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

Delta and TAP AIR PORTUGAL are the most popular carriers operating from Bilbao to Illinois

When did momondo last update prices for flights from Bilbao Airport to Illinois?

Prices for flights from Bilbao Airport to Illinois were last updated today.

How old do you have to be to fly from Bilbao Airport to Illinois?

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 Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$367 Cheap Flights from Bilbao to Illinois in 2026

Find the cheapest flights from Bilbao to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 am - 2:25 pmBIO Bilbao-ORD Chicago O'Hare Intl

14h 40m1 stop Madrid Barajas

6:40 pm - 12:50 pmORD Chicago O'Hare Intl-BIO Bilbao

12h 10m1 stop Madrid Barajas

$507Iberia

Thu, Oct 22 - Mon, Oct 26

6:45 am - 2:25 pmBIO Bilbao-ORD Chicago O'Hare Intl

14h 40m1 stop Madrid Barajas

6:40 pm - 12:50 pmORD Chicago O'Hare Intl-BIO Bilbao

12h 10m1 stop Madrid Barajas

$568Iberia

Thu, Oct 22 - Mon, Oct 26

9:15 am - 2:25 pmBIO Bilbao-ORD Chicago O'Hare Intl

12h 10m1 stop Madrid Barajas

4:00 pm - 1:45 pmORD Chicago O'Hare Intl-BIO Bilbao

14h 45m2 stops Philadelphia Madrid Barajas

$569Iberia

Thu, Sep 3 - Mon, Sep 7

9:15 am - 4:00 pmBIO Bilbao-ORD Chicago O'Hare Intl

13h 45m1 stop Madrid Barajas

11:37 am - 8:30 amORD Chicago O'Hare Intl-BIO Bilbao

13h 53m2 stops New York John F Kennedy Intl Madrid Barajas

$575Iberia

Thu, Sep 10 - Wed, Sep 23

6:45 am - 4:00 pmBIO Bilbao-ORD Chicago O'Hare Intl

16h 15m1 stop Madrid Barajas

10:25 pm - 8:30 amORD Chicago O'Hare Intl-BIO Bilbao

27h 05m1 stop Madrid Barajas

$578Iberia

Thu, Sep 3 - Mon, Sep 7

5:35 pm - 2:25 pmBIO Bilbao-ORD Chicago O'Hare Intl

27h 50m1 stop Madrid Barajas

10:15 pm - 11:15 pmORD Chicago O'Hare Intl-BIO Bilbao

18h 00m1 stop Madrid Barajas

$579Iberia

Tue, Sep 22 - Tue, Sep 29

12:25 pm - 12:40 pmBIO Bilbao-ORD Chicago O'Hare Intl

31h 15m1 stop Lisbon Humberto Delgado

9:10 pm - 6:35 pmORD Chicago O'Hare Intl-BIO Bilbao

15h 25m1 stop Lisbon Humberto Delgado

$584TAP AIR PORTUGAL

Wed, Oct 21 - Sun, Oct 25

9:15 am - 2:25 pmBIO Bilbao-ORD Chicago O'Hare Intl

12h 10m1 stop Madrid Barajas

11:30 am - 1:45 pmORD Chicago O'Hare Intl-BIO Bilbao

19h 15m2 stops Boston Logan Intl Madrid Barajas

$592Iberia

Thu, Sep 3 - Mon, Sep 7

5:35 pm - 2:25 pmBIO Bilbao-ORD Chicago O'Hare Intl

27h 50m1 stop Madrid Barajas

10:25 pm - 10:05 pmORD Chicago O'Hare Intl-BIO Bilbao

16h 40m1 stop Madrid Barajas

$596Iberia

Tue, Sep 1 - Sun, Sep 6

7:15 pm - 2:25 pmBIO Bilbao-ORD Chicago O'Hare Intl

26h 10m1 stop Madrid Barajas

10:25 pm - 11:15 pmORD Chicago O'Hare Intl-BIO Bilbao

17h 50m1 stop Madrid Barajas

$597Iberia

Thu, Sep 3 - Mon, Sep 7

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Iberia flights from Bilbao to Illinois

