San Francisco (SFO) to Bilbao (BIO) flight deal in economy from $710
$954 USD
-26%$710 USD
Verified about 6 hours agoDecember 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Saturday, December 26th, 2026
5 round-trip options
Returning
Fri, Jan 1, 2027•6 Day Trip
$1,108 USD
Returning
Sat, Jan 2, 2027•7 Day Trip
$1,273 USD
Returning
Mon, Jan 4, 2027•9 Day Trip
$1,273 USD
Returning
Wed, Jan 6, 2027•11 Day Trip
$893 USD
Returning
Sat, Jan 9, 2027•14 Day Trip
$1,125 USD