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Cheap flights from Bilbao to Chicago from $371

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Bilbao to Chicago departing on 9/10. 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

Find the cheapest flights from Bilbao to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
9:15 am - 2:25 pm
BIO
-
ORD
12h 10m
1 stop
Iberia Logo
11:37 am - 8:30 am
ORD
-
BIO
13h 53m
2 stops
$371Iberia
Thu, Sep 10 - Sat, Sep 19
Iberia Logo
9:15 am - 9:35 pm
BIO
-
ORD
19h 20m
2 stops
Iberia Logo
11:37 am - 8:30 am
ORD
-
BIO
13h 53m
2 stops
$376Iberia
Thu, Sep 10 - Sat, Sep 19
British Airways Logo
9:15 am - 2:25 pm
BIO
-
ORD
12h 10m
1 stop
British Airways Logo
12:05 pm - 8:30 am
ORD
-
BIO
14h 25m
2 stops
$399British Airways
Wed, Oct 21 - Mon, Oct 26
British Airways Logo
9:15 am - 8:30 pm
BIO
-
ORD
18h 15m
2 stops
British Airways Logo
12:05 pm - 8:30 am
ORD
-
BIO
14h 25m
2 stops
$406British Airways
Wed, Oct 21 - Mon, Oct 26
Iberia Logo
6:45 am - 4:00 pm
BIO
-
ORD
16h 15m
1 stop
Iberia Logo
10:25 pm - 10:05 pm
ORD
-
BIO
16h 40m
1 stop
$416Iberia
Tue, Sep 1 - Sun, Sep 6
Iberia Logo
6:45 am - 4:00 pm
BIO
-
ORD
16h 15m
1 stop
Iberia Logo
4:55 pm - 8:30 am
ORD
-
BIO
32h 35m
1 stop
$425Iberia
Thu, Sep 10 - Sat, Sep 19
British Airways Logo
9:35 pm - 2:25 pm
BIO
-
ORD
23h 50m
1 stop
British Airways Logo
11:53 am - 8:30 am
ORD
-
BIO
13h 37m
2 stops
$426British Airways
Tue, Sep 1 - Sun, Sep 6
British Airways Logo
9:35 pm - 2:25 pm
BIO
-
ORD
23h 50m
1 stop
British Airways Logo
11:53 am - 8:30 am
ORD
-
BIO
13h 37m
2 stops
$427British Airways
Tue, Sep 1 - Sun, Sep 6
Iberia Logo
5:35 pm - 2:25 pm
BIO
-
ORD
27h 50m
1 stop
Iberia Logo
10:25 pm - 10:05 pm
ORD
-
BIO
16h 40m
1 stop
$428Iberia
Tue, Sep 1 - Sun, Sep 6
British Airways Logo
9:15 am - 2:25 pm
BIO
-
ORD
12h 10m
1 stop
British Airways Logo
1:19 pm - 12:45 pm
ORD
-
BIO
16h 26m
2 stops
$433British Airways
Fri, Sep 4 - Sat, Sep 12

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KLM flights from Bilbao to Chicago O'Hare Intl Airport

Our best KLM deals on Bilbao to Chicago O'Hare Intl Airport flight tickets
KLM
Dec 30
BIO5:20 pmBilbao
28h 05m
1 stop
ORD2:25 pmChicago O'Hare Intl
Jan 16
ORD6:25 pmChicago O'Hare Intl
16h 00m
1 stop
BIO5:25 pmBilbao
$645
KLM
Dec 30
BIO11:55 amBilbao
33h 30m
1 stop
ORD2:25 pmChicago O'Hare Intl
Jan 17
ORD1:30 pmChicago O'Hare Intl
15h 15m
2 stops
BIO11:45 amBilbao
$668
KLM
Dec 29
BIO5:20 pmBilbao
28h 05m
1 stop
ORD2:25 pmChicago O'Hare Intl
Jan 17
ORD6:25 pmChicago O'Hare Intl
16h 00m
1 stop
BIO5:25 pmBilbao
$675

