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Cheap flights from Europe to Illinois from $329

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Europe to Illinois departing on 4/26. 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

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Find the cheapest flights from Europe to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
10:25 pm - 4:00 pm
MAD
-
ORD
24h 35m
1 stop
TAP AIR PORTUGAL Logo
6:00 pm - 12:20 am
ORD
-
MAD
23h 20m
1 stop
$523TAP AIR PORTUGAL
Thu, Apr 30 - Sun, May 3
Scandinavian Airlines Logo
12:50 pm - 4:10 pm
MAD
-
ORD
34h 20m
1 stop
Scandinavian Airlines Logo
7:15 pm - 6:55 pm
ORD
-
MAD
16h 40m
1 stop
$524Scandinavian Airlines
Wed, May 20 - Wed, May 27
TAP AIR PORTUGAL Logo
7:40 am - 4:00 pm
MAD
-
ORD
15h 20m
1 stop
TAP AIR PORTUGAL Logo
6:00 pm - 12:20 am
ORD
-
MAD
23h 20m
1 stop
$535TAP AIR PORTUGAL
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
11:15 am - 6:44 pm
MAD
-
ORD
14h 29m
1 stop
United Airlines Logo
2:40 pm - 9:00 am
ORD
-
MAD
11h 20m
1 stop
$557United Airlines
Tue, Apr 28 - Tue, May 5
LOT Logo
12:00 pm - 3:10 pm
WAW
-
ORD
10h 10mnonstop
LOT Logo
9:50 pm - 1:55 pm
ORD
-
WAW
9h 05mnonstop
$601LOT
Sat, Apr 11 - Sat, Apr 25
Lufthansa Logo
6:50 am - 12:55 pm
WAW
-
ORD
13h 05m
1 stop
Lufthansa Logo
6:00 pm - 4:20 pm
ORD
-
WAW
15h 20m
1 stop
$603Lufthansa
Tue, Jun 23 - Tue, Jul 7
LOT Logo
12:00 pm - 3:10 pm
WAW
-
ORD
10h 10mnonstop
LOT Logo
9:50 pm - 1:55 pm
ORD
-
WAW
9h 05mnonstop
$609LOT
Sat, Apr 11 - Sat, Apr 25
Lufthansa Logo
12:35 pm - 4:05 pm
ATH
-
ORD
11h 30mnonstop
Lufthansa Logo
4:10 pm - 10:35 am
ORD
-
ATH
10h 25mnonstop
$633Lufthansa
Thu, Apr 16 - Thu, Apr 30
United Airlines Logo
6:35 am - 2:50 pm
ATH
-
ORD
16h 15m
1 stop
United Airlines Logo
10:40 am - 10:00 am
ORD
-
ATH
15h 20m
2 stops
$638United Airlines
Thu, Apr 16 - Thu, Apr 30
Turkish Airlines Logo
3:55 am - 9:40 am
ATH
-
ORD
13h 45m
1 stop
Turkish Airlines Logo
8:10 pm - 3:05 am
ORD
-
ATH
22h 55m
1 stop
$647Turkish Airlines
Thu, Apr 9 - Thu, Apr 16

Icelandair flights from Europe to Illinois

Our best Icelandair deals on Europe to Illinois flight tickets
Icelandair
Apr 7
FRA5:10 pmFrankfurt am Main
32h 05m
1 stop
ORD6:15 pmChicago O'Hare Intl
Apr 25
ORD7:25 pmChicago O'Hare Intl
13h 55m
1 stop
FRA4:20 pmFrankfurt am Main
$562
Icelandair
Apr 7
FRA5:10 pmFrankfurt am Main
32h 05m
1 stop
ORD6:15 pmChicago O'Hare Intl
Apr 26
ORD10:25 pmChicago O'Hare Intl
31h 35m
1 stop
FRA1:00 pmFrankfurt am Main
$563
Icelandair
Apr 22
FRA2:00 pmFrankfurt am Main
11h 15m
1 stop
ORD6:15 pmChicago O'Hare Intl
Apr 29
ORD7:25 pmChicago O'Hare Intl
13h 55m
1 stop
FRA4:20 pmFrankfurt am Main
$571

United Airlines flights from Europe to Illinois

Our best United Airlines deals on Europe to Illinois flight tickets
United Airlines
Apr 28
MAD11:15 amMadrid Barajas
14h 29m
1 stop
ORD6:44 pmChicago O'Hare Intl
May 5
ORD2:40 pmChicago O'Hare Intl
11h 20m
1 stop
MAD9:00 amMadrid Barajas
$557
United Airlines
Apr 1
MAD10:50 amMadrid Barajas
14h 40m
1 stop
ORD6:30 pmChicago O'Hare Intl
Apr 9
ORD2:25 pmChicago O'Hare Intl
10h 40m
1 stop
MAD8:05 amMadrid Barajas
$577
United Airlines
Apr 1
MAD8:25 amMadrid Barajas
18h 30m
1 stop
ORD7:55 pmChicago O'Hare Intl
Apr 5
ORD2:25 pmChicago O'Hare Intl
10h 40m
1 stop
MAD8:05 amMadrid Barajas
$616

momondo Fare Finder

 
Customize your flight search to find flights from Europe to Illinois 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 March 21, 2026.
Use the filters below to find and compare flights from Europe to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MadridChicago

