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Pittsburgh → Saint Louis

Dec 24, 2026 · return Dec 29, 2026

PIT → STL1 adulteconomyRound trip

8 flight options · 4 airlines

Nonstop flights

Thu, Dec 24 – Tue, Dec 29

Southwest Airlines
6:50 amPIT
1h 55m
Nonstop
7:45 amSTL
Southwest Airlines
10:15 amSTL
1h 30m
Nonstop
12:45 pmPIT

Round-trip total · 1 adult · Taxes included

Thu, Dec 24 – Tue, Dec 29

Southwest Airlines
5:55 amPIT
2h
Nonstop
6:55 amSTL
Southwest Airlines
6:15 pmSTL
1h 40m
Nonstop
8:55 pmPIT

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Dec 24 – Tue, Dec 29

Delta Air Lines
6:10 amPIT
4h 55m
DTW · 1h 49m
10:05 amSTL
Southwest Airlines
10:15 amSTL
1h 30m
Nonstop
12:45 pmPIT

Round-trip total · 1 adult · Taxes included

Thu, Dec 24 – Tue, Dec 29

American Airlines
4:03 pmPIT
4h 19m
ORD · 1h 9m
7:22 pmSTL
American Airlines
11:09 amSTL
4h 51m
CLT · 1h 34m
5:00 pmPIT

Round-trip total · 1 adult · Taxes included

Thu, Dec 24 – Tue, Dec 29

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

Thu, Dec 24 – Tue, Dec 29

Southwest Airlines
6:50 amPIT
1h 50m
Nonstop
7:40 amSTL
Southwest Airlines
5:30 amSTL
3h 30m
MDW · 1h 5m
10:00 amPIT

Round-trip total · 1 adult · Taxes included

Thu, Dec 24 – Tue, Dec 29

Southwest Airlines
8:25 amPIT
5h 15m
MDW · 2h 30m
12:40 pmSTL
Southwest Airlines
10:15 amSTL
1h 30m
Nonstop
12:45 pmPIT

Round-trip total · 1 adult · Taxes included

Thu, Dec 24 – Tue, Dec 29

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

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)
2026-12-24 → 2026-12-29Southwest AirlinesWN3561 / WN4930$369.752026-10-29T01:57:14Z
2026-12-24 → 2026-12-29Delta Air Lines / Southwest AirlinesDL3857 + DL5395 / WN4930$405.502026-10-29T01:57:14Z
2026-12-24 → 2026-12-29American AirlinesAA3239 + AA772 / AA2486 + AA1335$408.002026-10-29T01:57:14Z
2026-12-24 → 2026-12-29United AirlinesUA3591 + UA1114 / UA4397 + UA3464$420.752026-10-29T01:57:14Z
2026-12-24 → 2026-12-29Southwest AirlinesWN3561 / WN4850$369.752026-10-29T01:57:14Z
2026-12-24 → 2026-12-29Southwest AirlinesWN3561 / WN4173 + WN3002$382.252026-10-29T01:57:14Z
2026-12-24 → 2026-12-29Southwest AirlinesWN2313 + WN2737 / WN4930$382.752026-10-29T01:57:14Z
2026-12-24 → 2026-12-29United AirlinesUA1317 + UA4527 / UA4397 + UA3464$420.752026-10-29T01:57:14Z

2026-12-24 → 2026-12-29 · $369.75

  • Southwest Airlines WN3561: PIT 2026-12-24 06:50:00 → STL 2026-12-24 07:45:00; nonstop; 115 minutes. Local airport times.
  • Southwest Airlines WN4930: STL 2026-12-29 10:15:00 → PIT 2026-12-29 12:45:00; nonstop; 90 minutes. Local airport times.

2026-12-24 → 2026-12-29 · $405.50

  • Delta Air Lines DL3857 / DL5395: PIT 2026-12-24 06:10:00 → STL 2026-12-24 10:05:00; 1 stop(s) via DTW; 295 minutes. Local airport times.
    • DL3857: PIT 2026-12-24 06:10:00 → DTW 2026-12-24 07:26:00; layover at DTW: 109 minutes.
    • DL5395: DTW 2026-12-24 09:15:00 → STL 2026-12-24 10:05:00.
  • Southwest Airlines WN4930: STL 2026-12-29 10:15:00 → PIT 2026-12-29 12:45:00; nonstop; 90 minutes. Local airport times.

