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Cheap flights from Illinois to Bilbao from $313

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 9/15. 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

Logo
10:40 am - 11:55 amORD-BIO
18h 15m2 stops
Logo
9:05 pm - 2:55 pmBIO-ORD
24h 50m3 stops
$514
Find Deal
Tue, Sep 23 - Tue, Oct 7
Logo
8:40 am - 4:00 pmORD-BIO
24h 20m3 stops
Logo
9:05 pm - 2:55 pmBIO-ORD
24h 50m3 stops
$521
Find Deal
Tue, Sep 23 - Tue, Oct 7
United Airlines Logo
2:20 pm - 10:45 amORD-BIO
13h 25m1 stop
United Airlines Logo
6:45 am - 8:11 pmBIO-ORD
20h 26m2 stops
$573United Airlines
Find Deal
Tue, Sep 23 - Fri, Oct 3
Turkish Airlines Logo
7:50 pm - 5:25 pmORD-BIO
38h 35m1 stop
Turkish Airlines Logo
12:05 pm - 10:00 pmBIO-ORD
16h 55m1 stop
$579Turkish Airlines
Find Deal
Tue, Oct 7 - Mon, Oct 20
Turkish Airlines Logo
11:45 pm - 11:05 amORD-BIO
28h 20m1 stop
Turkish Airlines Logo
6:25 pm - 9:40 amBIO-ORD
22h 15m1 stop
$583Turkish Airlines
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Sat, Sep 13 - Wed, Sep 17
Iberia Logo
4:30 pm - 8:50 pmORD-BIO
21h 20m1 stop
Iberia Logo
1:30 pm - 6:50 pmBIO-ORD
12h 20m1 stop
$589Iberia
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Sun, Sep 28 - Wed, Oct 15
United Airlines Logo
9:40 pm - 11:25 pmORD-BIO
18h 45m1 stop
United Airlines Logo
6:45 am - 8:11 pmBIO-ORD
20h 26m2 stops
$590United Airlines
Find Deal
Sun, Sep 21 - Fri, Oct 3
Air Canada Logo
1:30 pm - 1:25 pmSTL-BIO
16h 55m2 stops
Air Canada Logo
6:45 am - 7:57 pmBIO-STL
20h 12m2 stops
$593Air Canada
Find Deal
Sun, Sep 28 - Thu, Oct 9
Air Canada Logo
8:40 am - 4:05 pmORD-BIO
24h 25m2 stops
Air Canada Logo
6:45 am - 8:22 pmBIO-ORD
20h 37m2 stops
$595Air Canada
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Mon, Sep 29 - Tue, Oct 14
Iberia Logo
4:30 pm - 12:45 pmORD-BIO
13h 15m1 stop
Iberia Logo
9:15 am - 7:33 pmBIO-ORD
17h 18m2 stops
$599Iberia
Find Deal
Tue, Sep 23 - Wed, Oct 1

Lufthansa flights from Illinois to Bilbao

Our best Lufthansa deals on Illinois to Bilbao flight tickets
Lufthansa
Sep 22
ORD10:30 pmChicago O'Hare Intl
13h 15m
1 stop
BIO6:45 pmBilbao
Oct 2
BIO6:45 amBilbao
20h 10m
1 stop
ORD7:55 pmChicago O'Hare Intl
$594
Find similar
Lufthansa
Oct 5
STL12:25 pmLambert-St Louis
15h 40m
2 stops
BIO11:05 amBilbao
Oct 15
BIO6:45 amBilbao
13h 45m
1 stop
STL1:30 pmLambert-St Louis
$595
Find similar
Lufthansa
Sep 29
STL5:28 pmLambert-St Louis
22h 57m
2 stops
BIO11:25 pmBilbao
Oct 14
BIO6:45 amBilbao
15h 59m
2 stops
STL3:44 pmLambert-St Louis
$604
Find similar

