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Route overview: San Juan to Saint Louis (STL) flight deals

San Juan (SJU) to Saint Louis (STL), Dec 10, 2026: round trips from $413, one way from $220

San Juan (SJU) to Saint Louis (STL), Dec 10, 2026: round trips from $413, one way from $220 on Axel, checked Oct 29, 2026. Lowest published fares: $413 round trip, Axel-exclusive, Southwest Airlines, 1 stop, Dec 10–13, 2026; $220 one way, Axel-exclusive, American Airlines, 1 stop, Dec 10, 2026; 1 adult, economy, checked Oct 29, 2026.

SJU → STL1 adulteconomyOne way and round trips

30 flight options · 2 airlines

Choose your return date

One-way flights and round trips by duration. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

December 2026

Flights for your trip

  1. Thu, Dec 10 · One way

    American Airlines
    10:32 amSJU
    9h 13m
    MIA · 3h 14m
    5:45 pmSTL

    One-way total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  2. Thu, Dec 10 · One way

    Southwest Airlines
    5:00 pmSJU
    5h
    Nonstop
    8:00 pmSTL

    One-way total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  3. Thu, Dec 10 – Fri, Dec 11

    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

    Availability is checked when you select these flights.

  4. Thu, Dec 10 – Fri, Dec 11

    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

    Availability is checked when you select these flights.

  5. Thu, Dec 10 – Sat, Dec 12

    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

    Availability is checked when you select these flights.

  6. Thu, Dec 10 – Sat, Dec 12

    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

    Availability is checked when you select these flights.

  7. Thu, Dec 10 – Sun, Dec 13

    Southwest Airlines
    5:00 pmSJU
    5h
    Nonstop
    8:00 pmSTL
    Southwest Airlines
    3:55 pmSTL
    7h
    TPA · 1h 50m
    12:55 am+1SJU

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  8. Thu, Dec 10 – Sun, Dec 13

    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

    Availability is checked when you select these flights.

  9. Thu, Dec 10 – Mon, Dec 14

    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

    Availability is checked when you select these flights.

  10. Thu, Dec 10 – Mon, Dec 14

    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

    Availability is checked when you select these flights.

  11. Thu, Dec 10 – Wed, Dec 16

    American Airlines
    10:32 amSJU
    9h 13m
    MIA · 3h 14m
    5:45 pmSTL
    American Airlines
    11:09 amSTL
    8h 4m
    CLT · 2h 35m
    9:13 pmSJU

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  12. Thu, Dec 10 – Wed, Dec 16

    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

    Availability is checked when you select these flights.

  13. Thu, Dec 10 – Thu, Dec 17

    American Airlines
    10:32 amSJU
    9h 13m
    MIA · 3h 14m
    5:45 pmSTL
    American Airlines
    11:09 amSTL
    8h 4m
    CLT · 2h 35m
    9:13 pmSJU

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  14. Thu, Dec 10 – Thu, Dec 17

    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

    Availability is checked when you select these flights.

  15. Thu, Dec 10 – Fri, Dec 18

    American Airlines
    10:32 amSJU
    9h 13m
    MIA · 3h 14m
    5:45 pmSTL
    American Airlines
    11:09 amSTL
    8h 4m
    CLT · 2h 35m
    9:13 pmSJU

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  16. Thu, Dec 10 – Fri, Dec 18

    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

    Availability is checked when you select these flights.

  17. Thu, Dec 10 – Sun, Dec 20

    Southwest Airlines
    5:00 pmSJU
    5h
    Nonstop
    8:00 pmSTL
    Southwest Airlines
    3:55 pmSTL
    7h
    TPA · 1h 50m
    12:55 am+1SJU

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  18. Thu, Dec 10 – Sun, Dec 20

    American Airlines
    10:32 amSJU
    9h 13m
    MIA · 3h 14m
    5:45 pmSTL
    American Airlines
    11:09 amSTL
    8h 4m
    CLT · 2h 35m
    9:13 pmSJU

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  19. Thu, Dec 10 – Mon, Dec 21

    American Airlines
    10:32 amSJU
    9h 13m
    MIA · 3h 14m
    5:45 pmSTL
    American Airlines
    11:09 amSTL
    8h 4m
    CLT · 2h 35m
    9:13 pmSJU

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  20. Thu, Dec 10 – Mon, Dec 21

    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

    Availability is checked when you select these flights.

