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Pittsburgh → Saint Louis

Dec 23, 2026 · return Dec 26, 2026

PIT → STL1 adulteconomyRound trip

8 flight options · 4 airlines

Nonstop flights

Wed, Dec 23 – Sat, Dec 26

Southwest Airlines
8:15 pmPIT
1h 45m
Nonstop
9:00 pmSTL
Southwest Airlines
9:50 amSTL
1h 35m
Nonstop
12:25 pmPIT

Round-trip total · 1 adult · Taxes included

Wed, Dec 23 – Sat, Dec 26

Southwest Airlines
6:50 amPIT
1h 50m
Nonstop
7:40 amSTL
Southwest Airlines
9:50 amSTL
1h 35m
Nonstop
12:25 pmPIT

Round-trip total · 1 adult · Taxes included

One-stop flights

Wed, Dec 23 – Sat, Dec 26

Delta Air Lines
6:10 amPIT
4h 55m
DTW · 1h 49m
10:05 amSTL
Southwest Airlines
9:50 amSTL
1h 35m
Nonstop
12:25 pmPIT

Round-trip total · 1 adult · Taxes included

Wed, Dec 23 – Sat, Dec 26

American Airlines
4:03 pmPIT
4h 19m
ORD · 1h 9m
7:22 pmSTL
American Airlines
5:19 pmSTL
5h 25m
ORD · 2h 1m
11:44 pmPIT

Round-trip total · 1 adult · Taxes included

Wed, Dec 23 – Sat, Dec 26

United Airlines
3:15 pmPIT
5h 20m
IAD · 1h 40m
7:35 pmSTL
United Airlines
6:55 pmSTL
4h 4m
ORD · 1h 3m
11:59 pmPIT

Round-trip total · 1 adult · Taxes included

Wed, Dec 23 – Sat, Dec 26

Southwest Airlines
8:25 amPIT
5h 15m
MDW · 2h 30m
12:40 pmSTL
Southwest Airlines
9:50 amSTL
1h 35m
Nonstop
12:25 pmPIT

Round-trip total · 1 adult · Taxes included

Wed, Dec 23 – Sat, Dec 26

American Airlines
7:15 pmPIT
5h 43m
CLT · 2h 6m
11:58 pmSTL
American Airlines
5:19 pmSTL
5h 25m
ORD · 2h 1m
11:44 pmPIT

Round-trip total · 1 adult · Taxes included

Wed, Dec 23 – Sat, Dec 26

United Airlines
7:25 pmPIT
4h 34m
ORD · 1h 25m
10:59 pmSTL
United Airlines
6:55 pmSTL
4h 4m
ORD · 1h 3m
11:59 pmPIT

Round-trip total · 1 adult · Taxes included

Make this trip yours

PIT ⇄ STL

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)
2026-12-23 → 2026-12-26Southwest AirlinesWN3562 / WN4930$377.002026-10-29T01:57:14Z
2026-12-23 → 2026-12-26Delta Air Lines / Southwest AirlinesDL3857 + DL5395 / WN4930$412.752026-10-29T01:57:14Z
2026-12-23 → 2026-12-26American AirlinesAA3239 + AA772 / AA6306 + AA4363$416.002026-10-29T01:57:14Z
2026-12-23 → 2026-12-26United AirlinesUA1317 + UA4527 / UA4397 + UA3464$429.002026-10-29T01:57:14Z
2026-12-23 → 2026-12-26Southwest AirlinesWN3561 / WN4930$377.002026-10-29T01:57:14Z
2026-12-23 → 2026-12-26Southwest AirlinesWN2313 + WN2737 / WN4930$390.002026-10-29T01:57:14Z
2026-12-23 → 2026-12-26American AirlinesAA3241 + AA2562 / AA6306 + AA4363$416.002026-10-29T01:57:14Z
2026-12-23 → 2026-12-26United AirlinesUA3591 + UA1114 / UA4397 + UA3464$429.002026-10-29T01:57:14Z

2026-12-23 → 2026-12-26 · $377.00

  • Southwest Airlines WN3562: PIT 2026-12-23 20:15:00 → STL 2026-12-23 21:00:00; nonstop; 105 minutes. Local airport times.
  • Southwest Airlines WN4930: STL 2026-12-26 09:50:00 → PIT 2026-12-26 12:25:00; nonstop; 95 minutes. Local airport times.

2026-12-23 → 2026-12-26 · $412.75

  • Delta Air Lines DL3857 / DL5395: PIT 2026-12-23 06:10:00 → STL 2026-12-23 10:05:00; 1 stop(s) via DTW; 295 minutes. Local airport times.
    • DL3857: PIT 2026-12-23 06:10:00 → DTW 2026-12-23 07:26:00; layover at DTW: 109 minutes.
    • DL5395: DTW 2026-12-23 09:15:00 → STL 2026-12-23 10:05:00.
  • Southwest Airlines WN4930: STL 2026-12-26 09:50:00 → PIT 2026-12-26 12:25:00; nonstop; 95 minutes. Local airport times.

