Bilbao (BIO) to Chicago (ORD) flight deal in economy from $336

American AirlinesAAAmerican AirlinesFinnairAYFinnairBritish AirwaysBABritish AirwaysIberia AirlinesIBIberia Airlines
One Way•Economy
SpainBIO

Bilbao Airport

Bilbao, Spain
United StatesORD

O'Hare International Airport

Chicago, United States
$648 USD
-48%$336 USD
Verified about 5 hours ago
Rare Availability
7% of dates checked are available within 10% of the lowest price

Friday, October 2nd, 2026

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