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Cheap flights from St. Louis (STL) to Washington from $82

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 6/12. 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.
STL — SEA
May 14 — May 211
From?
To?
Tue 5/14
Tue 5/21
1 adult, Economy
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How far in advance should I book a flight from St. Louis to State of Washington?

Users have found that booking a flight from St. Louis to State of Washington at least 56 days early can save you up to 14% on average compared to booking a flight this week. If booking 56 days before your flight isn’t an option for you, users have found flights from St. Louis to State of Washington for as little as $277 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $408 for flights departing within the next 3 days.

What is the cheapest month to fly from St. Louis to State of Washington?

Flights from St. Louis to State of Washington lean towards being more expensive in July. Prices are generally better when you fly from St. Louis to State of Washington in February, with the cheapest ticket starting at $133.

When is the cheapest time to fly from St. Louis to State of Washington (STL - WA)?

When flying from St. Louis to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Frontier flights from St. Louis to Washington

Explore cheap flight options specifically provided by Frontier for the route between St. Louis and Washington. 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 2,717,708 searches. Data last updated May 9, 2024.
Check out some of the cheapest Frontier flights we've come across from St. Louis to Washington. It's recommended that users confirm their flight details before booking.
Wed 5/158:04 pmSTL - SEA
1 stop14h 26mFrontier
Mon 5/208:00 pmSEA - STL
1 stop12h 13mFrontier
Deal found 5/8$164
Thu 9/57:29 pmSTL - SEA
1 stop17h 19mFrontier
Mon 9/1610:08 pmSEA - STL
1 stop11h 42mFrontier
Deal found 5/7$169
Tue 9/1710:32 pmSTL - SEA
1 stop12h 05mFrontier
Wed 9/187:51 pmSEA - STL
1 stop12h 27mFrontier
Deal found 5/8$170
Fri 6/710:59 pmSTL - SEA
1 stop11h 10mFrontier
Mon 6/109:49 pmSEA - STL
1 stop10h 53mFrontier
Deal found 5/9$174
Thu 9/57:29 pmSTL - SEA
1 stop17h 19mFrontier
Tue 9/107:51 pmSEA - STL
1 stop12h 27mFrontier
Deal found 5/8$175
Thu 9/197:29 pmSTL - SEA
1 stop17h 19mFrontier
Mon 9/2310:08 pmSEA - STL
1 stop11h 42mFrontier
Deal found 5/8$176
Wed 5/298:04 pmSTL - SEA
1 stop14h 26mFrontier
Sun 6/210:59 pmSEA - STL
1 stop9h 14mFrontier
Deal found 5/8$178
Sat 9/78:00 pmSTL - SEA
1 stop14h 37mFrontier
Sun 9/157:51 pmSEA - STL
1 stop12h 27mFrontier
Deal found 5/8$179
Sat 8/248:00 pmSTL - SEA
1 stop14h 37mFrontier
Mon 9/27:51 pmSEA - STL
1 stop12h 27mFrontier
Deal found 5/8$180

Cheap Alaska Airlines flights from St. Louis to Washington

Explore cheap flight options specifically provided by Alaska Airlines for the route between St. Louis and Washington. 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 2,717,708 searches. Data last updated May 9, 2024.
Take a gander at the lowest prices we've found on Alaska Airlines flights from St. Louis to Washington. Check back soon if you're not seeing flights that suit your needs.
Wed 5/297:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Tue 6/45:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 5/8$237
Thu 5/307:00 amSTL - SEA
Nonstop4h 14mAlaska Airlines
Sat 6/85:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 5/8$257
Fri 6/77:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Mon 6/105:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 5/9$277
Thu 5/302:36 pmSTL - SEA
Nonstop4h 13mAlaska Airlines
Wed 6/510:45 pmSEA - STL
1 stop8h 09mAlaska Airlines
Deal found 5/8$307
Wed 6/127:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Tue 6/186:10 pmSEA - STL
Nonstop3h 49mAlaska Airlines
Deal found 5/9$322
Sat 6/87:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Tue 6/1110:45 pmSEA - STL
1 stop8h 09mAlaska Airlines
Deal found 5/9$336
Mon 6/107:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Sat 6/156:10 pmSEA - STL
Nonstop3h 49mAlaska Airlines
Deal found 5/8$342
Tue 6/117:00 amSTL - SEA
Nonstop4h 14mAlaska Airlines
Mon 6/177:30 amSEA - STL
Nonstop3h 50mAlaska Airlines
Deal found 5/8$347
Fri 6/77:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Sat 6/86:02 amSEA - STL
1 stop8h 13mAlaska Airlines
Deal found 5/9$356