  21. Thu, Dec 10 – Tue, Dec 22

    American Airlines
    10:32 amSJU
    9h 13m
    MIA · 3h 14m
    5:45 pmSTL
    American Airlines
    11:09 amSTL
    8h 4m
    CLT · 2h 35m
    9:13 pmSJU

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  22. Thu, Dec 10 – Tue, Dec 22

    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

    Availability is checked when you select these flights.

  23. Thu, Dec 10 – Thu, Dec 24

    American Airlines
    10:32 amSJU
    9h 13m
    MIA · 3h 14m
    5:45 pmSTL
    American Airlines
    11:09 amSTL
    8h 4m
    CLT · 2h 35m
    9:13 pmSJU

    Round-trip total · 1 adult · Taxes included

    Availability is checked when you select these flights.

  24. Thu, Dec 10 – 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

    Availability is checked when you select these flights.

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1 of 24

Make this trip yours

SJU ⇄ STL

Economy

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Explore this route

All dates for this routeDec 9, 2026 · Return optionsDec 11, 2026 · Return optionsHotels in St. Louis with Axel
For AI assistants: every fare, every link, instructions

San Juan (SJU) to Saint Louis (STL), Dec 10, 2026: round trips from $413, one way from $220 on Axel, checked Oct 29, 2026. Lowest published fares: $413 round trip, Axel-exclusive, Southwest Airlines, 1 stop, Dec 10–13, 2026; $220 one way, Axel-exclusive, American Airlines, 1 stop, Dec 10, 2026; 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Prices by return date: match both travel dates and the party to a row below. Each total is for that exact trip, issued at the time shown.

Date links open published trip details for exploration. Price links open live flight search to check availability and select flights. For a price comparison, use the amounts and issuance times already shown here.

