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Cheap flights from Chicago to Bilbao from $380

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 4/7. 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
1 adult, Economy, 0 bags

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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
12:10 pm - 9:40 am
BIO
-
ORD
28h 30m
1 stop
$615Turkish 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
6:20 pm - 9:40 am
BIO
-
ORD
22h 20m
1 stop
$621Turkish Airlines
Sun, Apr 19 - Sun, Apr 26
Multiple Airlines Logo
9:00 pm - 5:25 pm
ORD
-
BIO
13h 25m
1 stop
Multiple Airlines Logo
6:45 am - 2:25 pm
BIO
-
ORD
14h 40m
1 stop
$680Multiple Airlines
Mon, Aug 3 - Thu, Aug 27
British Airways Logo
8:35 am - 8:30 am
ORD
-
BIO
16h 55m
2 stops
British Airways Logo
9:35 pm - 4:00 pm
BIO
-
ORD
25h 25m
1 stop
$703British Airways
Wed, Aug 5 - Wed, Aug 26
Finnair Logo
4:55 pm - 10:05 pm
ORD
-
BIO
22h 10m
1 stop
Finnair Logo
6:45 am - 2:25 pm
BIO
-
ORD
14h 40m
1 stop
$720Finnair
Sun, Aug 2 - Wed, Aug 26
Multiple Airlines Logo
10:25 pm - 11:15 pm
ORD
-
BIO
17h 50m
1 stop
Multiple Airlines Logo
9:35 pm - 2:25 pm
BIO
-
ORD
23h 50m
1 stop
$724Multiple Airlines
Wed, Aug 12 - Wed, Aug 26
Multiple Airlines Logo
9:00 pm - 5:30 pm
ORD
-
BIO
13h 30m
1 stop
Multiple Airlines Logo
6:45 am - 2:25 pm
BIO
-
ORD
14h 40m
1 stop
$730Multiple Airlines
Sat, Aug 15 - Thu, Aug 27
Multiple Airlines Logo
9:00 pm - 5:30 pm
ORD
-
BIO
13h 30m
1 stop
Multiple Airlines Logo
6:45 am - 2:25 pm
BIO
-
ORD
14h 40m
1 stop
$731Multiple Airlines
Sat, Aug 15 - Wed, Aug 26
Delta Logo
11:05 am - 11:15 am
MDW
-
BIO
17h 10m
2 stops
Delta Logo
7:10 am - 6:31 pm
BIO
-
MDW
18h 21m
2 stops
$842Delta
Wed, Aug 5 - Wed, Aug 26
Delta Logo
5:10 pm - 4:30 pm
MDW
-
BIO
16h 20m
2 stops
Delta Logo
7:10 am - 5:56 pm
BIO
-
MDW
17h 46m
2 stops
$932Delta
Mon, May 11 - Mon, May 18

United Airlines flights from Chicago to Bilbao

Our best United Airlines deals on Chicago to Bilbao flight tickets
United Airlines
May 7
ORD9:40 pmChicago O'Hare Intl
18h 45m
1 stop
BIO11:25 pmBilbao
May 14
BIO6:50 amBilbao
13h 05m
1 stop
ORD12:55 pmChicago O'Hare Intl
$819
United Airlines
Aug 10
ORD6:00 pmChicago O'Hare Intl
15h 00m
1 stop
BIO4:00 pmBilbao
Aug 28
BIO7:15 amBilbao
18h 00m
1 stop
ORD6:15 pmChicago O'Hare Intl
$820
United Airlines
May 7
ORD4:25 pmChicago O'Hare Intl
24h 00m
2 stops
BIO11:25 pmBilbao
May 14
BIO2:00 pmBilbao
12h 55m
1 stop
ORD7:55 pmChicago O'Hare Intl
$823

Turkish Airlines flights from Chicago to Bilbao

Our best Turkish Airlines deals on Chicago to Bilbao flight tickets
Turkish Airlines
Apr 5
ORD11:25 amChicago O'Hare Intl
16h 45m
1 stop
BIO11:10 amBilbao
Apr 21
BIO12:10 pmBilbao
28h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
$554
Turkish Airlines
Sep 8
ORD11:25 amChicago O'Hare Intl
22h 55m
1 stop
BIO5:20 pmBilbao
Sep 15
BIO12:10 pmBilbao
28h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
$615
Turkish Airlines
Apr 19
ORD11:25 amChicago O'Hare Intl
16h 45m
1 stop
BIO11:10 amBilbao
Apr 26
BIO6:20 pmBilbao
22h 20m
1 stop
ORD9:40 amChicago O'Hare Intl
$621

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 March 28, 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 9/8

11:25 am-5:20 pm

1 stop22h 55m

Bilbao

Tue 9/15

12:10 pm-9:40 am

1 stop28h 30m

$615

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 4/19

11:25 am-11:10 am

1 stop16h 45m

Bilbao

Sun 4/26

6:20 pm-9:40 am

1 stop22h 20m

$621
Quickest round-trip

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Mon 8/3

9:00 pm-5:25 pm

1 stop13h 25m

Bilbao

Thu 8/27

6:45 am-2:25 pm

1 stop14h 40m

$680

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Wed 8/5

8:35 am-8:30 am

2 stops16h 55m

Bilbao

Wed 8/26

9:35 pm-4:00 pm

1 stop25h 25m

$703

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 8/2

4:55 pm-10:05 pm

1 stop22h 10m

Bilbao

Wed 8/26

6:45 am-2:25 pm

1 stop14h 40m

$720

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Wed 8/12

10:25 pm-11:15 pm

1 stop17h 50m

Bilbao

Wed 8/26

9:35 pm-2:25 pm

1 stop23h 50m

$724

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sat 8/15

9:00 pm-5:30 pm

1 stop13h 30m

Bilbao

Thu 8/27

6:45 am-2:25 pm

1 stop14h 40m

$730

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sat 8/15

9:00 pm-5:30 pm

1 stop13h 30m

Bilbao

Wed 8/26

6:45 am-2:25 pm

1 stop14h 40m

$731

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Wed 8/5

11:05 am-11:15 am

2 stops17h 10m

Bilbao

Wed 8/26

7:10 am-6:31 pm

2 stops18h 21m

$842

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Mon 5/11

5:10 pm-4:30 pm

2 stops16h 20m

Bilbao

Mon 5/18

7:10 am-5:56 pm

2 stops17h 46m

$932

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?

Turkish Airlines and Delta 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 34% 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

14h 03m

Direct flights

None
The fastest flight from Chicago to Bilbao takes 14h 03m
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 14h 03m.

  • 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
7,872 reviews
Search Lufthansa flights
IberiaPriceFrom $612Free CancellationRating
7.0
3,158 reviews
Search Iberia flights
United AirlinesPriceFrom $699Free CancellationRating
7.4
9,509 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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