Flights from Austin to St. Thomas from $ 370*

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Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Austin (AUS) to St. Thomas (STT)

Jun 2026
From$ 700*
Viewed: 2 hours ago
RoundTrip|Economy
Jul 2026
From$ 558*
Viewed: 2 hours ago
RoundTrip|Economy
Aug 2026
From$ 370*
Viewed: 2 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $ 667
cmp-daily-histogram-bars-legend-max-price-aria-label $ 1.2K
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    • Range$ 667-$ 1,190

    *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 Austin (AUS) to St. Thomas (STT) flights

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    More United deals on Austin (AUS) to St. Thomas (STT) flights
    From
    To
    Fare Type
    Dates
    Price
    Austin (AUS)St. Thomas (STT)Roundtrip
    |
    Economy    		08/29/26 - 09/05/26

    from

    $ 370

    Viewed: 2 hours ago

    Austin (AUS)St. Thomas (STT)Roundtrip
    |
    Economy    		08/22/26 - 09/05/26

    from

    $ 428

    Viewed: 2 hours ago

    Austin (AUS)St. Thomas (STT)Roundtrip
    |
    Economy    		09/05/26 - 09/19/26

    from

    $ 436

    Viewed: 2 hours ago

    Austin (AUS)St. Thomas (STT)Roundtrip
    |
    Economy    		08/08/26 - 08/22/26

    from

    $ 488

    Viewed: 2 hours ago

    Austin (AUS)St. Thomas (STT)Roundtrip
    |
    Economy    		08/15/26 - 08/22/26

    from

    $ 546

    Viewed: 2 hours ago

    Austin (AUS)St. Thomas (STT)Roundtrip
    |
    Economy    		08/29/26 - 09/12/26

    from

    $ 556

    Viewed: 2 hours ago

    Austin (AUS)St. Thomas (STT)Roundtrip
    |
    Economy    		09/05/26 - 09/12/26

    from

    $ 556

    Viewed: 2 hours ago

    Austin (AUS)St. Thomas (STT)Roundtrip
    |
    Economy    		07/21/26 - 08/04/26

    from

    $ 558

    Viewed: 2 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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