MAD - ORD

MADORD

Madrid Barajas

Thu 4/30

10:25 pm-4:00 pm

1 stop24h 35m

Chicago O'Hare Intl

Sun 5/3

6:00 pm-12:20 am

1 stop23h 20m

$523

MadridChicago

MAD - ORD

MADORD

Madrid Barajas

Wed 5/20

12:50 pm-4:10 pm

1 stop34h 20m

Chicago O'Hare Intl

Wed 5/27

7:15 pm-6:55 pm

1 stop16h 40m

$524

MadridChicago

MAD - ORD

MADORD

Madrid Barajas

Wed 4/15

7:40 am-4:00 pm

1 stop15h 20m

Chicago O'Hare Intl

Wed 4/22

6:00 pm-12:20 am

1 stop23h 20m

$535

MadridChicago

MAD - ORD

MADORD

Madrid Barajas

Tue 4/28

11:15 am-6:44 pm

1 stop14h 29m

Chicago O'Hare Intl

Tue 5/5

2:40 pm-9:00 am

1 stop11h 20m

$557
Quickest round-trip

WarsawChicago

WAW - ORD

WAWORD

Warsaw Frederic Chopin

Sat 4/11

12:00 pm-3:10 pm

Nonstop10h 10m

Chicago O'Hare Intl

Sat 4/25

9:50 pm-1:55 pm

Nonstop9h 05m

$601

WarsawChicago

WAW - ORD

WAWORD

Warsaw Frederic Chopin

Tue 6/23

6:50 am-12:55 pm

1 stop13h 05m

Chicago O'Hare Intl

Tue 7/7

6:00 pm-4:20 pm

1 stop15h 20m

$603

WarsawChicago

WAW - ORD

WAWORD

Warsaw Frederic Chopin

Sat 4/11

12:00 pm-3:10 pm

Nonstop10h 10m

Chicago O'Hare Intl

Sat 4/25

9:50 pm-1:55 pm

Nonstop9h 05m

$609

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 4/16

12:35 pm-4:05 pm

Nonstop11h 30m

Chicago O'Hare Intl

Thu 4/30

4:10 pm-10:35 am

Nonstop10h 25m

$633

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 4/16

6:35 am-2:50 pm

1 stop16h 15m

Chicago O'Hare Intl

Thu 4/30

10:40 am-10:00 am

2 stops15h 20m

$638

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 4/9

3:55 am-9:40 am

1 stop13h 45m

Chicago O'Hare Intl

Thu 4/16

8:10 pm-3:05 am

1 stop22h 55m

$647

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 Illinois from

How to get the cheapest flight ticket from Europe 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

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Europe is in September. Flight prices, which tend to average around $577, 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 September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $580.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Europe to Illinois is on a Wednesday when prices can be found for as low as $593. Flights from Europe to Illinois on a Friday will generally be more expensive and average around $963. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Europe to Illinois during this time can be as low as $708. Flights in the afternoon are often more expensive with an average ticket price of $964.

What is the cheapest Europe to Illinois flight route?

Fly from Madrid Barajas to Chicago O'Hare Intl for the best Europe - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Europe when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $743 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Europe for as low as $621 on momondo.

What cabin class options are available on Europe to Illinois flights?

There are 4 cabin classes available to choose from on Europe to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Europe to Illinois flights?

You could potentially save up to 13% on your flight if you consider stops on a Europe to Illinois flight.

Cheap Europe to Illinois flight deals and tips

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

Best Price Found

$430

Fastest flight time

6h 40m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Europe in the past 72 hours is $430. The best round-trip flight deal from Europe to Illinois found on momondo in the last 72 hours is $646.
The fastest flight from Europe to Illinois takes 6h 40m
Direct flights go from Europe to Illinois every day.
There are 98 airports in Illinois. From Europe there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

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

    Prices for flights from Europe to Illinois are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Europe to Illinois.

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

    The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Europe to Illinois

Compare and see reviews for airlines that fly from Europe to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $446Free CancellationRating
7.2
1,481 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $453Free CancellationRating
6.7
7,807 reviews
Search British Airways flights
DeltaPriceFrom $466Free CancellationRating
7.9
8,314 reviews
Search Delta flights
IberiaPriceFrom $473Free CancellationRating
7.0
3,147 reviews
Search Iberia flights
United AirlinesPriceFrom $485Free CancellationRating
7.4
9,455 reviews
Search United Airlines flights
IcelandairPriceFrom $494Free CancellationRating
7.0
625 reviews
Search Icelandair flights
Austrian AirlinesPriceFrom $530Free CancellationRating
7.6
900 reviews
Search Austrian Airlines flights
Scandinavian AirlinesPriceFrom $533Free CancellationRating
7.3
1,720 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom $534Free CancellationRating
7.7
1,374 reviews
Search Finnair flights
American AirlinesPriceFrom $572Free CancellationRating
7.1
11,489 reviews
Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Europe.

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

Flights from Europe to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Europe to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Europe to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

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