Find Cheap 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
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Chicago to Bilbao

(Round-trip)
Depart: Mon Dec 18 2017 Return: Mon Jan 8 2018 Trip spans 22 days
KLM
KLM
MDW
BIO
17h 00m
2 stops
BIO
MDW
20h 20m
2 stops
Depart: Wed Sep 13 2017 Return: Wed Sep 27 2017 Trip spans 15 days
British Airways
British Airways
ORD
BIO
15h 10m
1 stop
BIO
ORD
14h 25m
1 stop
Depart: Mon Dec 18 2017 Return: Mon Jan 8 2018 Trip spans 22 days
KLM
KLM
ORD
BIO
16h 50m
2 stops
BIO
ORD
18h 11m
2 stops
Depart: Thu Nov 9 2017 Return: Fri Nov 24 2017 Trip spans 16 days
KLM
KLM
ORD
BIO
18h 45m
2 stops
BIO
ORD
20h 28m
2 stops
Depart: Tue Sep 12 2017 Return: Tue Sep 19 2017 Trip spans 8 days
$1405
Select
Delta
Delta
MDW
BIO
16h 45m
2 stops
BIO
MDW
16h 00m
2 stops
Depart: Fri Nov 10 2017 Return: Thu Nov 23 2017 Trip spans 14 days
KLM
KLM
MDW
BIO
20h 45m
2 stops
BIO
MDW
23h 03m
2 stops
Depart: Tue Sep 12 2017 Return: Tue Sep 19 2017 Trip spans 8 days
British Airways
British Airways
ORD
BIO
18h 20m
1 stop
BIO
ORD
27h 35m
1 stop
Depart: Wed Dec 20 2017 Return: Sun Dec 31 2017 Trip spans 12 days
KLM
KLM
ORD
BIO
19h 05m
2 stops
BIO
ORD
22h 02m
2 stops
Depart: Sat Aug 19 2017 Return: Tue Aug 29 2017 Trip spans 11 days
KLM
KLM
MDW
BIO
15h 55m
2 stops
BIO
MDW
19h 18m
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.

We compile tonnes of data for you
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,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Chicago
only $544
only $544
Destination

Bilbao
$544