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Cheap flights from St. Louis (STL) to Washington from $69

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 5/8. 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
Apr 30 — May 71
From?
To?
Tue 4/30
Tue 5/7
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 10 days early can save you up to 111% on average compared to booking a flight this week. If booking 10 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 $268 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 $568 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 November, with the cheapest ticket starting at $115.

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 3,068,701 searches. Data last updated April 25, 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.
Fri 6/77:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Sat 6/85:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 4/24$257
Sat 6/87:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Mon 6/107:37 amSEA - STL
Nonstop3h 59mAlaska Airlines
Deal found 4/24$277
Thu 5/307:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Mon 6/35:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 4/23$297
Sat 6/17:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Wed 6/57:37 amSEA - STL
Nonstop3h 59mAlaska Airlines
Deal found 4/23$307
Sun 5/127:00 amSTL - SEA
Nonstop4h 20mAlaska Airlines
Sat 5/187:37 amSEA - STL
Nonstop3h 59mAlaska Airlines
Deal found 4/24$317
Sun 5/127:00 amSTL - SEA
Nonstop4h 20mAlaska Airlines
Fri 5/175:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 4/24$337
Fri 5/247:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Tue 5/285:59 pmSEA - STL
Nonstop4h 00mAlaska Airlines
Deal found 4/25$342
Fri 8/307:31 pmSTL - GEG
1 stop6h 25mAlaska Airlines
Tue 9/35:00 amGEG - STL
1 stop6h 33mAlaska Airlines
Deal found 4/24$356
Fri 5/247:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Fri 5/315:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 4/24$362

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 3,068,701 searches. Data last updated April 25, 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.
Wed 5/87:51 pmSTL - SEA
1 stop22h 40mFrontier
Mon 5/139:55 amSEA - STL
1 stop9h 08mFrontier
Deal found 4/24$115
Thu 5/910:59 pmSTL - SEA
1 stop22h 31mFrontier
Mon 5/139:00 pmSEA - STL
1 stop22h 59mFrontier
Deal found 4/24$117
Fri 5/1010:17 pmSTL - SEA
1 stop13h 03mFrontier
Mon 5/139:00 pmSEA - STL
1 stop22h 59mFrontier
Deal found 4/24$127
Mon 5/69:53 pmSTL - SEA
1 stop13h 51mFrontier
Wed 5/89:55 amSEA - STL
1 stop8h 44mFrontier
Deal found 4/23$128
Thu 5/167:23 pmSTL - SEA
1 stop26h 41mFrontier
Sun 5/198:04 amSEA - STL
1 stop12h 28mFrontier
Deal found 4/24$129
Thu 5/910:59 pmSTL - SEA
1 stop22h 31mFrontier
Tue 5/149:35 pmSEA - STL
1 stop10h 12mFrontier
Deal found 4/24$135
Fri 5/1010:17 pmSTL - SEA
1 stop13h 03mFrontier
Sun 5/198:04 amSEA - STL
1 stop12h 28mFrontier
Deal found 4/24$137
Fri 5/178:45 pmSTL - SEA
1 stop14h 37mFrontier
Tue 5/218:14 pmSEA - STL
1 stop11h 22mFrontier
Deal found 4/23$142
Mon 5/139:53 pmSTL - SEA
1 stop13h 51mFrontier
Mon 5/208:00 pmSEA - STL
1 stop12h 13mFrontier
Deal found 4/24$144

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

Find cheap flight options from St. Louis to Washington specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,701 searches. Prices were last updated on April 25, 2024.
Check out some of the best flight deals from St. Louis to Washington in 2024. Check back regularly for other flight deals.
Wed 5/87:51 pmSTL - SEA
1 stop22h 40mFrontier
Mon 5/139:55 amSEA - STL
1 stop9h 08mFrontier
Deal found 4/24$115
Wed 5/87:51 pmSTL - SEA
1 stop22h 40mFrontier
Mon 5/139:00 pmSEA - STL
1 stop11h 09mFrontier
Deal found 4/24$117
Fri 5/1010:17 pmSTL - SEA
1 stop13h 03mFrontier
Mon 5/139:00 pmSEA - STL
1 stop22h 59mFrontier
Deal found 4/24$127
Mon 5/69:53 pmSTL - SEA
1 stop13h 51mFrontier
Wed 5/89:55 amSEA - STL
1 stop8h 44mFrontier
Deal found 4/23$128
Thu 5/167:23 pmSTL - SEA
1 stop26h 41mFrontier
Sun 5/198:04 amSEA - STL
1 stop12h 28mFrontier
Deal found 4/24$129
Thu 5/910:59 pmSTL - SEA
1 stop22h 31mFrontier
Tue 5/149:35 pmSEA - STL
1 stop10h 12mFrontier
Deal found 4/24$135
Fri 5/1010:17 pmSTL - SEA
1 stop13h 03mFrontier
Sun 5/198:04 amSEA - STL
1 stop12h 28mFrontier
Deal found 4/24$137
Fri 5/178:45 pmSTL - SEA
1 stop14h 37mFrontier
Tue 5/218:14 pmSEA - STL
1 stop11h 22mFrontier
Deal found 4/23$142
Mon 5/139:53 pmSTL - SEA
1 stop13h 51mFrontier
Mon 5/208:00 pmSEA - STL
1 stop12h 13mFrontier
Deal found 4/24$144

