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Cheap flights from Chicago to Bilbao from $401

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Bilbao departing on 7/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
11:25 am - 5:20 pm
ORD
-
BIO
22h 55m
1 stop
Turkish Airlines Logo
6:20 pm - 9:40 am
BIO
-
ORD
22h 20m
1 stop
$682Turkish Airlines
Tue, Sep 15 - Thu, Sep 24
Turkish Airlines Logo
8:10 pm - 5:20 pm
ORD
-
BIO
38h 10m
1 stop
Turkish Airlines Logo
12:10 pm - 9:40 am
BIO
-
ORD
28h 30m
1 stop
$683Turkish Airlines
Tue, Sep 8 - Tue, Sep 15
Turkish Airlines Logo
11:25 am - 5:20 pm
ORD
-
BIO
22h 55m
1 stop
Turkish Airlines Logo
6:20 pm - 9:40 am
BIO
-
ORD
22h 20m
1 stop
$698Turkish Airlines
Tue, Aug 18 - Wed, Sep 30
Turkish Airlines Logo
8:10 pm - 5:20 pm
ORD
-
BIO
38h 10m
1 stop
Turkish Airlines Logo
12:10 pm - 9:40 am
BIO
-
ORD
28h 30m
1 stop
$721Turkish Airlines
Tue, Sep 8 - Tue, Sep 15
Turkish Airlines Logo
8:10 pm - 5:20 pm
ORD
-
BIO
38h 10m
1 stop
Turkish Airlines Logo
12:10 pm - 9:40 am
BIO
-
ORD
28h 30m
1 stop
$726Turkish Airlines
Tue, Sep 8 - Tue, Sep 15
Scandinavian Airlines Logo
7:00 am - 6:45 pm
ORD
-
BIO
28h 45m
2 stops
Scandinavian Airlines Logo
7:35 pm - 10:06 pm
BIO
-
ORD
33h 31m
2 stops
$737Scandinavian Airlines
Tue, Aug 25 - Fri, Sep 4
Multiple Airlines Logo
7:10 pm - 11:15 pm
ORD
-
BIO
21h 05m
2 stops
Multiple Airlines Logo
6:45 am - 4:00 pm
BIO
-
ORD
16h 15m
1 stop
$741Multiple Airlines
Tue, Aug 18 - Wed, Sep 30
American Airlines Logo
8:54 am - 8:30 am
ORD
-
BIO
16h 36m
2 stops
American Airlines Logo
9:15 am - 7:35 pm
BIO
-
ORD
17h 20m
2 stops
$750American Airlines
Tue, Aug 18 - Wed, Sep 30
Turkish Airlines Logo
8:10 pm - 5:20 pm
ORD
-
BIO
38h 10m
1 stop
Turkish Airlines Logo
12:10 pm - 9:40 am
BIO
-
ORD
28h 30m
1 stop
$761Turkish Airlines
Mon, Sep 28 - Mon, Oct 5
Iberia Logo
4:55 pm - 12:45 pm
ORD
-
BIO
12h 50m
1 stop
Iberia Logo
6:45 am - 4:00 pm
BIO
-
ORD
16h 15m
1 stop
$763Iberia
Thu, Aug 20 - Fri, Aug 28

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Scandinavian Airlines flights from Chicago to Bilbao

Our best Scandinavian Airlines deals on Chicago to Bilbao flight tickets
Scandinavian Airlines
Aug 25
ORD7:00 amChicago O'Hare Intl
28h 45m
2 stops
BIO6:45 pmBilbao
Sep 4
BIO7:35 pmBilbao
33h 31m
2 stops
ORD10:06 pmChicago O'Hare Intl
$737
Scandinavian Airlines
Aug 25
ORD7:00 amChicago O'Hare Intl
28h 45m
2 stops
BIO6:45 pmBilbao
Sep 2
BIO7:35 pmBilbao
27h 35m
1 stop
ORD4:10 pmChicago O'Hare Intl
$797
Scandinavian Airlines
Aug 25
ORD7:15 pmChicago O'Hare Intl
16h 30m
1 stop
BIO6:45 pmBilbao
Sep 4
BIO7:35 pmBilbao
33h 31m
2 stops
ORD10:06 pmChicago O'Hare Intl
$803