Our best Iberia deals on Bilbao to Illinois flight tickets

Iberia

Oct 22

BIO6:45 amBilbao

14h 40m

1 stop

ORD2:25 pmChicago O'Hare Intl

Oct 26

ORD6:40 pmChicago O'Hare Intl

12h 10m

1 stop

BIO12:50 pmBilbao

$507

Iberia

Oct 22

BIO6:45 amBilbao

14h 40m

1 stop

ORD2:25 pmChicago O'Hare Intl

Oct 26

ORD6:40 pmChicago O'Hare Intl

12h 10m

1 stop

BIO12:50 pmBilbao

$568

Iberia

Sep 3

BIO9:15 amBilbao

12h 10m

1 stop

ORD2:25 pmChicago O'Hare Intl

Sep 7

ORD4:00 pmChicago O'Hare Intl

14h 45m

2 stops

BIO1:45 pmBilbao

$569

KLM flights from Bilbao to Illinois

Our best KLM deals on Bilbao to Illinois flight tickets

KLM

Oct 23

BIO6:45 amBilbao

14h 30m

1 stop

ORD2:15 pmChicago O'Hare Intl

Oct 26

ORD1:45 pmChicago O'Hare Intl

15h 35m

2 stops

BIO11:20 amBilbao

$687

KLM

Oct 21

BIO7:10 amBilbao

16h 09m

2 stops

MDW4:19 pmChicago Midway

Oct 27

MDW6:44 pmChicago Midway

15h 46m

2 stops

BIO4:30 pmBilbao

$699

KLM

Oct 23

BIO7:10 amBilbao

16h 09m

2 stops

MDW4:19 pmChicago Midway

Oct 25

MDW6:44 pmChicago Midway

15h 46m

2 stops

BIO4:30 pmBilbao

$716

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BilbaoChicago

BIO Bilbao - ORD Chicago O'Hare Intl

BIOORD

Bilbao

Thu 10/22

6:45 am-2:25 pm

1 stop14h 40m

Chicago O'Hare Intl

Mon 10/26

6:40 pm-12:50 pm

1 stop12h 10m

$507

BilbaoChicago

BIO Bilbao - ORD Chicago O'Hare Intl

BIOORD

Bilbao

Thu 10/22

6:45 am-2:25 pm

1 stop14h 40m

Chicago O'Hare Intl

Mon 10/26

6:40 pm-12:50 pm

1 stop12h 10m

$568

BilbaoChicago

BIO Bilbao - ORD Chicago O'Hare Intl

BIOORD

Bilbao

Thu 9/3

9:15 am-2:25 pm

1 stop12h 10m

Chicago O'Hare Intl

Mon 9/7

4:00 pm-1:45 pm

2 stops14h 45m

$569

BilbaoChicago

BIO Bilbao - ORD Chicago O'Hare Intl

BIOORD

Bilbao

Thu 9/10

9:15 am-4:00 pm

1 stop13h 45m

Chicago O'Hare Intl

Wed 9/23

11:37 am-8:30 am

2 stops13h 53m

$575

BilbaoChicago

BIO Bilbao - ORD Chicago O'Hare Intl

BIOORD

Bilbao

Thu 9/3

6:45 am-4:00 pm

1 stop16h 15m

Chicago O'Hare Intl

Mon 9/7

10:25 pm-8:30 am

1 stop27h 05m

$578

BilbaoChicago

BIO Bilbao - ORD Chicago O'Hare Intl

BIOORD

Bilbao

Tue 9/22

5:35 pm-2:25 pm

1 stop27h 50m

Chicago O'Hare Intl

Tue 9/29

10:15 pm-11:15 pm

1 stop18h 00m

$579

BilbaoChicago

BIO Bilbao - ORD Chicago O'Hare Intl

BIOORD

Bilbao

Wed 10/21

12:25 pm-12:40 pm

1 stop31h 15m

Chicago O'Hare Intl

Sun 10/25

9:10 pm-6:35 pm

1 stop15h 25m

$584

BilbaoChicago

BIO Bilbao - ORD Chicago O'Hare Intl

BIOORD

Bilbao

Thu 9/3

9:15 am-2:25 pm

1 stop12h 10m

Chicago O'Hare Intl

Mon 9/7

11:30 am-1:45 pm

2 stops19h 15m

$592

BilbaoChicago

BIO Bilbao - ORD Chicago O'Hare Intl

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

$596

BilbaoChicago

BIO Bilbao - ORD Chicago O'Hare Intl

BIOORD

Bilbao

Thu 9/3

7:15 pm-2:25 pm

1 stop26h 10m

Chicago O'Hare Intl

Mon 9/7

10:25 pm-11:15 pm

1 stop17h 50m

$597

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 Bilbao to Illinois

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

Prices

Airlines

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Bilbao is in January. Flight prices, which tend to average around $448, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $455.

Can stopping save me money on Bilbao to Illinois flights?

You could potentially save up to 47% on your flight if you consider stops on a Bilbao to Illinois flight.

Cheap Bilbao to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bilbao to Illinois

Fastest flight time	12h 10m
Direct flights	None

The fastest flight from Bilbao to Illinois takes 12h 10m

There are no direct flights from Bilbao to Illinois. There are no popular flight routes from Bilbao to Illinois.

Search flight deals

Frequently asked questions about flying from Bilbao to Illinois

When did momondo last update prices for flights from Bilbao Airport to Illinois?
Prices for flights from Bilbao Airport to Illinois were last updated today.
How old do you have to be to fly from Bilbao Airport to Illinois?
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 Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Illinois from Bilbao is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Bilbao to Illinois flights to just show those with flexible booking policies.

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

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

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