Cheap flights from Washington to St. Louis (STL) from $52

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 6/4. 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.
SEA — STL
May 16 — May 231

How far in advance should I book a flight from State of Washington to St. Louis?

Find a great deal and save up to 49% by booking at least 49 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from State of Washington to St. Louis within the next two weeks, with the cheapest ticket starting at $296.

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

The best pricing can be found in the month of January. Prices to St. Louis from State of Washington average $344. You can even find prices in January for less than $344, as users have found deals to St. Louis from as low as $155. The month of July appears to be one of the more expensive times to travel to St. Louis from State of Washington. Flying in the targeted month can save you up to 29%.

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

When flying from State of Washington to St. Louis, 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 Washington to St. Louis

Explore cheap flight options specifically provided by Frontier for the route between Washington and St. Louis. 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 2,684,066 searches. Data last updated May 11, 2024.
Check out some of the cheapest Frontier flights we've come across from Washington to St. Louis. Come back soon if you're not finding the exact deal you're looking for.
Thu 6/612:56 amPDX - STL
1 stop6h 44mFrontier
Mon 6/108:22 pmSTL - PDX
1 stop12h 28mFrontier
Deal found 5/10$174
Wed 5/298:20 pmPDX - STL
2 stops11h 53mFrontier
Mon 6/38:04 pmSTL - PDX
1 stop13h 03mFrontier
Deal found 5/10$175
Wed 6/1212:52 amPDX - STL
1 stop11h 40mFrontier
Fri 6/145:36 pmSTL - PDX
1 stop8h 23mFrontier
Deal found 5/10$177
Sat 6/812:59 amPDX - STL
1 stop11h 38mFrontier
Fri 6/145:36 pmSTL - PDX
1 stop8h 23mFrontier
Deal found 5/10$178
Sun 6/212:48 amPDX - STL
1 stop6h 48mFrontier
Fri 6/75:36 pmSTL - PDX
1 stop8h 10mFrontier
Deal found 5/10$179
Sat 5/188:54 amPDX - STL
1 stop11h 55mFrontier
Tue 5/2810:44 pmSTL - PDX
1 stop26h 59mFrontier
Deal found 5/10$180
Sun 6/212:48 amPDX - STL
1 stop6h 48mFrontier
Fri 6/75:36 pmSTL - PDX
2 stops25h 44mFrontier
Deal found 5/10$183
Sun 6/912:49 amPDX - STL
1 stop6h 40mFrontier
Sat 6/158:02 pmSTL - PDX
1 stop5h 56mFrontier
Deal found 5/10$184
Thu 6/68:52 amPDX - STL
1 stop22h 48mFrontier
Tue 6/117:29 pmSTL - PDX
2 stops21h 48mFrontier
Deal found 5/10$185

Cheap Spirit Airlines flights from Washington to St. Louis

Explore cheap flight options specifically provided by Spirit Airlines for the route between Washington and St. Louis. 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 2,684,066 searches. Data last updated May 11, 2024.
Have a look at some of the cheapest available Spirit Airlines flights departing from Washington and landing in St. Louis. Check back soon if you're not seeing flights that suit your needs.
Fri 6/72:00 pmPDX - STL
2 stops25h 28mSpirit Airlines
Wed 6/121:55 pmSTL - PDX
1 stop9h 48mSpirit Airlines
Deal found 5/9$191
Fri 6/72:00 pmPDX - STL
2 stops25h 28mSpirit Airlines
Wed 6/121:55 pmSTL - PDX
2 stops20h 54mSpirit Airlines
Deal found 5/9$255
Sun 6/29:35 amSEA - STL
1 stop27h 39mSpirit Airlines
Tue 6/1111:57 amSTL - SEA
2 stops22h 35mSpirit Airlines
Deal found 5/9$260
Wed 7/105:20 amSEA - STL
1 stop6h 57mSpirit Airlines
Mon 7/153:07 pmSTL - SEA
1 stop7h 16mSpirit Airlines
Deal found 5/9$281
Tue 5/219:40 pmSEA - STL
1 stop11h 06mSpirit Airlines
Tue 5/2810:34 amSTL - SEA
2 stops24h 11mSpirit Airlines
Deal found 5/9$286
Sun 5/199:40 pmSEA - STL
1 stop15h 34mSpirit Airlines
Tue 5/2110:34 amSTL - SEA
2 stops24h 11mSpirit Airlines
Deal found 5/9$559
Sun 5/199:40 pmSEA - STL
1 stop15h 34mSpirit Airlines
Tue 5/2110:34 amSTL - SEA
3 stops35h 55mSpirit Airlines
Deal found 5/10$595
Fri 5/179:40 pmSEA - STL
3 stops16h 45mSpirit Airlines
Mon 5/204:05 pmSTL - SEA
1 stop18h 40mSpirit Airlines
Deal found 5/10$605

