Find Deals on Flights from Chicago to Bilbao (CHI - BIO)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Chicago to Bilbao

(Round-trip)
Depart: Tue Feb 7 2017 Return: Thu Feb 16 2017 Trip spans 10 days
Turkish Airlines
Turkish Airlines
ORD
BIO
35h 10m
1 stop
BIO
ORD
33h 25m
1 stop
Depart: Tue Jun 6 2017 Return: Mon Jun 19 2017 Trip spans 14 days
British Airways
British Airways
ORD
BIO
19h 50m
1 stop
BIO
ORD
13h 20m
1 stop
Depart: Thu May 25 2017 Return: Sat Jun 3 2017 Trip spans 10 days
Aer Lingus
Aer Lingus
ORD
BIO
13h 05m
1 stop
BIO
ORD
32h 10m
1 stop
Depart: Fri Jan 20 2017 Return: Sun Jan 29 2017 Trip spans 10 days
Turkish Airlines
Turkish Airlines
ORD
BIO
35h 10m
1 stop
BIO
ORD
33h 25m
1 stop
Depart: Fri Mar 24 2017 Return: Sun Apr 2 2017 Trip spans 10 days
$1253
Select
Delta
Delta
MDW
BIO
18h 58m
2 stops
BIO
MDW
37h 38m
2 stops
Depart: Wed Jul 26 2017 Return: Tue Aug 8 2017 Trip spans 14 days
$1481
Select
KLM
KLM
MDW
BIO
19h 05m
2 stops
BIO
MDW
17h 09m
2 stops
Depart: Fri Apr 14 2017 Return: Tue Apr 25 2017 Trip spans 12 days
$1312
Select
Delta
Delta
MDW
BIO
19h 00m
2 stops
BIO
MDW
18h 07m
2 stops
Depart: Fri May 5 2017 Return: Fri May 19 2017 Trip spans 15 days
$1362
Select
Delta
Delta
MDW
BIO
19h 00m
2 stops
BIO
MDW
15h 23m
2 stops
Depart: Tue Jan 24 2017 Return: Wed Feb 1 2017 Trip spans 9 days
$1687
Select
KLM
KLM
MDW
BIO
14h 37m
2 stops
BIO
MDW
22h 56m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Chicago
only $538
only $1253
Destination

Bilbao
$538