San Francisco (SFO) to Bilbao (BIO) flight deal in economy from $727
$867 USD
-16%$727 USD
Verified 13 days agoJuly 2026
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Good Availability
52% of dates checked are available within 10% of the lowest price
Wednesday, July 15th, 2026
10 round-trip options
Returning
Mon, Jul 20, 2026•5 Day Trip
$1,128 USD
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Tue, Jul 21, 2026•6 Day Trip
$1,078 USD
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Wed, Jul 22, 2026•7 Day Trip
$1,073 USD
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Thu, Jul 23, 2026•8 Day Trip
$1,078 USD
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Fri, Jul 24, 2026•9 Day Trip
$1,068 USD
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Sat, Jul 25, 2026•10 Day Trip
$1,148 USD
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Sun, Jul 26, 2026•11 Day Trip
$1,143 USD
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Mon, Jul 27, 2026•12 Day Trip
$1,095 USD
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Tue, Jul 28, 2026•13 Day Trip
$1,069 USD
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Wed, Jul 29, 2026•14 Day Trip
$1,100 USD