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Cheap flights from Chicago to Bilbao from $331

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 11/25. 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

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
8:10 pm - 11:10 amORD  Chicago O'Hare Intl-BIO Bilbao
32h 00m1 stop Istanbul
Turkish Airlines Logo
6:25 pm - 9:40 amBIO  Bilbao-ORD Chicago O'Hare Intl
22h 15m1 stop Istanbul
$700Turkish Airlines
Thu, Sep 24 - Thu, Oct 8
Turkish Airlines Logo
8:10 pm - 11:10 amORD  Chicago O'Hare Intl-BIO Bilbao
32h 00m1 stop Istanbul
Turkish Airlines Logo
6:25 pm - 9:40 amBIO  Bilbao-ORD Chicago O'Hare Intl
22h 15m1 stop Istanbul
$718Turkish Airlines
Thu, Sep 24 - Thu, Oct 1
Turkish Airlines Logo
8:10 pm - 5:25 pmORD  Chicago O'Hare Intl-BIO Bilbao
38h 15m1 stop Istanbul
Turkish Airlines Logo
5:15 pm - 11:00 amBIO  Bilbao-ORD Chicago O'Hare Intl
23h 45m1 stop Istanbul
$724Turkish Airlines
Tue, Oct 20 - Thu, Oct 29
Turkish Airlines Logo
11:25 am - 5:25 pmORD  Chicago O'Hare Intl-BIO Bilbao
23h 00m1 stop Istanbul
Turkish Airlines Logo
5:15 pm - 11:00 amBIO  Bilbao-ORD Chicago O'Hare Intl
23h 45m1 stop Istanbul
$724Turkish Airlines
Tue, Oct 20 - Thu, Oct 29
United Airlines Logo
9:50 pm - 9:55 pmORD  Chicago O'Hare Intl-BIO Bilbao
17h 05m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:45 am - 1:10 pmBIO  Bilbao-ORD Chicago O'Hare Intl
13h 25m1 stop Frankfurt am Main
$728United Airlines
Sun, Jan 24 - Thu, Jan 28
United Airlines Logo
5:50 pm - 4:10 pmORD  Chicago O'Hare Intl-BIO Bilbao
15h 20m1 stop Brussels Bruxelles-National
United Airlines Logo
11:45 am - 6:25 pmBIO  Bilbao-ORD Chicago O'Hare Intl
13h 40m1 stop Munich Franz Josef Strauss
$730United Airlines
Sun, Jan 24 - Wed, Jan 27
United Airlines Logo
9:50 pm - 9:55 pmORD  Chicago O'Hare Intl-BIO Bilbao
17h 05m1 stop Munich Franz Josef Strauss
United Airlines Logo
6:45 am - 11:15 pmBIO  Bilbao-ORD Chicago O'Hare Intl
23h 30m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
$738United Airlines
Sun, Jan 24 - Thu, Jan 28
Lufthansa Logo
9:50 pm - 5:45 pmORD  Chicago O'Hare Intl-BIO Bilbao
12h 55m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:45 am - 1:10 pmBIO  Bilbao-ORD Chicago O'Hare Intl
13h 25m1 stop Frankfurt am Main
$754Lufthansa
Thu, Nov 12 - Thu, Nov 19
Lufthansa Logo
9:40 pm - 11:25 pmORD  Chicago O'Hare Intl-BIO Bilbao
18h 45m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:45 am - 2:10 pmBIO  Bilbao-ORD Chicago O'Hare Intl
13h 25m1 stop Frankfurt am Main
$767Lufthansa
Tue, Oct 20 - Thu, Oct 29
Lufthansa Logo
9:40 pm - 5:55 pmORD  Chicago O'Hare Intl-BIO Bilbao
13h 15m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:40 pm - 6:15 pmBIO  Bilbao-ORD Chicago O'Hare Intl
30h 35m1 stop Munich Franz Josef Strauss
$777Lufthansa
Mon, Oct 5 - Mon, Oct 12

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Turkish Airlines flights from Chicago to Bilbao

Our best Turkish Airlines deals on Chicago to Bilbao flight tickets
Turkish Airlines
Sep 24
ORD8:10 pmChicago O'Hare Intl
32h 00m
1 stop
BIO11:10 amBilbao
Oct 8
BIO6:25 pmBilbao
22h 15m
1 stop
ORD9:40 amChicago O'Hare Intl
$700
Turkish Airlines
Sep 24
ORD8:10 pmChicago O'Hare Intl
32h 00m
1 stop
BIO11:10 amBilbao
Oct 1
BIO6:25 pmBilbao
22h 15m
1 stop
ORD9:40 amChicago O'Hare Intl
$718
Turkish Airlines
Oct 20
ORD8:10 pmChicago O'Hare Intl
38h 15m
1 stop
BIO5:25 pmBilbao
Oct 29
BIO5:15 pmBilbao
23h 45m
1 stop
ORD11:00 amChicago O'Hare Intl
$724

