Bilbao (BIO) to Chicago (ORD) flight deal in economy from $399
$903 USD
-56%$399 USD
Verified 16 days agoDecember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Limited Availability
10% of dates checked are available within 10% of the lowest price
Sunday, December 6th, 2026
3 round-trip options
Returning
Tue, Dec 15, 2026•9 Day Trip
$1,142 USD
Returning
Fri, Dec 18, 2026•12 Day Trip
$1,273 USD
Returning
Sun, Dec 20, 2026•14 Day Trip
$1,702 USD