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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 April , May 2026

28 Apr - 22 May $ 559.00
CHI
Chicago
Turkish Airlines
1 STOPS
BIO
Bilbao
BIO
Bilbao
Turkish Airlines
1 STOPS
CHI
Chicago
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04 Apr - 03 May $ 1,086.00
CHI
Chicago
TAP Portugal
1 STOPS
BIO
Bilbao
BIO
Bilbao
TAP Portugal
1 STOPS
CHI
Chicago
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07 Apr - 09 May $ 1,673.00
CHI
Chicago
Iberia Airlines
1 STOPS
BIO
Bilbao
BIO
Bilbao
Iberia Airlines
1 STOPS
CHI
Chicago
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Last minute flights from Chicago to Bilbao

25 Apr - 01 May $ 679.00
CHI
Chicago
Turkish Airlines
1 STOPS
BIO
Bilbao
BIO
Bilbao
Turkish Airlines
1 STOPS
CHI
Chicago
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04 Apr - 01 May $ 1,093.00
CHI
Chicago
TAP Portugal
1 STOPS
BIO
Bilbao
BIO
Bilbao
TAP Portugal
1 STOPS
CHI
Chicago
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12 Apr - 01 May $ 1,163.00
CHI
Chicago
Turkish Airlines
1 STOPS
BIO
Bilbao
BIO
Bilbao
Turkish Airlines
1 STOPS
CHI
Chicago
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One-way flights to Bilbao from Chicago

7:25 PM - 5:30 PM
Vueling
2 Stops
16h 20m
CHI - BIO
$ 373
Kiwi
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6:05 PM - 3:30 PM
TAP Portugal
1 Stops
17h
CHI - BIO
$ 526
Kiwi
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6:15 PM - 11:10 AM
United Airlines
1 Stops
12h 5m
CHI - BIO
$ 762
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.