Air Canada flights from Chicago to Bilbao

Our best Air Canada deals on Chicago to Bilbao flight tickets
Air Canada
Jan 24
ORD7:05 amChicago O'Hare Intl
26h 05m
2 stops
BIO4:10 pmBilbao
Jan 27
BIO11:45 amBilbao
30h 22m
2 stops
ORD11:07 amChicago O'Hare Intl
$737
Air Canada
Jan 24
ORD1:55 pmChicago O'Hare Intl
19h 15m
2 stops
BIO4:10 pmBilbao
Jan 28
BIO6:45 amBilbao
15h 53m
2 stops
ORD3:38 pmChicago O'Hare Intl
$740
Air Canada
Oct 5
ORD8:45 amChicago O'Hare Intl
24h 15m
2 stops
BIO4:00 pmBilbao
Oct 13
BIO6:50 amBilbao
20h 22m
2 stops
ORD8:12 pmChicago O'Hare Intl
$795

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 August 15, 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 Chicago O'Hare Intl - BIO Bilbao

ORDBIO

Chicago O'Hare Intl

Thu 9/24

8:10 pm-11:10 am

1 stop32h 00m

Bilbao

Thu 10/8

6:25 pm-9:40 am

1 stop22h 15m

$700

ChicagoBilbao

ORD Chicago O'Hare Intl - BIO Bilbao

ORDBIO

Chicago O'Hare Intl

Thu 9/24

8:10 pm-11:10 am

1 stop32h 00m

Bilbao

Thu 10/1

6:25 pm-9:40 am

1 stop22h 15m

$718

ChicagoBilbao

ORD Chicago O'Hare Intl - BIO Bilbao

ORDBIO

Chicago O'Hare Intl

Tue 10/20

8:10 pm-5:25 pm

1 stop38h 15m

Bilbao

Thu 10/29

5:15 pm-11:00 am

1 stop23h 45m

$724

ChicagoBilbao

ORD Chicago O'Hare Intl - BIO Bilbao

ORDBIO

Chicago O'Hare Intl

Tue 10/20

11:25 am-5:25 pm

1 stop23h 00m

Bilbao

Thu 10/29

5:15 pm-11:00 am

1 stop23h 45m

$724

ChicagoBilbao

ORD Chicago O'Hare Intl - BIO Bilbao

ORDBIO

Chicago O'Hare Intl

Sun 1/24

9:50 pm-9:55 pm

1 stop17h 05m

Bilbao

Thu 1/28

6:45 am-1:10 pm

1 stop13h 25m

$728

ChicagoBilbao

ORD Chicago O'Hare Intl - BIO Bilbao

ORDBIO

Chicago O'Hare Intl

Sun 1/24

5:50 pm-4:10 pm

1 stop15h 20m

Bilbao

Wed 1/27

11:45 am-6:25 pm

1 stop13h 40m

$730

ChicagoBilbao

ORD Chicago O'Hare Intl - BIO Bilbao

ORDBIO

Chicago O'Hare Intl

Sun 1/24

9:50 pm-9:55 pm

1 stop17h 05m

Bilbao

Thu 1/28

6:45 am-11:15 pm

2 stops23h 30m

$738
Quickest round-trip

ChicagoBilbao

ORD Chicago O'Hare Intl - BIO Bilbao

ORDBIO

Chicago O'Hare Intl

Thu 11/12

9:50 pm-5:45 pm

1 stop12h 55m

Bilbao

Thu 11/19

6:45 am-1:10 pm

1 stop13h 25m

$754

ChicagoBilbao

ORD Chicago O'Hare Intl - BIO Bilbao

ORDBIO

Chicago O'Hare Intl

Tue 10/20

9:40 pm-11:25 pm

1 stop18h 45m

Bilbao

Thu 10/29

6:45 am-2:10 pm

1 stop13h 25m

$767

ChicagoBilbao

ORD Chicago O'Hare Intl - BIO Bilbao

ORDBIO

Chicago O'Hare Intl

Mon 10/5

9:40 pm-5:55 pm

1 stop13h 15m

Bilbao

Mon 10/12

6:40 pm-6:15 pm

1 stop30h 35m

$777

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 typical price of a round-trip flight between Chicago and Bilbao?

Prices are currently low for flights on this route.

Typical prices usually range from $830 to $1,110.
The lowest price recently found on this route was $700.

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from Chicago is in March. Flight prices, which tend to average around $640, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in March, then October is your next best option. Flight prices from Chicago to Bilbao during October average around $682.

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

12h 55m

Direct flights

None
The fastest flight from Chicago to Bilbao takes 12h 55m
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 12h 55m.

  • 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.

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
8,195 reviews
Search Lufthansa flights
United AirlinesPriceFrom $699Free CancellationRating
7.4
10,111 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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