Cheap flights from Washington to St. Louis (STL) from $43

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 6/11. 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. 21 — may. 281

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 $343. You can even find prices in January for less than $343, 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 27%.

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 2,637,452 searches. Data last updated mayo 16, 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.
lun. 8/1912:48 amPDX - STL
1 stop9h 02mFrontier
sáb. 8/2411:41 pmSTL - PDX
1 stop11h 05mFrontier
Deal found 5/15$169
jue. 5/307:48 amPDX - STL
1 stop12h 18mFrontier
mar. 6/410:44 pmSTL - PDX
1 stop10h 06mFrontier
Deal found 5/16$170
dom. 6/212:48 amPDX - STL
1 stop6h 48mFrontier
mar. 6/410:44 pmSTL - PDX
1 stop27h 05mFrontier
Deal found 5/15$173
jue. 6/612:56 amPDX - STL
1 stop6h 44mFrontier
lun. 6/108:22 pmSTL - PDX
1 stop12h 28mFrontier
Deal found 5/15$174
mié. 5/298:20 pmPDX - STL
2 stops11h 53mFrontier
lun. 6/38:04 pmSTL - PDX
1 stop13h 03mFrontier
Deal found 5/15$175
dom. 6/212:48 amPDX - STL
1 stop6h 48mFrontier
mar. 6/47:23 pmSTL - PDX
2 stops21h 44mFrontier
Deal found 5/15$178
jue. 5/307:48 amPDX - STL
1 stop12h 18mFrontier
jue. 6/63:32 pmSTL - PDX
1 stop17h 13mFrontier
Deal found 5/16$179
mar. 5/2111:57 amPDX - STL
1 stop7h 42mFrontier
mié. 5/228:04 pmSTL - PDX
1 stop12h 44mFrontier
Deal found 5/15$180
mar. 6/412:49 amPDX - STL
1 stop6h 40mFrontier
mar. 6/117:29 pmSTL - PDX
2 stops21h 48mFrontier
Deal found 5/15$183

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 2,637,452 searches. Data last updated mayo 16, 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.
jue. 6/610:16 pmPDX - STL
1 stop14h 00mSpirit Airlines
mar. 6/1111:57 amSTL - PDX
3 stops26h 07mSpirit Airlines
Deal found 5/15$210
vie. 6/76:00 amPDX - STL
1 stop6h 16mSpirit Airlines
mar. 6/1111:57 amSTL - PDX
3 stops26h 07mSpirit Airlines
Deal found 5/15$258
vie. 6/76:00 amPDX - STL
1 stop6h 16mSpirit Airlines
lun. 6/102:41 pmSTL - PDX
2 stops23h 23mSpirit Airlines
Deal found 5/15$265
vie. 6/76:00 amPDX - STL
3 stops33h 28mSpirit Airlines
mar. 6/1111:57 amSTL - PDX
2 stops24h 56mSpirit Airlines
Deal found 5/15$282
mié. 6/129:28 amSEA - STL
3 stops31h 54mSpirit Airlines
mié. 6/191:55 pmSTL - SEA
1 stop8h 14mSpirit Airlines
Deal found 5/15$293
vie. 6/76:00 amPDX - STL
1 stop6h 16mSpirit Airlines
lun. 6/102:41 pmSTL - PDX
3 stops23h 23mSpirit Airlines
Deal found 5/15$309

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 2,637,452 searches. Prices were last updated on mayo 16, 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.
mar. 5/2812:48 amPDX - STL
1 stop6h 48mMultiple Airlines
lun. 6/34:05 pmSTL - PDX
1 stop21h 00mMultiple Airlines
Deal found 5/16$160
mar. 6/412:49 amPDX - STL
1 stop6h 40mFrontier
lun. 6/1010:59 pmSTL - PDX
1 stop11h 33mFrontier
Deal found 5/15$170
dom. 6/212:48 amPDX - STL
1 stop6h 48mFrontier
mar. 6/410:44 pmSTL - PDX
1 stop27h 05mFrontier
Deal found 5/15$173
mié. 5/2212:33 amPDX - STL
1 stop19h 33mFrontier
jue. 5/305:01 pmSTL - PDX
1 stop7h 03mFrontier
Deal found 5/15$174
mié. 5/298:20 pmPDX - STL
2 stops11h 53mFrontier
lun. 6/38:04 pmSTL - PDX
1 stop13h 03mFrontier
Deal found 5/15$175
mié. 5/2912:33 amPDX - STL
1 stop19h 33mMultiple Airlines
lun. 6/34:05 pmSTL - PDX
1 stop21h 00mMultiple Airlines
Deal found 5/15$176
dom. 6/212:48 amPDX - STL
1 stop6h 48mFrontier
mar. 6/47:23 pmSTL - PDX
2 stops21h 44mFrontier
Deal found 5/15$178
jue. 5/307:48 amPDX - STL
1 stop12h 18mFrontier
jue. 6/63:32 pmSTL - PDX
1 stop17h 13mFrontier
Deal found 5/16$179
mar. 5/2111:57 amPDX - STL
1 stop7h 42mFrontier
mié. 5/228:04 pmSTL - PDX
1 stop12h 44mFrontier
Deal found 5/15$180

