Cheap flights from Washington, D.C. (WAS) to St. Louis (STL) from $68

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 3/10. 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.
WAS — STL
Feb 27 — Mar 51

The best prices from Washington, D.C. to Lambert-St Louis are usually found in February or September, booked 50 days in advance, depart on a Saturday or Thursday and return on a Wednesday

Cheap flight deals from Washington, D.C. to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 22, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$323

One-way from

$104
High demand for flights, 11% potential price rise
Best time to find cheap flights, 18% potential price drop
From Washington, D.C. (WAS) to Lambert-St Louis
One-way flight from Washington, D.C. (WAS) to Lambert-St Louis

What is the cheapest day to fly round-trip from Washington, D.C. to St. Louis?

Saturday flights are found to be more expensive to fly from Washington, D.C. to St. Louis. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.

How far in advance should I book a flight from Washington, D.C. to St. Louis?

Find a great deal and save up to 87% by booking at least 51 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 Washington, D.C. to St. Louis within the next two weeks, with the cheapest ticket starting at $391.

What is the cheapest month to fly from Washington, D.C. to St. Louis?

The best pricing can be found in the month of February. Prices to St. Louis from Washington, D.C. average $348. You can even find prices in February for less than $348, as users have found deals to St. Louis from as low as $191. The month of June appears to be one of the more expensive times to travel to St. Louis from Washington, D.C.. Flying in the targeted month can save you up to 12%.

When is the cheapest time to fly from Washington, D.C. to St. Louis (WAS - STL)?

It’s optimal to fly from Washington, D.C. to St. Louis at noon. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the afternoon.

Cheap American Airlines flights from Washington, D.C. to St. Louis

Explore cheap flight options specifically provided by American Airlines for the route between Washington, D.C. 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 3,442,422 searches. Data last updated February 22, 2024.
Peruse some of the lowest-priced American Airlines flights we've found from Washington, D.C. to St. Louis. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 3/207:46 pmDCA - STL
Nonstop2h 33mAmerican Airlines
Wed 3/279:17 amSTL - DCA
1 stop4h 07mAmerican Airlines
Deal found 2/21$181
Thu 3/146:59 amDCA - STL
1 stop5h 14mAmerican Airlines
Thu 3/216:19 amSTL - DCA
Nonstop2h 06mAmerican Airlines
Deal found 2/21$182
Fri 3/296:49 amDCA - STL
Nonstop2h 35mAmerican Airlines
Tue 4/26:19 amSTL - DCA
Nonstop2h 06mAmerican Airlines
Deal found 2/21$184
Sun 4/145:00 amDCA - STL
1 stop6h 13mAmerican Airlines
Tue 4/166:20 amSTL - DCA
Nonstop2h 01mAmerican Airlines
Deal found 2/21$192
Thu 4/46:00 amDCA - STL
1 stop5h 13mAmerican Airlines
Fri 4/56:20 amSTL - DCA
Nonstop2h 01mAmerican Airlines
Deal found 2/21$197
Thu 4/46:48 amDCA - STL
Nonstop2h 35mAmerican Airlines
Fri 4/56:20 amSTL - DCA
Nonstop2h 01mAmerican Airlines
Deal found 2/21$199
Sat 4/132:00 pmDCA - STL
Nonstop2h 25mAmerican Airlines
Wed 4/176:20 amSTL - DCA
Nonstop2h 01mAmerican Airlines
Deal found 2/21$229
Wed 4/247:51 pmDCA - STL
Nonstop2h 25mAmerican Airlines
Sun 4/284:42 pmSTL - DCA
1 stop4h 33mAmerican Airlines
Deal found 2/22$262
Thu 5/92:08 pmDCA - STL
Nonstop2h 24mAmerican Airlines
Sun 5/126:40 amSTL - DCA
1 stop4h 16mAmerican Airlines
Deal found 2/21$266
  • If you’re traveling from Washington, D.C. to St. Louis, one of the more common airlines traveling that route is American Airlines. Flights from American Airlines traveling this route typically cost $430.61 RT. This price is typically 42% more expensive than other airlines that offer Washington, D.C. to St. Louis flights. When booking this route, the cheapest RT price found was $326. The most popular departure airport in Washington, D.C. when flying to St. Louis is Washington, D.C. Dulles Intl Airport. The most popular airport to fly into when visiting St. Louis is Lambert-St Louis Airport. When flying from Washington, D.C. to St. Louis, American Airlines flights are 14% more popular than any other airline flying that same route.

