San Francisco (SFO) to Bilbao (BIO) flight deal in economy from $710
$954 USD
-26%$710 USD
Verified about 12 hours agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
30% of dates checked are available within 10% of the lowest price
Saturday, August 8th, 2026
7 round-trip options
Returning
Thu, Aug 13, 2026•5 Day Trip
$1,609 USD
Returning
Fri, Aug 14, 2026•6 Day Trip
$1,609 USD
Returning
Sat, Aug 15, 2026•7 Day Trip
$1,915 USD
Returning
Sun, Aug 16, 2026•8 Day Trip
$1,749 USD
Returning
Mon, Aug 17, 2026•9 Day Trip
$1,304 USD
Returning
Tue, Aug 18, 2026•10 Day Trip
$1,032 USD
Returning
Sat, Aug 22, 2026•14 Day Trip
$1,100 USD