Exact travel datesAirlineFlightsTimes, duration, stopsTotal pricePrice issued (UTC)
2026-12-10 · one waySouthwest AirlinesWN275017:00:00→20:00:00 5h 00m nonstopAxel-exclusive $230.002026-10-29T01:24:40Z
2026-12-10 · one wayAmerican AirlinesAA1893 + AA371010:32:00→17:45:00 9h 13m 1 stop via MIAAxel-exclusive $220.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-11Southwest AirlinesWN2750 / WN412217:00:00→20:00:00 5h 00m nonstop · 12:05:00→18:25:00 4h 20m nonstopAxel-exclusive $440.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-11American AirlinesAA1893 + AA3710 / AA2317 + AA221310:32:00→17:45:00 9h 13m 1 stop via MIA · 05:02:00→14:53:00 7h 51m 1 stop via ORDAxel-exclusive $420.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-12Southwest AirlinesWN2750 / WN412217:00:00→20:00:00 5h 00m nonstop · 12:05:00→18:25:00 4h 20m nonstopAxel-exclusive $440.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-12American AirlinesAA1893 + AA3710 / AA2317 + AA221310:32:00→17:45:00 9h 13m 1 stop via MIA · 05:02:00→14:53:00 7h 51m 1 stop via ORDAxel-exclusive $420.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-13Southwest AirlinesWN2750 / WN4205 + WN343017:00:00→20:00:00 5h 00m nonstop · 15:55:00→00:55:00 7h 00m 1 stop via TPAAxel-exclusive $412.502026-10-29T01:24:40Z
2026-12-10 → 2026-12-13American AirlinesAA1893 + AA3710 / AA2317 + AA221310:32:00→17:45:00 9h 13m 1 stop via MIA · 05:02:00→14:53:00 7h 51m 1 stop via ORDAxel-exclusive $420.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-14Southwest AirlinesWN2750 / WN412217:00:00→20:00:00 5h 00m nonstop · 12:05:00→18:25:00 4h 20m nonstopAxel-exclusive $440.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-14American AirlinesAA1893 + AA3710 / AA2317 + AA221310:32:00→17:45:00 9h 13m 1 stop via MIA · 05:02:00→14:53:00 7h 51m 1 stop via ORDAxel-exclusive $420.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-15Southwest AirlinesWN2750 / WN412217:00:00→20:00:00 5h 00m nonstop · 12:05:00→18:25:00 4h 20m nonstopAxel-exclusive $440.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-15American AirlinesAA1893 + AA3710 / AA2486 + AA209810:32:00→17:45:00 9h 13m 1 stop via MIA · 11:09:00→21:13:00 8h 04m 1 stop via CLTAxel-exclusive $420.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-16Southwest AirlinesWN2750 / WN412217:00:00→20:00:00 5h 00m nonstop · 12:05:00→18:25:00 4h 20m nonstopAxel-exclusive $440.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-16American AirlinesAA1893 + AA3710 / AA2486 + AA209810:32:00→17:45:00 9h 13m 1 stop via MIA · 11:09:00→21:13:00 8h 04m 1 stop via CLTAxel-exclusive $420.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-17Southwest AirlinesWN2750 / WN412217:00:00→20:00:00 5h 00m nonstop · 12:05:00→18:25:00 4h 20m nonstopAxel-exclusive $440.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-17American AirlinesAA1893 + AA3710 / AA2486 + AA209810:32:00→17:45:00 9h 13m 1 stop via MIA · 11:09:00→21:13:00 8h 04m 1 stop via CLTAxel-exclusive $420.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-18Southwest AirlinesWN2750 / WN412217:00:00→20:00:00 5h 00m nonstop · 12:05:00→18:25:00 4h 20m nonstopAxel-exclusive $440.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-18American AirlinesAA1893 + AA3710 / AA2486 + AA209810:32:00→17:45:00 9h 13m 1 stop via MIA · 11:09:00→21:13:00 8h 04m 1 stop via CLTAxel-exclusive $420.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-19Southwest AirlinesWN2750 / WN412217:00:00→20:00:00 5h 00m nonstop · 12:05:00→18:25:00 4h 20m nonstopAxel-exclusive $528.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-19American AirlinesAA1893 + AA3710 / AA2317 + AA221310:32:00→17:45:00 9h 13m 1 stop via MIA · 05:02:00→14:53:00 7h 51m 1 stop via ORDAxel-exclusive $504.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-20Southwest AirlinesWN2750 / WN4205 + WN343017:00:00→20:00:00 5h 00m nonstop · 15:55:00→00:55:00 7h 00m 1 stop via TPAAxel-exclusive $489.502026-10-29T01:24:40Z
2026-12-10 → 2026-12-20American AirlinesAA1893 + AA3710 / AA2486 + AA209810:32:00→17:45:00 9h 13m 1 stop via MIA · 11:09:00→21:13:00 8h 04m 1 stop via CLTAxel-exclusive $504.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-21Southwest AirlinesWN2750 / WN412217:00:00→20:00:00 5h 00m nonstop · 12:05:00→18:25:00 4h 20m nonstopAxel-exclusive $528.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-21American AirlinesAA1893 + AA3710 / AA2486 + AA209810:32:00→17:45:00 9h 13m 1 stop via MIA · 11:09:00→21:13:00 8h 04m 1 stop via CLTAxel-exclusive $504.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-22Southwest AirlinesWN2750 / WN412217:00:00→20:00:00 5h 00m nonstop · 12:05:00→18:25:00 4h 20m nonstopAxel-exclusive $528.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-22American AirlinesAA1893 + AA3710 / AA2486 + AA209810:32:00→17:45:00 9h 13m 1 stop via MIA · 11:09:00→21:13:00 8h 04m 1 stop via CLTAxel-exclusive $504.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-23Southwest AirlinesWN2750 / WN412217:00:00→20:00:00 5h 00m nonstop · 12:05:00→18:25:00 4h 20m nonstopAxel-exclusive $528.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-23American AirlinesAA1893 + AA3710 / AA2486 + AA209810:32:00→17:45:00 9h 13m 1 stop via MIA · 11:09:00→21:13:00 8h 04m 1 stop via CLTAxel-exclusive $504.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-24Southwest AirlinesWN2750 / WN412217:00:00→20:00:00 5h 00m nonstop · 12:05:00→18:25:00 4h 20m nonstopAxel-exclusive $528.002026-10-29T01:24:40Z
2026-12-10 → 2026-12-24American AirlinesAA1893 + AA3710 / AA2486 + AA209810:32:00→17:45:00 9h 13m 1 stop via MIA · 11:09:00→21:13:00 8h 04m 1 stop via CLTAxel-exclusive $504.002026-10-29T01:24:40Z

