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Cheap flights from Illinois to Bilbao from $236

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 10/6. 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

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Find the cheapest flights from Illinois to Bilbao

Cheap round-trip flights

Scandinavian Airlines Logo
7:20 pm - 6:40 pmORD-BIO
16h 20m1 stop
Scandinavian Airlines Logo
7:30 pm - 4:45 pmBIO-ORD
28h 15m1 stop
$463Scandinavian Airlines
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Sun, Nov 9 - Fri, Nov 14
Scandinavian Airlines Logo
7:20 pm - 6:40 pmORD-BIO
16h 20m1 stop
Scandinavian Airlines Logo
8:30 pm - 4:45 pmBIO-ORD
27h 15m1 stop
$493Scandinavian Airlines
Find Deal
Sun, Nov 2 - Fri, Nov 7
United Airlines Logo
9:50 pm - 11:05 pmORD-BIO
18h 15m1 stop
United Airlines Logo
6:45 am - 3:20 pmBIO-ORD
15h 35m1 stop
$555United Airlines
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Sun, Nov 2 - Tue, Nov 18
Multiple Airlines Logo
3:35 pm - 2:00 pmORD-BIO
15h 25m2 stops
Multiple Airlines Logo
7:10 am - 11:18 amBIO-ORD
35h 08m2 stops
$567Multiple Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Turkish Airlines Logo
8:20 pm - 11:00 amORD-BIO
31h 40m1 stop
Turkish Airlines Logo
12:00 pm - 10:05 amBIO-ORD
29h 05m1 stop
$568Turkish Airlines
Find Deal
Thu, Nov 6 - Tue, Nov 11
Turkish Airlines Logo
8:20 pm - 11:00 amORD-BIO
31h 40m1 stop
Turkish Airlines Logo
5:10 pm - 6:25 pmBIO-ORD
32h 15m1 stop
$573Turkish Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 13
Multiple Airlines Logo
5:20 pm - 11:30 amORD-BIO
11h 10m1 stop
Multiple Airlines Logo
7:25 am - 4:28 pmBIO-ORD
16h 03m2 stops
$579Multiple Airlines
Find Deal
Sun, Nov 2 - Tue, Nov 18
Delta Logo
5:15 pm - 5:20 pmSTL-BIO
17h 05m2 stops
Delta Logo
12:15 pm - 9:58 pmBIO-STL
16h 43m2 stops
$590Delta
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Wed, Nov 5 - Wed, Nov 12
United Airlines Logo
6:00 pm - 6:05 pmORD-BIO
17h 05m1 stop
United Airlines Logo
12:50 pm - 8:05 pmBIO-ORD
14h 15m1 stop
$592United Airlines
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Wed, Nov 5 - Wed, Nov 12
Delta Logo
5:09 pm - 4:30 pmMDW-BIO
16h 21m2 stops
Delta Logo
12:15 pm - 11:40 pmBIO-MDW
18h 25m2 stops
$602Delta
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Wed, Nov 5 - Wed, Nov 12

Delta flights from Illinois to Bilbao

Our best Delta deals on Illinois to Bilbao flight tickets
Delta
Nov 5
STL5:15 pmLambert-St Louis
17h 05m
2 stops
BIO5:20 pmBilbao
Nov 12
BIO12:15 pmBilbao
16h 43m
2 stops
STL9:58 pmLambert-St Louis
$590
Find similar
Delta
Nov 5
MDW5:09 pmChicago Midway
16h 21m
2 stops
BIO4:30 pmBilbao
Nov 12
BIO12:15 pmBilbao
18h 25m
2 stops
MDW11:40 pmChicago Midway
$602
Find similar
Delta
Nov 12
MDW1:15 pmChicago Midway
21h 05m
2 stops
BIO5:20 pmBilbao
Nov 16
BIO6:50 amBilbao
18h 18m
2 stops
MDW6:08 pmChicago Midway
$641
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KLM flights from Illinois to Bilbao

