San Francisco (SFO) to Bilbao (BIO) flight deal in economy from $710
$954 USD
-26%$710 USD
Verified about 4 hours agoOctober 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Thursday, October 29th, 2026
5 round-trip options
Returning
Wed, Nov 4, 2026•6 Day Trip
$810 USD
Returning
Mon, Nov 9, 2026•11 Day Trip
$830 USD
Returning
Tue, Nov 10, 2026•12 Day Trip
$780 USD
Returning
Wed, Nov 11, 2026•13 Day Trip
$860 USD
Returning
Thu, Nov 12, 2026•14 Day Trip
$860 USD