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Cheap flights from Illinois to Bilbao from $309

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Bilbao departing on 9/7. 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 Illinois 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
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
United Airlines Logo
8:30 am - 4:00 pm
STL
-
BIO
24h 30m
2 stops
United Airlines Logo
6:45 am - 1:25 pm
BIO
-
STL
13h 40m
1 stop
$737United Airlines
Mon, Oct 5 - Fri, Oct 16

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Scandinavian Airlines flights from Illinois to Bilbao

Our best Scandinavian Airlines deals on Illinois to Bilbao flight tickets
Scandinavian Airlines
Sep 15
ORD7:15 pmChicago O'Hare Intl
16h 30m
1 stop
BIO6:45 pmBilbao
Sep 23
BIO7:35 pmBilbao
27h 35m
1 stop
ORD4:10 pmChicago O'Hare Intl
$694
Scandinavian Airlines
Oct 6
ORD7:15 pmChicago O'Hare Intl
16h 30m
1 stop
BIO6:45 pmBilbao
Oct 21
BIO7:35 pmBilbao
27h 35m
1 stop
ORD4:10 pmChicago O'Hare Intl
$701
Scandinavian Airlines
Sep 17
ORD7:15 pmChicago O'Hare Intl
16h 30m
1 stop
BIO6:45 pmBilbao
Sep 25
BIO7:35 pmBilbao
27h 35m
1 stop
ORD4:10 pmChicago O'Hare Intl
$711

Turkish Airlines flights from Illinois to Bilbao

Our best Turkish Airlines deals on Illinois 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
Sep 15
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
$738

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 Illinois 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

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

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Mon 10/5

8:30 am-4:00 pm

2 stops24h 30m

Bilbao

Fri 10/16

6:45 am-1:25 pm

1 stop13h 40m

$737

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 Illinois 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 month to fly to Bilbao?

The cheapest month to fly to Bilbao from Illinois 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 Illinois to Bilbao during September average around $509.

Cheap Illinois to Bilbao flight deals and tips

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

Fastest flight time

12h 50m

Direct flights

None
The fastest flight from Illinois to Bilbao takes 12h 50m
There are no direct flights from Illinois to Bilbao. There are no popular flight routes from Illinois to Bilbao.
Search flight deals

Frequently asked questions about flying from Illinois to Bilbao

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

    Prices for flights from Illinois to Bilbao Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Illinois to Bilbao Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Bilbao Airport.

  • What documentation or ID do you need to fly to Bilbao Airport?

    The travel and health documents you'll need for your trip to Bilbao Airport 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 Bilbao Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Bilbao

Compare and see reviews for airlines that fly from Illinois 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 Illinois to Bilbao?

Finding the right flight to Bilbao from Illinois 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 Bilbao quick and easy, saving you time and money.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Bilbao.

I’m not ready to book a flight from Illinois to Bilbao right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Bilbao from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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