San Francisco (SFO) to Bilbao (BIO) flight deal in economy from $710
$954 USD
-26%$710 USD
Verified about 4 hours agoDecember 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Thursday, December 3rd, 2026
5 round-trip options
Returning
Wed, Dec 9, 2026•6 Day Trip
$780 USD
Returning
Thu, Dec 10, 2026•7 Day Trip
$780 USD
Returning
Sat, Dec 12, 2026•9 Day Trip
$830 USD
Returning
Mon, Dec 14, 2026•11 Day Trip
$780 USD
Returning
Thu, Dec 17, 2026•14 Day Trip
$912 USD