Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago to Bilbao from $449

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 6/12. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chicago to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:10 pm - 11:10 am
ORD
-
BIO
32h 00m
1 stop
Turkish Airlines Logo
12:10 pm - 9:40 am
BIO
-
ORD
28h 30m
1 stop
$622Turkish Airlines
Sun, Aug 16 - Mon, Oct 5
Turkish Airlines Logo
8:10 pm - 11:10 am
ORD
-
BIO
32h 00m
1 stop
Turkish Airlines Logo
12:10 pm - 9:40 am
BIO
-
ORD
28h 30m
1 stop
$648Turkish Airlines
Sun, Aug 16 - Mon, Oct 5
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
$655Turkish 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
$681Turkish Airlines
Tue, Sep 8 - Tue, Sep 15
Turkish Airlines Logo
11:25 am - 11:10 am
ORD
-
BIO
16h 45m
1 stop
Turkish Airlines Logo
12:10 pm - 9:40 am
BIO
-
ORD
28h 30m
1 stop
$689Turkish Airlines
Thu, Apr 23 - Tue, Apr 28
Multiple Airlines Logo
8:10 pm - 5:20 pm
ORD
-
BIO
38h 10m
1 stop
Multiple Airlines Logo
12:45 pm - 9:40 am
BIO
-
ORD
27h 55m
2 stops
$735Multiple Airlines
Mon, Sep 28 - Fri, Oct 9
Delta Logo
1:22 pm - 4:30 pm
MDW
-
BIO
20h 08m
2 stops
Delta Logo
6:45 am - 5:56 pm
BIO
-
MDW
18h 11m
2 stops
$865Delta
Wed, May 13 - Tue, May 26
Delta Logo
5:59 pm - 5:30 pm
MDW
-
BIO
16h 31m
2 stops
Delta Logo
6:45 am - 6:37 pm
BIO
-
MDW
18h 52m
2 stops
$901Delta
Tue, Oct 6 - Tue, Oct 13
Air France Logo
1:16 pm - 9:50 am
MDW
-
BIO
13h 34m
2 stops
Air France Logo
10:30 am - 9:46 pm
BIO
-
MDW
18h 16m
2 stops
$920Air France
Mon, Jul 6 - Wed, Aug 19
Multiple Airlines Logo
10:30 am - 7:10 pm
MDW
-
BIO
25h 40m
3 stops
Multiple Airlines Logo
8:50 am - 9:40 am
BIO
-
MDW
31h 50m
3 stops
$970Multiple Airlines
Wed, May 27 - Wed, Jun 3

Delta flights from Chicago to Bilbao

Our best Delta deals on Chicago to Bilbao flight tickets
Delta
May 10
ORD2:00 pmChicago O'Hare Intl
20h 30m
2 stops
BIO5:30 pmBilbao
May 26
BIO12:00 pmBilbao
33h 30m
1 stop
ORD2:30 pmChicago O'Hare Intl
$821
Delta
May 10
ORD2:00 pmChicago O'Hare Intl
20h 30m
2 stops
BIO5:30 pmBilbao
May 26
BIO6:45 amBilbao
20h 29m
2 stops
ORD8:14 pmChicago O'Hare Intl
$827
Delta
May 13
ORD5:10 pmChicago O'Hare Intl
33h 40m
1 stop
BIO9:50 amBilbao
May 26
BIO12:00 pmBilbao
33h 30m
1 stop
ORD2:30 pmChicago O'Hare Intl
$848

Turkish Airlines flights from Chicago to Bilbao

Our best Turkish Airlines deals on Chicago to Bilbao flight tickets
Turkish Airlines
Aug 16
ORD8:10 pmChicago O'Hare Intl
32h 00m
1 stop
BIO11:10 amBilbao
Oct 5
BIO12:10 pmBilbao
28h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
$622
Turkish Airlines
Aug 16
ORD8:10 pmChicago O'Hare Intl
32h 00m
1 stop
BIO11:10 amBilbao
Oct 5
BIO12:10 pmBilbao
28h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
$648
Turkish Airlines
Sep 8
ORD8:10 pmChicago O'Hare Intl
38h 10m
1 stop
BIO5:20 pmBilbao
Sep 15
BIO12:10 pmBilbao
28h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
$655

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 13, 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

Sun 8/16

8:10 pm-11:10 am

1 stop32h 00m

Bilbao

Mon 10/5

12:10 pm-9:40 am

1 stop28h 30m

$622

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 8/16

8:10 pm-11:10 am

1 stop32h 00m

Bilbao

Mon 10/5

12:10 pm-9:40 am

1 stop28h 30m

$648

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

$655

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

$681

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Thu 4/23

11:25 am-11:10 am

1 stop16h 45m

Bilbao

Tue 4/28

12:10 pm-9:40 am

1 stop28h 30m

$689

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Mon 9/28

8:10 pm-5:20 pm

1 stop38h 10m

Bilbao

Fri 10/9

12:45 pm-9:40 am

2 stops27h 55m

$735

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Wed 5/13

1:22 pm-4:30 pm

2 stops20h 08m

Bilbao

Tue 5/26

6:45 am-5:56 pm

2 stops18h 11m

$865

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Tue 10/6

5:59 pm-5:30 pm

2 stops16h 31m

Bilbao

Tue 10/13

6:45 am-6:37 pm

2 stops18h 52m

$901
Quickest round-trip

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Mon 7/6

1:16 pm-9:50 am

2 stops13h 34m

Bilbao

Wed 8/19

10:30 am-9:46 pm

2 stops18h 16m

$920

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Wed 5/27

10:30 am-7:10 pm

3 stops25h 40m

Bilbao

Wed 6/3

8:50 am-9:40 am

3 stops31h 50m

$970

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

Scandinavian Airlines and Aer Lingus 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 42% 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 50m

Direct flights

None
The fastest flight from Chicago to Bilbao takes 13h 50m
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 50m.

  • 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
7,919 reviews
Search Lufthansa flights
United AirlinesPriceFrom $699Free CancellationRating
7.4
9,579 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.

An easier way to manage your Bilbao trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 5/13
Wed 5/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Spain

Airports servicing Basque Country

San Sebastián Airport