Airlines with flights from Phoenix to Saint Louis

There are five airlines with scheduled flights between PHX and STL. Both Southwest and American Airlines operates non-stop flights from Phoenix Sky Harbor International to Saint Louis Airport and the flight time is 2 hours and 50 minutes.

Choose airline

Schedules

Southwest Airlines

Non-stop with Southwest Airlines

  • Total flight time: 2 hours and 50 minutes
  • Low-cost airline
  • Phoenix is a Southwest Airlines focus city (Operating base ).
  • 37 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
PHX
Direct
STL
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN3352
05:00
05:00
05:00
05:00
05:00
05:15
05:00
WN1467
08:40
07:25
07:25
08:40
08:40
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07:15
WN3571
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13:05
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WN3353
16:40
13:30
13:30
16:40
16:40
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WN765
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14:15
WN878
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18:35
18:35
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WN3280
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20:00
WN1747
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20:05
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WN3354
20:55
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20:55
20:55
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SHOW RETURN SCHEDULE
CHECK PRICES FOR PHX - STL

The timetable & schedule information was updated at 2026-04-21

American Airlines

Non-stop with American Airlines

  • Total flight time: 3 hours and 6 minutes
  • One World Alliance
  • Phoenix is a American Airlines hub.
  • 11 flights per week
  • Airbus A320
    Boeing 737-800 Passenger
  • First class available
PHX
Direct
STL

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Kansas City with Southwest Airlines

  • Total flight time: 4h 20m - 6h 30m.
  • Low-cost airline
  • Phoenix is a Southwest Airlines focus city (Operating base ).
  • 70 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
PHX
 
Via MCI
 
STL
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN1733
WN2083
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07:00
WN3290
WN286
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08:00
08:00
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WN3202
WN1031
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09:30
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WN403
WN4341
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10:40
10:40
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WN5083
WN3009
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12:05
SHOW RETURN SCHEDULE
CHECK PRICES FOR PHX - STL

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Denver with Southwest Airlines

  • Total flight time: 4h 30m - 8h 55m.
  • Low-cost airline
  • Phoenix is a Southwest Airlines focus city (Operating base ).
  • 366 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
PHX
 
Via DEN
 
STL
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN3259
WN1753
05:10
05:15
05:15
05:10
05:10
05:00
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WN3259
WN681
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06:05
WN1706
WN1753
06:15
06:40
06:40
06:15
06:15
06:15
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WN116
WN3152
07:05
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07:05
07:05
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WN297
WN5066
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07:05
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WN3261
WN3152
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09:05
09:05
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07:15
WN240
WN3152
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07:30
07:30
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WN28
WN3152
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08:45
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WN4058
WN556
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09:30
WN3263
WN4213
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10:45
10:45
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WN3262
WN64
11:05
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11:05
11:05
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WN1478
WN1718
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11:25
WN3263
WN64
11:55
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11:55
11:55
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WN2492
WN4213
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12:05
12:05
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WN2492
WN1756
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12:35
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WN1382
WN1756
13:15
12:50
12:50
13:15
13:15
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WN1599
WN1756
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13:25
13:25
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13:05
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WN670
WN1758
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13:25
WN1599
WN1758
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13:35
WN3264
WN1756
13:45
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13:45
13:45
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WN3265
WN1756
15:25
14:15
14:15
15:25
15:25
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WN2886
WN1758
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14:40
WN3265
WN1133
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14:55
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WN882
WN1133
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15:25
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WN882
WN3317
15:50
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15:50
15:50
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WN588
WN1133
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16:05
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WN3206
WN3317
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16:15
WN2073
WN1324
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16:30
16:30
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WN4758
WN3317
17:10
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17:10
17:10
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SHOW RETURN SCHEDULE
CHECK PRICES FOR PHX - STL

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Omaha with Southwest Airlines

  • Total flight time: 4h 30m - 6h 45m.
  • Low-cost airline
  • Phoenix is a Southwest Airlines focus city (Operating base ).
  • 43 flights per week
  • Boeing 737-800 (winglets) Passenger/BBJ2
    Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
PHX
 
Via OMA
 
STL

The timetable & schedule information was updated at 2026-04-21

United Airlines

Via Denver with United Airlines

  • Total flight time: 4h 36m - 6h 54m.
  • 160 flights per week
PHX
 
Via DEN
 
STL

The timetable & schedule information was updated at 2026-04-21

Staying up-to-date with the airlines

At Airlineinformation.com you can learn all about the airlines operating around the world together with their destinations and where they operate. You will get a transparent overview of airlines with scheduled flights between any two destinations with non-stop or 1-stop flights regardless of price or availability.
Flight data on this page was last updated on 2026-06-02