDLH - SEA
2 stops8h 15mDelta
Tue 6/251:30 pmSEA - DLH
2 stops8h 16mDelta
Deal found 5/4$516
Tue 5/217:51 amDLH - SEA
2 stops17h 02mUnited Airlines
Tue 5/2811:59 pmSEA - DLH
1 stop8h 48mUnited Airlines
Deal found 5/4$520
Thu 6/205:44 pmDLH - SEA
1 stop8h 11mDelta
Tue 6/251:30 pmSEA - DLH
2 stops8h 16mDelta
Deal found 5/5$537
Thu 6/205:44 pmDLH - SEA
2 stops8h 15mDelta
Tue 6/251:30 pmSEA - DLH
2 stops8h 16mDelta
Deal found 5/5$542

Duluth to Seattle flights leaving soon

Find last-minute flight options from Duluth 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 2,719,943 searches. Data last updated May 5, 2024.
Have a look at some of the flights available from Duluth to Seattle departing last-minute. It's wise to confirm all flight details are correct before booking.
Sat 5/117:51 amDLH - SEA
2 stops15h 36mUnited Airlines
Sat 5/1811:45 pmSEA - DLH
1 stop19h 43mUnited Airlines
Deal found 5/4$565
Sat 5/117:51 amDLH - SEA
2 stops15h 36mUnited Airlines
Sat 5/184:19 pmSEA - DLH
2 stops16h 12mUnited Airlines
Deal found 5/4$570
Sat 5/117:51 amDLH - SEA
1 stop12h 54mUnited Airlines
Sat 5/1811:45 pmSEA - DLH
1 stop19h 43mUnited Airlines
Deal found 5/4$621
Sat 5/117:51 amDLH - SEA
2 stops15h 36mUnited Airlines
Sat 5/1811:16 amSEA - DLH
3 stops21h 15mUnited Airlines
Deal found 5/4$647

One-way flights to Seattle from Duluth

Search for one-way flight options from Duluth 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 2,719,943 searches. Data last updated May 5, 2024.
Take a look at some of the one-way flights we've detected from Duluth to Seattle. For those needing a return trip from Duluth, there is a search form available above.
Sat 5/255:29 amDLH - SEA
1 stop5h 14mDelta
Deal found 5/3$234
Sat 5/255:29 amDLH - SEA
2 stops11h 13mDelta
Deal found 5/3$239
Fri 6/145:44 pmDLH - SEA
1 stop8h 11mDelta
Deal found 5/4$253
Fri 6/145:44 pmDLH - SEA
2 stops8h 15mDelta
Deal found 5/4$258
Sun 5/127:51 amDLH - SEA
2 stops17h 11mUnited Airlines
Deal found 5/5$367
Sun 5/127:51 amDLH - SEA
2 stops17h 11mUnited Airlines
Deal found 5/4$397
Fri 5/1011:20 amDLH - SEA
2 stops13h 42mUnited Airlines
Deal found 5/4$407
Sun 5/1210:33 amDLH - SEA
1 stop8h 27mDelta
Deal found 5/5$473
Sun 5/123:15 pmDLH - SEA
3 stops33h 47mUnited Airlines
Deal found 5/5$658

Find flights from Duluth to Seattle within your budget

Customize your flight search to find flights from Duluth 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 2,719,943 searches. Data last updated May 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$316 - $570

