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San Juan → Saint Louis

Dec 21, 2026 · return Dec 24, 2026

SJU → STL1 adulteconomyRound trip

7 flight options · 3 airlines

Nonstop flights

Mon, Dec 21 – Thu, Dec 24

Southwest Airlines
5:00 pmSJU
5h
Nonstop
8:00 pmSTL
Southwest Airlines
12:05 pmSTL
4h 20m
Nonstop
6:25 pmSJU

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Thu, Dec 24

American Airlines
10:32 amSJU
9h 13m
MIA · 3h 14m
5:45 pmSTL
American Airlines
5:02 amSTL
7h 51m
ORD · 1h 45m
2:53 pmSJU

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Delta Air Lines
3:40 pmSJU
9h 46m
MSP · 2h 9m
11:26 pmSTL
Delta Air Lines
2:31 pmSTL
6h 39m
ATL · 1h 40m
11:10 pmSJU

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Southwest Airlines
2:25 pmSJU
9h 30m
FLL · 3h 35m
9:55 pmSTL
Southwest Airlines
12:05 pmSTL
4h 20m
Nonstop
6:25 pmSJU

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Southwest Airlines
1:20 pmSJU
9h 45m
MCO · 3h 50m
9:05 pmSTL
Southwest Airlines
12:05 pmSTL
4h 20m
Nonstop
6:25 pmSJU

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Southwest Airlines
3:30 pmSJU
8h 30m
MDW · 2h 5m
10:00 pmSTL
Southwest Airlines
12:05 pmSTL
4h 20m
Nonstop
6:25 pmSJU

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

American Airlines
7:05 amSJU
8h 15m
CLT · 2h 15m
1:20 pmSTL
American Airlines
5:02 amSTL
7h 51m
ORD · 1h 45m
2:53 pmSJU

Round-trip total · 1 adult · Taxes included

Make this trip yours

SJU ⇄ 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)
2026-12-21 → 2026-12-24Southwest AirlinesWN2750 / WN4122$616.002026-10-29T01:24:40Z
2026-12-21 → 2026-12-24American AirlinesAA1893 + AA3710 / AA2317 + AA2213$588.002026-10-29T01:24:40Z
2026-12-21 → 2026-12-24Delta Air LinesDL1925 + DL1609 / DL1102 + DL1861$630.002026-10-29T01:24:40Z
2026-12-21 → 2026-12-24Southwest AirlinesWN3946 + WN1965 / WN4122$577.502026-10-29T01:24:40Z
2026-12-21 → 2026-12-24Southwest AirlinesWN3950 + WN2874 / WN4122$577.502026-10-29T01:24:40Z
2026-12-21 → 2026-12-24Southwest AirlinesWN3881 + WN2339 / WN4122$577.502026-10-29T01:24:40Z
2026-12-21 → 2026-12-24American AirlinesAA3324 + AA2486 / AA2317 + AA2213$588.002026-10-29T01:24:40Z

2026-12-21 → 2026-12-24 · $616.00

  • Southwest Airlines WN2750: SJU 2026-12-21 17:00:00 → STL 2026-12-21 20:00:00; nonstop; 300 minutes. Local airport times.
  • Southwest Airlines WN4122: STL 2026-12-24 12:05:00 → SJU 2026-12-24 18:25:00; nonstop; 260 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $588.00

  • American Airlines AA1893 / AA3710: SJU 2026-12-21 10:32:00 → STL 2026-12-21 17:45:00; 1 stop(s) via MIA; 553 minutes. Local airport times.
    • AA1893: SJU 2026-12-21 10:32:00 → MIA 2026-12-21 12:26:00; layover at MIA: 194 minutes.
    • AA3710: MIA 2026-12-21 15:40:00 → STL 2026-12-21 17:45:00.
  • American Airlines AA2317 / AA2213: STL 2026-12-24 05:02:00 → SJU 2026-12-24 14:53:00; 1 stop(s) via ORD; 471 minutes. Local airport times.
    • AA2317: STL 2026-12-24 05:02:00 → ORD 2026-12-24 06:30:00; layover at ORD: 105 minutes.
    • AA2213: ORD 2026-12-24 08:15:00 → SJU 2026-12-24 14:53:00.