Cheap United Airlines flights from Washington, D.C. to St. Louis

Explore cheap flight options specifically provided by United Airlines for the route between Washington, D.C. 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 3,442,422 searches. Data last updated February 22, 2024.
Some of the best deals we've found on United Airlines flights traveling from Washington, D.C. to St. Louis. Ensure the flight price, dates, time, and airline match your criteria before you book.
Sat 5/46:00 amIAD - STL
1 stop4h 59mUnited Airlines
Thu 7/45:18 pmSTL - IAD
1 stop6h 12mUnited Airlines
Deal found 2/21$208
Tue 3/198:45 amIAD - STL
Nonstop2h 27mUnited Airlines
Tue 3/195:05 pmSTL - IAD
1 stop5h 19mUnited Airlines
Deal found 2/21$215
Tue 7/28:15 amIAD - STL
1 stop7h 03mUnited Airlines
Sat 7/65:18 pmSTL - IAD
1 stop6h 12mUnited Airlines
Deal found 2/21$228
Tue 4/168:32 amIAD - STL
Nonstop2h 27mUnited Airlines
Sat 4/205:25 pmSTL - IAD
1 stop6h 05mUnited Airlines
Deal found 2/21$273
Sun 5/128:32 amIAD - STL
Nonstop2h 27mUnited Airlines
Wed 5/1511:10 amSTL - IAD
1 stop4h 13mUnited Airlines
Deal found 2/20$277
Sun 4/148:32 amIAD - STL
Nonstop2h 27mUnited Airlines
Tue 4/165:25 pmSTL - IAD
1 stop5h 34mUnited Airlines
Deal found 2/22$287
Tue 4/238:32 amIAD - STL
Nonstop2h 27mUnited Airlines
Tue 4/308:27 amSTL - IAD
Nonstop2h 10mUnited Airlines
Deal found 2/21$299
Sun 4/148:32 amIAD - STL
Nonstop2h 27mUnited Airlines
Mon 4/155:34 pmSTL - IAD
1 stop4h 44mUnited Airlines
Deal found 2/22$302
Sat 5/48:32 amIAD - STL
Nonstop2h 27mUnited Airlines
Thu 7/48:25 amSTL - IAD
Nonstop2h 06mUnited Airlines
Deal found 2/21$310
  • If you’re traveling from Washington, D.C. to St. Louis, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $403.97 RT. This price is typically 51% more expensive than other airlines that offer Washington, D.C. to St. Louis flights. When booking this route, the cheapest RT price found was $208. The most popular departure airport in Washington, D.C. when flying to St. Louis is Washington, D.C. Dulles Intl Airport. The most popular airport to fly into when visiting St. Louis is Lambert-St Louis Airport. When flying from Washington, D.C. to St. Louis, United Airlines flights are 3% more popular than any other airline flying that same route.