Cheap St. Louis to Washington flights in May & June 2024

Find cheap flight options from St. Louis to Washington specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Prices were last updated on May 9, 2024.
Check out some of the best flight deals from St. Louis to Washington in 2024. Check back regularly for other flight deals.
Wed 5/298:04 pmSTL - SEA
1 stop14h 26mMultiple Airlines
Tue 6/49:40 pmSEA - STL
1 stop13h 25mMultiple Airlines
Deal found 5/8$144
Fri 5/178:45 pmSTL - SEA
1 stop14h 37mMultiple Airlines
Tue 5/219:40 pmSEA - STL
1 stop11h 06mMultiple Airlines
Deal found 5/7$163
Wed 5/158:04 pmSTL - SEA
1 stop14h 26mFrontier
Mon 5/208:00 pmSEA - STL
1 stop12h 13mFrontier
Deal found 5/8$164
Wed 6/121:55 pmSTL - SEA
1 stop8h 14mSpirit Airlines
Tue 6/189:41 pmSEA - STL
1 stop13h 24mSpirit Airlines
Deal found 5/9$165
Wed 6/121:55 pmSTL - SEA
1 stop8h 14mSpirit Airlines
Tue 6/189:41 pmSEA - STL
1 stop13h 24mSpirit Airlines
Deal found 5/8$166
Fri 6/710:59 pmSTL - SEA
1 stop11h 10mFrontier
Mon 6/109:49 pmSEA - STL
1 stop10h 53mFrontier
Deal found 5/9$174
Thu 5/167:23 pmSTL - SEA
1 stop26h 41mFrontier
Mon 5/208:00 pmSEA - STL
1 stop23h 39mFrontier
Deal found 5/8$175
Wed 5/298:04 pmSTL - SEA
1 stop14h 26mFrontier
Sun 6/210:59 pmSEA - STL
1 stop9h 14mFrontier
Deal found 5/8$178
Mon 6/310:21 pmSTL - SEA
1 stop13h 34mFrontier
Sat 6/89:00 amSEA - STL
1 stop10h 43mFrontier
Deal found 5/8$180

St. Louis to Washington 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Washington in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
Check out some of the best flight deals from St. Louis to Washington in 2024. Check back regularly for other flight deals.
Wed 5/298:04 pmSTL - SEA
1 stop14h 26mMultiple Airlines
Tue 6/49:40 pmSEA - STL
1 stop13h 25mMultiple Airlines
Deal found 5/8$144
Fri 5/178:45 pmSTL - SEA
1 stop14h 37mMultiple Airlines
Tue 5/219:40 pmSEA - STL
1 stop11h 06mMultiple Airlines
Deal found 5/7$163
Wed 5/158:04 pmSTL - SEA
1 stop14h 26mFrontier
Mon 5/208:00 pmSEA - STL
1 stop12h 13mFrontier
Deal found 5/8$164
Wed 6/121:55 pmSTL - SEA
1 stop8h 14mSpirit Airlines
Tue 6/189:41 pmSEA - STL
1 stop13h 24mSpirit Airlines
Deal found 5/9$165
Wed 6/121:55 pmSTL - SEA
1 stop8h 14mSpirit Airlines
Tue 6/189:41 pmSEA - STL
1 stop13h 24mSpirit Airlines
Deal found 5/8$166
Thu 9/57:29 pmSTL - SEA
1 stop17h 19mFrontier
Mon 9/1610:08 pmSEA - STL
1 stop11h 42mFrontier
Deal found 5/7$169
Tue 9/1710:32 pmSTL - SEA
1 stop12h 05mFrontier
Wed 9/187:51 pmSEA - STL
1 stop12h 27mFrontier
Deal found 5/8$170
Fri 6/710:59 pmSTL - SEA
1 stop11h 10mFrontier
Mon 6/109:49 pmSEA - STL
1 stop10h 53mFrontier
Deal found 5/9$174
Thu 5/167:23 pmSTL - SEA
1 stop26h 41mFrontier
Mon 5/208:00 pmSEA - STL
1 stop23h 39mFrontier
Deal found 5/8$175

