San Francisco (SFO) to Bilbao (BIO) flight deal in economy from $710
$954 USD
-26%$710 USD
Verified about 10 hours agoAugust 2026
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Tuesday, August 4th, 2026
7 round-trip options
Returning
Sun, Aug 9, 2026•5 Day Trip
$1,315 USD
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Mon, Aug 10, 2026•6 Day Trip
$1,315 USD
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Tue, Aug 11, 2026•7 Day Trip
$894 USD
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Wed, Aug 12, 2026•8 Day Trip
$924 USD
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Thu, Aug 13, 2026•9 Day Trip
$1,095 USD
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Fri, Aug 14, 2026•10 Day Trip
$983 USD
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Tue, Aug 18, 2026•14 Day Trip
$981 USD