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 2,637,452 searches. Data last updated mayo 16, 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.
mar. 5/2812:48 amPDX - STL
1 stop6h 48mMultiple Airlines
lun. 6/34:05 pmSTL - PDX
1 stop21h 00mMultiple Airlines
Deal found 5/16$160
lun. 8/1912:48 amPDX - STL
1 stop9h 02mFrontier
sáb. 8/2411:41 pmSTL - PDX
1 stop11h 05mFrontier
Deal found 5/15$169
jue. 5/309:49 pmSEA - STL
1 stop9h 47mFrontier
lun. 6/310:21 pmSTL - SEA
1 stop13h 34mFrontier
Deal found 5/15$170
mar. 6/412:49 amPDX - STL
1 stop6h 40mFrontier
lun. 6/1010:59 pmSTL - PDX
1 stop11h 33mFrontier
Deal found 5/15$170
dom. 6/212:48 amPDX - STL
1 stop6h 48mFrontier
mar. 6/410:44 pmSTL - PDX
1 stop27h 05mFrontier
Deal found 5/15$173
mié. 5/2212:33 amPDX - STL
1 stop19h 33mFrontier
jue. 5/305:01 pmSTL - PDX
1 stop7h 03mFrontier
Deal found 5/15$174
mié. 5/298:20 pmPDX - STL
2 stops11h 53mFrontier
lun. 6/38:04 pmSTL - PDX
1 stop13h 03mFrontier
Deal found 5/15$175
mié. 5/2912:33 amPDX - STL
1 stop19h 33mMultiple Airlines
lun. 6/34:05 pmSTL - PDX
1 stop21h 00mMultiple Airlines
Deal found 5/15$176
mar. 6/181:47 pmSEA - STL
2 stops18h 55mFrontier
jue. 6/207:29 pmSTL - SEA
1 stop15h 08mFrontier
Deal found 5/15$177

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 2,637,452 searches. Data last updated mayo 16, 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.
vie. 6/75:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
dom. 6/97:00 amSTL - SEA
Nonstop4h 14mAlaska Airlines
Deal found 5/15$277
jue. 8/227:37 amSEA - STL
Nonstop3h 56mAlaska Airlines
dom. 8/257:31 pmSTL - SEA
Nonstop4h 24mAlaska Airlines
Deal found 5/16$297
jue. 6/207:30 amSEA - STL
Nonstop3h 50mAlaska Airlines
mar. 6/257:00 amSTL - SEA
Nonstop4h 25mAlaska Airlines
Deal found 5/16$307
jue. 10/36:08 pmSEA - STL
Nonstop3h 50mAlaska Airlines
sáb. 10/52:25 pmSTL - SEA
Nonstop4h 34mAlaska Airlines
Deal found 5/15$317
jue. 5/305:58 pmSEA - STL
Nonstop4h 01mAlaska Airlines
mié. 6/57:41 pmSTL - SEA
Nonstop4h 19mAlaska Airlines
Deal found 5/15$322
sáb. 6/156:10 pmSEA - STL
Nonstop3h 49mAlaska Airlines
dom. 6/237:32 pmSTL - SEA
Nonstop4h 28mAlaska Airlines
Deal found 5/15$327
vie. 6/147:30 amSEA - STL
Nonstop3h 50mAlaska Airlines
dom. 6/167:00 amSTL - SEA
Nonstop4h 25mAlaska Airlines
Deal found 5/16$347
vie. 6/217:30 amSEA - STL
Nonstop3h 50mAlaska Airlines
lun. 6/247:32 pmSTL - SEA
Nonstop4h 28mAlaska Airlines
Deal found 5/16$367
mié. 6/127:37 amSEA - STL
Nonstop3h 59mAlaska Airlines
mié. 6/197:32 pmSTL - SEA
Nonstop4h 28mAlaska Airlines
Deal found 5/15$387

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 2,637,452 searches. Data last updated mayo 16, 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.
mié. 5/2212:33 amPDX - STL
1 stop19h 33mFrontier
jue. 5/305:01 pmSTL - PDX
1 stop7h 03mFrontier
Deal found 5/15$174
mar. 5/2111:57 amPDX - STL
1 stop7h 42mFrontier
mié. 5/228:04 pmSTL - PDX
1 stop12h 44mFrontier
Deal found 5/15$180
jue. 5/2312:48 amPDX - STL
1 stop6h 48mFrontier
sáb. 5/258:04 pmSTL - PDX
1 stop15h 07mFrontier
Deal found 5/15$187
vie. 5/247:54 pmPDX - STL
2 stops12h 19mFrontier
sáb. 5/258:04 pmSTL - PDX
1 stop15h 07mFrontier
Deal found 5/15$192
dom. 5/2612:48 amPDX - STL
1 stop6h 48mFrontier
mar. 5/2810:44 pmSTL - PDX
1 stop26h 59mFrontier
Deal found 5/15$193
mié. 5/2212:33 amPDX - STL
1 stop19h 33mFrontier
jue. 5/305:01 pmSTL - PDX
2 stops27h 53mFrontier
Deal found 5/15$194
dom. 5/2612:48 amPDX - STL
1 stop6h 48mFrontier
mar. 5/282:12 pmSTL - PDX
2 stops31h 08mFrontier
Deal found 5/15$198
mar. 5/2112:48 amPDX - STL
1 stop6h 48mFrontier
mié. 5/298:04 pmSTL - PDX
1 stop12h 44mFrontier
Deal found 5/15$214
mié. 5/225:00 amPDX - STL
1 stop6h 36mMultiple Airlines
mié. 5/2911:36 amSTL - PDX
1 stop14h 31mMultiple Airlines
Deal found 5/15$225