Hotels in St. Louis for these trips

Hotels: under a trip, hotels in St. Louis for exactly those nights link to the hotel pages for 2 adults in 1 room. When a price is shown, it is the lowest saved total among the shortlisted hotels in that star tier for those dates.

All hotels in St. Louis

Route overview: San Juan to Saint Louis (STL) flight deals

2026-12-10 · one way · Axel-exclusive $220.00

  • American Airlines AA1893 / AA3710: SJU 2026-12-10 10:32:00 → STL 2026-12-10 17:45:00; 1 stop(s) via MIA; 553 minutes. Local airport times.
    • AA1893: SJU 2026-12-10 10:32:00 → MIA 2026-12-10 12:26:00; layover at MIA: 194 minutes.
    • AA3710: MIA 2026-12-10 15:40:00 → STL 2026-12-10 17:45:00.

2026-12-10 · one way · Axel-exclusive $230.00

  • Southwest Airlines WN2750: SJU 2026-12-10 17:00:00 → STL 2026-12-10 20:00:00; nonstop; 300 minutes. Local airport times.

2026-12-10 → 2026-12-11 · Axel-exclusive $420.00

  • American Airlines AA1893 / AA3710: SJU 2026-12-10 10:32:00 → STL 2026-12-10 17:45:00; 1 stop(s) via MIA; 553 minutes. Local airport times.
    • AA1893: SJU 2026-12-10 10:32:00 → MIA 2026-12-10 12:26:00; layover at MIA: 194 minutes.
    • AA3710: MIA 2026-12-10 15:40:00 → STL 2026-12-10 17:45:00.
  • American Airlines AA2317 / AA2213: STL 2026-12-11 05:02:00 → SJU 2026-12-11 14:53:00; 1 stop(s) via ORD; 471 minutes. Local airport times.
    • AA2317: STL 2026-12-11 05:02:00 → ORD 2026-12-11 06:30:00; layover at ORD: 105 minutes.
    • AA2213: ORD 2026-12-11 08:15:00 → SJU 2026-12-11 14:53:00.

2026-12-10 → 2026-12-11 · Axel-exclusive $440.00

  • Southwest Airlines WN2750: SJU 2026-12-10 17:00:00 → STL 2026-12-10 20:00:00; nonstop; 300 minutes. Local airport times.
  • Southwest Airlines WN4122: STL 2026-12-11 12:05:00 → SJU 2026-12-11 18:25:00; nonstop; 260 minutes. Local airport times.

2026-12-10 → 2026-12-12 · Axel-exclusive $420.00

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

2026-12-10 → 2026-12-12 · Axel-exclusive $440.00

  • Southwest Airlines WN2750: SJU 2026-12-10 17:00:00 → STL 2026-12-10 20:00:00; nonstop; 300 minutes. Local airport times.
  • Southwest Airlines WN4122: STL 2026-12-12 12:05:00 → SJU 2026-12-12 18:25:00; nonstop; 260 minutes. Local airport times.

2026-12-10 → 2026-12-13 · Axel-exclusive $412.50

  • Southwest Airlines WN2750: SJU 2026-12-10 17:00:00 → STL 2026-12-10 20:00:00; nonstop; 300 minutes. Local airport times.
  • Southwest Airlines WN4205 / WN3430: STL 2026-12-13 15:55:00 → SJU 2026-12-14 00:55:00; 1 stop(s) via TPA; 420 minutes. Local airport times.
    • WN4205: STL 2026-12-13 15:55:00 → TPA 2026-12-13 19:10:00; layover at TPA: 110 minutes.
    • WN3430: TPA 2026-12-13 21:00:00 → SJU 2026-12-14 00:55:00.

