San Francisco (SFO) to Bilbao (BIO) flight deal in economy from $710
$954 USD
-26%$710 USD
Verified about 8 hours agoDecember 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Wednesday, December 30th, 2026
5 round-trip options
Returning
Tue, Jan 5, 2027•6 Day Trip
$1,053 USD
Returning
Wed, Jan 6, 2027•7 Day Trip
$843 USD
Returning
Fri, Jan 8, 2027•9 Day Trip
$893 USD
Returning
Sun, Jan 10, 2027•11 Day Trip
$877 USD
Returning
Wed, Jan 13, 2027•14 Day Trip
$733 USD