Bilbao (BIO) to Chicago (ORD) flight deal in economy from $399
$903 USD
-56%$399 USD
Verified 16 days agoNovember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Limited Availability
10% of dates checked are available within 10% of the lowest price
Saturday, November 21st, 2026
3 round-trip options
Returning
Mon, Nov 30, 2026•9 Day Trip
$417 USD
Returning
Thu, Dec 3, 2026•12 Day Trip
$823 USD
Returning
Sat, Dec 5, 2026•14 Day Trip
$434 USD