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: Wed Oct 25 2017 Return: Tue Nov 7 2017 Trip spans 14 days
Turkish Airlines
Turkish Airlines
ORD
BIO
31h 20m
1 stop
BIO
ORD
32h 25m
1 stop
Depart: Mon Oct 30 2017 Return: Tue Nov 7 2017 Trip spans 9 days
Aer Lingus
Aer Lingus
ORD
BIO
11h 05m
1 stop
BIO
ORD
29h 55m
1 stop
Depart: Thu Oct 26 2017 Return: Wed Nov 15 2017 Trip spans 21 days
British Airways
British Airways
ORD
BIO
18h 20m
1 stop
BIO
ORD
14h 30m
1 stop
Depart: Tue Dec 5 2017 Return: Fri Dec 8 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
ORD
BIO
19h 45m
1 stop
BIO
ORD
14h 30m
1 stop
Depart: Thu Oct 26 2017 Return: Wed Nov 15 2017 Trip spans 21 days
KLM
KLM
MDW
BIO
14h 45m
2 stops
BIO
MDW
18h 06m
2 stops
Depart: Sat Oct 28 2017 Return: Sat Nov 4 2017 Trip spans 8 days
Delta
Delta
MDW
BIO
15h 45m
2 stops
BIO
MDW
20h 04m
2 stops
Depart: Thu Oct 26 2017 Return: Tue Nov 7 2017 Trip spans 13 days
Turkish Airlines
Turkish Airlines
ORD
BIO
35h 25m
1 stop
BIO
ORD
32h 25m
1 stop
Depart: Sun Oct 29 2017 Return: Tue Nov 7 2017 Trip spans 10 days
Turkish Airlines
Turkish Airlines
ORD
BIO
35h 15m
1 stop
BIO
ORD
32h 25m
1 stop
Depart: Wed Oct 25 2017 Return: Fri Nov 3 2017 Trip spans 10 days
Turkish Airlines
Turkish Airlines
ORD
BIO
31h 20m
1 stop
BIO
ORD
32h 25m
1 stop
Depart: Thu Jan 4 2018 Return: Sat Jan 6 2018 Trip spans 3 days
$1463
Select
TAP AIR PORTUGAL
TAP AIR PORTUGAL
ORD
BIO
29h 07m
2 stops
BIO
ORD
32h 17m
2 stops
Depart: Tue Jan 2 2018 Return: Sun Jan 7 2018 Trip spans 6 days
$1538
Select
Lufthansa
Lufthansa
ORD
BIO
12h 15m
1 stop
BIO
ORD
13h 15m
1 stop
Depart: Thu Oct 26 2017 Return: Fri Nov 3 2017 Trip spans 9 days
Turkish Airlines
Turkish Airlines
ORD
BIO
35h 25m
1 stop
BIO
ORD
32h 25m
1 stop
Depart: Mon Oct 30 2017 Return: Sat Nov 4 2017 Trip spans 6 days
Aer Lingus
Aer Lingus
ORD
BIO
11h 05m
1 stop
BIO
ORD
29h 55m
1 stop
Depart: Thu Dec 14 2017 Return: Mon Jan 15 2018 Trip spans 33 days
British Airways
British Airways
ORD
BIO
16h 25m
2 stops
BIO
ORD
11h 55m
1 stop
Depart: Fri Oct 27 2017 Return: Tue Nov 7 2017 Trip spans 12 days
Turkish Airlines
Turkish Airlines
ORD
BIO
35h 55m
1 stop
BIO
ORD
32h 25m
1 stop
Depart: Thu Oct 19 2017 Return: Mon Oct 23 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
ORD
BIO
19h 46m
3 stops
BIO
ORD
32h 15m
3 stops
Depart: Thu Oct 19 2017 Return: Mon Oct 23 2017 Trip spans 5 days
KLM
KLM
MDW
BIO
14h 45m
2 stops
BIO
MDW
16h 03m
2 stops
Depart: Fri Oct 27 2017 Return: Fri Nov 3 2017 Trip spans 8 days
Turkish Airlines
Turkish Airlines
ORD
BIO
35h 55m
1 stop
BIO
ORD
32h 25m
1 stop
Depart: Sun Oct 29 2017 Return: Mon Nov 6 2017 Trip spans 9 days
British Airways
British Airways
ORD
BIO
13h 15m
1 stop
BIO
ORD
11h 55m
1 stop
Depart: Mon Oct 30 2017 Return: Mon Nov 6 2017 Trip spans 8 days
British Airways
British Airways
ORD
BIO
13h 15m
1 stop
BIO
ORD
11h 55m
1 stop
* 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 $580
only $937
Destination

Bilbao
$580