Non-stop flights to Washington from St. Louis

Discover non-stop flight options from St. Louis to Washington. 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 2,717,708 searches. Data last updated May 9, 2024.
To help reduce your travel time, choose from one of these non-stop flights from St. Louis to Washington. Users can also choose from other St. Louis to Washington flights by using the search form above.
Wed 5/297:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Tue 6/45:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 5/8$237
Thu 5/307:00 amSTL - SEA
Nonstop4h 14mAlaska Airlines
Sat 6/85:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 5/8$257
Fri 6/77:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Mon 6/105:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 5/9$277
Wed 6/57:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Wed 6/125:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 5/8$307
Wed 6/127:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Tue 6/186:10 pmSEA - STL
Nonstop3h 49mAlaska Airlines
Deal found 5/9$322
Mon 6/107:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Sat 6/156:10 pmSEA - STL
Nonstop3h 49mAlaska Airlines
Deal found 5/8$342
Tue 6/117:00 amSTL - SEA
Nonstop4h 14mAlaska Airlines
Mon 6/177:30 amSEA - STL
Nonstop3h 50mAlaska Airlines
Deal found 5/8$347
Sun 6/97:00 amSTL - SEA
Nonstop4h 14mAlaska Airlines
Sun 6/167:30 amSEA - STL
Nonstop3h 50mAlaska Airlines
Deal found 5/8$362
Mon 6/107:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Sat 6/157:30 amSEA - STL
Nonstop3h 50mAlaska Airlines
Deal found 5/8$367

St. Louis to Washington flights leaving soon

Find last-minute flight options from St. Louis to Washington 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 2,717,708 searches. Data last updated May 9, 2024.
Have a look at some of the flights available from St. Louis to Washington departing last-minute. It's wise to confirm all flight details are correct before booking.
Fri 5/178:45 pmSTL - SEA
1 stop14h 37mMultiple Airlines
Tue 5/219:40 pmSEA - STL
1 stop11h 06mMultiple Airlines
Deal found 5/7$163
Wed 5/158:04 pmSTL - SEA
1 stop14h 26mFrontier
Mon 5/208:00 pmSEA - STL
1 stop12h 13mFrontier
Deal found 5/8$164
Thu 5/167:23 pmSTL - SEA
1 stop26h 41mFrontier
Mon 5/208:00 pmSEA - STL
1 stop23h 39mFrontier
Deal found 5/8$175
Fri 5/178:45 pmSTL - SEA
1 stop14h 37mFrontier
Tue 5/288:14 pmSEA - STL
1 stop11h 22mFrontier
Deal found 5/7$200
Sat 5/188:04 pmSTL - SEA
1 stop13h 00mFrontier
Sun 5/269:39 pmSEA - STL
1 stop9h 57mFrontier
Deal found 5/8$226
Sun 5/1911:22 pmSTL - SEA
1 stop11h 18mFrontier
Sun 5/2610:59 pmSEA - STL
1 stop9h 14mFrontier
Deal found 5/8$236
Sat 5/188:04 pmSTL - SEA
2 stops19h 21mFrontier
Sun 5/2610:59 pmSEA - STL
1 stop9h 14mFrontier
Deal found 5/8$241
Fri 5/176:50 pmSTL - SEA
1 stop7h 09mDelta
Mon 5/2012:40 amSEA - STL
1 stop8h 30mDelta
Deal found 5/7$261
Fri 5/1710:21 pmSTL - SEA
1 stop11h 49mMultiple Airlines
Tue 5/285:59 pmSEA - STL
Nonstop4h 00mMultiple Airlines
Deal found 5/7$268

