San Francisco (SFO) to Bilbao (BIO) flight deal in economy from $710
$954 USD
-26%$710 USD
Verified about 6 hours agoDecember 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Friday, December 11th, 2026
5 round-trip options
Returning
Thu, Dec 17, 2026•6 Day Trip
$935 USD
Returning
Fri, Dec 18, 2026•7 Day Trip
$1,085 USD
Returning
Sun, Dec 20, 2026•9 Day Trip
$1,255 USD
Returning
Tue, Dec 22, 2026•11 Day Trip
$866 USD
Returning
Fri, Dec 25, 2026•14 Day Trip
$907 USD