San Francisco (SFO) to Bilbao (BIO) flight deal in economy from $710
$954 USD
-26%$710 USD
Verified about 8 hours agoJuly 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Thursday, July 16th, 2026
7 round-trip options
Returning
Tue, Jul 21, 2026•5 Day Trip
$1,139 USD
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Wed, Jul 22, 2026•6 Day Trip
$1,132 USD
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Thu, Jul 23, 2026•7 Day Trip
$1,125 USD
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Fri, Jul 24, 2026•8 Day Trip
$1,134 USD
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Sat, Jul 25, 2026•9 Day Trip
$1,204 USD
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Sun, Jul 26, 2026•10 Day Trip
$1,209 USD
Returning
Thu, Jul 30, 2026•14 Day Trip
$1,134 USD