One-way flights to Washington from St. Louis

Search for one-way flight options from St. Louis to Washington. 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 2,717,708 searches. Data last updated May 9, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Washington, be sure to check out these deals, which are updated often. Users can also find round-trip St. Louis to Washington flights by using the search form above.
Wed 6/121:55 pmSTL - SEA
1 stop8h 14mSpirit Airlines
Deal found 5/8$82
Mon 6/34:05 pmSTL - SEA
1 stop18h 40mSpirit Airlines
Deal found 5/8$85
Wed 6/191:55 pmSTL - SEA
1 stop8h 14mSpirit Airlines
Deal found 5/8$87
Wed 5/158:04 pmSTL - SEA
1 stop14h 26mFrontier
Deal found 5/7$88
Tue 9/310:32 pmSTL - SEA
1 stop12h 05mFrontier
Deal found 5/7$91
Tue 5/2810:44 pmSTL - SEA
1 stop10h 50mFrontier
Deal found 5/8$93
Wed 7/103:07 pmSTL - SEA
1 stop7h 16mSpirit Airlines
Deal found 5/8$94
Wed 9/47:29 pmSTL - SEA
1 stop25h 32mFrontier
Deal found 5/8$95
Sat 9/218:00 pmSTL - SEA
1 stop14h 37mFrontier
Deal found 5/8$96

Find flights from St. Louis to Washington within your budget

Customize your flight search to find flights from St. Louis to Washington 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 2,717,708 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$144 - $245

Route

Depart

Return

Price

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Wed 5/29

1 stop14h 26m

Seattle/Tacoma Intl

Tue 6/4

1 stop13h 25m

$144

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Wed 6/12

1 stop8h 14m

Seattle/Tacoma Intl

Tue 6/18

1 stop13h 24m

$165

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Wed 6/12

1 stop8h 14m

Seattle/Tacoma Intl

Tue 6/18

1 stop13h 24m

$166

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Thu 9/5

1 stop17h 19m

Seattle/Tacoma Intl

Mon 9/16

1 stop11h 42m

$169

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Tue 9/17

1 stop12h 05m

Seattle/Tacoma Intl

Wed 9/18

1 stop12h 27m

$170

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Fri 6/7

1 stop11h 10m

Seattle/Tacoma Intl

Mon 6/10

1 stop10h 53m

$174

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Mon 9/16

1 stop7h 00m

Seattle/Tacoma Intl

Fri 9/20

1 stop7h 20m

$221

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Wed 5/29

Nonstop4h 19m

Seattle/Tacoma Intl

Tue 6/4

Nonstop4h 01m

$237

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Wed 5/29

1 stop13h 25m

Seattle/Tacoma Intl

Mon 6/3

1 stop7h 22m

$245

Flights are sorted by cheapest first

Deals found on 5/8

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated May 9, 2024.
Get a feel of what it's like to fly with Frontier, Alaska Airlines and American Airlines from St. Louis to Washington by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,072 reviews
Check prices

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Southwest
8.2
Very good
6,072 reviews
Southwest
8.2
Very good
6,072 reviews
Check prices

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Alaska Airlines
8.1
Very good
9,142 reviews
Southwest
8.2
Very good
6,072 reviews
Check prices

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Delta
8.0
Very good
10,778 reviews
Southwest
8.2
Very good
6,072 reviews
Check prices

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

United Airlines
7.4
Good
11,027 reviews
Southwest
8.2
Very good
6,072 reviews
Check prices

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

American Airlines
7.3
Good
14,665 reviews
Southwest
8.2
Very good
6,072 reviews
Check prices

Comfort

8.1

Food

7.3

Entertainment

7.8

Crew

8.7

Boarding

8.3

Overall

8.2

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Washington. 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 from for flights from St. Louis to Washington?

    For a flight from St. Louis to Washington, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • Can I find flights from St. Louis to State of Washington for under $200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to State of Washington for under $200. The cheapest flight booked recently is on Multiple Airlines for just $144, but on average you can expect to pay $177.

  • Are there nonstop flights from St. Louis to State of Washington for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to State of Washington under $300. A good price for a nonstop flight from St. Louis to State of Washington is less than $375.

  • Are there last-minute flights available from St. Louis to State of Washington for under $200?

    There are currently 20+ open flights from St. Louis to State of Washington within the next 7 days for less than $200.

  • What days are nonstop flights available from St. Louis to State of Washington?

