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$190+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
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 December 21, 2025.

This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:50 pmORD - MAD
1 stop12h 10mUnited Airlines
Thu 1/156:00 amMAD - ORD
1 stop16h 20mUnited Airlines
Deal found 12/19$478
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:20 pmORD - MAD
1 stop18h 50mDelta
Tue 1/131:05 pmMAD - ORD
1 stop32h 15mDelta
Deal found 12/19$481
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:35 amORD - MAD
2 stops18h 25mDelta
Wed 1/146:00 amMAD - ORD
1 stop15h 20mDelta
Deal found 12/19$486
This oojo deal was found by Cheapflights users on 12/20. 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 12/296:37 pmORD - MAD
1 stop28h 08mBritish Airways
Wed 1/2812:40 pmMAD - ORD
1 stop18h 04mBritish Airways
Deal found 12/20$492
This KAYAK deal was found by Cheapflights users on 12/20. 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 12/316:30 pmORD - BCN
1 stop12h 05mIcelandair
Fri 1/2311:50 amBCN - ORD
1 stop12h 30mIcelandair
Deal found 12/20$495
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:20 pmORD - MAD
1 stop18h 50mDelta
Mon 1/1212:35 pmMAD - ORD
1 stop33h 35mDelta
Deal found 12/19$500
This Air Canada deal was found by Cheapflights users on 12/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:51 amORD - MAD
2 stops16h 09mAir Canada
Wed 1/148:30 amMAD - ORD
2 stops37h 25mAir Canada
Deal found 12/19$506
This Cheapflightsfares deal was found by Cheapflights users on 12/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:10 pmORD - FCO
1 stop20h 15mSWISS
Tue 1/138:20 amFCO - ORD
1 stop15h 00mSWISS
Deal found 12/18$510
This Cheapflightsfares deal was found by Cheapflights users on 12/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:40 pmORD - MAD
Nonstop8h 10mFinnair
Sun 1/1812:00 pmMAD - ORD
Nonstop9h 55mFinnair
Deal found 12/21$515
This CrystalTravel deal was found by Cheapflights users on 12/19. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:30 pmORD - DUB
1 stop9h 45mIcelandair
Fri 1/2311:30 amDUB - ORD
1 stop11h 50mIcelandair
Deal found 12/19$515
This Cheapflightsfares deal was found by Cheapflights users on 12/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:45 pmORD - CDG
Nonstop8h 10mLufthansa
Wed 1/146:15 amCDG - ORD
1 stop16h 05mLufthansa
Deal found 12/19$518
This Cheapflightsfares deal was found by Cheapflights users on 12/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 pmORD - MAD
1 stop16h 50mLufthansa
Sat 1/246:00 amMAD - ORD
2 stops19h 33mLufthansa
Deal found 12/18$519

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 December 21, 2025.

Round-trip from

$411
(Trip.com)

One-way from

$190
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,179

Good round-trip deal

$436 or less

Good one-way deal

$218 or less
From Illinois to Europe
Search Deals
One-way flight from Illinois to Europe
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($169 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 21, 2025.
Use the filters below to find and compare flights from Illinois to Europe that are best for you.

Fly from

Illinois

Fly to

Europe

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 1/17

7:20 pm-11:45 am

2 stops34h 25m

Dublin

Sat 1/24

10:10 am-4:45 pm

1 stop12h 35m

$436

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 2/4

7:10 pm-11:20 pm

1 stop22h 10m

Dublin

Tue 2/10

4:55 pm-3:00 pm

1 stop28h 05m

$439

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 1/19

5:10 pm-9:50 am

1 stop10h 40m

Dublin

Mon 2/2

8:40 pm-1:50 pm

1 stop23h 10m

$445

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 1/28

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

Wed 2/4

9:00 am-6:55 pm

2 stops15h 55m

$465

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 2/6

7:20 pm-11:20 am

2 stops34h 00m

Dublin

Tue 2/10

11:30 am-4:45 pm

2 stops35h 15m

$465

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 2/22

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

Wed 3/4

9:00 am-3:10 pm

1 stop12h 10m

$465

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 2/24

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

Fri 3/6

9:00 am-5:48 pm

1 stop14h 48m

$465

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 1/27

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

Wed 2/4

9:00 am-3:10 pm

1 stop12h 10m

$465

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 2/4

7:20 pm-10:45 am

2 stops33h 25m

Dublin

Tue 2/10

11:30 am-4:45 pm

2 stops35h 15m

$467

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 2/4

7:20 pm-10:45 am

2 stops33h 25m

Dublin

Wed 2/11

11:30 am-4:45 pm

2 stops35h 15m

$467

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 60 results
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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 $289). Flying from Illinois to Europe in June is currently the most expensive (average of $641). 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 December 21, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 33% 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 December 16, 2024.

Travelers seeking maximum savings on their Illinois to Europe flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon 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 Scandinavian Airlines, TAP AIR PORTUGAL, and British Airways 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 23h 45m. 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 JetBlue. According to our data, you can fly for as low as $135. 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 $289). Flying from Illinois to Europe in June is currently the most expensive (average of $641). 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

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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 December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$579FlexibilityNo cancel feeOn-time62%
DeltaCheapest$137Average$828FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$257Average$709FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$331Average$570FlexibilityNo cancel feeOn-time77%
FinnairCheapest$354Average$765FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$365Average$592FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$366Average$711FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$401Average$670FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$441Average$988FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$474Average$791FlexibilityNo cancel feeOn-timeN/A

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