Route

Depart

Return

Price

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Sat 6/1

2 stops11h 13m

Seattle/Tacoma Intl

Sat 6/8

2 stops12h 18m

$316

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Sat 6/1

2 stops11h 13m

Seattle/Tacoma Intl

Fri 6/7

1 stop7h 38m

$422

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Thu 6/20

1 stop8h 11m

Seattle/Tacoma Intl

Tue 6/25

2 stops8h 16m

$511

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Tue 5/21

1 stop13h 07m

Seattle/Tacoma Intl

Tue 5/28

1 stop8h 48m

$515

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Thu 6/20

2 stops8h 15m

Seattle/Tacoma Intl

Tue 6/25

2 stops8h 16m

$516

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Tue 5/21

2 stops17h 02m

Seattle/Tacoma Intl

Tue 5/28

1 stop8h 48m

$520

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Thu 6/20

1 stop8h 11m

Seattle/Tacoma Intl

Tue 6/25

2 stops8h 16m

$537

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Sat 5/11

2 stops15h 36m

Seattle/Tacoma Intl

Sat 5/18

1 stop19h 43m

$565

Duluth IntlSeattle/Tacoma Intl

DLH - SEA

DLHSEA

Duluth Intl

Sat 5/11

2 stops15h 36m

Seattle/Tacoma Intl

Sat 5/18

2 stops16h 12m

$570

Flights are sorted by cheapest first

Deals found on 5/4

When is the cheapest time to fly from Duluth to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Duluth to Seattle. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Duluth to Seattle flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday mornings 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 Duluth to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Duluth to Seattle is currently $365 while a round-trip flight costs $497. Price data was last updated on April 28, 2024.

Currently, December is the cheapest month in which you can book a flight from Duluth to Seattle (average of $245). Flying from Duluth to Seattle in July is currently the most expensive (average of $408). 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

$320

June

$406

July

$408

August

$343

September

$278

October

$257

November

$258

December

$245

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 5, 2024.
See what other customers who have flown with Delta and United Airlines from Duluth to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,826 reviews
Check prices

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

It was a good experience other than a short delay.

Delta
8.1
Very good
10,826 reviews
Delta
8.1
Very good
10,826 reviews
Check prices

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

It was a good experience other than a short delay.

United Airlines
7.4
Good
11,118 reviews
Delta
8.1
Very good
10,826 reviews
Check prices

Boarding

8.2

Crew

8.6

Food

7.4

Overall

8.1

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

It was a good experience other than a short delay.

Related info for your journey

Find useful and relevant information for your journey from Duluth to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Duluth to Seattle for under $400 on Cheapflights?

    Yes, there are multiple flights from Duluth to Seattle for under $400. The cheapest flight booked recently is on Delta for just $316, but on average you can expect to pay $549.

  • Are there last-minute flights available from Duluth to Seattle for under $600?

    There are currently 4+ open flights from Duluth to Seattle within the next 7 days for less than $600.

  • What are the cheapest airlines flying from Duluth to Seattle round-trip?

    Currently priced at $316, Delta will fly you from Duluth to Seattle and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $515. Delta is 45% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular airlines that fly from Duluth to Seattle?

    The most popular airlines flying from Duluth to Seattle are Delta, Sun Country Air and United Airlines. Something to consider prior to booking your flight.

  • What does DLH to SEA mean?

    DLH and SEA are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. DLH to SEA refers to a flight route from Duluth Intl Airport to Seattle/Tacoma Intl Airport.

  • Can I find deals for flights from Duluth to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Duluth 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 Duluth to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Duluth 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 Duluth to Seattle that include hotel bookings?

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

  • How can I find direct flights from Duluth to Seattle?

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

  • Can I find deals for business class flights from Duluth to Seattle?

    Yes. Cheapflights offers flight deals from Duluth 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 Duluth to Seattle that allow pets onboard?

    Many airlines flying from Duluth 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 Duluth to Seattle?

    Yes, you can often find last-minute deals on Duluth 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 Duluth to Seattle flight deals updated?

    The Duluth to Seattle flight deals you see on this page were last updated on 5/5.

See more FAQs

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Alternative routes for Duluth to Seattle
See prices for flight routes from nearby airports that may be better suited for you.

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Top 3 airlines flying from Duluth to Seattle

Discover the top 3 airlines that operate flights from Duluth 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 2,719,943 searches. Data last updated May 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$165Average$406FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights
DeltaCheapest$277Average$575FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$348Average$692FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Duluth to Seattle by cabin class

Find flights from Duluth to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Duluth to Seattle?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Duluth to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Duluth to Seattle?

Cheapflights simply makes it quick and affordable to book flights from Duluth to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Duluth to Seattle with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Duluth to Seattle, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Duluth to Seattle become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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