San Francisco (SFO) to Bilbao (BIO) flight deal in economy from $710
$954 USD
-26%$710 USD
Verified about 4 hours agoNovember 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Wednesday, November 25th, 2026
5 round-trip options
Returning
Tue, Dec 1, 2026•6 Day Trip
$756 USD
Returning
Wed, Dec 2, 2026•7 Day Trip
$726 USD
Returning
Fri, Dec 4, 2026•9 Day Trip
$726 USD
Returning
Sun, Dec 6, 2026•11 Day Trip
$783 USD
Returning
Wed, Dec 9, 2026•14 Day Trip
$726 USD