HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from St. Louis (STL) to Washington from $59

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
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 $278 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 $419 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 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 2,740,132 searches. Data last updated May 28, 2024.
Check out some of the cheapest Alaska Airlines flights we've come across from St. Louis to Washington. It's recommended that users confirm their flight details before booking.
Tue 8/207:00 amSTL - SEA
Nonstop4h 26mAlaska Airlines
Tue 8/277:37 amSEA - STL
Nonstop3h 56mAlaska Airlines
Deal found 5/28$277
Fri 9/67:31 pmSTL - SEA
Nonstop4h 24mAlaska Airlines
Fri 9/136:08 pmSEA - STL
Nonstop3h 51mAlaska Airlines
Deal found 5/27$297
Wed 6/197:32 pmSTL - SEA
Nonstop4h 28mAlaska Airlines
Wed 6/2612:41 pmSEA - STL
Nonstop3h 51mAlaska Airlines
Deal found 5/28$307
Tue 8/207:00 amSTL - SEA
Nonstop4h 26mAlaska Airlines
Sun 8/257:37 amSEA - STL
Nonstop3h 56mAlaska Airlines
Deal found 5/27$317
Wed 6/267:32 pmSTL - SEA
Nonstop4h 28mAlaska Airlines
Wed 7/312:41 pmSEA - STL
Nonstop3h 51mAlaska Airlines
Deal found 5/27$322
Thu 6/207:32 pmSTL - SEA
Nonstop4h 28mAlaska Airlines
Wed 6/267:30 amSEA - STL
Nonstop3h 50mAlaska Airlines
Deal found 5/28$327
Tue 7/27:32 pmSTL - GEG
1 stop6h 26mAlaska Airlines
Tue 7/91:35 pmGEG - STL
1 stop8h 24mAlaska Airlines
Deal found 5/26$420
Tue 6/47:00 amSTL - SEA
Nonstop4h 14mAlaska Airlines
Tue 6/117:37 amSEA - STL
Nonstop3h 59mAlaska Airlines
Deal found 5/28$457
Thu 6/207:32 pmSTL - GEG
1 stop6h 26mAlaska Airlines
Mon 7/18:49 pmGEG - STL
2 stops11h 51mAlaska Airlines
Deal found 5/27$503

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 2,740,132 searches. Data last updated May 28, 2024.
Take a gander at the lowest prices we've found on Frontier flights from St. Louis to Washington. Check back soon if you're not seeing flights that suit your needs.
Mon 6/310:21 pmSTL - SEA
1 stop13h 34mFrontier
Sun 6/910:58 pmSEA - STL
1 stop9h 44mFrontier
Deal found 5/27$180
Thu 9/127:29 pmSTL - PDX
1 stop22h 25mFrontier
Mon 9/164:30 pmPDX - STL
1 stop15h 48mFrontier
Deal found 5/27$181
Wed 6/58:02 pmSTL - PDX
1 stop13h 48mFrontier
Fri 6/712:49 amPDX - STL
1 stop6h 40mFrontier
Deal found 5/27$185
Thu 6/67:29 pmSTL - SEA
1 stop27h 27mFrontier
Sun 6/910:58 pmSEA - STL
1 stop9h 44mFrontier
Deal found 5/27$189
Sat 6/88:02 pmSTL - SEA
1 stop15h 08mFrontier
Tue 6/118:12 pmSEA - STL
1 stop11h 17mFrontier
Deal found 5/27$190
Mon 8/197:29 pmSTL - SEA
1 stop25h 32mFrontier
Mon 8/2610:08 pmSEA - STL
1 stop11h 42mFrontier
Deal found 5/27$191
Tue 8/207:29 pmSTL - SEA
1 stop17h 19mFrontier
Mon 8/267:51 pmSEA - STL
1 stop12h 27mFrontier
Deal found 5/27$192
Mon 8/197:29 pmSTL - SEA
1 stop25h 32mFrontier
Fri 8/237:51 pmSEA - STL
1 stop12h 27mFrontier
Deal found 5/27$194
Mon 6/310:21 pmSTL - SEA
1 stop13h 34mFrontier
Tue 6/111:47 pmSEA - STL
2 stops18h 55mFrontier
Deal found 5/27$195

