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Cheap flights from Washington to St Louis

34 nonstop flights a week, 4 of them today. Operated by 3 airlines, about 2h 30m in the air, 709 mi (1,141 km).

Flights from Washington to St Louis

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

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Washington to St Louis at a glance

flight time, from 2h 10m to 13h 5m
2h 30m
straight-line distance
709 mi (1,141 km)
flights a week
34
flights today
4
first and last departure
06:15 - 08:40
airlines
3

Washington to St Louis flight schedule

34 flights a week, 4 today, 65 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
WN 1169
Southwest Airlines
06:15 Baltimore/Wash International Thurgood Marshall
07:40 Lambert-St. Louis International, terminal 2
2h 25m
Mon, Tue, Wed, Thu
Boeing 737
WN 1169
Southwest Airlines
06:40 Baltimore/Wash International Thurgood Marshall
08:10 Lambert-St. Louis International, terminal 2
2h 30m
Mon, Thu, Fri, Sun
Boeing 737-800
WN 1316
Southwest Airlines
07:05 Baltimore/Wash International Thurgood Marshall
19:10 Lambert-St. Louis International, terminal 2
13h 5m
Mon, Thu, Fri, Sun
WN 1169
Southwest Airlines
07:55 Baltimore/Wash International Thurgood Marshall
09:20 Lambert-St. Louis International, terminal 2
2h 25m
Sat
AA 4458
American Airlines
08:11 Ronald Reagan National, terminal 2
09:55 Lambert-St. Louis International, terminal 1
2h 44m
Mon, Wed, Thu, Fri, Sun
Embraer EMB 175
AA 4458
American Airlines
08:19 Ronald Reagan National, terminal 2
10:03 Lambert-St. Louis International, terminal 1
2h 44m
Tue
Embraer EMB 175
AA 4458
American Airlines
08:20 Ronald Reagan National, terminal 2
10:08 Lambert-St. Louis International, terminal 1
2h 48m
Mon, Thu, Fri, Sun
Embraer EMB 175
AA 4458
American Airlines
08:24 Ronald Reagan National, terminal 2
09:59 Lambert-St. Louis International, terminal 1
2h 35m
Sat
Embraer EMB 175
WN 1542
Southwest Airlines
08:25 Ronald Reagan National, terminal 1
09:55 Lambert-St. Louis International, terminal 2
2h 30m
Sat
Boeing 737
WN 2729
Southwest Airlines
08:25 Ronald Reagan National, terminal 1
09:55 Lambert-St. Louis International, terminal 2
2h 30m
Mon, Tue, Wed, Thu
Boeing 737
WN 287
Southwest Airlines
08:25 Ronald Reagan National, terminal 1
09:55 Lambert-St. Louis International, terminal 2
2h 30m
Mon, Thu, Fri, Sun
UA 4427
United Airlines
08:40 Washington Dulles International
10:12 Lambert-St. Louis International, terminal 1
2h 32m
Daily

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 1169
Southwest Airlines
06:20 Baltimore/Wash International Thurgood Marshall
07:45 Lambert-St. Louis International, terminal 2
2h 25m
Seasonal
Boeing 737
WN 1545
Southwest Airlines
08:25 Ronald Reagan National, terminal 1
09:55 Lambert-St. Louis International, terminal 2
2h 30m
Seasonal
WN 1546
Southwest Airlines
12:00 Ronald Reagan National, terminal 1
13:25 Lambert-St. Louis International, terminal 2
2h 25m
Seasonal
Boeing 737
WN 974
Southwest Airlines
07:25 Ronald Reagan National, terminal 1
08:50 Lambert-St. Louis International, terminal 2
2h 25m
Seasonal
Boeing 737
AA 4392
American Airlines
10:59 Ronald Reagan National, terminal 2
12:38 Lambert-St. Louis International, terminal 1
2h 39m
Seasonal
Embraer EMB 175
AA 4458
American Airlines
09:05 Ronald Reagan National, terminal 2
10:44 Lambert-St. Louis International, terminal 1
2h 39m
Seasonal
Embraer EMB 175
WN 1169
Southwest Airlines
08:10 Baltimore/Wash International Thurgood Marshall
09:40 Lambert-St. Louis International, terminal 2
2h 30m
Seasonal
Boeing 737
WN 379
Southwest Airlines
08:25 Ronald Reagan National, terminal 1
09:55 Lambert-St. Louis International, terminal 2
2h 30m
Seasonal
Boeing 737
WN 645
Southwest Airlines
11:00 Baltimore/Wash International Thurgood Marshall
12:25 Lambert-St. Louis International, terminal 2
2h 25m
Seasonal
UA 4427
United Airlines
08:30 Washington Dulles International
10:03 Lambert-St. Louis International, terminal 1
2h 33m
Seasonal
WN 1169
Southwest Airlines
06:25 Baltimore/Wash International Thurgood Marshall
07:55 Lambert-St. Louis International, terminal 2
2h 30m
Seasonal
Boeing 737
AA 4641
American Airlines
08:19 Ronald Reagan National, terminal 2
10:02 Lambert-St. Louis International, terminal 1
2h 43m
Seasonal
Embraer EMB 175
UA 4427
United Airlines
08:32 Washington Dulles International
10:05 Lambert-St. Louis International, terminal 1
2h 33m
Seasonal
AA 4641
American Airlines
08:04 Ronald Reagan National, terminal 2
09:47 Lambert-St. Louis International, terminal 1
2h 43m
Seasonal
Embraer EMB 175
AA 4641
American Airlines
08:14 Ronald Reagan National, terminal 2
09:57 Lambert-St. Louis International, terminal 1
2h 43m
Seasonal
Embraer EMB 175
AA 4641
American Airlines
07:59 Ronald Reagan National, terminal 2
09:42 Lambert-St. Louis International, terminal 1
2h 43m
Seasonal
Embraer EMB 175
AA 4641
American Airlines
07:44 Ronald Reagan National, terminal 2
09:27 Lambert-St. Louis International, terminal 1
2h 43m
Seasonal
Embraer EMB 175
AA 4641
American Airlines
08:09 Ronald Reagan National, terminal 2
09:52 Lambert-St. Louis International, terminal 1
2h 43m
Seasonal
Embraer EMB 175
AA 1542
American Airlines
11:38 Ronald Reagan National, terminal 2
13:13 Lambert-St. Louis International, terminal 1
2h 35m
Seasonal
Airbus A319
AA 4641
American Airlines
08:05 Ronald Reagan National, terminal 2
09:48 Lambert-St. Louis International, terminal 1
2h 43m
Seasonal
Embraer EMB 175
UA 4427
United Airlines
08:35 Washington Dulles International
10:08 Lambert-St. Louis International, terminal 1
2h 33m
Seasonal
WN 1017
Southwest Airlines
06:10 Baltimore/Wash International Thurgood Marshall
07:40 Lambert-St. Louis International, terminal 2
2h 30m
Seasonal
AA 4458
American Airlines
08:23 Ronald Reagan National, terminal 2
10:12 Lambert-St. Louis International, terminal 1
2h 49m
Seasonal
Embraer EMB 175
WN 1375
Southwest Airlines
08:25 Ronald Reagan National, terminal 1
10:10 Lambert-St. Louis International, terminal 2
2h 45m
Seasonal
WN 442
Southwest Airlines
10:45 Baltimore/Wash International Thurgood Marshall
12:20 Lambert-St. Louis International, terminal 2
2h 35m
Seasonal
WN 392
Southwest Airlines
11:10 Baltimore/Wash International Thurgood Marshall
16:35 Lambert-St. Louis International, terminal 2
6h 25m
Seasonal
WN 1017
Southwest Airlines
06:45 Baltimore/Wash International Thurgood Marshall
08:15 Lambert-St. Louis International, terminal 2
2h 30m
Seasonal
Boeing 737
WN 2536
Southwest Airlines
08:15 Baltimore/Wash International Thurgood Marshall
11:55 Lambert-St. Louis International, terminal 2
4h 40m
Seasonal
Boeing 737
WN 1375
Southwest Airlines
08:20 Ronald Reagan National, terminal 1
10:05 Lambert-St. Louis International, terminal 2
2h 45m
Seasonal
Boeing 737
WN 435
Southwest Airlines
08:05 Baltimore/Wash International Thurgood Marshall
09:30 Lambert-St. Louis International, terminal 2
2h 25m
Seasonal
Boeing 737-800
WN 2721
Southwest Airlines
08:15 Ronald Reagan National, terminal 1
09:55 Lambert-St. Louis International, terminal 2
2h 40m
Seasonal
AA 4458
American Airlines
08:16 Ronald Reagan National, terminal 2
10:00 Lambert-St. Louis International, terminal 1
2h 44m
Seasonal
Embraer EMB 175
UA 4427
United Airlines
08:20 Washington Dulles International
09:48 Lambert-St. Louis International, terminal 1
2h 28m
Seasonal
WN 435
Southwest Airlines
11:45 Baltimore/Wash International Thurgood Marshall
13:05 Lambert-St. Louis International, terminal 2
2h 20m
Seasonal
WN 1096
Southwest Airlines
06:25 Baltimore/Wash International Thurgood Marshall
07:50 Lambert-St. Louis International, terminal 2
2h 25m
Seasonal
Boeing 737
WN 1138
Southwest Airlines
08:10 Baltimore/Wash International Thurgood Marshall
11:35 Lambert-St. Louis International, terminal 2
4h 25m
Seasonal
Boeing 737
WN 1472
Southwest Airlines
08:25 Ronald Reagan National, terminal 1
10:00 Lambert-St. Louis International, terminal 2
2h 35m
Seasonal
Boeing 737
WN 1454
Southwest Airlines
07:00 Baltimore/Wash International Thurgood Marshall
08:25 Lambert-St. Louis International, terminal 2
2h 25m
Seasonal
Boeing 737-800
WN 1472
Southwest Airlines
08:00 Ronald Reagan National, terminal 1
09:25 Lambert-St. Louis International, terminal 2
2h 25m
Seasonal
WN 2182
Southwest Airlines
06:10 Baltimore/Wash International Thurgood Marshall
07:35 Lambert-St. Louis International, terminal 2
2h 25m
Seasonal
WN 1376
Southwest Airlines
08:05 Ronald Reagan National, terminal 1
09:35 Lambert-St. Louis International, terminal 2
2h 30m
Seasonal
Boeing 737
WN 1096
Southwest Airlines
06:20 Baltimore/Wash International Thurgood Marshall
07:45 Lambert-St. Louis International, terminal 2
2h 25m
Seasonal
Boeing 737-800
WN 1138
Southwest Airlines
08:25 Baltimore/Wash International Thurgood Marshall
11:50 Lambert-St. Louis International, terminal 2
4h 25m
Seasonal
Boeing 737-800
WN 1118
Southwest Airlines
06:20 Baltimore/Wash International Thurgood Marshall
07:40 Lambert-St. Louis International, terminal 2
2h 20m
Seasonal
Boeing 737
AA 5454
American Airlines
08:04 Ronald Reagan National, terminal 2
09:30 Lambert-St. Louis International, terminal 1
2h 26m
Seasonal
Canadair reg jet 700
WN 925
Southwest Airlines
08:10 Baltimore/Wash International Thurgood Marshall
11:30 Lambert-St. Louis International, terminal 2
4h 20m
Seasonal
WN 1474
Southwest Airlines
08:30 Ronald Reagan National, terminal 1
09:55 Lambert-St. Louis International, terminal 2
2h 25m
Seasonal
WN 2630
Southwest Airlines
09:20 Baltimore/Wash International Thurgood Marshall
10:40 Lambert-St. Louis International, terminal 2
2h 20m
Seasonal
Boeing 737
WN 1475
Southwest Airlines
12:00 Ronald Reagan National, terminal 1
13:20 Lambert-St. Louis International, terminal 2
2h 20m
Seasonal
WN 1474
Southwest Airlines
08:20 Ronald Reagan National, terminal 1
09:45 Lambert-St. Louis International, terminal 2
2h 25m
Seasonal
Boeing 737
WN 1119
Southwest Airlines
09:00 Baltimore/Wash International Thurgood Marshall
10:20 Lambert-St. Louis International, terminal 2
2h 20m
Seasonal
WN 1474
Southwest Airlines
08:15 Ronald Reagan National, terminal 1
09:40 Lambert-St. Louis International, terminal 2
2h 25m
Seasonal
WN 1118
Southwest Airlines
06:15 Baltimore/Wash International Thurgood Marshall
07:35 Lambert-St. Louis International, terminal 2
2h 20m
Seasonal
WN 1253
Southwest Airlines
07:00 Ronald Reagan National, terminal 1
13:15 Lambert-St. Louis International, terminal 2
7h 15m
Seasonal
AA 5454
American Airlines
08:27 Ronald Reagan National, terminal 2
09:59 Lambert-St. Louis International, terminal 1
2h 32m
Seasonal
Canadair Regional Jet 900
WN 931
Southwest Airlines
06:05 Baltimore/Wash International Thurgood Marshall
07:15 Lambert-St. Louis International, terminal 2
2h 10m
Seasonal
Boeing 737
WN 1767
Southwest Airlines
08:10 Ronald Reagan National, terminal 1
09:30 Lambert-St. Louis International, terminal 2
2h 20m
Seasonal
Boeing 737
WN 1436
Southwest Airlines
09:20 Baltimore/Wash International Thurgood Marshall
10:35 Lambert-St. Louis International, terminal 2
2h 15m
Seasonal
Boeing 737
WN 931
Southwest Airlines
06:15 Baltimore/Wash International Thurgood Marshall
07:30 Lambert-St. Louis International, terminal 2
2h 15m
Seasonal
WN 2661
Southwest Airlines
08:20 Ronald Reagan National, terminal 1
09:40 Lambert-St. Louis International, terminal 2
2h 20m
Seasonal
Boeing 737
WN 1767
Southwest Airlines
08:20 Ronald Reagan National, terminal 1
09:40 Lambert-St. Louis International, terminal 2
2h 20m
Seasonal
Boeing 737
WN 1436
Southwest Airlines
09:40 Baltimore/Wash International Thurgood Marshall
10:55 Lambert-St. Louis International, terminal 2
2h 15m
Seasonal
WN 2344
Southwest Airlines
10:40 Ronald Reagan National, terminal 1
11:55 Lambert-St. Louis International, terminal 2
2h 15m
Seasonal
Boeing 737
AA 5454
American Airlines
08:35 Ronald Reagan National, terminal 2
10:01 Lambert-St. Louis International, terminal 1
2h 26m
Seasonal
Canadair Regional Jet 900
AA 4362
American Airlines
08:40 Ronald Reagan National, terminal 2
10:14 Lambert-St. Louis International, terminal 1
2h 34m
Seasonal
Embraer EMB 175

Days of the week are taken from the schedule for the next 14 days; schedules change by season. St Louis is 1 hour behind Washington. The search shows seat availability and the price for your date.

Airlines flying Washington to St Louis

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Southwest Airlines20 a week American Airlines7 a week United Airlines7 a week

Airports

Where flights from Washington to St Louis depart and land

Departure from Washington

Ronald Reagan National closest to the centreDCA

16 flights a week, terminals 1, 2, 3 mi (5 km) from the city centre

About the airport
Baltimore/Wash International Thurgood Marshall BWI

11 flights a week, 28 mi (45 km) from the city centre

About the airport
Washington Dulles International IAD

7 flights a week, 22 mi (36 km) from the city centre

About the airport

Arrival in St Louis

Lambert-St. Louis International STL

34 flights a week, terminals 1, 2, 12 mi (19 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from Washington to St Louis?
A nonstop flight takes 2 hours 30 minutes on average, from 2h 10m to 13h 5m depending on the flight.
How far is St Louis from Washington?
709 mi (1,141 km) in a straight line between the cities.
Which airlines fly nonstop from Washington to St Louis?
Southwest Airlines (20 a week), American Airlines (7 a week) and United Airlines (7 a week).
How many flights a day are there from Washington to St Louis?
4 flights today and 34 a week, about 4.9 a day on average.
When are the first and last flights from Washington to St Louis?
The first departure is at 06:15 (WN1169), the last at 08:40 (UA4427). Local time.
What is the time difference between Washington and St Louis?
St Louis is 1 hour behind Washington. Schedule times on this page are local to each airport.
Which Washington airport do flights to St Louis leave from?
Ronald Reagan National (16 a week), Baltimore/Wash International Thurgood Marshall (11 a week) and Washington Dulles International (7 a week).