San Francisco (SFO) to Bilbao (BIO) flight deal in economy from $710
$954 USD
-26%$710 USD
Verified about 9 hours agoAugust 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Saturday, August 15th, 2026
7 round-trip options
Returning
Thu, Aug 20, 2026•5 Day Trip
$1,406 USD
Returning
Fri, Aug 21, 2026•6 Day Trip
$1,318 USD
Returning
Sat, Aug 22, 2026•7 Day Trip
$933 USD
Returning
Sun, Aug 23, 2026•8 Day Trip
$933 USD
Returning
Mon, Aug 24, 2026•9 Day Trip
$867 USD
Returning
Tue, Aug 25, 2026•10 Day Trip
$866 USD
Returning
Sat, Aug 29, 2026•14 Day Trip
$933 USD