2026-12-24 → 2026-12-29 · $408.00

  • American Airlines AA3239 / AA772: PIT 2026-12-24 16:03:00 → STL 2026-12-24 19:22:00; 1 stop(s) via ORD; 259 minutes. Local airport times.
    • AA3239: PIT 2026-12-24 16:03:00 → ORD 2026-12-24 16:54:00; layover at ORD: 69 minutes.
    • AA772: ORD 2026-12-24 18:03:00 → STL 2026-12-24 19:22:00.
  • American Airlines AA2486 / AA1335: STL 2026-12-29 11:09:00 → PIT 2026-12-29 17:00:00; 1 stop(s) via CLT; 291 minutes. Local airport times.
    • AA2486: STL 2026-12-29 11:09:00 → CLT 2026-12-29 14:00:00; layover at CLT: 94 minutes.
    • AA1335: CLT 2026-12-29 15:34:00 → PIT 2026-12-29 17:00:00.

2026-12-24 → 2026-12-29 · $420.75

  • United Airlines UA3591 / UA1114: PIT 2026-12-24 19:25:00 → STL 2026-12-24 22:59:00; 1 stop(s) via ORD; 274 minutes. Local airport times.
    • UA3591: PIT 2026-12-24 19:25:00 → ORD 2026-12-24 20:20:00; layover at ORD: 85 minutes.
    • UA1114: ORD 2026-12-24 21:45:00 → STL 2026-12-24 22:59:00.
  • United Airlines UA4397 / UA3464: STL 2026-12-29 18:55:00 → PIT 2026-12-29 23:59:00; 1 stop(s) via ORD; 244 minutes. Local airport times.
    • UA4397: STL 2026-12-29 18:55:00 → ORD 2026-12-29 20:25:00; layover at ORD: 63 minutes.
    • UA3464: ORD 2026-12-29 21:28:00 → PIT 2026-12-29 23:59:00.

2026-12-24 → 2026-12-29 · $369.75

  • Southwest Airlines WN3561: PIT 2026-12-24 05:55:00 → STL 2026-12-24 06:55:00; nonstop; 120 minutes. Local airport times.
  • Southwest Airlines WN4850: STL 2026-12-29 18:15:00 → PIT 2026-12-29 20:55:00; nonstop; 100 minutes. Local airport times.

2026-12-24 → 2026-12-29 · $382.25

  • Southwest Airlines WN3561: PIT 2026-12-24 06:50:00 → STL 2026-12-24 07:40:00; nonstop; 110 minutes. Local airport times.
  • Southwest Airlines WN4173 / WN3002: STL 2026-12-29 05:30:00 → PIT 2026-12-29 10:00:00; 1 stop(s) via MDW; 210 minutes. Local airport times.
    • WN4173: STL 2026-12-29 05:30:00 → MDW 2026-12-29 06:35:00; layover at MDW: 65 minutes.
    • WN3002: MDW 2026-12-29 07:40:00 → PIT 2026-12-29 10:00:00.

2026-12-24 → 2026-12-29 · $382.75

  • Southwest Airlines WN2313 / WN2737: PIT 2026-12-24 08:25:00 → STL 2026-12-24 12:40:00; 1 stop(s) via MDW; 315 minutes. Local airport times.
    • WN2313: PIT 2026-12-24 08:25:00 → MDW 2026-12-24 09:00:00; layover at MDW: 150 minutes.
    • WN2737: MDW 2026-12-24 11:30:00 → STL 2026-12-24 12:40:00.
  • Southwest Airlines WN4930: STL 2026-12-29 10:15:00 → PIT 2026-12-29 12:45:00; nonstop; 90 minutes. Local airport times.

2026-12-24 → 2026-12-29 · $420.75

  • United Airlines UA1317 / UA4527: PIT 2026-12-24 15:15:00 → STL 2026-12-24 19:35:00; 1 stop(s) via IAD; 320 minutes. Local airport times.
    • UA1317: PIT 2026-12-24 15:15:00 → IAD 2026-12-24 16:20:00; layover at IAD: 100 minutes.
    • UA4527: IAD 2026-12-24 18:00:00 → STL 2026-12-24 19:35:00.
  • United Airlines UA4397 / UA3464: STL 2026-12-29 18:55:00 → PIT 2026-12-29 23:59:00; 1 stop(s) via ORD; 244 minutes. Local airport times.
    • UA4397: STL 2026-12-29 18:55:00 → ORD 2026-12-29 20:25:00; layover at ORD: 63 minutes.
    • UA3464: ORD 2026-12-29 21:28:00 → PIT 2026-12-29 23:59:00.

More dates for this route