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Cheap flights from Illinois to Bilbao from $341

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 9/23. 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
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.
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
$684Turkish Airlines
Wed, Sep 30 - Tue, Oct 13
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
$726Turkish Airlines
Tue, Sep 8 - Tue, Sep 15
Multiple Airlines Logo
6:35 pm - 11:15 pm
ORD
-
BIO
21h 40m
2 stops
Multiple Airlines Logo
6:45 am - 4:00 pm
BIO
-
ORD
16h 15m
1 stop
$741Multiple Airlines
Wed, Sep 30 - Tue, Oct 13
Multiple Airlines Logo
6:35 pm - 11:15 pm
ORD
-
BIO
21h 40m
2 stops
Multiple Airlines Logo
6:45 am - 9:22 pm
BIO
-
ORD
21h 37m
2 stops
$752Multiple Airlines
Wed, Sep 30 - Tue, Oct 13
Delta Logo
5:59 pm - 4:30 pm
MDW
-
BIO
15h 31m
2 stops
Delta Logo
7:10 am - 6:05 pm
BIO
-
MDW
17h 55m
2 stops
$950Delta
Mon, Aug 31 - Sun, Sep 6
Delta Logo
1:59 pm - 5:30 pm
MDW
-
BIO
20h 31m
2 stops
Delta Logo
6:45 am - 4:16 pm
BIO
-
MDW
16h 31m
2 stops
$952Delta
Tue, Jun 2 - Wed, Jun 10
Air France Logo
1:22 pm - 9:50 am
MDW
-
BIO
13h 28m
2 stops
Air France Logo
7:10 am - 4:16 pm
BIO
-
MDW
16h 06m
2 stops
$960Air France
Wed, Jun 3 - Thu, Jun 11
United Airlines Logo
12:23 pm - 5:55 pm
STL
-
BIO
22h 32m
2 stops
United Airlines Logo
2:10 pm - 8:07 pm
BIO
-
STL
36h 57m
2 stops
$1,021United Airlines
Fri, Jul 24 - Mon, Aug 3
Air France Logo
1:21 pm - 9:50 am
MDW
-
BIO
13h 29m
2 stops
Air France Logo
7:10 am - 4:15 pm
BIO
-
MDW
16h 05m
2 stops
$1,051Air France
Wed, Jun 24 - Tue, Jul 7
United Airlines Logo
4:53 pm - 11:15 am
STL
-
BIO
35h 22m
2 stops
United Airlines Logo
11:00 am - 11:44 pm
BIO
-
STL
43h 44m
2 stops
$1,078United Airlines
Thu, Jul 2 - Tue, Aug 4

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United Airlines flights from Illinois to Bilbao

Our best United Airlines deals on Illinois to Bilbao flight tickets
United Airlines
Oct 4
ORD6:00 pmChicago O'Hare Intl
15h 00m
1 stop
BIO4:00 pmBilbao
Oct 14
BIO6:50 amBilbao
13h 05m
1 stop
ORD12:55 pmChicago O'Hare Intl
$789
United Airlines
Oct 4
ORD6:00 pmChicago O'Hare Intl
15h 00m
1 stop
BIO4:00 pmBilbao
Oct 14
BIO11:00 amBilbao
19h 15m
2 stops
ORD11:15 pmChicago O'Hare Intl
$799
United Airlines
Sep 30
ORD10:30 pmChicago O'Hare Intl
16h 55m
1 stop
BIO10:25 pmBilbao
Oct 7
BIO6:50 amBilbao
20h 05m
1 stop
ORD7:55 pmChicago O'Hare Intl
$801

SWISS flights from Illinois to Bilbao

Our best SWISS deals on Illinois to Bilbao flight tickets
SWISS
Sep 28
ORD7:05 pmChicago O'Hare Intl
18h 00m
1 stop
BIO8:05 pmBilbao
Oct 9
BIO2:00 pmBilbao
29h 35m
2 stops
ORD12:35 pmChicago O'Hare Intl
$829
SWISS
Sep 28
ORD2:20 pmChicago O'Hare Intl
20h 35m
2 stops
BIO5:55 pmBilbao
Oct 9
BIO2:00 pmBilbao
29h 35m
2 stops
ORD12:35 pmChicago O'Hare Intl
$896
SWISS
May 17
ORD7:05 pmChicago O'Hare Intl
16h 30m
1 stop
BIO6:35 pmBilbao
Jun 5
BIO8:55 amBilbao
14h 00m
1 stop
ORD3:55 pmChicago O'Hare Intl
$1,017

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 May 5, 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

Wed 9/30

8:10 pm-11:10 am

1 stop32h 00m

Bilbao

Tue 10/13

12:10 pm-9:40 am

1 stop28h 30m

$684

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 9/8

8:10 pm-5:20 pm

1 stop38h 10m

Bilbao

Tue 9/15

12:10 pm-9:40 am

1 stop28h 30m

$726

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Wed 9/30

6:35 pm-11:15 pm

2 stops21h 40m

Bilbao

Tue 10/13

6:45 am-4:00 pm

1 stop16h 15m

$741

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Wed 9/30

6:35 pm-11:15 pm

2 stops21h 40m

Bilbao

Tue 10/13

6:45 am-9:22 pm

2 stops21h 37m

$752

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Mon 8/31

5:59 pm-4:30 pm

2 stops15h 31m

Bilbao

Sun 9/6

7:10 am-6:05 pm

2 stops17h 55m

$950

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Tue 6/2

1:59 pm-5:30 pm

2 stops20h 31m

Bilbao

Wed 6/10

6:45 am-4:16 pm

2 stops16h 31m

$952
Quickest round-trip

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Wed 6/3

1:22 pm-9:50 am

2 stops13h 28m

Bilbao

Thu 6/11

7:10 am-4:16 pm

2 stops16h 06m

$960

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Fri 7/24

12:23 pm-5:55 pm

2 stops22h 32m

Bilbao

Mon 8/3

2:10 pm-8:07 pm

2 stops36h 57m

$1,021

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Wed 6/24

1:21 pm-9:50 am

2 stops13h 29m

Bilbao

Tue 7/7

7:10 am-4:15 pm

2 stops16h 05m

$1,051

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Thu 7/2

4:53 pm-11:15 am

2 stops35h 22m

Bilbao

Tue 8/4

11:00 am-11:44 pm

2 stops43h 44m

$1,078

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 March. Flight prices, which tend to average around $528, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in March, then August is your next best option. Flight prices from Illinois to Bilbao during August average around $547.

Can stopping save me money on Illinois to Bilbao flights?

You could potentially save up to 38% on your flight if you consider stops on a Illinois to Bilbao flight.

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

11h 48m

Direct flights

None
The fastest flight from Illinois to Bilbao takes 11h 48m
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
7,972 reviews
Search Lufthansa flights
United AirlinesPriceFrom $699Free CancellationRating
7.4
9,683 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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