Flights from Cancun to Saint Louis from $ 376*

Promotion Code

Featured daily fares for flights from Cancun (CUN) to Saint Louis (STL)

$ 376
$ 908
Displaying fares for March-2026
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    MAR

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  • Range$ 376-$ 908

    More United deals on Cancun (CUN) to Saint Louis (STL) flights

    $
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    More United deals on Cancun (CUN) to Saint Louis (STL) flights
    From
    To
    Fare Type
    Dates
    Price
    Cancun (CUN)Saint Louis (STL)Roundtrip
    |
    Economy
    05/12/26 - 05/19/26

    from

    $ 376

    Viewed: 6 hours ago

    Cancun (CUN)Saint Louis (STL)Roundtrip
    |
    Economy
    04/21/26 - 05/05/26

    from

    $ 376

    Viewed: 6 hours ago

    Cancun (CUN)Saint Louis (STL)Roundtrip
    |
    Economy
    04/29/26 - 05/13/26

    from

    $ 376

    Viewed: 6 hours ago

    Cancun (CUN)Saint Louis (STL)Roundtrip
    |
    Economy
    04/08/26 - 04/22/26

    from

    $ 376

    Viewed: 6 hours ago

    Cancun (CUN)Saint Louis (STL)Roundtrip
    |
    Economy
    04/22/26 - 04/26/26

    from

    $ 376

    Viewed: 6 hours ago

    Cancun (CUN)Saint Louis (STL)Roundtrip
    |
    Economy
    04/08/26 - 04/12/26

    from

    $ 376

    Viewed: 6 hours ago

    Cancun (CUN)Saint Louis (STL)Roundtrip
    |
    Economy
    04/15/26 - 04/19/26

    from

    $ 376

    Viewed: 6 hours ago

    Cancun (CUN)Saint Louis (STL)Roundtrip
    |
    Economy
    04/14/26 - 04/21/26

    from

    $ 376

    Viewed: 6 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.