San Francisco (SFO) to Bilbao (BIO) flight deal in economy from $710
$954 USD
-26%$710 USD
Verified about 4 hours agoNovember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
30% of dates checked are available within 10% of the lowest price
Sunday, November 22nd, 2026
5 round-trip options
Returning
Sat, Nov 28, 2026•6 Day Trip
$1,153 USD
Returning
Sun, Nov 29, 2026•7 Day Trip
$991 USD
Returning
Tue, Dec 1, 2026•9 Day Trip
$793 USD
Returning
Thu, Dec 3, 2026•11 Day Trip
$763 USD
Returning
Sun, Dec 6, 2026•14 Day Trip
$886 USD