2026-12-23 → 2026-12-26 · $416.00

  • American Airlines AA3239 / AA772: PIT 2026-12-23 16:03:00 → STL 2026-12-23 19:22:00; 1 stop(s) via ORD; 259 minutes. Local airport times.
    • AA3239: PIT 2026-12-23 16:03:00 → ORD 2026-12-23 16:54:00; layover at ORD: 69 minutes.
    • AA772: ORD 2026-12-23 18:03:00 → STL 2026-12-23 19:22:00.
  • American Airlines AA6306 / AA4363: STL 2026-12-26 17:19:00 → PIT 2026-12-26 23:44:00; 1 stop(s) via ORD; 325 minutes. Local airport times.
    • AA6306: STL 2026-12-26 17:19:00 → ORD 2026-12-26 18:59:00; layover at ORD: 121 minutes.
    • AA4363: ORD 2026-12-26 21:00:00 → PIT 2026-12-26 23:44:00.

2026-12-23 → 2026-12-26 · $429.00

  • United Airlines UA1317 / UA4527: PIT 2026-12-23 15:15:00 → STL 2026-12-23 19:35:00; 1 stop(s) via IAD; 320 minutes. Local airport times.
    • UA1317: PIT 2026-12-23 15:15:00 → IAD 2026-12-23 16:20:00; layover at IAD: 100 minutes.
    • UA4527: IAD 2026-12-23 18:00:00 → STL 2026-12-23 19:35:00.
  • United Airlines UA4397 / UA3464: STL 2026-12-26 18:55:00 → PIT 2026-12-26 23:59:00; 1 stop(s) via ORD; 244 minutes. Local airport times.
    • UA4397: STL 2026-12-26 18:55:00 → ORD 2026-12-26 20:25:00; layover at ORD: 63 minutes.
    • UA3464: ORD 2026-12-26 21:28:00 → PIT 2026-12-26 23:59:00.

2026-12-23 → 2026-12-26 · $377.00

  • Southwest Airlines WN3561: PIT 2026-12-23 06:50:00 → STL 2026-12-23 07:40:00; nonstop; 110 minutes. Local airport times.
  • Southwest Airlines WN4930: STL 2026-12-26 09:50:00 → PIT 2026-12-26 12:25:00; nonstop; 95 minutes. Local airport times.

2026-12-23 → 2026-12-26 · $390.00

  • Southwest Airlines WN2313 / WN2737: PIT 2026-12-23 08:25:00 → STL 2026-12-23 12:40:00; 1 stop(s) via MDW; 315 minutes. Local airport times.
    • WN2313: PIT 2026-12-23 08:25:00 → MDW 2026-12-23 09:00:00; layover at MDW: 150 minutes.
    • WN2737: MDW 2026-12-23 11:30:00 → STL 2026-12-23 12:40:00.
  • Southwest Airlines WN4930: STL 2026-12-26 09:50:00 → PIT 2026-12-26 12:25:00; nonstop; 95 minutes. Local airport times.

2026-12-23 → 2026-12-26 · $416.00

  • American Airlines AA3241 / AA2562: PIT 2026-12-23 19:15:00 → STL 2026-12-23 23:58:00; 1 stop(s) via CLT; 343 minutes. Local airport times.
    • AA3241: PIT 2026-12-23 19:15:00 → CLT 2026-12-23 20:45:00; layover at CLT: 126 minutes.
    • AA2562: CLT 2026-12-23 22:51:00 → STL 2026-12-23 23:58:00.
  • American Airlines AA6306 / AA4363: STL 2026-12-26 17:19:00 → PIT 2026-12-26 23:44:00; 1 stop(s) via ORD; 325 minutes. Local airport times.
    • AA6306: STL 2026-12-26 17:19:00 → ORD 2026-12-26 18:59:00; layover at ORD: 121 minutes.
    • AA4363: ORD 2026-12-26 21:00:00 → PIT 2026-12-26 23:44:00.

2026-12-23 → 2026-12-26 · $429.00

  • United Airlines UA3591 / UA1114: PIT 2026-12-23 19:25:00 → STL 2026-12-23 22:59:00; 1 stop(s) via ORD; 274 minutes. Local airport times.
    • UA3591: PIT 2026-12-23 19:25:00 → ORD 2026-12-23 20:20:00; layover at ORD: 85 minutes.
    • UA1114: ORD 2026-12-23 21:45:00 → STL 2026-12-23 22:59:00.
  • United Airlines UA4397 / UA3464: STL 2026-12-26 18:55:00 → PIT 2026-12-26 23:59:00; 1 stop(s) via ORD; 244 minutes. Local airport times.
    • UA4397: STL 2026-12-26 18:55:00 → ORD 2026-12-26 20:25:00; layover at ORD: 63 minutes.
    • UA3464: ORD 2026-12-26 21:28:00 → PIT 2026-12-26 23:59:00.

More dates for this route