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$209+ Cheap flights from Illinois to Europe

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap flight deals from Illinois to Europe

Cheapest flights from Illinois to Europe
Explore the most affordable flight options available from Illinois to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This Expedia deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:25 pm
ORD
-
BCN
1 stop12h 20m
Icelandair
Wed 4/293:45 pm
BCN
-
ORD
1 stop33h 30m
Icelandair
Deal found 3/6$444
This Priceline deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:25 pm
ORD
-
BCN
1 stop33h 20m
Icelandair
Wed 4/293:45 pm
BCN
-
ORD
1 stop33h 30m
Icelandair
Deal found 3/7$446
This Mytrip deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:15 pm
ORD
-
BCN
1 stop15h 55m
Scandinavian Airlines
Thu 5/712:25 pm
BCN
-
ORD
1 stop34h 45m
Scandinavian Airlines
Deal found 3/7$447
This oojo deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:15 pm
ORD
-
BCN
1 stop15h 55m
Scandinavian Airlines
Fri 4/175:55 pm
BCN
-
ORD
1 stop29h 15m
Scandinavian Airlines
Deal found 3/5$449
This oojo deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:15 pm
ORD
-
WAW
1 stop12h 10m
Scandinavian Airlines
Wed 5/610:15 am
WAW
-
ORD
1 stop12h 55m
Scandinavian Airlines
Deal found 3/5$452
This Gotogate deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:20 pm
ORD
-
DUB
1 stop34h 25m
Scandinavian Airlines
Fri 12/412:30 pm
DUB
-
ORD
1 stop34h 15m
Scandinavian Airlines
Deal found 3/6$454
This FlightHub deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:15 pm
ORD
-
BCN
1 stop15h 55m
Scandinavian Airlines
Sun 4/197:00 pm
BCN
-
ORD
1 stop28h 10m
Scandinavian Airlines
Deal found 3/9$454
This oojo deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:15 pm
ORD
-
WAW
1 stop31h 20m
Scandinavian Airlines
Wed 5/273:05 pm
WAW
-
ORD
1 stop32h 05m
Scandinavian Airlines
Deal found 3/7$455
This Gotogate deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:20 pm
ORD
-
DUB
2 stops33h 25m
Scandinavian Airlines
Sun 11/297:05 pm
DUB
-
ORD
1 stop27h 40m
Scandinavian Airlines
Deal found 3/6$456
This FlightHub deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:15 pm
ORD
-
BCN
1 stop15h 55m
Scandinavian Airlines
Sat 4/1810:45 am
BCN
-
ORD
2 stops60h 25m
Scandinavian Airlines
Deal found 3/9$456
This FlightHub deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/228:20 pm
ORD
-
WAW
1 stop16h 45m
Scandinavian Airlines
Sat 5/163:05 pm
WAW
-
ORD
1 stop32h 05m
Scandinavian Airlines
Deal found 3/8$456
This FlightHub deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:20 pm
ORD
-
WAW
1 stop12h 20m
Scandinavian Airlines
Sun 11/157:45 pm
WAW
-
ORD
1 stop28h 00m
Scandinavian Airlines
Deal found 3/7$457

Find flight deals from Illinois to Europe

Keep the following information in mind while searching for Illinois to Europe flight deals. Data was last updated March 10, 2026.

Round-trip from

$444
(Expedia)

One-way from

$209
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$910

Good round-trip deal

$547 or less

Good one-way deal

$332 or less
From Illinois to Europe
Search Deals
One-way flight from Illinois to Europe
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($179 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Europe.
Search Deals
Price to beat on a one-way flight from Illinois to Europe.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Europe 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, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from Illinois to Europe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Mon 4/13

4:50 pm-1:40 pm

1 stop13h 50m

Madrid Barajas

Tue 4/21

7:05 am-2:15 pm

1 stop14h 10m

$507

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Tue 5/5

6:50 am-5:40 pm

2 stops27h 50m

Madrid Barajas

Tue 5/19

7:45 pm-4:10 pm

1 stop27h 25m

$521

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Wed 4/8

11:48 am-11:00 am

2 stops16h 12m

Warsaw Frederic Chopin

Wed 4/22

8:55 am-5:50 pm

1 stop15h 55m

$530

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 9/5

9:40 pm-10:40 am

1 stop31h 00m

Dublin

Sun 9/13

9:20 am-7:44 am

2 stops28h 24m

$535

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 4/5

8:15 pm-9:45 am

Nonstop7h 30m

Dublin

Tue 4/14

11:35 am-1:40 pm

Nonstop8h 05m

$547

ChicagoParis

ORD - ORY

ORDORY

Chicago O'Hare Intl

Sun 4/19

6:00 pm-1:40 pm

1 stop12h 40m

Paris Orly

Thu 4/30

4:50 pm-4:00 pm

2 stops30h 10m

$560

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Wed 4/15

9:50 am-9:55 am

2 stops17h 05m

Madrid Barajas

Wed 4/29

12:45 pm-11:59 pm

1 stop18h 14m

$565

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Wed 4/8

10:30 pm-8:10 am

2 stops26h 40m

Warsaw Frederic Chopin

Wed 4/15

8:55 am-12:20 pm

2 stops34h 25m

$572

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 4/20

7:15 pm-10:55 am

Nonstop8h 40m

Barcelona-El Prat

Wed 4/29

10:30 am-1:20 pm

Nonstop9h 50m

$573
Quickest round-trip

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 5/9

10:25 pm-11:50 am

Nonstop7h 25m

Dublin

Fri 5/22

9:30 am-11:30 am

Nonstop8h 00m

$576

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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6

Best time to book a flight from Illinois to Europe

Have a flexible travel schedule? Discover the best time to fly to Europe from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Europe

What is the cheapest month to book a flight from Illinois to Europe?

Currently, September is the cheapest month in which you can book a flight from Illinois to Europe (average of $288). Flying from Illinois to Europe in June is currently the most expensive (average of $626). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to EU?

Find hourly flight availability from Illinois to Europe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 10, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 59% on flights from Illinois to Europe by exploring options for tickets in the evening.

What is the cheapest day to fly from Illinois to Europe?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Europe. Price data was last updated on February 21, 2026.

Travelers seeking maximum savings on their Illinois to Europe flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Europe. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Europe?

    Airlines like KLM, Scandinavian Airlines, and United Airlines fly from Illinois to Europe in about 13h 50m. The time it takes to get you to your destination can typically vary by up to 14h. The distance from Illinois to Europe is about 4188 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Europe one-way?

    For one-way options, check prices for Iberia. According to our data, you can fly for as low as $130. Users have also found prices from $155 and $165 on TAP AIR PORTUGAL and Icelandair, respectively.

  • Can I find deals for flights from Illinois to Europe that include hotel bookings?

    Yes. In addition to deals on Illinois to Europe flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Europe?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Europe.

  • Can I find deals for business class flights from Illinois to Europe?

    Yes. Cheapflights offers flight deals from Illinois to Europe by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Europe?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Europe (average of $288). Flying from Illinois to Europe in June is currently the most expensive (average of $626). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Europe

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to Europe

Discover the top 10 airlines that operate flights from Illinois to Europe. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$521FlexibilityNo cancel feeOn-time62%
DeltaCheapest$137Average$803FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$257Average$691FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$321Average$574FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$352Average$962FlexibilityNo cancel feeOn-time76%
FinnairCheapest$354Average$782FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$356Average$579FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$366Average$687FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$401Average$634FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$440Average$760FlexibilityNo cancel feeOn-timeN/A

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