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$180+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
Mar 29 — Apr 51
Sun 3/29
Sun 4/5
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 February 27, 2026.

This oojo deal was found by Cheapflights users on 2/23. 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 4/207:15 pm
ORD
-
BCN
1 stop15h 55m
Scandinavian Airlines
Sun 4/267:00 pm
BCN
-
ORD
1 stop28h 10m
Scandinavian Airlines
Deal found 2/23$440
This oojo deal was found by Cheapflights users on 2/24. 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 3/89:25 pm
ORD
-
BCN
1 stop13h 50m
TAP AIR PORTUGAL
Wed 3/186:45 am
BCN
-
ORD
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 2/24$442
This FlightHub deal was found by Cheapflights users on 2/26. 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 4/277:15 pm
ORD
-
BCN
1 stop15h 55m
Scandinavian Airlines
Thu 4/307:00 pm
BCN
-
ORD
1 stop28h 10m
Scandinavian Airlines
Deal found 2/26$445
This FlightHub deal was found by Cheapflights users on 2/24. 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.
Tue 12/17:20 pm
ORD
-
WAW
1 stop31h 15m
Scandinavian Airlines
Sun 1/313:20 pm
WAW
-
ORD
1 stop32h 25m
Scandinavian Airlines
Deal found 2/24$448
This FlightHub deal was found by Cheapflights users on 2/23. 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 10/117:15 pm
ORD
-
DUB
1 stop34h 35m
Scandinavian Airlines
Sun 10/2510:55 am
DUB
-
ORD
2 stops35h 50m
Scandinavian Airlines
Deal found 2/23$449
This Mytrip deal was found by Cheapflights users on 2/24. 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.
Sun 4/126:00 pm
ORD
-
BCN
1 stop18h 20m
TAP AIR PORTUGAL
Tue 4/285:45 pm
BCN
-
ORD
1 stop29h 15m
TAP AIR PORTUGAL
Deal found 2/24$449
This FlightHub deal was found by Cheapflights users on 2/24. 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.
Tue 9/17:15 pm
ORD
-
DUB
2 stops33h 10m
Scandinavian Airlines
Sat 9/267:05 pm
DUB
-
ORD
1 stop27h 05m
Scandinavian Airlines
Deal found 2/24$450
This oojo deal was found by Cheapflights users on 2/25. 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 4/177:00 pm
BCN
-
ORD
1 stop28h 10m
Scandinavian Airlines
Deal found 2/25$450
This oojo deal was found by Cheapflights users on 2/24. 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 5/37:25 pm
ORD
-
DUB
1 stop11h 50m
Icelandair
Sun 5/1012:15 pm
DUB
-
ORD
1 stop15h 10m
Icelandair
Deal found 2/24$451
This Mytrip deal was found by Cheapflights users on 2/23. 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.
Sun 3/18:25 pm
ORD
-
BCN
1 stop20h 20m
TAP AIR PORTUGAL
Sat 3/712:35 pm
BCN
-
ORD
1 stop33h 10m
TAP AIR PORTUGAL
Deal found 2/23$451
This oojo deal was found by Cheapflights users on 2/23. 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 3/98:20 pm
ORD
-
WAW
1 stop12h 00m
Scandinavian Airlines
Sun 3/157:45 pm
WAW
-
ORD
1 stop28h 00m
Scandinavian Airlines
Deal found 2/23$451
This FlightHub deal was found by Cheapflights users on 2/27. 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 9/67:15 pm
ORD
-
DUB
1 stop34h 35m
Scandinavian Airlines
Wed 9/167:05 pm
DUB
-
ORD
1 stop27h 05m
Scandinavian Airlines
Deal found 2/27$452

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 February 27, 2026.

Round-trip from

$442
(oojo)

One-way from

$180
(Kissandfly.com)

Popular in

June

Cheapest in

February

Average price

$802

Good round-trip deal

$493 or less

Good one-way deal

$347 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 ($189 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 27, 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

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 8/17

5:00 pm-9:40 am

1 stop10h 40m

Dublin

Thu 8/27

10:30 am-6:15 pm

1 stop13h 45m

$477

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 5/4

8:50 am-7:55 am

1 stop17h 05m

Dublin

Wed 5/13

11:10 am-10:35 pm

2 stops17h 25m

$489

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Tue 4/7

1:00 pm-4:20 pm

2 stops20h 20m

Warsaw Frederic Chopin

Tue 4/21

6:50 am-10:53 am

2 stops35h 03m

$495

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Mon 3/30

5:40 pm-3:35 pm

2 stops14h 55m

Warsaw Frederic Chopin

Fri 4/10

6:00 am-6:02 pm

2 stops19h 02m

$499

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 3/30

7:15 pm-10:55 am

Nonstop8h 40m

Barcelona-El Prat

Tue 4/14

10:30 am-1:20 pm

Nonstop9h 50m

$511

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Wed 4/1

7:05 pm-9:25 am

1 stop31h 20m

Barcelona-El Prat

Thu 4/9

7:40 am-3:55 pm

1 stop15h 15m

$524

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 4/13

5:04 pm-2:50 pm

2 stops14h 46m

Barcelona-El Prat

Wed 4/29

6:20 am-4:18 pm

2 stops16h 58m

$524

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Tue 4/14

5:55 pm-5:15 pm

1 stop16h 20m

Warsaw Frederic Chopin

Tue 5/26

6:50 am-4:59 pm

2 stops17h 09m

$527

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Wed 4/8

7:05 pm-2:15 pm

1 stop12h 10m

Barcelona-El Prat

Mon 4/13

10:30 am-1:20 pm

Nonstop9h 50m

$528

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Mon 5/4

12:55 pm-12:35 pm

2 stops16h 40m

Warsaw Frederic Chopin

Tue 5/19

2:15 pm-10:01 pm

2 stops14h 46m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Showing 1-10 of 60 resultsSorted by cheapest first
1
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 $290). Flying from Illinois to Europe in June is currently the most expensive (average of $629). 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 February 27, 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 British Airways, Delta, and United Airlines fly from Illinois to Europe in about 10h 40m. The time it takes to get you to your destination can typically vary by up to 9h 40m. The distance from Illinois to Europe is about 3661 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 $290). Flying from Illinois to Europe in June is currently the most expensive (average of $629). 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 February 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$523FlexibilityNo cancel feeOn-time62%
DeltaCheapest$137Average$803FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$257Average$683FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$288Average$631FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$321Average$570FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$352Average$978FlexibilityNo cancel feeOn-time76%
FinnairCheapest$353Average$766FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$356Average$580FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$366Average$699FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$401Average$636FlexibilityNo cancel feeOn-time77%

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