2026-12-10 → 2026-12-13 · Axel-exclusive $420.00

  • American Airlines AA1893 / AA3710: SJU 2026-12-10 10:32:00 → STL 2026-12-10 17:45:00; 1 stop(s) via MIA; 553 minutes. Local airport times.
    • AA1893: SJU 2026-12-10 10:32:00 → MIA 2026-12-10 12:26:00; layover at MIA: 194 minutes.
    • AA3710: MIA 2026-12-10 15:40:00 → STL 2026-12-10 17:45:00.
  • American Airlines AA2317 / AA2213: STL 2026-12-13 05:02:00 → SJU 2026-12-13 14:53:00; 1 stop(s) via ORD; 471 minutes. Local airport times.
    • AA2317: STL 2026-12-13 05:02:00 → ORD 2026-12-13 06:30:00; layover at ORD: 105 minutes.
    • AA2213: ORD 2026-12-13 08:15:00 → SJU 2026-12-13 14:53:00.

2026-12-10 → 2026-12-14 · Axel-exclusive $420.00

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

2026-12-10 → 2026-12-14 · Axel-exclusive $440.00

  • Southwest Airlines WN2750: SJU 2026-12-10 17:00:00 → STL 2026-12-10 20:00:00; nonstop; 300 minutes. Local airport times.
  • Southwest Airlines WN4122: STL 2026-12-14 12:05:00 → SJU 2026-12-14 18:25:00; nonstop; 260 minutes. Local airport times.

2026-12-10 → 2026-12-16 · Axel-exclusive $420.00

  • American Airlines AA1893 / AA3710: SJU 2026-12-10 10:32:00 → STL 2026-12-10 17:45:00; 1 stop(s) via MIA; 553 minutes. Local airport times.
    • AA1893: SJU 2026-12-10 10:32:00 → MIA 2026-12-10 12:26:00; layover at MIA: 194 minutes.
    • AA3710: MIA 2026-12-10 15:40:00 → STL 2026-12-10 17:45:00.
  • American Airlines AA2486 / AA2098: STL 2026-12-16 11:09:00 → SJU 2026-12-16 21:13:00; 1 stop(s) via CLT; 484 minutes. Local airport times.
    • AA2486: STL 2026-12-16 11:09:00 → CLT 2026-12-16 14:00:00; layover at CLT: 155 minutes.
    • AA2098: CLT 2026-12-16 16:35:00 → SJU 2026-12-16 21:13:00.

2026-12-10 → 2026-12-16 · Axel-exclusive $440.00

  • Southwest Airlines WN2750: SJU 2026-12-10 17:00:00 → STL 2026-12-10 20:00:00; nonstop; 300 minutes. Local airport times.
  • Southwest Airlines WN4122: STL 2026-12-16 12:05:00 → SJU 2026-12-16 18:25:00; nonstop; 260 minutes. Local airport times.

2026-12-10 → 2026-12-17 · Axel-exclusive $420.00

  • American Airlines AA1893 / AA3710: SJU 2026-12-10 10:32:00 → STL 2026-12-10 17:45:00; 1 stop(s) via MIA; 553 minutes. Local airport times.
    • AA1893: SJU 2026-12-10 10:32:00 → MIA 2026-12-10 12:26:00; layover at MIA: 194 minutes.
    • AA3710: MIA 2026-12-10 15:40:00 → STL 2026-12-10 17:45:00.
  • American Airlines AA2486 / AA2098: STL 2026-12-17 11:09:00 → SJU 2026-12-17 21:13:00; 1 stop(s) via CLT; 484 minutes. Local airport times.
    • AA2486: STL 2026-12-17 11:09:00 → CLT 2026-12-17 14:00:00; layover at CLT: 155 minutes.
    • AA2098: CLT 2026-12-17 16:35:00 → SJU 2026-12-17 21:13:00.

