Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago to Bilbao from $461

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 3/4. 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
8:20 pm - 11:00 am
ORD
-
BIO
31h 40m
1 stop
Turkish Airlines Logo
5:10 pm - 10:05 am
BIO
-
ORD
23h 55m
1 stop
$557Turkish Airlines
Wed, Feb 25 - Wed, Mar 4
Turkish Airlines Logo
11:50 am - 4:10 pm
ORD
-
BIO
21h 20m
1 stop
Turkish Airlines Logo
12:00 pm - 7:25 pm
BIO
-
ORD
37h 25m
1 stop
$559Turkish Airlines
Wed, Mar 4 - Tue, Mar 17
Lufthansa Logo
9:40 pm - 5:55 pm
ORD
-
BIO
13h 15m
1 stop
Lufthansa Logo
6:50 am - 12:55 pm
BIO
-
ORD
13h 05m
1 stop
$572Lufthansa
Mon, Apr 20 - Tue, Apr 28
United Airlines Logo
5:55 pm - 11:25 pm
ORD
-
BIO
22h 30m
1 stop
United Airlines Logo
6:50 am - 12:55 pm
BIO
-
ORD
13h 05m
1 stop
$573United Airlines
Sun, Apr 19 - Thu, Apr 30
Delta Logo
4:20 pm - 11:15 am
ORD
-
BIO
11h 55m
1 stop
Delta Logo
12:00 pm - 2:15 pm
BIO
-
ORD
33h 15m
1 stop
$577Delta
Sun, Apr 19 - Mon, Apr 27
United Airlines Logo
6:01 pm - 11:25 pm
ORD
-
BIO
22h 24m
2 stops
United Airlines Logo
6:50 am - 2:50 pm
BIO
-
ORD
15h 00m
1 stop
$578United Airlines
Sun, Apr 19 - Tue, Apr 28
Delta Logo
8:15 am - 11:15 am
ORD
-
BIO
20h 00m
2 stops
Delta Logo
12:00 pm - 2:15 pm
BIO
-
ORD
33h 15m
1 stop
$581Delta
Sun, Apr 19 - Mon, Apr 27
Air Canada Logo
12:50 pm - 5:55 pm
ORD
-
BIO
22h 05m
2 stops
Air Canada Logo
7:15 am - 10:03 pm
BIO
-
ORD
21h 48m
2 stops
$587Air Canada
Mon, Apr 20 - Tue, Apr 28
Delta Logo
1:36 pm - 4:30 pm
ORD
-
BIO
19h 54m
2 stops
Delta Logo
6:45 am - 6:52 pm
BIO
-
ORD
19h 07m
2 stops
$591Delta
Sun, Apr 19 - Wed, Apr 29
Air Canada Logo
5:57 pm - 11:10 am
ORD
-
BIO
34h 13m
2 stops
Air Canada Logo
7:15 am - 9:50 am
BIO
-
ORD
33h 35m
2 stops
$592Air Canada
Sat, Apr 18 - Tue, Apr 28

Turkish Airlines flights from Chicago to Bilbao

Our best Turkish Airlines deals on Chicago to Bilbao flight tickets
Turkish Airlines
Feb 25
ORD8:20 pmChicago O'Hare Intl
31h 40m
1 stop
BIO11:00 amBilbao
Mar 4
BIO5:10 pmBilbao
23h 55m
1 stop
ORD10:05 amChicago O'Hare Intl
$557
Turkish Airlines
Mar 4
ORD11:50 amChicago O'Hare Intl
21h 20m
1 stop
BIO4:10 pmBilbao
Mar 17
BIO12:00 pmBilbao
37h 25m
1 stop
ORD7:25 pmChicago O'Hare Intl
$559
Turkish Airlines
Apr 23
ORD8:10 pmChicago O'Hare Intl
32h 00m
1 stop
BIO11:10 amBilbao
Apr 29
BIO6:15 pmBilbao
22h 25m
1 stop
ORD9:40 amChicago O'Hare Intl
$611

Lufthansa flights from Chicago to Bilbao

Our best Lufthansa deals on Chicago to Bilbao flight tickets
Lufthansa
Apr 20
ORD9:40 pmChicago O'Hare Intl
13h 15m
1 stop
BIO5:55 pmBilbao
Apr 28
BIO6:50 amBilbao
13h 05m
1 stop
ORD12:55 pmChicago O'Hare Intl
$572
Lufthansa
Apr 22
ORD2:35 pmChicago O'Hare Intl
25h 15m
2 stops
BIO10:50 pmBilbao
Apr 28
BIO6:40 pmBilbao
30h 35m
1 stop
ORD6:15 pmChicago O'Hare Intl
$607
Lufthansa
Apr 18
ORD9:40 pmChicago O'Hare Intl
18h 45m
1 stop
BIO11:25 pmBilbao
Apr 27
BIO6:40 pmBilbao
30h 35m
1 stop
ORD6:15 pmChicago O'Hare Intl
$623

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 February 12, 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

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Wed 2/25

8:20 pm-11:00 am

1 stop31h 40m

Bilbao

Wed 3/4

5:10 pm-10:05 am

1 stop23h 55m

$557

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Wed 3/4

11:50 am-4:10 pm

1 stop21h 20m

Bilbao

Tue 3/17

12:00 pm-7:25 pm

1 stop37h 25m

$559

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Mon 4/20

9:40 pm-5:55 pm

1 stop13h 15m

Bilbao

Tue 4/28

6:50 am-12:55 pm

1 stop13h 05m

$572

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 4/19

5:55 pm-11:25 pm

1 stop22h 30m

Bilbao

Thu 4/30

6:50 am-12:55 pm

1 stop13h 05m

$573

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 4/19

4:20 pm-11:15 am

1 stop11h 55m

Bilbao

Mon 4/27

12:00 pm-2:15 pm

1 stop33h 15m

$577

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 4/19

6:01 pm-11:25 pm

2 stops22h 24m

Bilbao

Tue 4/28

6:50 am-2:50 pm

1 stop15h 00m

$578

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 4/19

8:15 am-11:15 am

2 stops20h 00m

Bilbao

Mon 4/27

12:00 pm-2:15 pm

1 stop33h 15m

$581

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Mon 4/20

12:50 pm-5:55 pm

2 stops22h 05m

Bilbao

Tue 4/28

7:15 am-10:03 pm

2 stops21h 48m

$587

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 4/19

1:36 pm-4:30 pm

2 stops19h 54m

Bilbao

Wed 4/29

6:45 am-6:52 pm

2 stops19h 07m

$591

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sat 4/18

5:57 pm-11:10 am

2 stops34h 13m

Bilbao

Tue 4/28

7:15 am-9:50 am

2 stops33h 35m

$592

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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?

TAP AIR PORTUGAL, Turkish Airlines, and American Airlines are the most popular carriers operating from Chicago to Bilbao

What airlines fly to Bilbao?

United Airlines, Lufthansa and Iberia are the top three most popular airlines that fly to Bilbao from Chicago according to our data. United Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Bilbao. Keep in mind that there are 4 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

  • 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 $575Free CancellationRating
6.8
7,780 reviews
Search Lufthansa flights
IberiaPriceFrom $656Free CancellationRating
7.0
3,113 reviews
Search Iberia flights
United AirlinesPriceFrom $699Free CancellationRating
7.4
9,281 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
Sat 3/14
Sat 3/21
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