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Saint Louis → Phoenix

Dec 4, 2026 · one way

STL → PHX1 adulteconomyOne way

10 flight options · 5 airlines

Nonstop flights

Fri, Dec 4 · One way

Southwest Airlines
1:50 pmSTL
3h 20m
Nonstop
4:10 pmPHX

One-way total · 1 adult · Taxes included

Fri, Dec 4 · One way

American Airlines
2:31 pmSTL
3h 30m
Nonstop
5:01 pmPHX

One-way total · 1 adult · Taxes included

Fri, Dec 4 · One way

Southwest Airlines
8:35 amSTL
3h 25m
Nonstop
11:00 amPHX

One-way total · 1 adult · Taxes included

Fri, Dec 4 · One way

American Airlines
7:55 amSTL
3h 39m
Nonstop
10:34 amPHX

One-way total · 1 adult · Taxes included

One-stop flights

Fri, Dec 4 · One way

Frontier Airlines
7:58 pmSTL
5h 51m
DEN · 1h 7m
12:49 am+1PHX

One-way total · 1 adult · Taxes included

Fri, Dec 4 · One way

United Airlines
2:25 pmSTL
6h 33m
DEN · 1h 41m
7:58 pmPHX

One-way total · 1 adult · Taxes included

Fri, Dec 4 · One way

Delta Air Lines
6:03 amSTL
6h 33m
MSP · 1h 18m
11:36 amPHX

One-way total · 1 adult · Taxes included

Fri, Dec 4 · One way

Southwest Airlines
5:05 amSTL
6h 35m
HOU · 1h 40m
10:40 amPHX

One-way total · 1 adult · Taxes included

Fri, Dec 4 · One way

Southwest Airlines
2:45 pmSTL
6h 25m
AUS · 1h 45m
8:10 pmPHX

One-way total · 1 adult · Taxes included

Fri, Dec 4 · One way

Southwest Airlines
7:10 pmSTL
5h 40m
DAL · 1h 20m
11:50 pmPHX

One-way total · 1 adult · Taxes included

Make this trip yours

STL ⇄ PHX

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-04 · one waySouthwest AirlinesWN4603$175.002026-10-29T01:28:56Z
2026-12-04 · one wayAmerican AirlinesAA2303$185.002026-10-29T01:28:56Z
2026-12-04 · one wayFrontier AirlinesF94567 + F94753$105.002026-10-29T01:28:56Z
2026-12-04 · one wayUnited AirlinesUA5939 + UA479$180.002026-10-29T01:28:56Z
2026-12-04 · one wayDelta Air LinesDL1597 + DL2208$190.002026-10-29T01:28:56Z
2026-12-04 · one waySouthwest AirlinesWN4187$175.002026-10-29T01:28:56Z
2026-12-04 · one wayAmerican AirlinesAA2574$185.002026-10-29T01:28:56Z
2026-12-04 · one waySouthwest AirlinesWN4149 + WN762$160.002026-10-29T01:28:56Z
2026-12-04 · one waySouthwest AirlinesWN4913 + WN1683$160.002026-10-29T01:28:56Z
2026-12-04 · one waySouthwest AirlinesWN4132 + WN1467$160.002026-10-29T01:28:56Z

2026-12-04 · one way · $175.00

  • Southwest Airlines WN4603: STL 2026-12-04 13:50:00 → PHX 2026-12-04 16:10:00; nonstop; 200 minutes. Local airport times.

2026-12-04 · one way · $185.00

  • American Airlines AA2303: STL 2026-12-04 14:31:00 → PHX 2026-12-04 17:01:00; nonstop; 210 minutes. Local airport times.

2026-12-04 · one way · $105.00

  • Frontier Airlines F94567 / F94753: STL 2026-12-04 19:58:00 → PHX 2026-12-05 00:49:00; 1 stop(s) via DEN; 351 minutes. Local airport times.
    • F94567: STL 2026-12-04 19:58:00 → DEN 2026-12-04 21:29:00; layover at DEN: 67 minutes.
    • F94753: DEN 2026-12-04 22:36:00 → PHX 2026-12-05 00:49:00.

2026-12-04 · one way · $180.00

  • United Airlines UA5939 / UA479: STL 2026-12-04 14:25:00 → PHX 2026-12-04 19:58:00; 1 stop(s) via DEN; 393 minutes. Local airport times.
    • UA5939: STL 2026-12-04 14:25:00 → DEN 2026-12-04 16:13:00; layover at DEN: 101 minutes.
    • UA479: DEN 2026-12-04 17:54:00 → PHX 2026-12-04 19:58:00.

2026-12-04 · one way · $190.00

  • Delta Air Lines DL1597 / DL2208: STL 2026-12-04 06:03:00 → PHX 2026-12-04 11:36:00; 1 stop(s) via MSP; 393 minutes. Local airport times.
    • DL1597: STL 2026-12-04 06:03:00 → MSP 2026-12-04 07:43:00; layover at MSP: 78 minutes.
    • DL2208: MSP 2026-12-04 09:01:00 → PHX 2026-12-04 11:36:00.

2026-12-04 · one way · $175.00

  • Southwest Airlines WN4187: STL 2026-12-04 08:35:00 → PHX 2026-12-04 11:00:00; nonstop; 205 minutes. Local airport times.

2026-12-04 · one way · $185.00

  • American Airlines AA2574: STL 2026-12-04 07:55:00 → PHX 2026-12-04 10:34:00; nonstop; 219 minutes. Local airport times.

2026-12-04 · one way · $160.00

  • Southwest Airlines WN4149 / WN762: STL 2026-12-04 05:05:00 → PHX 2026-12-04 10:40:00; 1 stop(s) via HOU; 395 minutes. Local airport times.
    • WN4149: STL 2026-12-04 05:05:00 → HOU 2026-12-04 07:10:00; layover at HOU: 100 minutes.
    • WN762: HOU 2026-12-04 08:50:00 → PHX 2026-12-04 10:40:00.

2026-12-04 · one way · $160.00

  • Southwest Airlines WN4913 / WN1683: STL 2026-12-04 14:45:00 → PHX 2026-12-04 20:10:00; 1 stop(s) via AUS; 385 minutes. Local airport times.
    • WN4913: STL 2026-12-04 14:45:00 → AUS 2026-12-04 16:50:00; layover at AUS: 105 minutes.
    • WN1683: AUS 2026-12-04 18:35:00 → PHX 2026-12-04 20:10:00.

2026-12-04 · one way · $160.00

  • Southwest Airlines WN4132 / WN1467: STL 2026-12-04 19:10:00 → PHX 2026-12-04 23:50:00; 1 stop(s) via DAL; 340 minutes. Local airport times.
    • WN4132: STL 2026-12-04 19:10:00 → DAL 2026-12-04 20:50:00; layover at DAL: 80 minutes.
    • WN1467: DAL 2026-12-04 22:10:00 → PHX 2026-12-04 23:50:00.

More dates for this route