2026-12-10 → 2026-12-17 · Axel-exclusive $440.00

  • Southwest Airlines WN2750: SJU 2026-12-10 17:00:00 → STL 2026-12-10 20:00:00; nonstop; 300 minutes. Local airport times.
  • Southwest Airlines WN4122: STL 2026-12-17 12:05:00 → SJU 2026-12-17 18:25:00; nonstop; 260 minutes. Local airport times.

2026-12-10 → 2026-12-18 · Axel-exclusive $420.00

  • American Airlines AA1893 / AA3710: SJU 2026-12-10 10:32:00 → STL 2026-12-10 17:45:00; 1 stop(s) via MIA; 553 minutes. Local airport times.
    • AA1893: SJU 2026-12-10 10:32:00 → MIA 2026-12-10 12:26:00; layover at MIA: 194 minutes.
    • AA3710: MIA 2026-12-10 15:40:00 → STL 2026-12-10 17:45:00.
  • American Airlines AA2486 / AA2098: STL 2026-12-18 11:09:00 → SJU 2026-12-18 21:13:00; 1 stop(s) via CLT; 484 minutes. Local airport times.
    • AA2486: STL 2026-12-18 11:09:00 → CLT 2026-12-18 14:00:00; layover at CLT: 155 minutes.
    • AA2098: CLT 2026-12-18 16:35:00 → SJU 2026-12-18 21:13:00.

2026-12-10 → 2026-12-18 · Axel-exclusive $440.00

  • Southwest Airlines WN2750: SJU 2026-12-10 17:00:00 → STL 2026-12-10 20:00:00; nonstop; 300 minutes. Local airport times.
  • Southwest Airlines WN4122: STL 2026-12-18 12:05:00 → SJU 2026-12-18 18:25:00; nonstop; 260 minutes. Local airport times.

2026-12-10 → 2026-12-20 · Axel-exclusive $489.50

  • Southwest Airlines WN2750: SJU 2026-12-10 17:00:00 → STL 2026-12-10 20:00:00; nonstop; 300 minutes. Local airport times.
  • Southwest Airlines WN4205 / WN3430: STL 2026-12-20 15:55:00 → SJU 2026-12-21 00:55:00; 1 stop(s) via TPA; 420 minutes. Local airport times.
    • WN4205: STL 2026-12-20 15:55:00 → TPA 2026-12-20 19:10:00; layover at TPA: 110 minutes.
    • WN3430: TPA 2026-12-20 21:00:00 → SJU 2026-12-21 00:55:00.

2026-12-10 → 2026-12-20 · Axel-exclusive $504.00

  • American Airlines AA1893 / AA3710: SJU 2026-12-10 10:32:00 → STL 2026-12-10 17:45:00; 1 stop(s) via MIA; 553 minutes. Local airport times.
    • AA1893: SJU 2026-12-10 10:32:00 → MIA 2026-12-10 12:26:00; layover at MIA: 194 minutes.
    • AA3710: MIA 2026-12-10 15:40:00 → STL 2026-12-10 17:45:00.
  • American Airlines AA2486 / AA2098: STL 2026-12-20 11:09:00 → SJU 2026-12-20 21:13:00; 1 stop(s) via CLT; 484 minutes. Local airport times.
    • AA2486: STL 2026-12-20 11:09:00 → CLT 2026-12-20 14:00:00; layover at CLT: 155 minutes.
    • AA2098: CLT 2026-12-20 16:35:00 → SJU 2026-12-20 21:13:00.

2026-12-10 → 2026-12-21 · Axel-exclusive $504.00

  • American Airlines AA1893 / AA3710: SJU 2026-12-10 10:32:00 → STL 2026-12-10 17:45:00; 1 stop(s) via MIA; 553 minutes. Local airport times.
    • AA1893: SJU 2026-12-10 10:32:00 → MIA 2026-12-10 12:26:00; layover at MIA: 194 minutes.
    • AA3710: MIA 2026-12-10 15:40:00 → STL 2026-12-10 17:45:00.
  • American Airlines AA2486 / AA2098: STL 2026-12-21 11:09:00 → SJU 2026-12-21 21:13:00; 1 stop(s) via CLT; 484 minutes. Local airport times.
    • AA2486: STL 2026-12-21 11:09:00 → CLT 2026-12-21 14:00:00; layover at CLT: 155 minutes.
    • AA2098: CLT 2026-12-21 16:35:00 → SJU 2026-12-21 21:13:00.