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 2,740,132 searches. Prices were last updated on May 28, 2024.
Check out some of the best flight deals from St. Louis to Washington in 2024. Check back regularly for other flight deals.
Wed 6/261:55 pmSTL - SEA
1 stop8h 14mSpirit Airlines
Tue 7/99:41 pmSEA - STL
1 stop15h 25mSpirit Airlines
Deal found 5/28$175
Sat 6/18:04 pmSTL - PDX
1 stop15h 07mFrontier
Tue 6/119:03 pmPDX - STL
1 stop11h 39mFrontier
Deal found 5/28$179
Wed 5/298:04 pmSTL - PDX
1 stop12h 44mFrontier
Mon 6/312:35 amPDX - STL
1 stop10h 34mFrontier
Deal found 5/26$180
Mon 6/310:21 pmSTL - SEA
1 stop13h 34mFrontier
Sun 6/910:58 pmSEA - STL
1 stop9h 44mFrontier
Deal found 5/27$180
Sat 6/18:04 pmSTL - PDX
1 stop15h 07mFrontier
Tue 6/115:41 pmPDX - STL
2 stops15h 01mFrontier
Deal found 5/28$184
Wed 6/58:02 pmSTL - PDX
1 stop13h 48mFrontier
Fri 6/712:49 amPDX - STL
1 stop6h 40mFrontier
Deal found 5/27$185
Sat 6/18:04 pmSTL - SEA
2 stops19h 23mMultiple Airlines
Thu 6/69:32 pmSEA - STL
1 stop14h 44mMultiple Airlines
Deal found 5/27$186
Wed 6/261:55 pmSTL - PDX
1 stop12h 13mMultiple Airlines
Thu 7/412:56 amPDX - STL
1 stop6h 29mMultiple Airlines
Deal found 5/28$189
Thu 6/67:29 pmSTL - SEA
1 stop27h 27mFrontier
Sun 6/910:58 pmSEA - STL
1 stop9h 44mFrontier
Deal found 5/27$189

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 2,740,132 searches. Data last updated May 28, 2024.
Check out some of the best flight deals from St. Louis to Washington in 2024. Check back regularly for other flight deals.
Tue 9/108:00 amSTL - SEA
1 stop14h 21mSpirit Airlines
Mon 9/169:12 pmSEA - STL
1 stop16h 29mSpirit Airlines
Deal found 5/27$131
Tue 8/208:00 amSTL - SEA
1 stop14h 21mSpirit Airlines
Tue 8/279:12 pmSEA - STL
1 stop11h 34mSpirit Airlines
Deal found 5/27$136
Mon 8/197:29 pmSTL - SEA
1 stop25h 32mMultiple Airlines
Tue 8/279:12 pmSEA - STL
1 stop11h 34mMultiple Airlines
Deal found 5/27$142
Tue 8/208:00 amSTL - SEA
2 stops10h 08mSpirit Airlines
Tue 8/279:12 pmSEA - STL
1 stop11h 34mSpirit Airlines
Deal found 5/27$148
Tue 9/1010:34 amSTL - SEA
2 stops28h 11mSpirit Airlines
Mon 9/165:00 pmSEA - STL
2 stops20h 41mSpirit Airlines
Deal found 5/27$156
Tue 8/278:00 amSTL - SEA
1 stop26h 45mMultiple Airlines
Sat 8/317:51 pmSEA - STL
1 stop12h 27mMultiple Airlines
Deal found 5/28$157
Sat 9/148:00 amSTL - SEA
1 stop26h 45mSpirit Airlines
Mon 9/239:38 amSEA - STL
1 stop28h 03mSpirit Airlines
Deal found 5/28$170
Thu 9/127:29 pmSTL - PDX
1 stop22h 25mMultiple Airlines
Tue 9/175:23 amPDX - STL
1 stop8h 18mMultiple Airlines
Deal found 5/26$175
Wed 6/261:55 pmSTL - SEA
1 stop8h 14mSpirit Airlines
Tue 7/99:41 pmSEA - STL
1 stop15h 25mSpirit Airlines
Deal found 5/28$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 2,740,132 searches. Data last updated May 28, 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.
Tue 8/207:00 amSTL - SEA
Nonstop4h 26mAlaska Airlines
Tue 8/277:37 amSEA - STL
Nonstop3h 56mAlaska Airlines
Deal found 5/28$277
Fri 9/67:31 pmSTL - SEA
Nonstop4h 24mAlaska Airlines
Fri 9/136:08 pmSEA - STL
Nonstop3h 51mAlaska Airlines
Deal found 5/27$297
Wed 6/197:32 pmSTL - SEA
Nonstop4h 28mAlaska Airlines
Wed 6/2612:41 pmSEA - STL
Nonstop3h 51mAlaska Airlines
Deal found 5/28$307
Tue 8/207:00 amSTL - SEA
Nonstop4h 26mAlaska Airlines
Mon 8/266:08 pmSEA - STL
Nonstop3h 51mAlaska Airlines
Deal found 5/27$317
Wed 6/267:32 pmSTL - SEA
Nonstop4h 28mAlaska Airlines
Wed 7/312:41 pmSEA - STL
Nonstop3h 51mAlaska Airlines
Deal found 5/27$322
Thu 6/207:32 pmSTL - SEA
Nonstop4h 28mAlaska Airlines
Wed 6/267:30 amSEA - STL
Nonstop3h 50mAlaska Airlines
Deal found 5/28$327
Thu 6/207:32 pmSTL - SEA
Nonstop4h 28mAlaska Airlines
Sat 6/226:10 pmSEA - STL
Nonstop3h 49mAlaska Airlines
Deal found 5/28$347
Fri 8/167:32 pmSTL - SEA
Nonstop4h 28mAlaska Airlines
Tue 8/207:37 amSEA - STL
Nonstop3h 56mAlaska Airlines
Deal found 5/28$362
Fri 6/217:32 pmSTL - SEA
Nonstop4h 28mAlaska Airlines
Sun 6/307:30 amSEA - STL
Nonstop3h 50mAlaska Airlines
Deal found 5/28$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 2,740,132 searches. Data last updated May 28, 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.
Mon 6/310:21 pmSTL - SEA
1 stop13h 34mFrontier
Sun 6/910:58 pmSEA - STL
1 stop9h 44mFrontier
Deal found 5/27$180
Wed 6/58:02 pmSTL - PDX
1 stop13h 48mFrontier
Fri 6/712:49 amPDX - STL
1 stop6h 40mFrontier
Deal found 5/27$185
Thu 6/67:29 pmSTL - SEA
1 stop27h 27mFrontier
Sun 6/910:58 pmSEA - STL
1 stop9h 44mFrontier
Deal found 5/27$189
Mon 6/38:04 pmSTL - SEA
2 stops18h 53mFrontier
Sun 6/910:58 pmSEA - STL
1 stop9h 44mFrontier
Deal found 5/27$191
Thu 6/67:29 pmSTL - SEA
1 stop27h 27mFrontier
Tue 6/118:12 pmSEA - STL
1 stop11h 17mFrontier
Deal found 5/27$192
Mon 6/310:21 pmSTL - SEA
1 stop13h 34mFrontier
Tue 6/111:47 pmSEA - STL
2 stops18h 55mFrontier
Deal found 5/27$195
Thu 6/67:29 pmSTL - SEA
1 stop27h 27mFrontier
Tue 6/111:47 pmSEA - STL
2 stops18h 55mFrontier
Deal found 5/27$197
Mon 6/34:05 pmSTL - PDX
1 stop21h 00mSpirit Airlines
Thu 6/610:16 pmPDX - STL
1 stop14h 00mSpirit Airlines
Deal found 5/27$198
Mon 6/38:04 pmSTL - SEA
2 stops18h 53mFrontier
Fri 6/73:34 pmSEA - STL
1 stop15h 55mFrontier
Deal found 5/27$198