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 3,068,701 searches. Data last updated April 25, 2024.
Check out some of the best flight deals from St. Louis to Washington in 2024. Check back regularly for other flight deals.
Wed 5/87:51 pmSTL - SEA
1 stop22h 40mFrontier
Mon 5/139:55 amSEA - STL
1 stop9h 08mFrontier
Deal found 4/24$115
Wed 5/87:51 pmSTL - SEA
1 stop22h 40mFrontier
Mon 5/139:00 pmSEA - STL
1 stop11h 09mFrontier
Deal found 4/24$117
Fri 5/1010:17 pmSTL - SEA
1 stop13h 03mFrontier
Mon 5/139:00 pmSEA - STL
1 stop22h 59mFrontier
Deal found 4/24$127
Mon 5/69:53 pmSTL - SEA
1 stop13h 51mFrontier
Wed 5/89:55 amSEA - STL
1 stop8h 44mFrontier
Deal found 4/23$128
Thu 5/167:23 pmSTL - SEA
1 stop26h 41mFrontier
Sun 5/198:04 amSEA - STL
1 stop12h 28mFrontier
Deal found 4/24$129
Thu 5/910:59 pmSTL - SEA
1 stop22h 31mFrontier
Tue 5/149:35 pmSEA - STL
1 stop10h 12mFrontier
Deal found 4/24$135
Fri 5/1010:17 pmSTL - SEA
1 stop13h 03mFrontier
Sun 5/198:04 amSEA - STL
1 stop12h 28mFrontier
Deal found 4/24$137
Fri 5/178:45 pmSTL - SEA
1 stop14h 37mFrontier
Tue 5/218:14 pmSEA - STL
1 stop11h 22mFrontier
Deal found 4/23$142
Mon 5/139:53 pmSTL - SEA
1 stop13h 51mFrontier
Mon 5/208:00 pmSEA - STL
1 stop12h 13mFrontier
Deal found 4/24$144

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 3,068,701 searches. Data last updated April 25, 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 5/287:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Sat 6/17:37 amSEA - STL
Nonstop3h 59mAlaska Airlines
Deal found 4/24$237
Mon 6/107:41 pmSTL - SEA
Nonstop4h 19mUndisclosed Carrier
Wed 6/125:58 pmSEA - STL
Nonstop4h 01mUndisclosed Carrier
Deal found 4/24$252
Fri 6/77:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Sat 6/85:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 4/24$257
Sat 6/87:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Mon 6/107:37 amSEA - STL
Nonstop3h 59mAlaska Airlines
Deal found 4/24$277
Wed 5/227:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Sun 5/2612:43 pmSEA - STL
Nonstop3h 58mAlaska Airlines
Deal found 4/24$297
Sat 6/17:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Tue 6/117:37 amSEA - STL
Nonstop3h 59mAlaska Airlines
Deal found 4/24$307
Sun 5/127:00 amSTL - SEA
Nonstop4h 20mAlaska Airlines
Sat 5/187:37 amSEA - STL
Nonstop3h 59mAlaska Airlines
Deal found 4/24$317
Fri 5/317:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Mon 6/35:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 4/23$327
Sun 5/127:00 amSTL - SEA
Nonstop4h 20mAlaska Airlines
Fri 5/175:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Deal found 4/24$337

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 3,068,701 searches. Data last updated April 25, 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.
Wed 5/17:51 pmSTL - SEA
1 stop22h 40mFrontier
Wed 5/89:55 amSEA - STL
1 stop8h 44mFrontier
Deal found 4/24$149
Thu 5/210:59 pmSTL - SEA
1 stop22h 31mFrontier
Mon 5/69:00 pmSEA - STL
1 stop11h 18mFrontier
Deal found 4/24$189
Fri 5/310:17 pmSTL - SEA
1 stop13h 03mFrontier
Mon 5/69:00 pmSEA - STL
1 stop11h 18mFrontier
Deal found 4/24$202
Sun 5/53:29 pmSTL - SEA
1 stop17h 51mFrontier
Wed 5/89:55 amSEA - STL
1 stop8h 44mFrontier
Deal found 4/23$208
Thu 5/210:59 pmSTL - SEA
1 stop22h 31mFrontier
Sun 5/510:30 pmSEA - STL
1 stop9h 17mFrontier
Deal found 4/24$209
Wed 5/17:51 pmSTL - SEA
1 stop22h 40mFrontier
Wed 5/89:55 amSEA - STL
1 stop8h 44mFrontier
Deal found 4/25$218
Sat 5/45:20 amSTL - SEA
1 stop7h 46mAmerican Airlines
Sat 5/1111:43 pmSEA - STL
1 stop8h 10mAmerican Airlines
Deal found 4/24$239
Wed 5/13:06 pmSTL - SEA
1 stop7h 21mDelta
Fri 5/1012:40 amSEA - STL
1 stop8h 30mDelta
Deal found 4/24$241
Tue 4/304:50 pmSTL - SEA
1 stop26h 08mFrontier
Sat 5/49:32 pmSEA - STL
1 stop14h 57mFrontier
Deal found 4/24$247

