Which layover airport has the shortest travel time from Chicago to Bilbao?

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 11h 10m.

Which airport is the most popular layover for flights between Chicago and Bilbao?

Frankfurt am Main (FRA) was the most common stop: 64% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Chicago to Bilbao?

Munich (MUC) has the shortest average layover time for this route: 2h 03m.

Which layover airport offers the lowest fares from Chicago to Bilbao?

Flights via Munich (MUC) offer the lowest average round-trip price of $817.

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?

The number of operators available for flights from Chicago to Bilbao Airport is 3 as of January 2026.

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.

$267 Cheap Flights from Chicago to Bilbao in 2026

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Find the cheapest flights from Chicago to Bilbao

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One-way

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Cheap round-trip flights

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5:55 pm - 12:50 pm

ORD

BIO

11h 55m1 stop

7:25 am - 2:10 pm

BIO

ORD

13h 45m1 stop

$453Multiple Airlines

Tue, Feb 24 - Tue, Mar 3

12:05 pm - 10:50 am

ORD

BIO

15h 45m2 stops

7:25 am - 2:10 pm

BIO

ORD

13h 45m1 stop

$461United Airlines

Tue, Feb 24 - Tue, Mar 3

9:50 pm - 11:20 pm

ORD

BIO

18h 30m1 stop

11:35 am - 6:25 pm

BIO

ORD

13h 50m1 stop

$488Lufthansa

Fri, Feb 6 - Fri, Feb 13

5:40 pm - 12:50 pm

ORD

BIO

12h 10m1 stop

9:15 am - 2:55 pm

BIO

ORD

12h 40m1 stop

$492Iberia

Fri, Feb 20 - Fri, Feb 27

11:44 am - 8:30 am

ORD

BIO

13h 46m2 stops

9:15 am - 2:55 pm

BIO

ORD

12h 40m1 stop

$496American Airlines

Fri, Feb 6 - Fri, Feb 13

11:38 am - 8:30 am

ORD

BIO

13h 52m2 stops

9:15 am - 2:55 pm

BIO

ORD

12h 40m1 stop

$497Iberia

Fri, Feb 20 - Fri, Feb 27

11:44 am - 8:30 am

ORD

BIO

13h 46m2 stops

6:45 am - 7:40 pm

BIO

ORD

19h 55m2 stops

$506American Airlines

Fri, Feb 6 - Fri, Feb 13

9:50 pm - 11:20 pm

ORD

BIO

18h 30m1 stop

7:25 am - 2:10 pm

BIO

ORD

13h 45m1 stop

$507United Airlines

Fri, Feb 27 - Tue, Mar 3

6:40 pm - 5:20 pm

MDW

BIO

15h 40m2 stops

7:25 am - 5:37 pm

BIO

MDW

17h 12m2 stops

$522Delta

Sun, Feb 22 - Sun, Mar 1

7:20 pm - 4:30 pm

MDW

BIO

14h 10m2 stops

7:10 am - 5:54 pm

BIO

MDW

17h 44m2 stops

$1,073Delta

Thu, Apr 2 - Sun, Apr 12

United Airlines flights from Chicago to Bilbao

Our best United Airlines deals on Chicago to Bilbao flight tickets

United Airlines

Feb 24

ORD12:05 pmChicago O'Hare Intl

15h 45m

2 stops

BIO10:50 amBilbao

Mar 3

BIO7:25 amBilbao

13h 45m

1 stop

ORD2:10 pmChicago O'Hare Intl

$461

United Airlines

Feb 27

ORD9:50 pmChicago O'Hare Intl

18h 30m

1 stop

BIO11:20 pmBilbao

Mar 3

BIO7:25 amBilbao

13h 45m

1 stop

ORD2:10 pmChicago O'Hare Intl

$507

United Airlines

Feb 27

ORD2:19 pmChicago O'Hare Intl

26h 01m

2 stops

BIO11:20 pmBilbao

Mar 3

BIO7:25 amBilbao

13h 45m

1 stop

ORD2:10 pmChicago O'Hare Intl

$511

Lufthansa flights from Chicago to Bilbao

Our best Lufthansa deals on Chicago to Bilbao flight tickets

Lufthansa

Feb 6

ORD9:50 pmChicago O'Hare Intl

18h 30m

1 stop

