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$299+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
May 11 — May 181
Mon 5/11
Mon 5/18
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 April 11, 2026.

This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:25 am
ORD
-
BCN
1 stop16h 20m
Turkish Airlines
Wed 5/67:40 am
BCN
-
ORD
1 stop17h 35m
Turkish Airlines
Deal found 4/6$522
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:10 pm
ORD
-
BCN
1 stop20h 05m
Turkish Airlines
Wed 5/67:40 am
BCN
-
ORD
1 stop33h 00m
Turkish Airlines
Deal found 4/6$525
This oojo deal was found by Cheapflights users on 4/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:10 pm
ORD
-
MAD
1 stop14h 00m
TAP AIR PORTUGAL
Sun 11/157:40 am
MAD
-
ORD
1 stop14h 20m
TAP AIR PORTUGAL
Deal found 4/6$529
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:15 pm
ORD
-
MAD
1 stop13h 55m
TAP AIR PORTUGAL
Sun 11/157:40 am
MAD
-
ORD
1 stop14h 20m
TAP AIR PORTUGAL
Deal found 4/8$532
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:10 pm
ORD
-
MAD
1 stop10h 55m
TAP AIR PORTUGAL
Wed 11/187:40 am
MAD
-
ORD
1 stop14h 20m
TAP AIR PORTUGAL
Deal found 4/7$533
This oojo deal was found by Cheapflights users on 4/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:15 pm
ORD
-
BCN
1 stop14h 00m
TAP AIR PORTUGAL
Sat 11/146:05 pm
BCN
-
ORD
1 stop27h 55m
TAP AIR PORTUGAL
Deal found 4/6$534
This Super.com deal was found by Cheapflights users on 4/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 pm
ORD
-
MAD
1 stop18h 10m
TAP AIR PORTUGAL
Wed 5/67:40 am
MAD
-
ORD
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 4/6$535
This Super.com deal was found by Cheapflights users on 4/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sat 11/710:10 am
DUB
-
ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 4/10$537
This KAYAK deal was found by Cheapflights users on 4/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 pm
ORD
-
MAD
1 stop15h 10m
TAP AIR PORTUGAL
Wed 11/187:40 am
MAD
-
ORD
1 stop14h 20m
TAP AIR PORTUGAL
Deal found 4/7$543
This oojo deal was found by Cheapflights users on 4/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sat 11/1410:10 am
DUB
-
ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 4/6$544
This eDestinos deal was found by Cheapflights users on 4/10. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:20 pm
ORD
-
MAD
1 stop20h 10m
Turkish Airlines
Wed 11/255:55 pm
MAD
-
ORD
1 stop23h 10m
Turkish Airlines
Deal found 4/10$546
This oojo deal was found by Cheapflights users on 4/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:10 pm
ORD
-
WAW
1 stop30h 00m
Turkish Airlines
Wed 9/167:20 pm
WAW
-
ORD
1 stop21h 20m
Turkish Airlines
Deal found 4/6$547

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 April 11, 2026.

Round-trip from

$522
(FlightHub)

One-way from

$299
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$892

Good round-trip deal

$610 or less

Good one-way deal

$363 or less
From Illinois to Europe
Search Deals
One-way flight from Illinois to Europe
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($199 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 11, 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

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 9/18

11:25 am-3:40 pm

1 stop22h 15m

Dublin

Wed 9/23

5:05 pm-9:40 am

1 stop22h 35m

$626

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Tue 9/1

7:15 pm-2:25 pm

1 stop12h 10m

Warsaw Frederic Chopin

Fri 9/11

10:15 am-10:06 pm

2 stops18h 51m

$695

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Fri 9/11

7:15 pm-7:05 pm

1 stop16h 50m

Warsaw Frederic Chopin

Wed 9/23

10:15 am-10:06 pm

2 stops18h 51m

$698

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Wed 9/23

6:10 pm-4:45 pm

2 stops15h 35m

Madrid Barajas

Wed 9/30

6:00 am-2:30 pm

1 stop15h 30m

$718

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Tue 5/5

9:40 pm-1:15 pm

Nonstop8h 35m

Barcelona-El Prat

Thu 5/14

3:15 pm-5:45 pm

Nonstop9h 30m

$729

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Tue 5/12

11:48 am-11:00 am

2 stops16h 12m

Warsaw Frederic Chopin

Tue 6/9

8:55 am-7:33 pm

2 stops17h 38m

$740

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 9/1

3:00 pm-10:45 am

1 stop13h 45m

Dublin

Fri 9/11

5:55 am-2:15 pm

1 stop14h 20m

$748

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Tue 5/12

10:30 am-11:35 am

2 stops18h 05m

Warsaw Frederic Chopin

Wed 9/16

12:25 pm-10:06 pm

2 stops16h 41m

$748

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Sun 5/10

5:41 pm-4:25 pm

2 stops15h 44m

Barcelona-El Prat

Fri 5/22

9:20 am-2:15 pm

1 stop11h 55m

$749

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 9/1

9:50 am-8:15 am

1 stop16h 25m

Dublin

Fri 9/11

11:35 am-1:40 pm

Nonstop8h 05m

$755

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $622). 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 April 11, 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 April 4, 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 Turkish Airlines, Scandinavian Airlines, and Delta fly from Illinois to Europe in about 12h 10m. The time it takes to get you to your destination can typically vary by up to 10h 05m. The distance from Illinois to Europe is about 4669 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 Royal Jordanian. According to our data, you can fly for as low as $68. Users have also found prices from $126 and $130 on Ethiopian Air and Iberia, 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 $622). 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

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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 April 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$522FlexibilityNo cancel feeOn-time62%
DeltaCheapest$137Average$778FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$300Average$713FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$321Average$588FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$352Average$976FlexibilityNo cancel feeOn-time76%
FinnairCheapest$353Average$791FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$356Average$583FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$366Average$683FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$401Average$641FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$440Average$760FlexibilityNo cancel feeOn-timeN/A

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