United Airlines flights from Illinois to Bilbao

Our best United Airlines deals on Illinois to Bilbao flight tickets
United Airlines
Sep 23
ORD2:20 pmChicago O'Hare Intl
13h 25m
1 stop
BIO10:45 amBilbao
Oct 3
BIO6:45 amBilbao
20h 26m
2 stops
ORD8:11 pmChicago O'Hare Intl
$573
Find similar
United Airlines
Sep 21
ORD9:40 pmChicago O'Hare Intl
18h 45m
1 stop
BIO11:25 pmBilbao
Oct 3
BIO6:45 amBilbao
20h 26m
2 stops
ORD8:11 pmChicago O'Hare Intl
$590
Find similar
United Airlines
Sep 30
ORD10:30 pmChicago O'Hare Intl
17h 20m
1 stop
BIO10:50 pmBilbao
Oct 10
BIO6:45 amBilbao
20h 37m
2 stops
ORD8:22 pmChicago O'Hare Intl
$593
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 August 6, 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

Tue 9/23

10:40 am-11:55 am

2 stops18h 15m

Bilbao

Tue 10/7

9:05 pm-2:55 pm

3 stops24h 50m

$514

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 9/23

8:40 am-4:00 pm

3 stops24h 20m

Bilbao

Tue 10/7

9:05 pm-2:55 pm

3 stops24h 50m

$521

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 9/23

2:20 pm-10:45 am

1 stop13h 25m

Bilbao

Fri 10/3

6:45 am-8:11 pm

2 stops20h 26m

$573

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 10/7

7:50 pm-5:25 pm

1 stop38h 35m

Bilbao

Mon 10/20

12:05 pm-10:00 pm

1 stop16h 55m

$579

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sat 9/13

11:45 pm-11:05 am

1 stop28h 20m

Bilbao

Wed 9/17

6:25 pm-9:40 am

1 stop22h 15m

$583

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 9/28

4:30 pm-8:50 pm

1 stop21h 20m

Bilbao

Wed 10/15

1:30 pm-6:50 pm

1 stop12h 20m

$589

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Sun 9/21

9:40 pm-11:25 pm

1 stop18h 45m

Bilbao

Fri 10/3

6:45 am-8:11 pm

2 stops20h 26m

$590

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Sun 9/28

1:30 pm-1:25 pm

2 stops16h 55m

Bilbao

Thu 10/9

6:45 am-7:57 pm

2 stops20h 12m

$593

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Mon 9/29

8:40 am-4:05 pm

2 stops24h 25m

Bilbao

Tue 10/14

6:45 am-8:22 pm

2 stops20h 37m

$595

ChicagoBilbao

ORD - BIO

ORDBIO

Chicago O'Hare Intl

Tue 9/23

4:30 pm-12:45 pm

1 stop13h 15m

Bilbao

Wed 10/1

9:15 am-7:33 pm

2 stops17h 18m

$599

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 17% 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

Best Price Found

$313

Fastest flight time

12h 00m

Direct flights

None

Airports in Bilbao

1 airport
The best one-way flight to Bilbao from Illinois in the past 72 hours is $313. The best round-trip flight deal from Illinois to Bilbao found on momondo in the last 72 hours is $514.
The fastest flight from Illinois to Bilbao takes 12h 00m
There are no direct flights from Illinois to Bilbao. Popular non-direct routes for this connection are Chicago Midway Airport - Bilbao Airport, Chicago O'Hare Intl Airport - Bilbao Airport and Lambert-St Louis Airport - Bilbao Airport.
There is 1 airport near Bilbao: Bilbao (BIO)
Search flight deals

  • 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
8,917 reviews
Search United Airlines flights
IberiaPriceFrom $640Free CancellationRating
7.0
2,865 reviews
Search Iberia flights
LufthansaPriceFrom $646Free CancellationRating
6.8
7,289 reviews
Search Lufthansa flights
KLMPriceFrom $810Free CancellationRating
7.8
1,381 reviews
Search KLM 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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