Chicago (ORD) to Bilbao (BIO) flight deal in economy from $735
$940 USD
-22%$735 USD
Verified about 16 hours agoJanuary 2027
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Fair Availability
29% of dates checked are available within 10% of the lowest price
Monday, January 11th, 2027
5 round-trip options
Returning
Sat, Jan 16, 2027•5 Day Trip
$800 USD
Returning
Sun, Jan 17, 2027•6 Day Trip
$800 USD
Returning
Mon, Jan 18, 2027•7 Day Trip
$824 USD
Returning
Wed, Jan 20, 2027•9 Day Trip
$750 USD
Returning
Mon, Jan 25, 2027•14 Day Trip
$800 USD