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 Sep 18 2017 Return: Fri Sep 29 2017 Trip spans 12 days
Turkish Airlines
Turkish Airlines
ORD
BIO
35h 25m
1 stop
BIO
ORD
35h 40m
1 stop
Depart: Tue Sep 12 2017 Return: Tue Sep 19 2017 Trip spans 8 days
TAP Portugal
TAP Portugal
ORD
BIO
27h 53m
2 stops
BIO
ORD
30h 38m
2 stops
Depart: Tue Aug 29 2017 Return: Mon Sep 4 2017 Trip spans 7 days
$1041
Select
Aer Lingus
Aer Lingus
ORD
BIO
17h 35m
1 stop
BIO
ORD
32h 10m
1 stop
Depart: Sun Sep 17 2017 Return: Thu Sep 28 2017 Trip spans 12 days
$1354
Select
KLM
KLM
MDW
BIO
14h 40m
2 stops
BIO
MDW
19h 27m
2 stops
Depart: Tue Jul 4 2017 Return: Thu Jul 13 2017 Trip spans 10 days
$1447
Select
Multiple Airlines
Multiple Airlines
ORD
BIO
14h 35m
1 stop
BIO
ORD
27h 35m
1 stop
Depart: Tue Jul 4 2017 Return: Thu Jul 13 2017 Trip spans 10 days
$1498
Select
Delta
Delta
MDW
BIO
18h 55m
2 stops
BIO
MDW
17h 34m
2 stops
Depart: Mon Sep 11 2017 Return: Wed Sep 20 2017 Trip spans 10 days
Turkish Airlines
Turkish Airlines
ORD
BIO
35h 25m
1 stop
BIO
ORD
31h 35m
1 stop
Depart: Mon Sep 11 2017 Return: Tue Sep 19 2017 Trip spans 9 days
$1404
Select
KLM
KLM
MDW
BIO
14h 40m
2 stops
BIO
MDW
17h 37m
2 stops
Depart: Tue Sep 12 2017 Return: Tue Sep 19 2017 Trip spans 8 days
$1404
Select
KLM
KLM
MDW
BIO
14h 40m
2 stops
BIO
MDW
17h 37m
2 stops
Depart: Thu Jun 29 2017 Return: Tue Jul 4 2017 Trip spans 6 days
$1858
Select
Multiple Airlines
Multiple Airlines
ORD
BIO
35h 25m
1 stop
BIO
ORD
38h 00m
2 stops
Depart: Thu Jun 29 2017 Return: Tue Jul 4 2017 Trip spans 6 days
$1951
Select
Delta
Delta
MDW
BIO
16h 06m
2 stops
BIO
MDW
20h 56m
2 stops
Depart: Tue Aug 29 2017 Return: Mon Sep 4 2017 Trip spans 7 days
$1654
Select
KLM
KLM
MDW
BIO
13h 35m
2 stops
BIO
MDW
15h 42m
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 $593
only $1354
Destination

Bilbao
$593