Iberia flights from Chicago to Bilbao

Our best Iberia deals on Chicago to Bilbao flight tickets
Iberia
Aug 20
ORD4:55 pmChicago O'Hare Intl
12h 50m
1 stop
BIO12:45 pmBilbao
Aug 28
BIO6:45 amBilbao
16h 15m
1 stop
ORD4:00 pmChicago O'Hare Intl
$763
Iberia
Sep 28
ORD4:55 pmChicago O'Hare Intl
20h 55m
1 stop
BIO8:50 pmBilbao
Oct 9
BIO9:15 amBilbao
13h 45m
1 stop
ORD4:00 pmChicago O'Hare Intl
$767
Iberia
Aug 1
ORD5:33 pmChicago O'Hare Intl
31h 57m
2 stops
BIO8:30 amBilbao
Aug 19
BIO9:35 pmBilbao
23h 50m
1 stop
ORD2:25 pmChicago O'Hare Intl
$794

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 26, 2026.
Use the filters below to find and compare flights from Chicago to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 9/15

11:25 am-5:20 pm

1 stop22h 55m

Bilbao

Thu 9/24

6:20 pm-9:40 am

1 stop22h 20m

$682

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 9/8

8:10 pm-5:20 pm

1 stop38h 10m

Bilbao

Tue 9/15

12:10 pm-9:40 am

1 stop28h 30m

$683

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 8/18

11:25 am-5:20 pm

1 stop22h 55m

Bilbao

Wed 9/30

6:20 pm-9:40 am

1 stop22h 20m

$698

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 9/8

8:10 pm-5:20 pm

1 stop38h 10m

Bilbao

Tue 9/15

12:10 pm-9:40 am

1 stop28h 30m

$721

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 9/8

8:10 pm-5:20 pm

1 stop38h 10m

Bilbao

Tue 9/15

12:10 pm-9:40 am

1 stop28h 30m

$726

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 8/25

7:00 am-6:45 pm

2 stops28h 45m

Bilbao

Fri 9/4

7:35 pm-10:06 pm

2 stops33h 31m

$737

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 8/18

7:10 pm-11:15 pm

2 stops21h 05m

Bilbao

Wed 9/30

6:45 am-4:00 pm

1 stop16h 15m

$741

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 8/18

8:54 am-8:30 am

2 stops16h 36m

Bilbao

Wed 9/30

9:15 am-7:35 pm

2 stops17h 20m

$750

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Mon 9/28

8:10 pm-5:20 pm

1 stop38h 10m

Bilbao

Mon 10/5

12:10 pm-9:40 am

1 stop28h 30m

$761
Quickest round-trip

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Thu 8/20

4:55 pm-12:45 pm

1 stop12h 50m

Bilbao

Fri 8/28

6:45 am-4:00 pm

1 stop16h 15m

$763

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bilbao from

How to get the cheapest flight ticket from Chicago to Bilbao

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Chicago to Bilbao?

British Airways, Turkish Airlines, and Scandinavian Airlines are the most popular carriers operating from Chicago to Bilbao

What airlines fly to Bilbao?

Lufthansa, United Airlines and American Airlines are the top three most popular airlines that fly to Bilbao from Chicago according to our data. Lufthansa is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Bilbao. Keep in mind that there are 3 different airlines that fly to Bilbao on a routine basis, so you have a few additional options to choose from.

When to book flights from Chicago to Bilbao

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Bilbao according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Bilbao (CHI to BIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Bilbao

Fastest flight time

13h 20m

Direct flights

None
The fastest flight from Chicago to Bilbao takes 13h 20m
There are no direct flights from Chicago to Bilbao. There are no popular flight routes from Chicago to Bilbao.
Search flight deals

Frequently asked questions about flying from Chicago to Bilbao

  • How far is Chicago to Bilbao by plane?

    The straight-line distance from Chicago to Bilbao is 4107.8 mi. A reasonable flight in good conditions will take 13h 20m.

  • When did momondo last update prices for flights from Chicago to Bilbao Airport?

    Prices for flights from Chicago to Bilbao Airport were last updated today.

  • How many operators does momondo search for flights from Chicago to Bilbao Airport?

  • How old do you have to be to fly from Chicago to Bilbao Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Bilbao Airport.

  • What documentation or ID do you need to fly to Bilbao Airport?

    The necessary travel and health documents for your Bilbao Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Chicago to Bilbao?

Best airlines flying from Chicago to Bilbao

Compare and see reviews for airlines that fly from Chicago to Bilbao with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $584Free CancellationRating
6.8
7,953 reviews
Search Lufthansa flights
United AirlinesPriceFrom $699Free CancellationRating
7.4
9,656 reviews
Search United Airlines flights

Traveling to a place near Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
Getxo
Laredo
Lekeitio

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Bilbao?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Bilbao for you.

Can I find flights from Chicago to Bilbao with flexible booking policies on momondo?

Yes. All flights to Bilbao from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Bilbao?

Once you have performed a search for Chicago to Bilbao flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Chicago to Bilbao right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Chicago to Bilbao now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bilbao and let you know when they change.

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