Flights from Washington, D.C. to St. Thomas from $ 286*

Promotion Code

Featured daily fares for flights from Washington, D.C. (IAD) to St. Thomas (STT)

$ 323
$ 809
Displaying fares for May-2026
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  • Range$ 323-$ 809

    More United deals on Washington, D.C. (IAD) to St. Thomas (STT) flights

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    More United deals on Washington, D.C. (IAD) to St. Thomas (STT) flights
    From
    To
    Fare Type
    Dates
    Price
    Washington, D.C. (IAD)St. Thomas (STT)Roundtrip
    |
    Economy
    12/06/26 - 12/19/26

    from

    $ 286

    Viewed: 9 hours ago

    Washington, D.C. (IAD)St. Thomas (STT)Roundtrip
    |
    Economy
    03/24/27 - 03/31/27

    from

    $ 301

    Viewed: 1 day ago

    Washington, D.C. (IAD)St. Thomas (STT)Roundtrip
    |
    Economy
    07/20/26 - 07/27/26

    from

    $ 319

    Viewed: 3 hours ago

    Washington, D.C. (IAD)St. Thomas (STT)Roundtrip
    |
    Economy
    05/16/26 - 05/20/26

    from

    $ 323

    Viewed: 3 hours ago

    Washington, D.C. (IAD)St. Thomas (STT)Roundtrip
    |
    Economy
    07/13/26 - 07/27/26

    from

    $ 324

    Viewed: 3 hours ago

    Washington, D.C. (IAD)St. Thomas (STT)Roundtrip
    |
    Economy
    05/18/26 - 05/22/26

    from

    $ 328

    Viewed: 3 hours ago

    Washington, D.C. (IAD)St. Thomas (STT)Roundtrip
    |
    Economy
    07/26/26 - 07/30/26

    from

    $ 343

    Viewed: 3 hours ago

    Washington, D.C. (IAD)St. Thomas (STT)Roundtrip
    |
    Economy
    05/12/26 - 05/19/26

    from

    $ 344

    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.