    Days when nonstop flights are available for this flight are: Monday, Tuesday, Friday.

  • How popular is this St. Louis to State of Washington flight route?

    The Lambert-St Louis to Washington flight path was viewed by 58 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How many flights depart from St. Louis to State of Washington on average per day?

    15 flight departures from St. Louis to State of Washington per day on average.
    Morning (6am - Noon) - 73% of flight departures
    Afternoon (Noon - 6pm) - 27% of flight departures

  • How long is the flight from St. Louis to State of Washington?

    Spirit Airlines and Frontier can get you from St. Louis to State of Washington in just under 8h 14m. Your travel time can differ by up to 9h 05m. St. Louis and State of Washington are separated by a distance of 1714 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from St. Louis to State of Washington one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $82. Frontier flights start at $88 while deals on American Airlines start at $99 one-way.

  • What are the most popular routes from St. Louis to State of Washington?

    When deciding which route to take from St. Louis to State of Washington consider Lambert-St Louis - Seattle/Tacoma Intl, Lambert-St Louis - Spokane or Lambert-St Louis - Pasco Tri Cities as they are the most popular.

  • What are the most popular airlines that fly from St. Louis to State of Washington?

    When booking a flight from St. Louis to State of Washington, you may want to consider flying on Undisclosed Carrier, American Airlines or Alaska Airlines as they are the most popular for this route.

  • What are the most reliable airlines from St. Louis to State of Washington?

    The top 3 most reliable airlines when flying from St. Louis to State of Washington are Qatar Airways (93%), Japan Airlines (93%) and American Airlines (89%).

  • What are the cheapest flights from St. Louis to State of Washington?

    Looking for the cheapest flight from St. Louis to State of Washington? While on average our users pay $916, our data indicates the cheapest price to be $168. The most popular route (Lambert-St Louis - Seattle/Tacoma Intl), is priced around $162.

  • What does STL to SEA mean?

    STL stands for Lambert-St Louis Airport, while SEA stands for Seattle/Tacoma Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Spokane Airport (GEG), Pasco Tri Cities Airport (PSC), Bellingham Airport (BLI), Everett Paine Field Airport (PAE), Seattle Lake Union Spb Airport (LKE).

  • Can I find deals for flights from St. Louis to Washington that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Washington 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 St. Louis to Washington with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Washington 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 St. Louis to Washington that include hotel bookings?

    Yes. In addition to deals on St. Louis to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Washington?

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

  • Can I find deals for business class flights from St. Louis to Washington?

    Yes. Cheapflights offers flight deals from St. Louis to Washington 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 St. Louis to Washington that allow pets onboard?

    Many airlines flying from St. Louis to Washington 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 St. Louis to Washington?

    Yes, you can often find last-minute deals on St. Louis to Washington 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 St. Louis to State of Washington flight deals updated?

    The St. Louis to State of Washington flight deals you see on this page were last updated on 5/9.

See more FAQs

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Top 7 airlines flying from St. Louis to Washington

Discover the top 7 airlines that operate flights from St. Louis to Washington. 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 2,717,708 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$152Average$232FlexibilityNo cancel feeOn-time62%
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Spirit AirlinesCheapest$161Average$306FlexibilityNo cancel feeOn-time65%
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DeltaCheapest$161Average$391FlexibilityNo cancel feeOn-timeN/A
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Alaska AirlinesCheapest$168Average$462FlexibilityNo cancel feeOn-time75%
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Sun Country AirCheapest$169Average$384FlexibilityNo cancel feeOn-time83%
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American AirlinesCheapest$176Average$458FlexibilityNo cancel feeOn-time71%
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United AirlinesCheapest$178Average$516FlexibilityNo cancel feeOn-time69%
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Search flights from St. Louis to Washington by cabin class

Find flights from St. Louis to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from St. Louis to Washington

Find hourly flight availability from St. Louis to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 9, 2024.
0%of flight departuresEarly morningMidnight to 6 am
55%of flight departuresMorning6 am to noon
45%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
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6 AM
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6 PM

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How does Cheapflights help users find flights from St. Louis to Washington?

When you search for this flight from St. Louis to Washington, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Washington?

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Certainly. Search results for flights to Washington from St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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