Airlines with flights from Saint Louis to Phoenix

There are five airlines with scheduled flights between STL and PHX. Both Southwest and American Airlines operates non-stop flights from Saint Louis Airport to Phoenix Sky Harbor International and the flight time is 3 hours and 20 minutes.

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Direct

$Southwest Airlines from {( $airportFrom->city_name }} to Phoenix$

Non-stop

3h 20min

Direct

$American Airlines from {( $airportFrom->city_name }} to Phoenix$

Non-stop

3h 24min

Via Kansas City

4h 30min

Via Denver

4h 50min

Via Dallas

4h 50min

Via Dallas

5h 0min

Via San Antonio

5h 0min

Via Denver

5h 5min

Via Austin

5h 5min

Via Omaha

5h 10min

Via Las Vegas

5h 20min

Via Houston

5h 20min

Via Denver

5h 21min

Via Chicago

5h 25min

Via Salt Lake City

5h 30min

Via Minneapolis

5h 30min

Via Minneapolis

5h 34min

Via Nashville

5h 35min

Via Milwaukee

5h 40min

Via Chicago

5h 45min

Via Dallas

5h 45min

Via Houston

5h 55min

Via San Diego

5h 55min

Via Las Vegas

5h 57min

Via Chicago

6h 10min

Via Salt Lake City

6h 15min

Starts 06/08

Via Ontario

8h 55min

Schedules

Non-stop with Southwest Airlines

Total flight time: 3 hours and 20 minutes
Low-cost airline
Phoenix is a Southwest Airlines focus city (Operating base ).

36 flights per week
Boeing 737-800 (winglets) Passenger/BBJ2

Boeing 737-700 Passenger (Scimitar Winglets)

Boeing 737MAX 8 Passenger

STL

Direct

PHX

Flight

Mon

Jun 15

Tue

Jun 16

Wed

Jun 17

Thu

Jun 18

Fri

Jun 19

Sat

Jun 20

Sun

Jun 21

WN3967

05:45

06:10

05:45

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WN143

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08:20

WN3968

13:20

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13:20

09:45

13:50

WN170

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13:40

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WN4615

19:20

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19:20

16:55

18:05

WN3306

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18:20

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WN4360

21:45

21:15

21:45

20:45

21:45

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

Non-stop with American Airlines

Total flight time: 3 hours and 24 minutes
One World Alliance
Phoenix is a American Airlines hub.

11 flights per week
Boeing 737-800 Passenger

Airbus A320
First class available

STL

Direct

PHX

Flight

Mon

Jun 15

Tue

Jun 16

Wed

Jun 17

Thu

Jun 18

Fri

Jun 19

Sat

Jun 20

Sun

Jun 21

AA2574

08:00

AA3179

14:37

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14:37

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14:37

SHOW RETURN SCHEDULE

CLOSE RETURN SCHEDULE

CHECK PRICES FOR STL - PHX

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

Via Kansas City with Southwest Airlines

Total flight time: 4h 30m - 7h 40m.
Low-cost airline
Phoenix is a Southwest Airlines focus city (Operating base ).

69 flights per week
Boeing 737-800 (winglets) Passenger/BBJ2

Boeing 737-700 Passenger (Scimitar Winglets)

Boeing 737MAX 8 Passenger

STL

Via MCI

PHX

Flight

Mon

Jun 15

Tue

Jun 16

Wed

Jun 17

Thu

Jun 18

Fri

Jun 19

Sat

Jun 20

Sun

Jun 21

WN3943
WN4651

08:10

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