Chicago (ORD) to Bilbao (BIO) flight deal in economy from $727

Saturday, June 6th, 2026

10 round-trip options

Returning
Thu, Jun 11, 20265 Day Trip
$2,468 USD
Returning
Fri, Jun 12, 20266 Day Trip
$6,119 USD
Returning
Sat, Jun 13, 20267 Day Trip
$2,017 USD
Returning
Sun, Jun 14, 20268 Day Trip
$2,145 USD
Returning
Mon, Jun 15, 20269 Day Trip
$1,782 USD
Returning
Tue, Jun 16, 202610 Day Trip
$2,144 USD
Returning
Wed, Jun 17, 202611 Day Trip
$2,787 USD
Returning
Thu, Jun 18, 202612 Day Trip
$2,667 USD
Returning
Fri, Jun 19, 202613 Day Trip
$12,298 USD
Returning
Sat, Jun 20, 202614 Day Trip
$2,355 USD