Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago to Bilbao from $326

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 7/28. 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.

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
8:10 pm - 11:10 am
ORD
-
BIO
32h 00m
1 stop
Turkish Airlines Logo
12:10 pm - 9:40 am
BIO
-
ORD
28h 30m
1 stop
$563Turkish Airlines
Sun, Apr 5 - Tue, Apr 21
Turkish Airlines Logo
8:10 pm - 5:20 pm
ORD
-
BIO
38h 10m
1 stop
Turkish Airlines Logo
12:10 pm - 9:40 am
BIO
-
ORD
28h 30m
1 stop
$601Turkish Airlines
Mon, Apr 20 - Mon, Apr 27
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
Turkish Airlines Logo
11:25 am - 11:10 am
ORD
-
BIO
16h 45m
1 stop
Turkish Airlines Logo
12:10 pm - 9:40 am
BIO
-
ORD
28h 30m
1 stop
$685Turkish Airlines
Fri, Sep 18 - Sat, Sep 26
Turkish Airlines Logo
8:10 pm - 11:10 am
ORD
-
BIO
32h 00m
1 stop
Turkish Airlines Logo
6:20 pm - 9:40 am
BIO
-
ORD
22h 20m
1 stop
$704Turkish Airlines
Sun, May 3 - Sun, May 10
TAP AIR PORTUGAL Logo
6:05 pm - 6:05 pm
ORD
-
BIO
17h 00m
1 stop
TAP AIR PORTUGAL Logo
12:15 pm - 4:05 pm
BIO
-
ORD
34h 50m
1 stop
$706TAP AIR PORTUGAL
Sat, May 9 - Fri, May 15
Multiple Airlines Logo
12:47 pm - 8:15 am
ORD
-
BIO
36h 28m
2 stops
Multiple Airlines Logo
6:45 am - 2:25 pm
BIO
-
ORD
14h 40m
1 stop
$707Multiple Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
11:25 am - 11:10 am
ORD
-
BIO
16h 45m
1 stop
Multiple Airlines Logo
3:30 pm - 9:40 am
BIO
-
ORD
25h 10m
2 stops
$719Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Delta Logo
10:41 am - 9:50 am
MDW
-
BIO
16h 09m
2 stops
Delta Logo
6:45 am - 5:58 pm
BIO
-
MDW
18h 13m
2 stops
$854Delta
Mon, Apr 20 - Mon, Apr 27
Delta Logo
10:41 am - 9:50 am
MDW
-
BIO
16h 09m
2 stops
Delta Logo
6:45 am - 5:56 pm
BIO
-
MDW
18h 11m
2 stops
$1,044Delta
Mon, May 4 - Mon, May 11

TAP AIR PORTUGAL flights from Chicago to Bilbao

Our best TAP AIR PORTUGAL deals on Chicago to Bilbao flight tickets
TAP AIR PORTUGAL
May 9
ORD6:05 pmChicago O'Hare Intl
17h 00m
1 stop
BIO6:05 pmBilbao
May 15
BIO12:15 pmBilbao
34h 50m
1 stop
ORD4:05 pmChicago O'Hare Intl
$706
TAP AIR PORTUGAL
Aug 8
ORD6:05 pmChicago O'Hare Intl
17h 00m
1 stop
BIO6:05 pmBilbao
Aug 15
BIO6:35 pmBilbao
28h 25m
1 stop
ORD4:00 pmChicago O'Hare Intl
$876
TAP AIR PORTUGAL
Apr 4
ORD6:05 pmChicago O'Hare Intl
17h 00m
1 stop
BIO6:05 pmBilbao
Jul 4
BIO6:35 pmBilbao
28h 25m
1 stop
ORD4:00 pmChicago O'Hare Intl
$4,492

Lufthansa flights from Chicago to Bilbao

Our best Lufthansa deals on Chicago to Bilbao flight tickets
Lufthansa
Apr 19
ORD9:40 pmChicago O'Hare Intl
18h 45m
1 stop
BIO11:25 pmBilbao
Apr 26
BIO7:40 amBilbao
19h 15m
2 stops
ORD7:55 pmChicago O'Hare Intl
$766
Lufthansa
May 10
ORD10:30 pmChicago O'Hare Intl
17h 55m
1 stop
BIO11:25 pmBilbao
May 16
BIO2:00 pmBilbao
29h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
$815
Lufthansa
Sep 17
ORD9:40 pmChicago O'Hare Intl
18h 30m
2 stops
BIO11:10 pmBilbao
Sep 27
BIO6:50 amBilbao
13h 05m
1 stop
ORD12:55 pmChicago O'Hare Intl
$820

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 23, 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

Sun 4/5

8:10 pm-11:10 am

1 stop32h 00m

Bilbao

Tue 4/21

12:10 pm-9:40 am

1 stop28h 30m

$563

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Mon 4/20

8:10 pm-5:20 pm

1 stop38h 10m

Bilbao

Mon 4/27

12:10 pm-9:40 am

1 stop28h 30m

$601

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

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Fri 9/18

11:25 am-11:10 am

1 stop16h 45m

Bilbao

Sat 9/26

12:10 pm-9:40 am

1 stop28h 30m

$685

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 5/3

8:10 pm-11:10 am

1 stop32h 00m

Bilbao

Sun 5/10

6:20 pm-9:40 am

1 stop22h 20m

$704

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sat 5/9

6:05 pm-6:05 pm

1 stop17h 00m

Bilbao

Fri 5/15

12:15 pm-4:05 pm

1 stop34h 50m

$706

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Mon 5/4

12:47 pm-8:15 am

2 stops36h 28m

Bilbao

Mon 5/11

6:45 am-2:25 pm

1 stop14h 40m

$707

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Mon 4/20

11:25 am-11:10 am

1 stop16h 45m

Bilbao

Mon 4/27

3:30 pm-9:40 am

2 stops25h 10m

$719

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Mon 4/20

10:41 am-9:50 am

2 stops16h 09m

Bilbao

Mon 4/27

6:45 am-5:58 pm

2 stops18h 13m

$854
Quickest round-trip

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Mon 5/4

10:41 am-9:50 am

2 stops16h 09m

Bilbao

Mon 5/11

6:45 am-5:56 pm

2 stops18h 11m

$1,044

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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?

American Airlines, British Airways, and Air France 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

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

  • 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
7,864 reviews
Search Lufthansa flights
IberiaPriceFrom $612Free CancellationRating
7.0
3,150 reviews
Search Iberia flights
United AirlinesPriceFrom $699Free CancellationRating
7.4
9,467 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
Wed 4/22
Wed 4/29
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