2026-12-21 → 2026-12-24 · $630.00

  • Delta Air Lines DL1925 / DL1609: SJU 2026-12-21 15:40:00 → STL 2026-12-21 23:26:00; 1 stop(s) via MSP; 586 minutes. Local airport times.
    • DL1925: SJU 2026-12-21 15:40:00 → MSP 2026-12-21 19:40:00; layover at MSP: 129 minutes.
    • DL1609: MSP 2026-12-21 21:49:00 → STL 2026-12-21 23:26:00.
  • Delta Air Lines DL1102 / DL1861: STL 2026-12-24 14:31:00 → SJU 2026-12-24 23:10:00; 1 stop(s) via ATL; 399 minutes. Local airport times.
    • DL1102: STL 2026-12-24 14:31:00 → ATL 2026-12-24 17:05:00; layover at ATL: 100 minutes.
    • DL1861: ATL 2026-12-24 18:45:00 → SJU 2026-12-24 23:10:00.

2026-12-21 → 2026-12-24 · $577.50

  • Southwest Airlines WN3946 / WN1965: SJU 2026-12-21 14:25:00 → STL 2026-12-21 21:55:00; 1 stop(s) via FLL; 570 minutes. Local airport times.
    • WN3946: SJU 2026-12-21 14:25:00 → FLL 2026-12-21 16:20:00; layover at FLL: 215 minutes.
    • WN1965: FLL 2026-12-21 19:55:00 → STL 2026-12-21 21:55:00.
  • Southwest Airlines WN4122: STL 2026-12-24 12:05:00 → SJU 2026-12-24 18:25:00; nonstop; 260 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $577.50

  • Southwest Airlines WN3950 / WN2874: SJU 2026-12-21 13:20:00 → STL 2026-12-21 21:05:00; 1 stop(s) via MCO; 585 minutes. Local airport times.
    • WN3950: SJU 2026-12-21 13:20:00 → MCO 2026-12-21 15:35:00; layover at MCO: 230 minutes.
    • WN2874: MCO 2026-12-21 19:25:00 → STL 2026-12-21 21:05:00.
  • Southwest Airlines WN4122: STL 2026-12-24 12:05:00 → SJU 2026-12-24 18:25:00; nonstop; 260 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $577.50

  • Southwest Airlines WN3881 / WN2339: SJU 2026-12-21 15:30:00 → STL 2026-12-21 22:00:00; 1 stop(s) via MDW; 510 minutes. Local airport times.
    • WN3881: SJU 2026-12-21 15:30:00 → MDW 2026-12-21 18:40:00; layover at MDW: 125 minutes.
    • WN2339: MDW 2026-12-21 20:45:00 → STL 2026-12-21 22:00:00.
  • Southwest Airlines WN4122: STL 2026-12-24 12:05:00 → SJU 2026-12-24 18:25:00; nonstop; 260 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $588.00

  • American Airlines AA3324 / AA2486: SJU 2026-12-21 07:05:00 → STL 2026-12-21 13:20:00; 1 stop(s) via CLT; 495 minutes. Local airport times.
    • AA3324: SJU 2026-12-21 07:05:00 → CLT 2026-12-21 10:05:00; layover at CLT: 135 minutes.
    • AA2486: CLT 2026-12-21 12:20:00 → STL 2026-12-21 13:20:00.
  • American Airlines AA2317 / AA2213: STL 2026-12-24 05:02:00 → SJU 2026-12-24 14:53:00; 1 stop(s) via ORD; 471 minutes. Local airport times.
    • AA2317: STL 2026-12-24 05:02:00 → ORD 2026-12-24 06:30:00; layover at ORD: 105 minutes.
    • AA2213: ORD 2026-12-24 08:15:00 → SJU 2026-12-24 14:53:00.

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