Flights from Barcelona to Washington, D.C. from $ 829*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Barcelona (BCN) to Washington, D.C. (IAD)

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Mar 2026
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    • *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 Barcelona (BCN) to Washington, D.C. (IAD) flights

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    More United deals on Barcelona (BCN) to Washington, D.C. (IAD) flights
    From
    To
    Fare Type
    Dates
    Price
    Barcelona (BCN)Washington, D.C. (IAD)Roundtrip
    |
    Economy    		07/18/26 - 08/15/26

    from

    $ 1,000

    Viewed: 1 day ago

    Barcelona (BCN)Washington, D.C. (IAD)Roundtrip
    |
    Economy    		07/18/26 - 08/15/26

    from

    $ 1,208

    Viewed: 1 day ago

    Barcelona (BCN)Washington, D.C. (IAD)Roundtrip
    |
    Economy    		07/18/26 - 08/15/26

    from

    $ 1,659

    Viewed: 1 day ago

    Barcelona (BCN)Washington, D.C. (IAD)Roundtrip
    |
    Economy    		06/16/26 - 06/24/26

    from

    $ 829

    Viewed: 13 hours ago

    Barcelona (BCN)Washington, D.C. (IAD)Roundtrip
    |
    Economy    		06/16/26 - 06/24/26

    from

    $ 1,015

    Viewed: 13 hours ago

    Barcelona (BCN)Washington, D.C. (IAD)Roundtrip
    |
    Economy    		06/16/26 - 06/24/26

    from

    $ 1,248

    Viewed: 13 hours ago

    Barcelona (BCN)Washington, D.C. (IAD)Roundtrip
    |
    Economy    		07/06/26 - 07/09/26

    from

    $ 1,407

    Viewed: 16 hours ago

    Barcelona (BCN)Washington, D.C. (IAD)Roundtrip
    |
    Economy    		07/06/26 - 07/09/26

    from

    $ 1,581

    Viewed: 16 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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