Cheap Washington, D.C. to St. Louis flights in February & March 2024

Find cheap flight options from Washington, D.C. to St. Louis specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,442,422 searches. Prices were last updated on February 22, 2024.
The lowest fares we've come across on flights traveling from Washington, D.C. to St. Louis in February and March 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 2/279:15 pmBWI - STL
1 stop11h 32mFrontier
Sat 3/27:23 pmSTL - BWI
1 stop11h 04mFrontier
Deal found 2/20$136
Mon 3/115:02 pmBWI - STL
1 stop16h 19mMultiple Airlines
Tue 3/128:24 pmSTL - BWI
1 stop10h 54mMultiple Airlines
Deal found 2/21$141
Tue 2/279:15 pmBWI - STL
1 stop11h 32mFrontier
Wed 2/287:27 pmSTL - BWI
1 stop19h 25mFrontier
Deal found 2/20$143
Mon 3/46:18 pmBWI - STL
1 stop14h 29mMultiple Airlines
Tue 3/57:32 pmSTL - BWI
1 stop11h 46mMultiple Airlines
Deal found 2/20$144
Wed 2/2811:05 amBWI - STL
1 stop21h 26mFrontier
Sat 3/27:23 pmSTL - BWI
1 stop11h 04mFrontier
Deal found 2/20$149
Mon 3/115:02 pmBWI - STL
1 stop16h 19mMultiple Airlines
Tue 3/1212:00 pmSTL - BWI
2 stops10h 32mMultiple Airlines
Deal found 2/21$160
Tue 2/279:15 pmBWI - STL
1 stop11h 32mFrontier
Mon 3/47:27 pmSTL - BWI
1 stop13h 33mFrontier
Deal found 2/20$162
Wed 2/289:15 pmBWI - STL
1 stop11h 16mFrontier
Mon 3/47:27 pmSTL - BWI
1 stop13h 33mFrontier
Deal found 2/20$163
Wed 2/289:15 pmBWI - STL
1 stop11h 16mFrontier
Thu 2/297:17 pmSTL - BWI
1 stop24h 24mFrontier
Deal found 2/20$164

Washington, D.C. to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Washington, D.C. and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 22, 2024.
The lowest fares we've come across on flights traveling from Washington, D.C. to St. Louis in February and March 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 5/145:15 amBWI - STL
1 stop6h 20mSpirit Airlines
Wed 5/1511:32 amSTL - BWI
1 stop11h 43mSpirit Airlines
Deal found 2/22$90
Tue 5/145:15 amBWI - STL
1 stop6h 20mMultiple Airlines
Tue 5/147:16 pmSTL - BWI
1 stop21h 00mMultiple Airlines
Deal found 2/22$91
Mon 5/138:08 amBWI - STL
1 stop24h 05mMultiple Airlines
Wed 5/1511:32 amSTL - BWI
1 stop11h 43mMultiple Airlines
Deal found 2/22$95
Thu 4/119:17 pmBWI - STL
1 stop10h 56mFrontier
Wed 4/179:53 pmSTL - BWI
1 stop21h 34mFrontier
Deal found 2/22$102
Mon 5/138:32 pmBWI - STL
1 stop11h 41mFrontier
Wed 5/159:53 pmSTL - BWI
1 stop9h 59mFrontier
Deal found 2/22$105
Tue 5/145:15 amBWI - STL
1 stop6h 20mMultiple Airlines
Tue 5/147:16 pmSTL - BWI
2 stops14h 25mMultiple Airlines
Deal found 2/22$107
Thu 4/119:17 pmBWI - STL
1 stop10h 56mFrontier
Sun 4/147:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 2/21$108
Mon 4/158:32 pmBWI - STL
1 stop11h 41mFrontier
Tue 4/164:50 pmSTL - BWI
2 stops21h 26mFrontier
Deal found 2/22$110
Thu 4/43:08 pmBWI - STL
1 stop18h 13mFrontier
Sun 4/78:24 pmSTL - BWI
1 stop10h 05mFrontier
Deal found 2/22$113

Non-stop flights to St. Louis from Washington, D.C.

