Bilbao (BIO) to Chicago (ORD) flight deal in economy from $399

American AirlinesAAAmerican AirlinesFinnairAYFinnairBritish AirwaysBABritish AirwaysIberia AirlinesIBIberia Airlines
Round Trip•Economy
SpainBIO

Bilbao Airport

Bilbao, Spain
United StatesORD

O'Hare International Airport

Chicago, United States
$903 USD
-56%$399 USD
Verified 16 days ago
Limited Availability
10% of dates checked are available within 10% of the lowest price

Tuesday, December 1st, 2026

3 round-trip options

Returning
Thu, Dec 10, 2026•9 Day Trip
$901 USD
Google Flights
Returning
Sun, Dec 13, 2026•12 Day Trip
$919 USD
Google Flights
Returning
Tue, Dec 15, 2026•14 Day Trip
$1,056 USD
Google Flights