Bilbao (BIO) to Chicago (ORD) flight deal in economy from $399
$903 USD
-56%$399 USD
Verified 16 days agoNovember 2026
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Limited Availability
10% of dates checked are available within 10% of the lowest price
Sunday, November 8th, 2026
3 round-trip options
Returning
Tue, Nov 17, 2026•9 Day Trip
$417 USD
Returning
Fri, Nov 20, 2026•12 Day Trip
$685 USD
Returning
Sun, Nov 22, 2026•14 Day Trip
$434 USD