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

Find cheap flight options from Washington to St. Louis specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,684,066 searches. Prices were last updated on May 11, 2024.
Check out some of the best flight deals from Washington to St. Louis in 2024. For more flight deals, be sure to check back very soon.
Thu 6/612:56 amPDX - STL
1 stop6h 44mFrontier
Mon 6/108:22 pmSTL - PDX
1 stop12h 28mFrontier
Deal found 5/10$174
Wed 5/298:20 pmPDX - STL
2 stops11h 53mFrontier
Mon 6/38:04 pmSTL - PDX
1 stop13h 03mFrontier
Deal found 5/10$175
Sat 6/88:39 amPDX - STL
1 stop27h 58mMultiple Airlines
Mon 6/102:41 pmSTL - PDX
1 stop22h 27mMultiple Airlines
Deal found 5/10$176
Wed 6/1212:52 amPDX - STL
1 stop11h 40mFrontier
Fri 6/145:36 pmSTL - PDX
1 stop8h 23mFrontier
Deal found 5/10$177
Sat 6/812:59 amPDX - STL
1 stop11h 38mFrontier
Fri 6/145:36 pmSTL - PDX
1 stop8h 23mFrontier
Deal found 5/10$178
Fri 5/1010:16 pmPDX - STL
1 stop11h 23mFrontier
Fri 5/1710:21 pmSTL - PDX
1 stop11h 43mFrontier
Deal found 5/10$179
Fri 5/1010:16 pmPDX - STL
1 stop11h 23mFrontier
Sun 5/1210:59 pmSTL - PDX
1 stop12h 11mFrontier
Deal found 5/9$180
Tue 6/259:05 pmPDX - STL
1 stop11h 37mMultiple Airlines
Wed 7/104:02 pmSTL - PDX
1 stop9h 39mMultiple Airlines
Deal found 5/10$181
Sun 6/212:48 amPDX - STL
1 stop6h 48mFrontier
Fri 6/75:36 pmSTL - PDX
2 stops25h 44mFrontier
Deal found 5/10$183

Washington to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Washington and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,684,066 searches. Data last updated May 11, 2024.
Check out some of the best flight deals from Washington to St. Louis in 2024. For more flight deals, be sure to check back very soon.
Thu 6/612:56 amPDX - STL
1 stop6h 44mFrontier
Mon 6/108:22 pmSTL - PDX
1 stop12h 28mFrontier
Deal found 5/10$174
Wed 5/298:20 pmPDX - STL
2 stops11h 53mFrontier
Mon 6/38:04 pmSTL - PDX
1 stop13h 03mFrontier
Deal found 5/10$175
Sat 6/88:39 amPDX - STL
1 stop27h 58mMultiple Airlines
Mon 6/102:41 pmSTL - PDX
1 stop22h 27mMultiple Airlines
Deal found 5/10$176
Wed 6/1212:52 amPDX - STL
1 stop11h 40mFrontier
Fri 6/145:36 pmSTL - PDX
1 stop8h 23mFrontier
Deal found 5/10$177
Sat 6/812:59 amPDX - STL
1 stop11h 38mFrontier
Fri 6/145:36 pmSTL - PDX
1 stop8h 23mFrontier
Deal found 5/10$178
Fri 5/1010:16 pmPDX - STL
1 stop11h 23mFrontier
Fri 5/1710:21 pmSTL - PDX
1 stop11h 43mFrontier
Deal found 5/10$179
Fri 5/1010:16 pmPDX - STL
1 stop11h 23mFrontier
Sun 5/1210:59 pmSTL - PDX
1 stop12h 11mFrontier
Deal found 5/9$180
Tue 6/259:05 pmPDX - STL
1 stop11h 37mMultiple Airlines
Wed 7/104:02 pmSTL - PDX
1 stop9h 39mMultiple Airlines
Deal found 5/10$181
Sun 6/212:48 amPDX - STL
1 stop6h 48mFrontier
Fri 6/75:36 pmSTL - PDX
2 stops25h 44mFrontier
Deal found 5/10$183

