San Francisco (SFO) to Bilbao (BIO) flight deal in economy from $710
$954 USD
-26%$710 USD
Verified about 4 hours agoDecember 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Friday, December 4th, 2026
5 round-trip options
Returning
Thu, Dec 10, 2026•6 Day Trip
$760 USD
Returning
Fri, Dec 11, 2026•7 Day Trip
$760 USD
Returning
Sun, Dec 13, 2026•9 Day Trip
$810 USD
Returning
Tue, Dec 15, 2026•11 Day Trip
$760 USD
Returning
Fri, Dec 18, 2026•14 Day Trip
$1,072 USD