Chicago (ORD) to Bilbao (BIO) flight deal in economy from $727
$980 USD
-26%$727 USD
Verified about 7 hours agoJune 2026
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Good Availability
42% of dates checked are available within 10% of the lowest price
Monday, June 8th, 2026
10 round-trip options
Returning
Sat, Jun 13, 2026•5 Day Trip
$1,643 USD
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Sun, Jun 14, 2026•6 Day Trip
$1,519 USD
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Mon, Jun 15, 2026•7 Day Trip
$1,260 USD
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Tue, Jun 16, 2026•8 Day Trip
$1,529 USD
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Wed, Jun 17, 2026•9 Day Trip
$1,289 USD
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Thu, Jun 18, 2026•10 Day Trip
$1,182 USD
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Fri, Jun 19, 2026•11 Day Trip
$1,270 USD
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Sat, Jun 20, 2026•12 Day Trip
$1,740 USD
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Sun, Jun 21, 2026•13 Day Trip
$1,468 USD
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Mon, Jun 22, 2026•14 Day Trip
$1,252 USD