Delta flights from Bilbao to Chicago O'Hare Intl Airport

Our best Delta deals on Bilbao to Chicago O'Hare Intl Airport flight tickets
Delta
Sep 1
BIO6:45 amBilbao
16h 32m
2 stops
ORD4:17 pmChicago O'Hare Intl
Sep 6
ORD10:30 amChicago O'Hare Intl
16h 20m
2 stops
BIO9:50 amBilbao
$505
Delta
Sep 1
BIO6:45 amBilbao
17h 56m
2 stops
ORD5:41 pmChicago O'Hare Intl
Sep 6
ORD10:30 amChicago O'Hare Intl
16h 20m
2 stops
BIO9:50 amBilbao
$506
Delta
Sep 1
BIO6:45 amBilbao
16h 32m
2 stops
ORD4:17 pmChicago O'Hare Intl
Sep 6
ORD10:30 amChicago O'Hare Intl
16h 20m
2 stops
BIO9:50 amBilbao
$523

momondo Fare Finder

 
Customize your flight search to find flights from Bilbao to Chicago O'Hare Intl Airport 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 July 8, 2026.
Use the filters below to find and compare flights from Bilbao to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 9/10

9:15 am-2:25 pm

1 stop12h 10m

Chicago O'Hare Intl

Sat 9/19

11:37 am-8:30 am

2 stops13h 53m

$371

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 9/10

9:15 am-9:35 pm

2 stops19h 20m

Chicago O'Hare Intl

Sat 9/19

11:37 am-8:30 am

2 stops13h 53m

$376

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Wed 10/21

9:15 am-2:25 pm

1 stop12h 10m

Chicago O'Hare Intl

Mon 10/26

12:05 pm-8:30 am

2 stops14h 25m

$399

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Wed 10/21

9:15 am-8:30 pm

2 stops18h 15m

Chicago O'Hare Intl

Mon 10/26

12:05 pm-8:30 am

2 stops14h 25m

$406

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 9/1

6:45 am-4:00 pm

1 stop16h 15m

Chicago O'Hare Intl

Sun 9/6

10:25 pm-10:05 pm

1 stop16h 40m

$416

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Thu 9/10

6:45 am-4:00 pm

1 stop16h 15m

Chicago O'Hare Intl

Sat 9/19

4:55 pm-8:30 am

1 stop32h 35m

$425

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 9/1

9:35 pm-2:25 pm

1 stop23h 50m

Chicago O'Hare Intl

Sun 9/6

11:53 am-8:30 am

2 stops13h 37m

$426

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 9/1

9:35 pm-2:25 pm

1 stop23h 50m

Chicago O'Hare Intl

Sun 9/6

11:53 am-8:30 am

2 stops13h 37m

$427

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Tue 9/1

5:35 pm-2:25 pm

1 stop27h 50m

Chicago O'Hare Intl

Sun 9/6

10:25 pm-10:05 pm

1 stop16h 40m

$428

BilbaoChicago

BIO - ORD

BIOORD

Bilbao

Fri 9/4

9:15 am-2:25 pm

1 stop12h 10m

Chicago O'Hare Intl

Sat 9/12

1:19 pm-12:45 pm

2 stops16h 26m

$433

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 Chicago from

How to get the cheapest flight ticket from Bilbao to Chicago O'Hare Intl Airport

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 month to fly to Chicago O'Hare Intl Airport?

The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Bilbao averaging around $437.

Can stopping save me money on Bilbao to Chicago O'Hare Intl Airport flights?

You could potentially save up to 17% on your flight if you consider stops on a Bilbao to Chicago O'Hare Intl Airport flight.

When to book flights from Bilbao to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Bilbao to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Bilbao to Chicago O'Hare Intl Airport (BIO to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bilbao to Chicago O'Hare Intl Airport

Fastest flight time

12h 10m

Direct flights

None
The fastest flight from Bilbao to Chicago O'Hare Intl Airport takes 12h 10m
There are no direct flights from Bilbao to Chicago O'Hare Intl Airport. There are no popular flight routes from Bilbao to Chicago O'Hare Intl Airport.
Search flight deals

Frequently asked questions about flying from Bilbao to Chicago O'Hare Intl Airport

  • How far is Bilbao to Chicago O'Hare Intl by plane?

    Chicago O'Hare Intl is 4115.9 mi away from Bilbao. Flights usually cover this in 12h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Bilbao Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Bilbao Airport to Chicago O'Hare Intl Airport are updated daily.

  • How old do you have to be to fly from Bilbao Airport to Chicago O'Hare Intl 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 Bilbao Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Rosemont
Naperville
Orland Park
Oak Brook
New Buffalo
Joliet
Kenosha
Hammond
Aurora
Racine
Janesville
Elgin
Evanston
South Holland

Why use momondo?

Why should I use momondo to find a flight deal from Bilbao to Chicago?

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 Bilbao to Chicago for you.

Can I find flights from Bilbao to Chicago with flexible booking policies on momondo?

All flight searches from Bilbao to Chicago on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Bilbao to Chicago?

Once you have performed a search for Bilbao to Chicago 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 Bilbao to Chicago right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Bilbao and alert you when they change.

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