Discover non-stop flight options from Washington, D.C. 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 3,442,422 searches. Data last updated February 22, 2024.
To help reduce your travel time, choose from one of these non-stop flights from Washington, D.C. to St. Louis. Select from other flights from Washington, D.C. to St. Louis by using the search form above.
Thu 3/147:46 pmDCA - STL
Nonstop2h 33mAmerican Airlines
Thu 3/216:19 amSTL - DCA
Nonstop2h 06mAmerican Airlines
Deal found 2/21$183
Sat 3/307:46 pmDCA - STL
Nonstop2h 33mAmerican Airlines
Tue 4/26:19 amSTL - DCA
Nonstop2h 06mAmerican Airlines
Deal found 2/22$184
Fri 5/37:50 pmDCA - STL
Nonstop2h 25mAmerican Airlines
Mon 5/64:50 pmSTL - DCA
Nonstop2h 10mAmerican Airlines
Deal found 2/21$189
Thu 4/46:48 amDCA - STL
Nonstop2h 35mAmerican Airlines
Fri 4/56:20 amSTL - DCA
Nonstop2h 01mAmerican Airlines
Deal found 2/21$199
Wed 3/207:46 pmDCA - STL
Nonstop2h 33mAmerican Airlines
Sat 3/236:12 amSTL - DCA
Nonstop2h 06mAmerican Airlines
Deal found 2/20$207
Sun 4/147:51 pmDCA - STL
Nonstop2h 25mAmerican Airlines
Tue 4/166:20 amSTL - DCA
Nonstop2h 01mAmerican Airlines
Deal found 2/21$208
Wed 3/136:49 amDCA - STL
Nonstop2h 35mAmerican Airlines
Wed 3/136:28 pmSTL - DCA
Nonstop2h 02mAmerican Airlines
Deal found 2/20$209
Tue 3/124:27 pmDCA - STL
Nonstop2h 31mAmerican Airlines
Wed 3/136:19 amSTL - DCA
Nonstop2h 06mAmerican Airlines
Deal found 2/21$219
Mon 4/17:46 pmDCA - STL
Nonstop2h 33mAmerican Airlines
Thu 4/45:41 pmSTL - DCA
Nonstop2h 08mAmerican Airlines
Deal found 2/22$223

Washington, D.C. to St. Louis flights leaving soon

Find last-minute flight options from Washington, D.C. 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 3,442,422 searches. Data last updated February 22, 2024.
Users seeking a last-minute flight from Washington, D.C. to St. Louis should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Tue 2/279:15 pmBWI - STL
1 stop11h 32mFrontier
Sat 3/27:23 pmSTL - BWI
1 stop11h 04mFrontier
Deal found 2/20$136
Tue 2/279:15 pmBWI - STL
1 stop11h 32mFrontier
Wed 2/287:27 pmSTL - BWI
1 stop19h 25mFrontier
Deal found 2/20$143
Mon 3/46:18 pmBWI - STL
1 stop14h 29mMultiple Airlines
Tue 3/57:32 pmSTL - BWI
1 stop11h 46mMultiple Airlines
Deal found 2/20$144
Wed 2/2811:05 amBWI - STL
1 stop21h 26mFrontier
Sat 3/27:23 pmSTL - BWI
1 stop11h 04mFrontier
Deal found 2/20$149
Tue 2/279:15 pmBWI - STL
1 stop11h 32mFrontier
Mon 3/47:27 pmSTL - BWI
1 stop13h 33mFrontier
Deal found 2/20$162
Wed 2/289:15 pmBWI - STL
1 stop11h 16mFrontier
Mon 3/47:27 pmSTL - BWI
1 stop13h 33mFrontier
Deal found 2/20$163
Wed 2/289:15 pmBWI - STL
1 stop11h 16mFrontier
Thu 2/297:17 pmSTL - BWI
1 stop24h 24mFrontier
Deal found 2/20$164
Tue 3/59:15 pmBWI - STL
1 stop11h 32mFrontier
Fri 3/88:24 pmSTL - BWI
1 stop10h 05mFrontier
Deal found 2/21$168
Mon 3/46:18 pmBWI - STL
1 stop14h 29mMultiple Airlines
Thu 3/78:24 pmSTL - BWI
1 stop22h 59mMultiple Airlines
Deal found 2/21$170

One-way flights to St. Louis from Washington, D.C.

