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$175+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$324
(oojo)

One-way from

$175
(FlightHub)

Popular in

June

Cheapest in

January

Average price

$974

Good round-trip deal

$389 or less

Good one-way deal

$235 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. 14% potential increase in price ($180 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:00 pmORD - MAD
1 stop16h 20mTAP AIR PORTUGAL
Wed 10/2210:15 pmMAD - ORD
1 stop21h 20mTAP AIR PORTUGAL
Deal found 8/18$351
This oojo deal was found by Cheapflights users on 8/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:10 pmORD - MAD
1 stop11h 55mTAP AIR PORTUGAL
Wed 11/197:40 amMAD - ORD
1 stop14h 20mTAP AIR PORTUGAL
Deal found 8/18$356
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:00 pmORD - MAD
1 stop11h 40mTAP AIR PORTUGAL
Wed 10/14:20 pmMAD - ORD
1 stop27h 15mTAP AIR PORTUGAL
Deal found 8/19$359
This oojo deal was found by Cheapflights users on 8/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:20 pmORD - MAD
1 stop15h 25mScandinavian Airlines
Sun 12/286:35 pmMAD - ORD
1 stop29h 10mScandinavian Airlines
Deal found 8/18$365
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Fri 11/148:15 pmORD - MAD
1 stop20h 15mTAP AIR PORTUGAL
Tue 11/186:00 pmMAD - ORD
1 stop28h 00mTAP AIR PORTUGAL
Deal found 8/17$379
This oojo deal was found by Cheapflights users on 8/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:10 pmORD - MAD
1 stop21h 20mTAP AIR PORTUGAL
Thu 11/209:10 pmMAD - ORD
1 stop25h 05mTAP AIR PORTUGAL
Deal found 8/18$385
This oojo deal was found by Cheapflights users on 8/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:10 pmORD - MAD
1 stop18h 10mTAP AIR PORTUGAL
Tue 11/189:10 pmMAD - ORD
1 stop24h 50mTAP AIR PORTUGAL
Deal found 8/19$386
This oojo deal was found by Cheapflights users on 8/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:10 pmORD - MAD
1 stop15h 00mTAP AIR PORTUGAL
Tue 11/189:10 pmMAD - ORD
1 stop24h 50mTAP AIR PORTUGAL
Deal found 8/18$387
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:15 pmORD - MAD
1 stop13h 55mTAP AIR PORTUGAL
Tue 11/189:10 pmMAD - ORD
1 stop24h 50mTAP AIR PORTUGAL
Deal found 8/18$392
This Booking.com deal was found by Cheapflights users on 8/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:10 pmORD - MAD
1 stop15h 00mTAP AIR PORTUGAL
Thu 12/116:00 pmMAD - ORD
1 stop28h 15mTAP AIR PORTUGAL
Deal found 8/18$396
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:25 pmORD - MAD
1 stop13h 45mTAP AIR PORTUGAL
Wed 11/197:40 amMAD - ORD
1 stop14h 20mTAP AIR PORTUGAL
Deal found 8/18$400
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:30 pmORD - FCO
1 stop12h 30mIcelandair
Sun 12/1411:25 amFCO - ORD
1 stop12h 55mIcelandair
Deal found 8/19$440

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 August 20, 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

Sat 12/6

7:20 pm-5:45 pm

1 stop15h 25m

Madrid Barajas

Sun 12/28

6:35 pm-4:45 pm

1 stop29h 10m

$365

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Sun 1/25

7:10 pm-4:10 pm

1 stop14h 00m

Madrid Barajas

Sun 2/1

6:35 pm-4:45 pm

1 stop29h 10m

$399

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Sat 11/29

7:20 pm-5:45 pm

1 stop15h 25m

Madrid Barajas

Sun 12/7

6:35 pm-4:45 pm

1 stop29h 10m

$437

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Sat 1/24

7:20 pm-5:45 pm

1 stop15h 25m

Madrid Barajas

Sun 2/1

6:35 pm-4:45 pm

1 stop29h 10m

$437

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Sun 11/30

7:20 pm-4:10 pm

1 stop13h 50m

Madrid Barajas

Sat 12/6

6:35 pm-4:45 pm

1 stop29h 10m

$437

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Sat 11/29

7:20 pm-5:45 pm

1 stop15h 25m

Madrid Barajas

Sat 12/6

6:35 pm-4:45 pm

1 stop29h 10m

$437

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Wed 12/3

7:15 am-8:00 am

1 stop17h 45m

Madrid Barajas

Wed 12/10

1:35 pm-2:25 pm

2 stops31h 50m

$461

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Mon 1/12

10:35 am-8:00 am

1 stop14h 25m

Madrid Barajas

Tue 1/27

1:35 pm-1:17 pm

2 stops30h 42m

$461

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Wed 1/14

10:35 am-8:00 am

1 stop14h 25m

Madrid Barajas

Fri 1/30

1:35 pm-1:17 pm

2 stops30h 42m

$461

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

Wed 12/3

7:15 am-8:00 am

1 stop17h 45m

Madrid Barajas

Thu 12/11

1:35 pm-2:25 pm

2 stops31h 50m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

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, 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 $909). 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 August 20, 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.

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 Icelandair fly from Illinois to Europe in about 9h 45m. The time it takes to get you to your destination can typically vary by up to 5h 40m. The distance from Illinois to Europe is about 3661 mi. This flight may include one or multiple stops.

  • 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 $909). 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$602FlexibilityNo cancel feeOn-time62%
DeltaCheapest$208Average$803FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$257Average$732FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$333Average$576FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$348Average$592FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$366Average$721FlexibilityNo cancel feeOn-time67%
FinnairCheapest$371Average$751FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$400Average$971FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$401Average$833FlexibilityNo cancel feeOn-time77%
KLMCheapest$478Average$766FlexibilityNo cancel feeOn-time75%

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