Flights from San Salvador to Saint Louis from $ 583*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from San Salvador (SAL) to Saint Louis (STL)

Mar 2026
From$ 747*
Viewed: 3 hours ago
RoundTrip|Economy
Apr 2026
From$ 642*
Viewed: 3 hours ago
RoundTrip|Economy
May 2026
From$ 583*
Viewed: 3 hours ago
RoundTrip|Economy
$ 642
$ 1.1K
Displaying fares for March-2026
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    • Range$ 642-$ 1,104

    *Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

    More United deals on San Salvador (SAL) to Saint Louis (STL) flights

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    More United deals on San Salvador (SAL) to Saint Louis (STL) flights
    From
    To
    Fare Type
    Dates
    Price
    San Salvador (SAL)Saint Louis (STL)Roundtrip
    |
    Economy    		10/06/2026 - 24/06/2026

    from

    $ 583

    Viewed: 3 hours ago

    San Salvador (SAL)Saint Louis (STL)Roundtrip
    |
    Economy    		10/06/2026 - 17/06/2026

    from

    $ 583

    Viewed: 3 hours ago

    San Salvador (SAL)Saint Louis (STL)Roundtrip
    |
    Economy    		26/05/2026 - 02/06/2026

    from

    $ 583

    Viewed: 3 hours ago

    San Salvador (SAL)Saint Louis (STL)Roundtrip
    |
    Economy    		27/05/2026 - 03/06/2026

    from

    $ 583

    Viewed: 3 hours ago

    San Salvador (SAL)Saint Louis (STL)Roundtrip
    |
    Economy    		02/06/2026 - 16/06/2026

    from

    $ 583

    Viewed: 3 hours ago

    San Salvador (SAL)Saint Louis (STL)Roundtrip
    |
    Economy    		02/06/2026 - 09/06/2026

    from

    $ 583

    Viewed: 3 hours ago

    San Salvador (SAL)Saint Louis (STL)Roundtrip
    |
    Economy    		26/05/2026 - 09/06/2026

    from

    $ 583

    Viewed: 3 hours ago

    San Salvador (SAL)Saint Louis (STL)Roundtrip
    |
    Economy    		03/06/2026 - 17/06/2026

    from

    $ 583

    Viewed: 3 hours ago

    *Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

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