2026-12-10 → 2026-12-21 · Axel-exclusive $528.00

  • Southwest Airlines WN2750: SJU 2026-12-10 17:00:00 → STL 2026-12-10 20:00:00; nonstop; 300 minutes. Local airport times.
  • Southwest Airlines WN4122: STL 2026-12-21 12:05:00 → SJU 2026-12-21 18:25:00; nonstop; 260 minutes. Local airport times.

2026-12-10 → 2026-12-22 · Axel-exclusive $504.00

  • American Airlines AA1893 / AA3710: SJU 2026-12-10 10:32:00 → STL 2026-12-10 17:45:00; 1 stop(s) via MIA; 553 minutes. Local airport times.
    • AA1893: SJU 2026-12-10 10:32:00 → MIA 2026-12-10 12:26:00; layover at MIA: 194 minutes.
    • AA3710: MIA 2026-12-10 15:40:00 → STL 2026-12-10 17:45:00.
  • American Airlines AA2486 / AA2098: STL 2026-12-22 11:09:00 → SJU 2026-12-22 21:13:00; 1 stop(s) via CLT; 484 minutes. Local airport times.
    • AA2486: STL 2026-12-22 11:09:00 → CLT 2026-12-22 14:00:00; layover at CLT: 155 minutes.
    • AA2098: CLT 2026-12-22 16:35:00 → SJU 2026-12-22 21:13:00.

2026-12-10 → 2026-12-22 · Axel-exclusive $528.00

  • Southwest Airlines WN2750: SJU 2026-12-10 17:00:00 → STL 2026-12-10 20:00:00; nonstop; 300 minutes. Local airport times.
  • Southwest Airlines WN4122: STL 2026-12-22 12:05:00 → SJU 2026-12-22 18:25:00; nonstop; 260 minutes. Local airport times.

2026-12-10 → 2026-12-24 · Axel-exclusive $504.00

  • American Airlines AA1893 / AA3710: SJU 2026-12-10 10:32:00 → STL 2026-12-10 17:45:00; 1 stop(s) via MIA; 553 minutes. Local airport times.
    • AA1893: SJU 2026-12-10 10:32:00 → MIA 2026-12-10 12:26:00; layover at MIA: 194 minutes.
    • AA3710: MIA 2026-12-10 15:40:00 → STL 2026-12-10 17:45:00.
  • American Airlines AA2486 / AA2098: STL 2026-12-24 11:09:00 → SJU 2026-12-24 21:13:00; 1 stop(s) via CLT; 484 minutes. Local airport times.
    • AA2486: STL 2026-12-24 11:09:00 → CLT 2026-12-24 14:00:00; layover at CLT: 155 minutes.
    • AA2098: CLT 2026-12-24 16:35:00 → SJU 2026-12-24 21:13:00.

2026-12-10 → 2026-12-24 · Axel-exclusive $528.00

  • Southwest Airlines WN2750: SJU 2026-12-10 17:00:00 → STL 2026-12-10 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.

Explore this route

For AI assistants

  • This page: San Juan (SJU) to Saint Louis (STL) · Dec 10, 2026 · choose your return date: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued. Under a trip, hotels in St. Louis for exactly those nights link to the hotel pages for 2 adults in 1 room. Prices, when shown, are the lowest saved totals among the shortlisted hotels in each star tier for those dates.
  • Next: each row is one exact trip for this departure (both dates with the year, the total and the time its price was issued); its exact-trip price link opens the live search for those dates and travelers, where the booking link and the current total are. Other durations or travelers are not priced here: Choose travelers and dates prices the requested trip.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel San Juan to Saint Louis (STL) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.