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Cheap flights from Chicago to Bilbao from $361

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 8/14. 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.
Scandinavian Airlines Logo
7:15 pm - 6:45 pm
ORD
-
BIO
16h 30m
1 stop
Scandinavian Airlines Logo
7:35 pm - 4:10 pm
BIO
-
ORD
27h 35m
1 stop
$694Scandinavian Airlines
Tue, Sep 15 - Wed, Sep 23
Scandinavian Airlines Logo
7:15 pm - 6:45 pm
ORD
-
BIO
16h 30m
1 stop
Scandinavian Airlines Logo
7:35 pm - 4:10 pm
BIO
-
ORD
27h 35m
1 stop
$701Scandinavian Airlines
Tue, Oct 6 - Wed, Oct 21
Lufthansa Logo
9:40 pm - 11:25 pm
ORD
-
BIO
18h 45m
1 stop
Lufthansa Logo
6:50 am - 12:55 pm
BIO
-
ORD
13h 05m
1 stop
$705Lufthansa
Wed, Oct 7 - Wed, Oct 21
Lufthansa Logo
9:40 pm - 11:25 pm
ORD
-
BIO
18h 45m
1 stop
Lufthansa Logo
2:00 pm - 7:55 pm
BIO
-
ORD
12h 55m
1 stop
$706Lufthansa
Mon, Sep 28 - Fri, Oct 9
Turkish Airlines Logo
8:10 pm - 5:20 pm
ORD
-
BIO
38h 10m
1 stop
Turkish Airlines Logo
12:10 pm - 6:15 pm
BIO
-
ORD
37h 05m
1 stop
$708Turkish Airlines
Tue, Oct 13 - Tue, Oct 20
Scandinavian Airlines Logo
7:15 pm - 6:45 pm
ORD
-
BIO
16h 30m
1 stop
Scandinavian Airlines Logo
7:35 pm - 4:10 pm
BIO
-
ORD
27h 35m
1 stop
$711Scandinavian Airlines
Thu, Sep 17 - Fri, Sep 25
Scandinavian Airlines Logo
7:15 pm - 6:45 pm
ORD
-
BIO
16h 30m
1 stop
Scandinavian Airlines Logo
7:35 pm - 8:40 pm
BIO
-
ORD
32h 05m
2 stops
$714Scandinavian Airlines
Tue, Sep 15 - Fri, Sep 25
Turkish Airlines Logo
8:10 pm - 5:20 pm
ORD
-
BIO
38h 10m
1 stop
Turkish Airlines Logo
6:20 pm - 9:40 am
BIO
-
ORD
22h 20m
1 stop
$724Turkish Airlines
Mon, Sep 14 - Thu, Sep 24
SWISS Logo
2:20 pm - 7:55 pm
ORD
-
BIO
22h 35m
1 stop
SWISS Logo
2:10 pm - 12:35 pm
BIO
-
ORD
29h 25m
2 stops
$727SWISS
Wed, Oct 7 - Wed, Oct 21
United Airlines Logo
6:00 pm - 11:25 pm
ORD
-
BIO
22h 25m
1 stop
United Airlines Logo
2:05 pm - 7:55 pm
BIO
-
ORD
12h 50m
1 stop
$728United Airlines
Sun, Oct 4 - Tue, Oct 20

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Turkish Airlines flights from Chicago to Bilbao

Our best Turkish Airlines deals on Chicago to Bilbao flight tickets
Turkish Airlines
Oct 13
ORD8:10 pmChicago O'Hare Intl
38h 10m
1 stop
BIO5:20 pmBilbao
Oct 20
BIO12:10 pmBilbao
37h 05m
1 stop
ORD6:15 pmChicago O'Hare Intl
$708
Turkish Airlines
Sep 14
ORD8:10 pmChicago O'Hare Intl
38h 10m
1 stop
BIO5:20 pmBilbao
Sep 24
BIO6:20 pmBilbao
22h 20m
1 stop
ORD9:40 amChicago O'Hare Intl
$724
Turkish Airlines
Aug 13
ORD8:10 pmChicago O'Hare Intl
32h 00m
1 stop
BIO11:10 amBilbao
Aug 25
BIO12:10 pmBilbao
28h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
$749

Iberia flights from Chicago to Bilbao

Our best Iberia deals on Chicago to Bilbao flight tickets
Iberia
Sep 23
ORD11:37 amChicago O'Hare Intl
13h 53m
2 stops
BIO8:30 amBilbao
Sep 30
BIO9:15 amBilbao
12h 10m
1 stop
ORD2:25 pmChicago O'Hare Intl
$733
Iberia
Sep 28
ORD10:15 pmChicago O'Hare Intl
18h 00m
1 stop
BIO11:15 pmBilbao
Oct 9
BIO9:15 amBilbao
13h 45m
1 stop
ORD4:00 pmChicago O'Hare Intl
$766
Iberia
Aug 13
ORD11:15 amChicago O'Hare Intl
14h 15m
2 stops
BIO8:30 amBilbao
Aug 25
BIO6:45 amBilbao
16h 15m
1 stop
ORD4:00 pmChicago O'Hare Intl
$780

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 June 20, 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 9/15

7:15 pm-6:45 pm

1 stop16h 30m

Bilbao

Wed 9/23

7:35 pm-4:10 pm

1 stop27h 35m

$694

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 10/6

7:15 pm-6:45 pm

1 stop16h 30m

Bilbao

Wed 10/21

7:35 pm-4:10 pm

1 stop27h 35m

$701

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Wed 10/7

9:40 pm-11:25 pm

1 stop18h 45m

Bilbao

Wed 10/21

6:50 am-12:55 pm

1 stop13h 05m

$705
Quickest round-trip

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Mon 9/28

9:40 pm-11:25 pm

1 stop18h 45m

Bilbao

Fri 10/9

2:00 pm-7:55 pm

1 stop12h 55m

$706

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 10/13

8:10 pm-5:20 pm

1 stop38h 10m

Bilbao

Tue 10/20

12:10 pm-6:15 pm

1 stop37h 05m

$708

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Thu 9/17

7:15 pm-6:45 pm

1 stop16h 30m

Bilbao

Fri 9/25

7:35 pm-4:10 pm

1 stop27h 35m

$711

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 9/15

7:15 pm-6:45 pm

1 stop16h 30m

Bilbao

Fri 9/25

7:35 pm-8:40 pm

2 stops32h 05m

$714

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Mon 9/14

8:10 pm-5:20 pm

1 stop38h 10m

Bilbao

Thu 9/24

6:20 pm-9:40 am

1 stop22h 20m

$724

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Wed 10/7

2:20 pm-7:55 pm

1 stop22h 35m

Bilbao

Wed 10/21

2:10 pm-12:35 pm

2 stops29h 25m

$727

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 10/4

6:00 pm-11:25 pm

1 stop22h 25m

Bilbao

Tue 10/20

2:05 pm-7:55 pm

1 stop12h 50m

$728

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?

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from Chicago is in February. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in February, then September is your next best option. Flight prices from Chicago to Bilbao during September average around $509.

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 50m

Direct flights

None
The fastest flight from Chicago to Bilbao takes 12h 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 12h 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
8,084 reviews
Search Lufthansa flights
United AirlinesPriceFrom $699Free CancellationRating
7.4
9,865 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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