Southwest Airlines
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United States
Phoenix Sky Harbor International Airport
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United States
Lambert-Saint Louis International Airport
Click to show full flight schedule
Scan through all non-stop flights from Phoenix to St. Louis. The full flight schedule below gives an overview of all non-stop flights from PHX 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 3 airlines operating nonstop flights from Phoenix PHX 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 PHX STL flight schedule.
Flights from PHX to STL are operated 48 times a week, with an average of 7 flights per day. Departure times vary between 05:00 - 21:05. The earliest flight departs at 05:00, the last flight departs at 21:05. 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 Phoenix to St. Louis takes 3 hours and 5 minutes. The flight distance between Phoenix and St. Louis is 1,258 miles (or 2,025 km).
There is 1 airport in St. Louis: Lambert-Saint Louis International Airport (STL).
There are 48 flights per week flying from Phoenix to St. Louis (as of April 2026).
3 hours and 5 minutes is the average flight time from Phoenix to St. Louis.
The distance from Phoenix to St. Louis is 1,258 miles (2,025 kilometers).
American Airlines, Frontier Airlines and Southwest Airlines are flying nonstop from Phoenix to St. Louis.
Oneworld is currently the only alliance flying nonstop from Phoenix to St. Louis.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Phoenix to St. Louis:
The earliest flight departs at 05:00 from Phoenix and arrives at 09:50 at St. Louis.
The latest flight departs at 21:05 from Phoenix and arrives at 01:55 at St. Louis.
1,258 miles (2,025 km) · 3h 5m
05:00
09:50
Southwest Airlines
WN 4273
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
05:00
09:50
Southwest Airlines
WN 4273
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
05:15
10:05
Southwest Airlines
WN 3183
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
05:30
10:20
Southwest Airlines
WN 4665
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
05:35
10:25
Southwest Airlines
WN 1680
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
05:55
10:40
Southwest Airlines
WN 4273
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
06:40
11:30
Southwest Airlines
WN 3183
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
07:10
12:00
Southwest Airlines
WN 3341
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
07:25
12:21
Frontier Airlines
F9 2076
Frontier Airlines
Airbus A320neo
Y
W
J
F
07:45
12:45
Southwest Airlines
WN 194
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
07:50
12:50
Southwest Airlines
WN 194
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
07:55
12:55
Southwest Airlines
WN 3904
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
08:10
13:15
Southwest Airlines
WN 3904
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
08:40
13:35
Southwest Airlines
WN 194
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
08:44
13:47
American Airlines
Oneworld
AA 2303
American Airlines
Airbus A319
Y
W
J
F
08:44
13:51
American Airlines
Oneworld
AA 890
American Airlines
Airbus A319
Y
W
J
F
08:44
13:51
American Airlines
Oneworld
AA 890
American Airlines
Airbus A320-100/200
Y
W
J
F
08:44
13:51
American Airlines
Oneworld
AA 890
American Airlines
Airbus A320-100/200
Y
W
J
F
08:44
13:51
American Airlines
Oneworld
AA 890
American Airlines
Airbus A319
Y
W
J
F
08:55
13:50
Southwest Airlines
WN 3904
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
10:05
15:00
Southwest Airlines
WN 1540
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
11:05
15:55
Southwest Airlines
WN 3516
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
11:10
16:00
Southwest Airlines
WN 1540
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
11:15
16:05
Southwest Airlines
WN 1540
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
11:20
16:10
Southwest Airlines
WN 1540
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
11:25
16:15
Southwest Airlines
WN 3516
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
12:05
16:55
Southwest Airlines
WN 3516
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
12:45
17:40
Southwest Airlines
WN 3516
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
13:10
18:00
Southwest Airlines
WN 1540
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
14:05
18:55
Southwest Airlines
WN 975
Southwest Airlines
Boeing 757
Y
W
J
F
14:05
18:55
Southwest Airlines
WN 975
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
14:05
18:55
Southwest Airlines
WN 975
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
14:10
19:05
Southwest Airlines
WN 2906
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
15:00
19:50
Southwest Airlines
WN 4702
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
16:10
21:05
Southwest Airlines
WN 2906
Southwest Airlines
Boeing 757
Y
W
J
F
16:15
21:05
Southwest Airlines
WN 4753
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
16:20
21:10
Southwest Airlines
WN 2906
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
16:45
21:35
Southwest Airlines
WN 975
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
16:55
21:45
Southwest Airlines
WN 4778
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
16:55
21:45
Southwest Airlines
WN 2906
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
18:20
23:15
Southwest Airlines
WN 1845
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
18:30
23:20
Southwest Airlines
WN 2648
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
18:55
23:59
American Airlines
Oneworld
AA 3415
American Airlines
Embraer 175
Y
W
J
F
19:01
23:59
American Airlines
Oneworld
AA 2043
American Airlines
Airbus A320-100/200
Y
W
J
F
19:40
00:30
Southwest Airlines
WN 1845
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
20:05
00:50
Southwest Airlines
WN 2648
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
20:25
01:15
Southwest Airlines
WN 1975
Southwest Airlines
Boeing 757
Y
W
J
F
20:40
01:30
Southwest Airlines
WN 2648
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
21:05
01:55
Southwest Airlines
WN 2648
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
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