Bilbao (BIO) to Chicago (ORD) flight deal in economy from $399
$903 USD
-56%$399 USD
Verified 15 days agoJuly 2026
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Limited Availability
10% 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
$936 USD
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Thu, Aug 6, 2026•6 Day Trip
$936 USD
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Fri, Aug 7, 2026•7 Day Trip
$1,027 USD
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Sat, Aug 8, 2026•8 Day Trip
$1,027 USD
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Sun, Aug 9, 2026•9 Day Trip
$976 USD
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Thu, Aug 13, 2026•13 Day Trip
$1,119 USD
Returning
Fri, Aug 14, 2026•14 Day Trip
$1,136 USD