Non-stop flights to St. Louis from Washington

Discover non-stop flight options from Washington to St. Louis. 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 2,684,066 searches. Data last updated May 11, 2024.
For a quicker trip, book one of these direct flights from Washington to St. Louis. Users seeking other options on flights from Washington to St. Louis should update the search form at the top of the page.
Sat 6/15:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Wed 6/127:00 amSTL - SEA
Nonstop4h 14mAlaska Airlines
Deal found 5/10$237
Mon 6/37:37 amSEA - STL
Nonstop3h 59mAlaska Airlines
Wed 6/127:00 amSTL - SEA
Nonstop4h 14mAlaska Airlines
Deal found 5/10$257
Sun 6/25:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Sat 6/82:36 pmSTL - SEA
Nonstop4h 13mAlaska Airlines
Deal found 5/10$277
Sun 6/25:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Fri 6/77:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Deal found 5/10$297
Sun 6/25:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Sun 6/97:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Deal found 5/10$317
Sat 5/2512:43 pmSEA - STL
Nonstop3h 58mAlaska Airlines
Wed 6/57:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Deal found 5/10$322
Fri 5/315:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Sun 6/22:36 pmSTL - SEA
Nonstop4h 13mAlaska Airlines
Deal found 5/10$327
Fri 6/75:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Mon 7/12:21 pmSTL - SEA
Nonstop4h 24mAlaska Airlines
Deal found 5/10$342
Thu 5/305:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
Wed 6/57:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Deal found 5/10$362

Washington to St. Louis flights leaving soon

Find last-minute flight options from Washington to St. Louis 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 2,684,066 searches. Data last updated May 11, 2024.
Have a look at some of the flights available from Washington to St. Louis departing last-minute. It's wise to confirm all flight details are correct before booking.
Sat 5/188:54 amPDX - STL
1 stop11h 55mFrontier
Tue 5/2810:44 pmSTL - PDX
1 stop26h 59mFrontier
Deal found 5/10$180
Sat 5/188:54 amPDX - STL
1 stop11h 55mFrontier
Tue 5/287:23 pmSTL - PDX
2 stops25h 57mFrontier
Deal found 5/10$185
Sat 5/188:54 amPDX - STL
1 stop11h 55mFrontier
Tue 5/217:23 pmSTL - PDX
2 stops25h 57mFrontier
Deal found 5/10$195
Mon 5/2012:43 amPDX - STL
1 stop10h 26mFrontier
Tue 5/287:23 pmSTL - PDX
2 stops25h 57mFrontier
Deal found 5/10$208
Sat 5/184:00 pmPDX - STL
2 stops16h 13mFrontier
Tue 5/217:23 pmSTL - PDX
2 stops25h 57mFrontier
Deal found 5/10$232
Sat 5/188:54 amPDX - STL
1 stop11h 55mFrontier
Tue 5/2110:44 pmSTL - PDX
1 stop26h 59mFrontier
Deal found 5/10$234
Thu 5/169:49 pmSEA - STL
1 stop9h 47mFrontier
Sat 5/188:04 pmSTL - SEA
1 stop13h 00mFrontier
Deal found 5/8$236
Fri 5/1712:48 amPDX - STL
1 stop6h 37mFrontier
Tue 5/2810:44 pmSTL - PDX
1 stop26h 59mFrontier
Deal found 5/10$249
Mon 5/2012:40 amSEA - STL
1 stop8h 30mDelta
Tue 6/45:30 pmSTL - SEA
1 stop6h 51mDelta
Deal found 5/10$251

One-way flights to St. Louis from Washington

Search for one-way flight options from Washington to St. Louis. 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 2,684,066 searches. Data last updated May 11, 2024.
Users in need of a one-way flight from Washington to St. Louis can choose from these deals. Those seeking round-trip flights from Washington to St. Louis should utilize the search form at the the top of the page.
Tue 6/412:00 pmPDX - STL
1 stop23h 05mSpirit Airlines
Deal found 5/10$52
Tue 6/412:00 pmPDX - STL
1 stop23h 05mSpirit Airlines
Deal found 5/10$54
Fri 5/3112:48 amPDX - STL
1 stop6h 37mFrontier
Deal found 5/10$85
Thu 5/3012:48 amPDX - STL
1 stop6h 48mFrontier
Deal found 5/10$89
Mon 6/38:40 amPDX - STL
1 stop10h 51mFrontier
Deal found 5/10$91
Fri 5/2412:48 amPDX - STL
1 stop6h 37mFrontier
Deal found 5/10$96
Fri 5/317:54 pmPDX - STL
2 stops12h 19mFrontier
Deal found 5/10$100
Sat 6/14:00 pmPDX - STL
2 stops16h 13mFrontier
Deal found 5/10$101
Sat 5/254:00 pmPDX - STL
2 stops22h 11mFrontier
Deal found 5/10$107

Find flights from Washington to St. Louis within your budget

Customize your flight search to find flights from Washington to St. Louis 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 2,684,066 searches. Data last updated May 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$174 - $320

