Bilbao (BIO) to Chicago (ORD) flight deal in economy from $399
$903 USD
-56%$399 USD
Verified 16 days agoNovember 2026
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Limited Availability
10% of dates checked are available within 10% of the lowest price
Monday, November 23rd, 2026
3 round-trip options
Returning
Wed, Dec 2, 2026•9 Day Trip
$730 USD
Returning
Sat, Dec 5, 2026•12 Day Trip
$495 USD
Returning
Mon, Dec 7, 2026•14 Day Trip
$730 USD