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 3,068,701 searches. Data last updated April 25, 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 5/87:51 pmSTL - SEA
1 stop22h 40mFrontier
Deal found 4/24$69
Wed 5/87:51 pmSTL - SEA
1 stop22h 40mFrontier
Deal found 4/25$70
Fri 5/1010:17 pmSTL - SEA
1 stop13h 03mFrontier
Deal found 4/25$75
Sat 5/188:04 pmSTL - SEA
1 stop13h 00mFrontier
Deal found 4/24$91
Sat 9/218:00 pmSTL - SEA
1 stop14h 37mFrontier
Deal found 4/24$96
Mon 5/69:53 pmSTL - SEA
1 stop13h 51mFrontier
Deal found 4/24$99
Sun 5/2611:22 pmSTL - SEA
1 stop11h 18mFrontier
Deal found 4/24$106
Tue 6/45:30 pmSTL - SEA
1 stop6h 51mDelta
Deal found 4/24$108
Thu 5/210:59 pmSTL - SEA
1 stop22h 31mFrontier
Deal found 4/24$109

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 3,068,701 searches. Data last updated April 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$115 - $284

Route

Depart

Return

Price

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Wed 5/8

1 stop22h 40m

Seattle/Tacoma Intl

Mon 5/13

1 stop9h 08m

$115

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Thu 5/9

1 stop22h 31m

Seattle/Tacoma Intl

Mon 5/13

1 stop22h 59m

$117

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Fri 5/10

1 stop13h 03m

Seattle/Tacoma Intl

Mon 5/13

1 stop22h 59m

$127

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Mon 5/6

1 stop13h 51m

Seattle/Tacoma Intl

Wed 5/8

1 stop8h 44m

$128

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Tue 5/21

1 stop10h 20m

Seattle/Tacoma Intl

Wed 6/5

Nonstop3h 59m

$188

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Wed 10/2

1 stop10h 12m

Seattle/Tacoma Intl

Tue 10/8

1 stop8h 05m

$195

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Thu 10/3

1 stop7h 00m

Seattle/Tacoma Intl

Sat 10/5

1 stop6h 00m

$216

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Fri 6/7

Nonstop4h 19m

Seattle/Tacoma Intl

Sat 6/8

Nonstop4h 01m

$257

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

Wed 5/22

1 stop10h 53m

Seattle/Tacoma Intl

Wed 5/29

3 stops29h 54m

$284

Flights are sorted by cheapest first

Deals found on 4/24

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 April 25, 2024.
Get a feel of what it's like to fly with Alaska Airlines, Frontier and Delta 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
9,110 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Entertainment

7.3

Comfort

7.9

Boarding

8.2

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
9,110 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Entertainment

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

Delta
8.1
Very good
10,975 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Entertainment

7.3

Comfort

7.9

Boarding

8.2

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
11,255 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Entertainment

7.3

Comfort

7.9

Boarding

8.2

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
14,898 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Entertainment

7.3

Comfort

7.9

Boarding

8.2

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
7.3
Good
659 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Food

7.3

Overall

8.1

Crew

8.6

Entertainment

7.3

Comfort

7.9

Boarding

8.2

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 Frontier for just $115, but on average you can expect to pay $146.

  • 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 $361.

  • 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: Sunday.

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

    The Lambert-St Louis to Washington flight path was viewed by 57 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?

    1 flight departure from St. Louis to State of Washington per day on average.
    Morning (6am - Noon) - 100% of flight departures

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

    Frontier and American Airlines can get you from St. Louis to State of Washington in just under 10h 12m. Your travel time can differ by up to 12h 28m. 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 Frontier, which is currently one of the cheapest options available, starting at $69. Delta flights start at $108 while deals on Spirit Airlines start at $117 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 (97%), Japan Airlines (97%) and American Airlines (95%).

  • 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 $1,226, our data indicates the cheapest price to be $138. The most popular route (Lambert-St Louis - Seattle/Tacoma Intl), is priced around $166.

  • 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), Pullman Moscow Regional Airport (PUW).

  • 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 4/24.

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 3,068,701 searches. Data last updated April 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$143Average$233FlexibilityNo cancel feeOn-time62%
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Spirit AirlinesCheapest$155Average$310FlexibilityNo cancel feeOn-time65%
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DeltaCheapest$160Average$403FlexibilityNo cancel feeOn-timeN/A
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Alaska AirlinesCheapest$167Average$462FlexibilityNo cancel feeOn-time75%
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Sun Country AirCheapest$169Average$384FlexibilityNo cancel feeOn-time83%
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American AirlinesCheapest$176Average$469FlexibilityNo cancel feeOn-time71%
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United AirlinesCheapest$178Average$515FlexibilityNo 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 April 25, 2024.
1%of flight departuresEarly morningMidnight to 6 am
66%of flight departuresMorning6 am to noon
33%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
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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