Bilbao (BIO) to Chicago (ORD) flight deal in economy from $399
$903 USD
-56%$399 USD
Verified 16 days agoDecember 2026
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Limited Availability
10% of dates checked are available within 10% of the lowest price
Tuesday, December 22nd, 2026
3 round-trip options
Returning
Thu, Dec 31, 2026•9 Day Trip
$1,033 USD
Returning
Sun, Jan 3, 2027•12 Day Trip
$1,205 USD
Returning
Tue, Jan 5, 2027•14 Day Trip
$1,187 USD