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
Friday, July 31st, 2026
7 round-trip options
Returning
Wed, Aug 5, 2026•5 Day Trip
$1,145 USD
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Thu, Aug 6, 2026•6 Day Trip
$1,145 USD
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Fri, Aug 7, 2026•7 Day Trip
$1,145 USD
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Sat, Aug 8, 2026•8 Day Trip
$1,215 USD
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Sun, Aug 9, 2026•9 Day Trip
$1,365 USD
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Mon, Aug 10, 2026•10 Day Trip
$1,215 USD
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Fri, Aug 14, 2026•14 Day Trip
$1,187 USD