Route

Depart

Return

Price

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

Thu 6/6

1 stop6h 44m

Lambert-St Louis

Mon 6/10

1 stop12h 28m

$174

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

Wed 5/29

2 stops11h 53m

Lambert-St Louis

Mon 6/3

1 stop13h 03m

$175

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

Sat 6/8

1 stop27h 58m

Lambert-St Louis

Mon 6/10

1 stop22h 27m

$176

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

Fri 6/7

2 stops25h 28m

Lambert-St Louis

Wed 6/12

1 stop9h 48m

$191

Seattle/Tacoma IntlLambert-St Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Tue 6/4

Nonstop4h 01m

Lambert-St Louis

Tue 6/11

Nonstop4h 19m

$237

Seattle/Tacoma IntlLambert-St Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Fri 5/31

1 stop8h 30m

Lambert-St Louis

Mon 6/10

1 stop7h 34m

$251

Seattle/Tacoma IntlLambert-St Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Wed 5/29

1 stop7h 22m

Lambert-St Louis

Wed 6/5

1 stop8h 31m

$256

Seattle/Tacoma IntlLambert-St Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Thu 7/11

1 stop14h 30m

Lambert-St Louis

Sun 7/14

1 stop15h 31m

$270

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

Wed 5/15

1 stop8h 24m

Lambert-St Louis

Wed 5/22

1 stop7h 54m

$320

Flights are sorted by cheapest first

Deals found on 5/10

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

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated May 11, 2024.
Peruse reviews from past customers who have flown with Frontier, Spirit Airlines and Alaska Airlines from Washington to St. Louis to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,141 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.6

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
9,141 reviews
8.1
Very good
9,141 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.6

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
10,751 reviews
8.1
Very good
9,141 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.6

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.4
Good
11,014 reviews
8.1
Very good
9,141 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.6

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.3
Good
14,639 reviews
8.1
Very good
9,141 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.6

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.2
Good
636 reviews
8.1
Very good
9,141 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.6

Overall

8.1

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

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

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Washington to St. Louis.

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

    Yes, there are multiple flights from State of Washington to St. Louis for under $200. The cheapest flight booked recently is on Frontier for just $174, but on average you can expect to pay $184.

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

    Cheapflights has at least 20 direct flights from State of Washington to St. Louis under $300. A good price for a nonstop flight from State of Washington to St. Louis is less than $403.

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

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

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

    Nonstop flights can be found on the following days: Wednesday, Thursday.

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

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

    On average 7 flights depart from State of Washington to St. Louis per day.
    Morning (6am - Noon) - 43% of flight departures
    Afternoon (Noon - 6pm) - 57% of flight departures

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

    A quick flight from State of Washington to St. Louis can take about 6h 44m. Frontier provides one of the quickest options available for as low as $174. There are 1714 mi between State of Washington and St. Louis. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $52 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $85 and American Airlines from $113 one-way.

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

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

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

    The top 3 most reliable airlines when flying from State of Washington to St. Louis are American Airlines (92%), Alaska Airlines (88%) and Air Tahiti Nui (88%).

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

    The cheapest flight price from State of Washington to St. Louis is $135. On average you can expect to pay $573. The most popular route, (Seattle/Tacoma Intl - Lambert-St Louis), can usually be booked for $143.

  • What does SEA to STL mean?

    Seattle/Tacoma Intl Airport is SEA and Lambert-St Louis Airport is STL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are 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 Washington to St. Louis that include extra baggage allowance?

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

  • Can I find deals on flights from Washington to St. Louis with specific airlines?

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

  • Can I find deals for flights from Washington to St. Louis that include hotel bookings?

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

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

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

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

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

  • Can I find deals for flights from Washington to St. Louis that allow pets onboard?

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

  • Can I find deals on last-minute flights from Washington to St. Louis?

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

    The State of Washington to St. Louis flight deals you see on this page were last updated on 5/10.

See more FAQs

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

Top 6 airlines flying from Washington to St. Louis

Discover the top 6 airlines that operate flights from Washington to St. Louis. 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 2,684,066 searches. Data last updated May 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$113Average$254FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$152Average$443FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Spirit AirlinesCheapest$156Average$306FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$157Average$435FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$168Average$512FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$188Average$533FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Search flights from Washington to St. Louis by cabin class

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

Hourly flight availability from Washington to St. Louis

Find hourly flight availability from Washington to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 11, 2024.
1%of flight departuresEarly morningMidnight to 6 am
41%of flight departuresMorning6 am to noon
58%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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 Washington to St. Louis?

Cheapflights helps you search for flights from Washington to St. Louis via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Washington to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to St. Louis from Washington 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 Washington to St. Louis become cheaper?

Not ready to book yet? You can track prices for flights from Washington to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

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