Flights from Bilbao to San Francisco from $ 839*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Bilbao (BIO) to San Francisco (SFO)

May 2026
From$ 839*
Viewed: 5 hours ago
RoundTrip|Economy
Jun 2026
No result for this month
Jul 2026
From$ 928*
Viewed: 3 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $ 839
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    • Range$ 839-$ 1,125

    *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 Bilbao (BIO) to San Francisco (SFO) flights

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    More United deals on Bilbao (BIO) to San Francisco (SFO) flights
    From
    To
    Fare Type
    Dates
    Price
    Bilbao (BIO)San Francisco (SFO)Roundtrip
    |
    Economy    		05/18/26 - 05/26/26

    from

    $ 839

    Viewed: 5 hours ago

    Bilbao (BIO)San Francisco (SFO)Roundtrip
    |
    Economy    		07/03/26 - 07/17/26

    from

    $ 928

    Viewed: 3 hours ago

    Bilbao (BIO)San Francisco (SFO)Roundtrip
    |
    Economy    		05/11/26 - 05/19/26

    from

    $ 1,125

    Viewed: 4 hours ago

    Bilbao (BIO)San Francisco (SFO)Roundtrip
    |
    Economy    		05/18/26 - 05/26/26

    from

    $ 1,372

    Viewed: 5 hours ago

    Bilbao (BIO)San Francisco (SFO)Roundtrip
    |
    Economy    		07/03/26 - 07/17/26

    from

    $ 1,453

    Viewed: 3 hours ago

    Bilbao (BIO)San Francisco (SFO)Roundtrip
    |
    Economy    		07/03/26 - 07/17/26

    from

    $ 3,041

    Viewed: 3 hours ago

    Bilbao (BIO)San Francisco (SFO)Roundtrip
    |
    Economy    		05/11/26 - 05/19/26

    from

    $ 3,067

    Viewed: 4 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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