BIO11:20 pmBilbao

Feb 13

BIO11:35 amBilbao

13h 50m

1 stop

ORD6:25 pmChicago O'Hare Intl

$488

Lufthansa

Apr 2

ORD8:15 pmChicago O'Hare Intl

31h 55m

2 stops

BIO11:10 amBilbao

Apr 12

BIO6:50 amBilbao

18h 25m

2 stops

ORD6:15 pmChicago O'Hare Intl

$775

Lufthansa

Apr 2

ORD8:15 pmChicago O'Hare Intl

31h 55m

2 stops

BIO11:10 amBilbao

Apr 12

BIO6:50 amBilbao

18h 25m

2 stops

ORD6:15 pmChicago O'Hare Intl

$828

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 2/24

5:55 pm-12:50 pm

1 stop11h 55m

Bilbao

Tue 3/3

7:25 am-2:10 pm

1 stop13h 45m

$453

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 2/24

12:05 pm-10:50 am

2 stops15h 45m

Bilbao

Tue 3/3

7:25 am-2:10 pm

1 stop13h 45m

$461

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Fri 2/6

9:50 pm-11:20 pm

1 stop18h 30m

Bilbao

Fri 2/13

11:35 am-6:25 pm

1 stop13h 50m

$488

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Fri 2/20

5:40 pm-12:50 pm

1 stop12h 10m

Bilbao

Fri 2/27

9:15 am-2:55 pm

1 stop12h 40m

$492

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Fri 2/6

11:44 am-8:30 am

2 stops13h 46m

Bilbao

Fri 2/13

9:15 am-2:55 pm

1 stop12h 40m

$496

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Fri 2/20

11:38 am-8:30 am

2 stops13h 52m

Bilbao

Fri 2/27

9:15 am-2:55 pm

1 stop12h 40m

$497

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Fri 2/6

11:44 am-8:30 am

2 stops13h 46m

Bilbao

Fri 2/13

6:45 am-7:40 pm

2 stops19h 55m

$506

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Fri 2/27

9:50 pm-11:20 pm

1 stop18h 30m

Bilbao

Tue 3/3

7:25 am-2:10 pm

1 stop13h 45m

$507

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Sun 2/22

6:40 pm-5:20 pm

2 stops15h 40m

Bilbao

Sun 3/1

7:25 am-5:37 pm

2 stops17h 12m

$522

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Thu 4/2

7:20 pm-4:30 pm

2 stops14h 10m

Bilbao

Sun 4/12

7:10 am-5:54 pm

2 stops17h 44m

$1,073

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Airlines

Layovers

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

Scandinavian Airlines and Delta are the most popular carriers operating from Chicago to Bilbao

What airlines fly to Bilbao?

Lufthansa, Iberia and United 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 30% 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 10m
Direct flights	None

The fastest flight from Chicago to Bilbao takes 14h 10m

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 10m.
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?
The number of operators available for flights from Chicago to Bilbao Airport is 3 as of January 2026.
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?
Based on momondo bookings for flights between Chicago and Bilbao, the leading airline is United Airlines, making up 52% of the total bookings. Other popular airlines include Lufthansa with 48%.

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
Lufthansa	PriceFrom $575	Free Cancellation	Rating 6.8 7,692 reviews	Search Lufthansa flights
Iberia	PriceFrom $656	Free Cancellation	Rating 7.0 3,076 reviews	Search Iberia flights
United Airlines	PriceFrom $744	Free Cancellation	Rating 7.4 9,139 reviews	Search United Airlines flights

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.