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
Sunday, December 20th, 2026
3 round-trip options
Returning
Tue, Dec 29, 2026•9 Day Trip
$1,231 USD
Returning
Fri, Jan 1, 2027•12 Day Trip
$1,248 USD
Returning
Sun, Jan 3, 2027•14 Day Trip
$1,328 USD