Flights from Barcelona to San Francisco from $ 733*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Barcelona (BCN) to San Francisco (SFO)

Try alternate month or interact with individual days below in order to find offers.
May 2026
No result for this month
Jun 2026
From$ 733*
Viewed: 19 hours ago
RoundTrip|Economy
Jul 2026
From$ 930*
Viewed: 4 hours ago
RoundTrip|Economy
Displaying fares for May-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 San Francisco (SFO) flights

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    More United deals on Barcelona (BCN) to San Francisco (SFO) flights
    From
    To
    Fare Type
    Dates
    Price
    Barcelona (BCN)San Francisco (SFO)Roundtrip
    |
    Economy    		06/18/26 - 07/28/26

    from

    $ 733

    Viewed: 19 hours ago

    Barcelona (BCN)San Francisco (SFO)Roundtrip
    |
    Economy    		06/18/26 - 07/29/26

    from

    $ 752

    Viewed: 19 hours ago

    Barcelona (BCN)San Francisco (SFO)Roundtrip
    |
    Economy    		07/15/26 - 07/25/26

    from

    $ 960

    Viewed: 15 hours ago

    Barcelona (BCN)San Francisco (SFO)Roundtrip
    |
    Economy    		08/12/26 - 09/05/26

    from

    $ 977

    Viewed: 11 hours ago

    Barcelona (BCN)San Francisco (SFO)Roundtrip
    |
    Economy    		06/21/26 - 07/29/26

    from

    $ 986

    Viewed: 19 hours ago

    Barcelona (BCN)San Francisco (SFO)Roundtrip
    |
    Economy    		07/29/26 - 09/15/26

    from

    $ 1,018

    Viewed: 20 hours ago

    Barcelona (BCN)San Francisco (SFO)Roundtrip
    |
    Economy    		07/29/26 - 08/11/26

    from

    $ 1,022

    Viewed: 18 hours ago

    Barcelona (BCN)San Francisco (SFO)Roundtrip
    |
    Economy    		07/03/26 - 07/05/26

    from

    $ 1,098

    Viewed: 15 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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