Southwest Airlines
Did you mean flights from St. Louis to Philadelphia?
United States
Philadelphia International Airport
Switch direction
United States
Lambert-Saint Louis International Airport
Click to show full flight schedule
Scan through all non-stop flights from Philadelphia to St. Louis. The full flight schedule below gives an overview of all non-stop flights from PHL 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 Philadelphia PHL 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 PHL STL flight schedule.
Flights from PHL to STL are operated 30 times a week, with an average of 4 flights per day. Departure times vary between 06:00 - 22:24. The earliest flight departs at 06:00, the last flight departs at 22:24. 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 Philadelphia to St. Louis takes 2 hours and 43 minutes. The flight distance between Philadelphia and St. Louis is 811 miles (or 1,305 km).
There is 1 airport in St. Louis: Lambert-Saint Louis International Airport (STL).
There are 30 flights per week flying from Philadelphia to St. Louis (as of April 2026).
2 hours and 43 minutes is the average flight time from Philadelphia to St. Louis.
The distance from Philadelphia to St. Louis is 811 miles (1,305 kilometers).
American Airlines and Southwest Airlines are flying nonstop from Philadelphia to St. Louis.
Oneworld is currently the only alliance flying nonstop from Philadelphia to St. Louis.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Philadelphia to St. Louis:
The earliest flight departs at 06:00 from Philadelphia and arrives at 07:35 at St. Louis.
The latest flight departs at 22:24 from Philadelphia and arrives at 23:59 at St. Louis.
811 miles (1,305 km) · 2h 43m
06:00
07:35
Southwest Airlines
WN 1297
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
06:10
07:35
Southwest Airlines
WN 4952
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
06:15
07:45
Southwest Airlines
WN 1297
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
06:15
07:45
Southwest Airlines
WN 1297
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
06:15
07:40
Southwest Airlines
WN 4952
Southwest Airlines
Boeing 757
Y
W
J
F
06:20
07:45
Southwest Airlines
WN 4401
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
10:36
12:18
American Airlines
Oneworld
AA 3130
American Airlines
Airbus A319
Y
W
J
F
10:54
12:35
American Airlines
Oneworld
AA 4640
American Airlines
Embraer 175
Y
W
J
F
11:06
12:48
American Airlines
Oneworld
AA 3130
American Airlines
Airbus A319
Y
W
J
F
11:11
12:44
American Airlines
Oneworld
AA 3162
American Airlines
Airbus A319
Y
W
J
F
12:20
13:45
Southwest Airlines
WN 3725
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
12:25
13:50
Southwest Airlines
WN 4952
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
17:40
19:26
American Airlines
Oneworld
AA 1368
American Airlines
Airbus A319
Y
W
J
F
17:40
19:27
American Airlines
Oneworld
AA 1368
American Airlines
Airbus A319
Y
W
J
F
17:44
19:29
American Airlines
Oneworld
AA 1368
American Airlines
Airbus A319
Y
W
J
F
17:44
19:29
American Airlines
Oneworld
AA 1368
American Airlines
Airbus A319
Y
W
J
F
18:35
20:00
Southwest Airlines
WN 668
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
19:10
20:50
Southwest Airlines
WN 4174
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
19:10
20:50
Southwest Airlines
WN 668
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
19:15
20:55
Southwest Airlines
WN 4174
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
19:30
21:10
Southwest Airlines
WN 668
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
21:18
23:02
American Airlines
Oneworld
AA 5623
American Airlines
Canadair Regional Jet 900
Y
W
J
F
21:20
22:52
American Airlines
Oneworld
AA 2036
American Airlines
Airbus A319
Y
W
J
F
Click to Check Prices