Bilbao (BIO) to San Francisco (SFO) flight deal in economy from $649
$921 USD
-30%$649 USD
Verified about 3 hours agoDecember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Limited Availability
19% of dates checked are available within 10% of the lowest price
Thursday, December 24th, 2026
10 round-trip options
Returning
Tue, Dec 29, 2026•5 Day Trip
$885 USD
Returning
Wed, Dec 30, 2026•6 Day Trip
$885 USD
Returning
Thu, Dec 31, 2026•7 Day Trip
$891 USD
Returning
Fri, Jan 1, 2027•8 Day Trip
$908 USD
Returning
Sat, Jan 2, 2027•9 Day Trip
$1,194 USD
Returning
Sun, Jan 3, 2027•10 Day Trip
$981 USD
Returning
Mon, Jan 4, 2027•11 Day Trip
$964 USD
Returning
Tue, Jan 5, 2027•12 Day Trip
$885 USD
Returning
Wed, Jan 6, 2027•13 Day Trip
$885 USD
Returning
Thu, Jan 7, 2027•14 Day Trip
$885 USD