Bilbao (BIO) to Chicago (ORD) flight deal in economy from $399
$903 USD
-56%$399 USD
Verified 15 days agoAugust 2026
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Limited Availability
10% of dates checked are available within 10% of the lowest price
Saturday, August 1st, 2026
7 round-trip options
Returning
Thu, Aug 6, 2026•5 Day Trip
$1,365 USD
Returning
Fri, Aug 7, 2026•6 Day Trip
$1,398 USD
Returning
Sat, Aug 8, 2026•7 Day Trip
$970 USD
Returning
Sun, Aug 9, 2026•8 Day Trip
$918 USD
Returning
Mon, Aug 10, 2026•9 Day Trip
$878 USD
Returning
Fri, Aug 14, 2026•13 Day Trip
$1,565 USD
Returning
Sat, Aug 15, 2026•14 Day Trip
$1,565 USD