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 2,740,132 searches. Data last updated May 28, 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 - PDX
1 stop12h 13mSpirit Airlines
Deal found 5/28$59
Wed 8/74:02 pmSTL - PDX
1 stop9h 39mSpirit Airlines
Deal found 5/27$73
Mon 6/102:41 pmSTL - PDX
1 stop22h 27mSpirit Airlines
Deal found 5/27$78
Wed 6/191:55 pmSTL - SEA
1 stop8h 14mSpirit Airlines
Deal found 5/27$85
Wed 8/74:02 pmSTL - SEA
1 stop9h 52mSpirit Airlines
Deal found 5/26$88
Sat 9/288:00 amSTL - SEA
1 stop7h 58mSpirit Airlines
Deal found 5/28$90
Mon 6/102:41 pmSTL - PDX
2 stops23h 23mSpirit Airlines
Deal found 5/27$91
Mon 6/310:21 pmSTL - SEA
1 stop13h 34mFrontier
Deal found 5/27$95
Sat 6/159:50 pmSTL - PDX
1 stop12h 42mFrontier
Deal found 5/27$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 2,740,132 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$131 - $311

Route

Depart

Return

Price

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Tue 9/10

1 stop14h 21m

Seattle/Tacoma Intl

Mon 9/16

1 stop16h 29m

$131

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Tue 8/20

1 stop14h 21m

Seattle/Tacoma Intl

Tue 8/27

1 stop11h 34m

$136

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Mon 8/19

1 stop25h 32m

Seattle/Tacoma Intl

Tue 8/27

1 stop11h 34m

$142

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Wed 8/28

1 stop10h 45m

Seattle/Tacoma Intl

Sat 8/31

1 stop12h 27m

$157

Lambert-St LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 9/13

1 stop12h 25m

Portland

Mon 9/16

1 stop9h 02m

$180

Lambert-St LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 11/9

1 stop7h 18m

Portland

Sat 11/16

1 stop6h 21m

$196

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Sat 8/17

1 stop6h 33m

Seattle/Tacoma Intl

Fri 8/23

1 stop7h 58m

$221

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Tue 8/20

Nonstop4h 26m

Seattle/Tacoma Intl

Tue 8/27

Nonstop3h 56m

$277

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Tue 8/20

1 stop8h 04m

Seattle/Tacoma Intl

Tue 8/27

2 stops9h 43m

$311

Flights are sorted by cheapest first

Deals found on 5/27

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

Best time to book a flight from St. Louis to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 28, 2024.
Get a feel of what it's like to fly with Alaska Airlines, Frontier and Spirit 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.
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Alaska Airlines
8.1
Very good
9,194 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Delta
8.0
Very good
10,476 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