Search for one-way flight options from Washington, D.C. 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 3,442,422 searches. Data last updated February 22, 2024.
Take a look at some of the best available options we've come across on one-way flights from Washington, D.C. to St. Louis. Those needing a return flight from Washington, D.C. to St. Louis can use the search form above.
Sun 3/1010:40 amBWI - STL
1 stop9h 10mSpirit Airlines
Deal found 2/21$68
Sun 3/1010:21 amBWI - STL
1 stop9h 29mSpirit Airlines
Deal found 2/21$72
Mon 3/46:18 pmBWI - STL
1 stop14h 29mMultiple Airlines
Deal found 2/20$75
Mon 3/46:18 pmBWI - STL
1 stop14h 29mMultiple Airlines
Deal found 2/21$77
Thu 3/710:40 amBWI - STL
1 stop9h 10mSpirit Airlines
Deal found 2/21$80
Wed 3/136:20 pmBWI - STL
1 stop15h 01mMultiple Airlines
Deal found 2/21$82
Wed 3/206:45 amBWI - STL
2 stops14h 28mMultiple Airlines
Deal found 2/20$86
Wed 3/206:20 amBWI - STL
1 stop14h 53mSpirit Airlines
Deal found 2/20$87
Sun 3/106:00 amIAD - STL
1 stop4h 30mDelta
Deal found 2/22$88

Find flights from Washington, D.C. to St. Louis within your budget

Customize your flight search to find flights from Washington, D.C. 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 3,442,422 searches. Data last updated February 22, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$90 - $208

Route

Depart

Return

Price

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Tue 5/14

1 stop6h 20m

Lambert-St Louis

Wed 5/15

1 stop11h 43m

$90

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Tue 5/14

1 stop6h 20m

Lambert-St Louis

Tue 5/14

1 stop21h 00m

$91

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Mon 5/13

1 stop24h 05m

Lambert-St Louis

Wed 5/15

1 stop11h 43m

$95

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Sat 5/11

1 stop11h 13m

Lambert-St Louis

Tue 5/14

1 stop11h 18m

$102

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Mon 5/13

1 stop11h 41m

Lambert-St Louis

Wed 5/15

1 stop9h 59m

$105

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Thu 4/11

1 stop10h 56m

Lambert-St Louis

Sun 4/14

1 stop11h 02m

$108

Washington, D.C. Dulles IntlLambert-St Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Sat 3/9

1 stop4h 29m

Lambert-St Louis

Mon 3/11

1 stop3h 50m

$176

Washington, D.C. Reagan-NationalLambert-St Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Wed 3/20

Nonstop2h 33m

Lambert-St Louis

Wed 3/27

1 stop4h 07m

$181

Washington, D.C. Dulles IntlLambert-St Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Sat 5/4

1 stop4h 59m

Lambert-St Louis

Thu 7/4

1 stop6h 12m

$208

Flights are sorted by cheapest first

Deals found on 2/22

When is the best time to book a flight from Washington, D.C. to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to St. Louis. Price data was last updated on January 28, 2024.
To ensure you get the cheapest price possible for a flight from Washington, D.C. to St. Louis, you should look to book at least 50 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from Washington, D.C. to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to St. Louis. Price data was last updated on February 18, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. to St. Louis flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from Washington, D.C. to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Washington, D.C. to St. Louis is currently $79 while a round-trip flight costs $128. Price data was last updated on February 18, 2024.

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to St. Louis (average of $323). Flying from Washington, D.C. to St. Louis in June is currently the most expensive (average of $389). 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.

January

$326

February

$330

March

$346

April

$361

May

$361

June

$389

July

$383

August

$338

September

$324

October

$323

November

$335

December

$323

Temperature and rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.

