Bilbao (BIO) to Chicago (ORD) flight deal in economy from $399
$903 USD
-56%$399 USD
Verified 16 days agoJuly 2026
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Limited Availability
10% of dates checked are available within 10% of the lowest price
Sunday, July 19th, 2026
7 round-trip options
Returning
Fri, Jul 24, 2026•5 Day Trip
$1,388 USD
Returning
Sat, Jul 25, 2026•6 Day Trip
$804 USD
Returning
Sun, Jul 26, 2026•7 Day Trip
$804 USD
Returning
Mon, Jul 27, 2026•8 Day Trip
$787 USD
Returning
Tue, Jul 28, 2026•9 Day Trip
$787 USD
Returning
Sat, Aug 1, 2026•13 Day Trip
$1,153 USD
Returning
Sun, Aug 2, 2026•14 Day Trip
$999 USD