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Cheap flights from Chicago (CHI) to Bilbao (BIO)

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How to find the cheapest flight from Chicago (CHI) to Bilbao (BIO)

How to find the cheapest flight from Chicago (CHI) to Bilbao (BIO)
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How to find the cheapest flight from Chicago (CHI) to Bilbao (BIO)
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How to find the cheapest flight from Chicago (CHI) to Bilbao (BIO)
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Cheap flights from Chicago to Bilbao in June , July 2026

29 Jun - 09 Jul $ 1,242.00
CHI
Chicago
LOT Polish Airlines
2 STOPS
BIO
Bilbao
BIO
Bilbao
LOT Polish Airlines
2 STOPS
CHI
Chicago
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30 Jun - 08 Jul $ 1,609.00
CHI
Chicago
TAP Portugal
1 STOPS
BIO
Bilbao
BIO
Bilbao
TAP Portugal
1 STOPS
CHI
Chicago
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29 Jun - 08 Jul $ 1,620.00
CHI
Chicago
TAP Portugal
1 STOPS
BIO
Bilbao
BIO
Bilbao
TAP Portugal
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to Bilbao

29 Jun - 01 Jul $ 1,421.00
CHI
Chicago
Air Canada
2 STOPS
BIO
Bilbao
BIO
Bilbao
Air Canada
3 STOPS
CHI
Chicago
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28 Jun - 01 Jul $ 2,240.00
CHI
Chicago
TAP Portugal
1 STOPS
BIO
Bilbao
BIO
Bilbao
TAP Portugal
1 STOPS
CHI
Chicago
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29 Jun - 01 Jul $ 2,245.00
CHI
Chicago
TAP Portugal
1 STOPS
BIO
Bilbao
BIO
Bilbao
TAP Portugal
1 STOPS
CHI
Chicago
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One-way flights to Bilbao from Chicago

10:16 AM - 1:40 PM
Vueling
2 Stops
23h 29m
CHI - BIO
$ 657
Kiwi
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9:00 PM - 2:20 PM
Aer Lingus
1 Stops
13h 25m
CHI - BIO
$ 869
Kiwi
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4:40 PM - 9:15 PM
United Airlines
1 Stops
11h 5m
CHI - BIO
$ 944
Kiwi
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How to find the cheapest flight from Chicago (CHI) to Bilbao (BIO)

Related info for your journey
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How to find the cheapest flight from Chicago (CHI) to Bilbao (BIO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Chicago (CHI) to Bilbao (BIO)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.