Bilbao (BIO) to Chicago (ORD) flight deal in economy from $499
$955 USD
-48%$499 USD
Verified about 7 hours agoAugust 2026
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Rare Availability
7% of dates checked are available within 10% of the lowest price
Wednesday, August 19th, 2026
10 round-trip options
Returning
Mon, Aug 24, 2026•5 Day Trip
$913 USD
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Tue, Aug 25, 2026•6 Day Trip
$913 USD
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Wed, Aug 26, 2026•7 Day Trip
$760 USD
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Thu, Aug 27, 2026•8 Day Trip
$947 USD
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Fri, Aug 28, 2026•9 Day Trip
$766 USD
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Sat, Aug 29, 2026•10 Day Trip
$1,146 USD
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Sun, Aug 30, 2026•11 Day Trip
$949 USD
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Mon, Aug 31, 2026•12 Day Trip
$1,128 USD
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Tue, Sep 1, 2026•13 Day Trip
$1,285 USD
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Wed, Sep 2, 2026•14 Day Trip
$1,285 USD