Chicago (ORD) to Bilbao (BIO) flight deal in economy from $735

American AirlinesAAAmerican AirlinesFinnairAYFinnairBritish AirwaysBABritish AirwaysIberia AirlinesIBIberia Airlines
Round Trip•Economy
United StatesORD

O'Hare International Airport

Chicago, United States
SpainBIO

Bilbao Airport

Bilbao, Spain
$969 USD
-24%$735 USD
Verified 1 day ago
Fair Availability
29% of dates checked are available within 10% of the lowest price

Monday, November 9th, 2026

2 round-trip options

Returning
Sat, Nov 14, 2026•5 Day Trip
$790 USD
Google Flights
Returning
Thu, Nov 19, 2026•10 Day Trip
$735 USD
Google Flights