STL

Temperature

32 - 80.6 °F

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 February 22, 2024.
To help decide which airline to fly from Washington, D.C. to St. Louis, see what other customers have to say about American Airlines, United Airlines and Spirit Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,522 reviews

Overall

8.2

Comfort

8.1

Food

7.4

Entertainment

7.9

Boarding

8.4

Crew

8.8

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Southwest
8.2
Very good
6,522 reviews
Southwest
8.2
Very good
6,522 reviews

Overall

8.2

Comfort

8.1

Food

7.4

Entertainment

7.9

Boarding

8.4

Crew

8.8

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

8.1
Very good
11,921 reviews
Southwest
8.2
Very good
6,522 reviews

Overall

8.2

Comfort

8.1

Food

7.4

Entertainment

7.9

Boarding

8.4

Crew

8.8

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.4
Good
11,872 reviews
Southwest
8.2
Very good
6,522 reviews

Overall

8.2

Comfort

8.1

Food

7.4

Entertainment

7.9

Boarding

8.4

Crew

8.8

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.3
Good
15,643 reviews
Southwest
8.2
Very good
6,522 reviews

Overall

8.2

Comfort

8.1

Food

7.4

Entertainment

7.9

Boarding

8.4

Crew

8.8

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.3
Good
737 reviews
Southwest
8.2
Very good
6,522 reviews

Overall

8.2

Comfort

8.1

Food

7.4

Entertainment

7.9

Boarding

8.4

Crew

8.8

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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, D.C.?

Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to St. Louis. 6 airlines have flights to Lambert-St Louis from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Lambert-St Louis should not be difficult; the airport handles an average of 11 inbound flights from Washington, D.C. per day.

Can I find flights from Washington, D.C. to St. Louis for under $100 on Cheapflights?

Yes, there are multiple flights from Washington, D.C. to St. Louis for under $100. The cheapest flight booked recently is on Spirit Airlines for just $90, but on average you can expect to pay $121.

Are there nonstop flights from Washington, D.C. to St. Louis for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington, D.C. to St. Louis under $200. A good price for a nonstop flight from Washington, D.C. to St. Louis is less than $243.

Are there last-minute flights available from Washington, D.C. to St. Louis for under $200?

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

What days are nonstop flights available from Washington, D.C. to St. Louis?

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

How many flights depart from Washington, D.C. to St. Louis on average per day?

Travelers can expect 3 flights from Washington, D.C. to St. Louis on average per day.
Morning (6am - Noon) - 100% of flight departures

How long is the flight from Washington, D.C. to St. Louis?

A quick flight from Washington, D.C. to St. Louis can take about 6h 20m. Spirit Airlines provides one of the quickest options available for as low as $90. There are 698 mi between Washington, D.C. and St. Louis. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Washington, D.C. to St. Louis round-trip?

Our cheapest airline available from Washington, D.C. to St. Louis is Spirit Airlines. Our recent data shows that you can find tickets from as low as $90 on this airline. An additional option worth looking into is Frontier, starting at $105. These flights start at 74% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Washington, D.C. to St. Louis one-way?

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $68. Delta flights start at $88 while deals on Frontier start at $91 one-way.

What are the most popular routes from Washington, D.C. to St. Louis?

What are the most popular airlines that fly from Washington, D.C. to St. Louis?

What are the most reliable airlines from Washington, D.C. to St. Louis?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to St. Louis on time: Republic Airways (100%), CommutAir (97%), Lufthansa (93%).

What are the cheapest flights from Washington, D.C. to St. Louis?

The cheapest flight price from Washington, D.C. to St. Louis is $161. On average you can expect to pay $453. The most popular route, (Washington, D.C. Reagan-National - Lambert-St Louis), can usually be booked for $138.

What does IAD to STL mean?

This is defined as Washington, D.C. Dulles Intl Airport (IAD) and Lambert-St Louis Airport (STL). Codes like Lambert-St Louis Airport are often used to just call airports uniquely. 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: Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA).

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