Bilbao (BIO) to Chicago (ORD) flight deal in economy from $499
$955 USD
-48%$499 USD
Verified about 9 hours agoJuly 2026
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Rare Availability
7% of dates checked are available within 10% of the lowest price
Thursday, July 23rd, 2026
10 round-trip options
Returning
Tue, Jul 28, 2026•5 Day Trip
$821 USD
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Wed, Jul 29, 2026•6 Day Trip
$821 USD
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Thu, Jul 30, 2026•7 Day Trip
$821 USD
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Fri, Jul 31, 2026•8 Day Trip
$879 USD
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Sat, Aug 1, 2026•9 Day Trip
$839 USD
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Sun, Aug 2, 2026•10 Day Trip
$1,076 USD
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Mon, Aug 3, 2026•11 Day Trip
$937 USD
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Tue, Aug 4, 2026•12 Day Trip
$1,128 USD
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Wed, Aug 5, 2026•13 Day Trip
$1,216 USD
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Thu, Aug 6, 2026•14 Day Trip
$1,332 USD