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$247+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap 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 17, 2025.

Round-trip from

$533
(British Airways)

One-way from

$271
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$1,010

Good round-trip deal

$554 or less

Good one-way deal

$286 or less
From Illinois to Europe
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One-way flight from Illinois to Europe
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Highest demand for flights based on searches. 17% potential increase in price ($223 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Illinois to Europe.
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Price to beat on a one-way flight from Illinois to Europe.
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Find 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 17, 2025.

This oojo deal was found by Cheapflights users on 4/15. 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 11/268:25 pmORD - BCN
1 stop16h 55mTAP AIR PORTUGAL
Fri 12/56:45 amBCN - ORD
1 stop15h 45mTAP AIR PORTUGAL
Deal found 4/15$406
This Finnair deal was found by Cheapflights users on 4/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:45 pmORD - MAD
Nonstop8h 10mFinnair
Fri 11/1411:35 amMAD - ORD
Nonstop9h 55mFinnair
Deal found 4/15$453
This Finnair deal was found by Cheapflights users on 4/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/271:15 pmORD - MAD
1 stop10h 30mMultiple Airlines
Fri 11/1411:35 amMAD - ORD
Nonstop9h 55mMultiple Airlines
Deal found 4/15$457
This Justfly.com deal was found by Cheapflights users on 4/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:20 amORD - BCN
1 stop19h 30mAir Canada
Thu 12/412:15 pmBCN - ORD
1 stop15h 10mAir Canada
Deal found 4/15$458
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:00 pmORD - MAD
1 stop11h 50mAmerican Airlines
Wed 11/1211:35 amMAD - ORD
Nonstop9h 55mAmerican Airlines
Deal found 4/16$466
This United Airlines deal was found by Cheapflights users on 4/15. 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 11/269:35 pmORD - BCN
Nonstop8h 30mUnited Airlines
Fri 12/511:45 amBCN - ORD
1 stop15h 26mUnited Airlines
Deal found 4/15$469
This oojo deal was found by Cheapflights users on 4/16. 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 10/299:25 pmORD - MAD
1 stop19h 55mTAP AIR PORTUGAL
Tue 11/46:00 pmMAD - ORD
1 stop28h 30mTAP AIR PORTUGAL
Deal found 4/16$476
This oojo deal was found by Cheapflights users on 4/16. 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 9/227:15 pmORD - MAD
1 stop14h 05mBritish Airways
Mon 10/69:15 pmMAD - ORD
1 stop23h 35mBritish Airways
Deal found 4/16$489
This oojo deal was found by Cheapflights users on 4/16. 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 9/217:15 pmORD - FCO
2 stops17h 05mScandinavian Airlines
Mon 9/297:35 pmFCO - ORD
1 stop27h 35mScandinavian Airlines
Deal found 4/16$493
This Cheapflightsfares deal was found by Cheapflights users on 4/15. 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 10/2212:54 pmORD - MAD
1 stop12h 21mIberia
Wed 11/511:35 amMAD - ORD
Nonstop9h 55mIberia
Deal found 4/15$494
This SWISS deal was found by Cheapflights users on 4/15. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:05 pmORD - BCN
1 stop20h 55mSWISS
Wed 12/32:55 pmBCN - ORD
1 stop32h 20mSWISS
Deal found 4/15$494
This Air Canada deal was found by Cheapflights users on 4/16. 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 8/1310:56 amORD - DUB
2 stops14h 49mAir Canada
Sat 8/239:20 amDUB - ORD
1 stop11h 31mAir Canada
Deal found 4/16$501

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 17, 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

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Mon 9/22

7:15 pm-4:20 pm

1 stop14h 05m

Madrid Barajas

Mon 10/6

9:15 pm-1:50 pm

1 stop23h 35m

$489

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 8/13

10:56 am-7:45 am

2 stops14h 49m

Dublin

Sat 8/23

9:20 am-2:51 pm

1 stop11h 31m

$501

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 9/9

7:15 pm-6:15 pm

1 stop17h 00m

Dublin

Sun 9/21

7:15 pm-4:10 pm

2 stops26h 55m

$503

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Fri 10/3

6:00 pm-12:40 pm

1 stop11h 40m

Madrid Barajas

Thu 10/9

7:40 am-12:35 pm

1 stop11h 55m

$516

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Mon 9/22

10:40 am-7:50 am

1 stop14h 10m

Madrid Barajas

Mon 10/6

12:45 pm-9:07 pm

2 stops15h 22m

$525

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Sun 5/4

9:15 pm-5:15 pm

1 stop13h 00m

Barcelona-El Prat

Thu 5/22

10:45 am-1:30 pm

Nonstop9h 45m

$533

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 5/5

11:15 am-9:20 am

1 stop15h 05m

Barcelona-El Prat

Thu 5/15

11:35 am-6:48 pm

1 stop14h 13m

$543

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

Tue 5/6

5:05 pm-4:05 pm

2 stops16h 00m

Warsaw Frederic Chopin

Tue 5/20

6:05 am-3:00 pm

1 stop15h 55m

$557

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Fri 10/3

10:40 am-7:50 am

1 stop14h 10m

Madrid Barajas

Thu 10/9

6:20 am-2:50 pm

2 stops15h 30m

$559

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Mon 8/25

7:15 pm-12:10 pm

1 stop33h 55m

Madrid Barajas

Wed 9/3

12:55 pm-4:10 pm

1 stop34h 15m

$560

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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, November is the cheapest month in which you can book a flight from Illinois to Europe (average of $523). Flying from Illinois to Europe in June is currently the most expensive (average of $953). 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 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Europe as you normally would.

Rainfall in Europe by month

Plan your trip to Europe by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Europe ranges from 0.4 - 3.9 inches per month. December is typically the wettest month, when rainfall can reach 3.9 in. July is typically the driest time to visit Europe when rainfall is around 0.4 in.

Temperature in Europe by month

Plan your trip to Europe by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Europe, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Europe

Get insights into the airlines that provide service to Europe. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Europe. Reviews last updated April 17, 2025.
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,065 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,580 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $271. Users have also found prices from $277 and $373 on TAP AIR PORTUGAL and Scandinavian Airlines, 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, November is the cheapest month in which you can book a flight from Illinois to Europe (average of $523). Flying from Illinois to Europe in June is currently the most expensive (average of $953). 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$257Average$833FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$264Average$616FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$349Average$582FlexibilityNo cancel feeOn-time76%
FinnairCheapest$450Average$750FlexibilityNo cancel feeOn-time76%
DeltaCheapest$465Average$867FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$467Average$906FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$470Average$740FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$477Average$955FlexibilityNo cancel feeOn-time71%
KLMCheapest$477Average$841FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$488Average$735FlexibilityNo cancel feeOn-timeN/A

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