United Airlines
7.4
Good
10,799 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

American Airlines
7.3
Good
14,316 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Sun Country Air
7.2
Good
597 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Overall

8.1

Boarding

8.2

Food

7.3

Entertainment

7.3

Comfort

7.9

Crew

8.6

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

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 Spirit Airlines for just $131, but on average you can expect to pay $164.

  • 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 $384.

  • 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: Thursday, Friday, Saturday.

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

    The Lambert-St Louis to Washington flight path was viewed by 59 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?

    9 flight departures from St. Louis to State of Washington per day on average.
    Morning (6am - Noon) - 78% of flight departures
    Evening (6pm - Midnight) - 22% 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 12h 25m. Your travel time can differ by up to 1h 56m. 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 $59. Frontier flights start at $95 while deals on American Airlines start at $112 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 - Portland or Lambert-St Louis - Spokane as they are the most popular.

  • 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 $961, our data indicates the cheapest price to be $141. The most popular route (Lambert-St Louis - Seattle/Tacoma Intl), is priced around $131.

  • 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 5/28.

  • 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.

  • When is the best time to book a flight from St. Louis to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to State of Washington (average of $247). Flying from St. Louis to State of Washington in July is currently the most expensive (average of $406). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Washington
See prices for flight routes from nearby airports that may be better suited for you.

Kansas City to Seattle flights
St. Louis to Seattle flights
Kansas City to LaGuardia flights
St. Louis to Las Vegas flights
Kansas City to John F Kennedy Intl flights
St. Louis to LaGuardia flights
Kansas City to Newark flights
Kansas City to Orlando flights
Kansas City to Las Vegas flights
Kansas City to Denver flights
St. Louis to Miami flights
St. Louis to Denver flights
Kansas City to Los Angeles flights
Kansas City to Boston flights
St. Louis to Los Angeles flights
St. Louis to Newark flights
Kansas City to Atlanta flights
St. Louis to Dallas/Fort Worth flights
St. Louis to John F Kennedy Intl flights
Kansas City to Miami flights
St. Louis to Boston flights
Kansas City to O'Hare Intl flights
Kansas City to Salt Lake City flights
St. Louis to Atlanta flights
St. Louis to Orlando flights
Kansas City to Hobby flights
Kansas City to Honolulu flights
Kansas City to Philadelphia flights
St. Louis to Hobby flights
Kansas City to Reagan-National flights
Kansas City to San Francisco flights
St. Louis to Reagan-National flights
St. Louis to Philadelphia flights
St. Louis to O'Hare Intl flights
Kansas City to Dulles Intl flights
Kansas City to Fort Lauderdale flights
Kansas City to George Bush Intcntl flights
Kansas City to San Diego flights
St. Louis to San Francisco flights
Kansas City to Dallas/Fort Worth flights
Kansas City to Minneapolis flights
St. Louis to Sky Harbor Intl flights
St. Louis to Dulles Intl flights
Kansas City to Midway flights
St. Louis to Fort Lauderdale flights
St. Louis to George Bush Intcntl flights
St. Louis to Portland flights
Kansas City to Portland flights
Springfield to Seattle flights
Kansas City to Baltimore flights

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 2,740,132 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$132Average$279FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$152Average$225FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$157Average$378FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Sun Country AirCheapest$169Average$384FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights
Alaska AirlinesCheapest$170Average$449FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$174Average$528FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$176Average$442FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Orlando to Austin flights
Sacramento to Seattle flights
Fort Lauderdale to Dallas flights
Cincinnati to Denver flights
Pittsburgh to New York flights
Seattle to Chicago flights
USA to Fiji flights
Philadelphia to Las Vegas flights
New York to London flights
Chicago to Tampa flights
Detroit to Cancún flights
St. Louis to Wisconsin flights

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.
First Class
Business Class
Prem Econ Class
Economy Class

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 28, 2024.
1%of flight departuresEarly morningMidnight to 6 am
48%of flight departuresMorning6 am to noon
27%of flight departuresAfternoonNoon to 6 pm
24%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

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 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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from St. Louis to Washington for you. Better yet — we are completely free to use.

Can Cheapflights find flights from St. Louis to Washington with no change fees?

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.

Can Cheapflights notify me if prices for flights from St. Louis to Washington become cheaper?

Yes! Start tracking prices for St. Louis to Washington flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines