American Airlines
Oneworld
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United States
Ronald Reagan Washington National Airport
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United States
Lambert-Saint Louis International Airport
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Scan through all non-stop flights from Washington to St. Louis. The full flight schedule below gives an overview of all non-stop flights from DCA to STL, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
St. Louis is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.
You can visit St. Louis any time of the year, but the best months to explore are from to and from to .
In total there are 2 airlines operating nonstop flights from Washington DCA to St. Louis STL. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their DCA STL flight schedule.
Flights from DCA to STL are operated 21 times a week, with an average of 3 flights per day. Departure times vary between 06:55 - 20:41. The earliest flight departs at 06:55, the last flight departs at 20:41. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Washington to St. Louis takes 2 hours and 18 minutes. The flight distance between Washington and St. Louis is 716 miles (or 1,152 km).
There is 1 airport in St. Louis: Lambert-Saint Louis International Airport (STL).
There are 21 flights per week flying from Washington to St. Louis (as of March 2026).
2 hours and 18 minutes is the average flight time from Washington to St. Louis.
The distance from Washington to St. Louis is 716 miles (1,152 kilometers).
American Airlines and Southwest Airlines are flying nonstop from Washington to St. Louis.
Oneworld is currently the only alliance flying nonstop from Washington to St. Louis.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Washington to St. Louis:
The earliest flight departs at 06:55 from Washington and arrives at 08:25 at St. Louis.
The latest flight departs at 20:41 from Washington and arrives at 22:07 at St. Louis.
716 miles (1,152 km) · 2h 18m
07:30
09:06
American Airlines
Oneworld
AA 5677
American Airlines
Canadair Regional Jet 700
Y
W
J
F
08:00
09:30
Southwest Airlines
WN 3151
Southwest Airlines
Boeing 757
Y
W
J
F
08:05
09:35
Southwest Airlines
WN 3151
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
12:00
13:25
Southwest Airlines
WN 2411
Southwest Airlines
Boeing 757
Y
W
J
F
12:00
13:25
Southwest Airlines
WN 2411
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
13:44
15:18
American Airlines
Oneworld
AA 5398
American Airlines
Canadair Regional Jet 700
Y
W
J
F
13:45
15:19
American Airlines
Oneworld
AA 5398
American Airlines
Canadair Regional Jet 700
Y
W
J
F
15:10
16:40
Southwest Airlines
WN 2359
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
15:25
17:00
Southwest Airlines
WN 2359
Southwest Airlines
Boeing 757
Y
W
J
F
15:40
17:10
Southwest Airlines
WN 2359
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
18:00
19:30
Southwest Airlines
WN 2359
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
18:45
20:10
Southwest Airlines
WN 1972
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
18:55
20:20
Southwest Airlines
WN 4075
Southwest Airlines
Boeing 757
Y
W
J
F
18:55
20:20
Southwest Airlines
WN 4075
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
19:59
21:34
American Airlines
Oneworld
AA 5269
American Airlines
Canadair Regional Jet 900
Y
W
J
F
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