Bilbao (BIO) to San Francisco (SFO) flight deal in economy from $505
$802 USD
-37%$505 USD
Verified 14 days agoJanuary 2027
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Limited Availability
11% of dates checked are available within 10% of the lowest price
Friday, January 29th, 2027
4 round-trip options
Returning
Fri, Feb 5, 2027•7 Day Trip
$688 USD
Returning
Sat, Feb 6, 2027•8 Day Trip
$688 USD
Returning
Mon, Feb 8, 2027•10 Day Trip
$671 USD
Returning
Thu, Feb 11, 2027•13 Day Trip
$671 USD