Our best KLM deals on Illinois to Bilbao flight tickets
KLM
Nov 6
ORD5:20 pmChicago O'Hare Intl
11h 10m
1 stop
BIO11:30 amBilbao
Nov 13
BIO11:55 amBilbao
15h 34m
2 stops
ORD8:29 pmChicago O'Hare Intl
$636
Find similar
KLM
Oct 6
ORD6:59 pmChicago O'Hare Intl
14h 31m
2 stops
BIO4:30 pmBilbao
Oct 13
BIO5:15 pmBilbao
27h 55m
1 stop
ORD2:10 pmChicago O'Hare Intl
$743
Find similar
KLM
Oct 5
ORD5:10 pmChicago O'Hare Intl
21h 50m
1 stop
BIO10:00 pmBilbao
Oct 12
BIO12:00 pmBilbao
33h 40m
1 stop
ORD2:40 pmChicago O'Hare Intl
$778
Find similar

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 September 22, 2025.
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

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 11/9

7:20 pm-6:40 pm

1 stop16h 20m

Bilbao

Fri 11/14

7:30 pm-4:45 pm

1 stop28h 15m

$463

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 11/2

7:20 pm-6:40 pm

1 stop16h 20m

Bilbao

Fri 11/7

8:30 pm-4:45 pm

1 stop27h 15m

$493

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 11/2

9:50 pm-11:05 pm

1 stop18h 15m

Bilbao

Tue 11/18

6:45 am-3:20 pm

1 stop15h 35m

$555

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Wed 11/5

3:35 pm-2:00 pm

2 stops15h 25m

Bilbao

Wed 11/12

7:10 am-11:18 am

2 stops35h 08m

$567

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Thu 11/6

8:20 pm-11:00 am

1 stop31h 40m

Bilbao

Tue 11/11

12:00 pm-10:05 am

1 stop29h 05m

$568

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Thu 11/6

8:20 pm-11:00 am

1 stop31h 40m

Bilbao

Thu 11/13

5:10 pm-6:25 pm

1 stop32h 15m

$573

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 11/2

5:20 pm-11:30 am

1 stop11h 10m

Bilbao

Tue 11/18

7:25 am-4:28 pm

2 stops16h 03m

$579

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Wed 11/5

5:15 pm-5:20 pm

2 stops17h 05m

Bilbao

Wed 11/12

12:15 pm-9:58 pm

2 stops16h 43m

$590

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Wed 11/5

6:00 pm-6:05 pm

1 stop17h 05m

Bilbao

Wed 11/12

12:50 pm-8:05 pm

1 stop14h 15m

$592

ChicagoBilbao

MDW - BIO

MDWBIO

Chicago Midway

Wed 11/5

5:09 pm-4:30 pm

2 stops16h 21m

Bilbao

Wed 11/12

12:15 pm-11:40 pm

2 stops18h 25m

$602

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 day to depart on your flight to Bilbao?

The cheapest day to depart from Illinois to Bilbao is on a Monday. Travelers who choose to depart for Bilbao on a Monday will often find tickets for as low as $930. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,171. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bilbao.

What is the cheapest time of day to depart on your flight to Bilbao?

Our most recent data shows that the best time of day to fly to Bilbao is in the morning. Flights from Illinois to Bilbao during this time can be as low as $652. In the evening is when there is more demand to fly to Bilbao, so prices are often more expensive at around $1,100 per ticket.

Can stopping save me money on Illinois to Bilbao flights?

You could potentially save up to 6% 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

Direct flights

None
There are no direct flights from Illinois to Bilbao. There are no popular flight routes from Illinois to Bilbao.
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  • 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
United AirlinesPriceFrom $639Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
IberiaPriceFrom $640Free CancellationRating
7.0
2,938 reviews
Search Iberia flights
LufthansaPriceFrom $646Free CancellationRating
6.8
7,421 reviews
Search Lufthansa 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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