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 2,637,452 searches. Data last updated mayo 16, 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.
mar. 6/119:41 pmSEA - STL
1 stop13h 24mSpirit Airlines
Deal found 5/15$43
mar. 8/205:23 amPDX - STL
1 stop8h 18mSpirit Airlines
Deal found 5/15$77
mar. 6/49:40 pmSEA - STL
1 stop13h 25mSpirit Airlines
Deal found 5/15$79
vie. 5/3112:48 amPDX - STL
1 stop6h 37mFrontier
Deal found 5/15$85
vie. 5/3110:24 pmSEA - STL
1 stop9h 01mFrontier
Deal found 5/15$89
mar. 6/253:15 pmPDX - STL
1 stop19h 50mSpirit Airlines
Deal found 5/15$90
mar. 5/288:14 pmSEA - STL
1 stop11h 22mFrontier
Deal found 5/15$91
lun. 6/38:40 amPDX - STL
1 stop10h 51mFrontier
Deal found 5/15$91
mar. 5/218:14 pmSEA - STL
1 stop11h 22mFrontier
Deal found 5/15$94

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 2,637,452 searches. Data last updated mayo 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$160 - $289

Route

Depart

Return

Price

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

mar. 5/28

1 stop6h 48m

Lambert-St Louis

lun. 6/3

1 stop21h 00m

$160

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

jue. 6/6

1 stop6h 44m

Lambert-St Louis

lun. 6/10

1 stop11h 48m

$168

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

lun. 8/19

1 stop9h 02m

Lambert-St Louis

sáb. 8/24

1 stop11h 05m

$169

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

jue. 6/6

1 stop14h 00m

Lambert-St Louis

mar. 6/11

3 stops26h 07m

$210

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

vie. 8/9

1 stop7h 05m

Lambert-St Louis

mar. 8/13

1 stop10h 13m

$226

Seattle/Tacoma IntlLambert-St Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

mié. 5/29

1 stop8h 30m

Lambert-St Louis

lun. 6/3

1 stop7h 09m

$248

PortlandLambert-St Louis

PDX - STL

PDXSTL

Portland

mar. 8/20

2 stops12h 13m

Lambert-St Louis

sáb. 8/24

1 stop6h 54m

$250

Seattle/Tacoma IntlLambert-St Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

vie. 6/7

Nonstop4h 01m

Lambert-St Louis

dom. 6/9

Nonstop4h 14m

$277

Seattle/Tacoma IntlLambert-St Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

jue. 7/4

1 stop13h 34m

Lambert-St Louis

dom. 7/7

1 stop15h 51m

$289

Flights are sorted by cheapest first

Deals found on 5/16

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 mayo 16, 2024.
Peruse reviews from past customers who have flown with Frontier, Spirit Airlines and American 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
9,157 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

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

8.1
Very good
9,157 reviews
8.1
Very good
9,157 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

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

8.0
Very good
10,673 reviews
8.1
Very good
9,157 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

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

7.4
Good
10,924 reviews
8.1
Very good
9,157 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

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

7.3
Good
14,514 reviews
8.1
Very good
9,157 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

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

7.2
Good
630 reviews
8.1
Very good
9,157 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

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 Multiple Airlines for just $160, but on average you can expect to pay $178.

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

    Cheapflights has at least 19 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 $444.

  • 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: Tuesday, 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 8 flights depart from State of Washington to St. Louis per day.
    Afternoon (Noon - 6pm) - 50% of flight departures
    Evening (6pm - Midnight) - 50% 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 9h 02m. Frontier provides one of the quickest options available for as low as $169. 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 $43 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $85 and Delta from $108 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 Singapore Airlines (85%), American Airlines (83%) and Alaska Airlines (83%).

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

    The cheapest flight price from State of Washington to St. Louis is $138. On average you can expect to pay $715. The most popular route, (Seattle/Tacoma Intl - Lambert-St Louis), can usually be booked for $177.

  • 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 5/16.

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 2,637,452 searches. Data last updated mayo 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$115Average$248FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$153Average$440FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Spirit AirlinesCheapest$156Average$306FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$157Average$424FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$167Average$504FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$192Average$531FlexibilityNo 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 mayo 16, 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

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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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