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$224+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
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 May 21, 2026.

This Lufthansa deal was found by Cheapflights users on 5/19. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:50 pm
ORD
-
DUB
1 stop13h 20m
Lufthansa
Wed 12/29:10 am
DUB
-
ORD
1 stop16h 55m
Lufthansa
Deal found 5/19$511
This Orbitz deal was found by Cheapflights users on 5/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:40 pm
ORD
-
DUB
1 stop10h 05m
Air Canada
Wed 10/79:20 am
DUB
-
ORD
1 stop13h 38m
Air Canada
Deal found 5/20$513
This Lufthansa deal was found by Cheapflights users on 5/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:50 pm
ORD
-
DUB
1 stop13h 20m
Lufthansa
Fri 11/275:10 am
DUB
-
ORD
1 stop14h 00m
Lufthansa
Deal found 5/16$526
This KAYAK deal was found by Cheapflights users on 5/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:45 am
ORD
-
DUB
1 stop11h 25m
Aer Lingus
Sat 9/121:20 pm
DUB
-
ORD
1 stop12h 15m
Aer Lingus
Deal found 5/18$536
This Lufthansa deal was found by Cheapflights users on 5/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/114:20 pm
ORD
-
DUB
1 stop12h 40m
Lufthansa
Tue 12/225:10 am
DUB
-
ORD
1 stop20h 55m
Lufthansa
Deal found 5/20$537
This oojo deal was found by Cheapflights users on 5/20. 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 11/167:15 pm
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Thu 12/312:30 pm
DUB
-
ORD
1 stop34h 15m
Scandinavian Airlines
Deal found 5/20$551
This oojo deal was found by Cheapflights users on 5/20. 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.
Fri 11/67:15 pm
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Mon 11/912:30 pm
DUB
-
ORD
1 stop34h 15m
Scandinavian Airlines
Deal found 5/20$553
This oojo deal was found by Cheapflights users on 5/20. 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.
Wed 11/117:15 pm
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Wed 11/187:05 pm
DUB
-
ORD
1 stop27h 40m
Scandinavian Airlines
Deal found 5/20$561
This KAYAK deal was found by Cheapflights users on 5/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:45 am
ORD
-
DUB
1 stop11h 25m
Aer Lingus
Mon 9/141:20 pm
DUB
-
ORD
1 stop12h 28m
Aer Lingus
Deal found 5/18$563
This oojo deal was found by Cheapflights users on 5/20. 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.
Sun 10/258:15 pm
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Mon 11/212:30 pm
DUB
-
ORD
1 stop34h 15m
Scandinavian Airlines
Deal found 5/20$564
This oojo deal was found by Cheapflights users on 5/20. 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.
Fri 11/67:15 pm
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Sun 11/157:05 pm
DUB
-
ORD
1 stop27h 40m
Scandinavian Airlines
Deal found 5/20$565
This oojo deal was found by Cheapflights users on 5/20. 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.
Wed 10/147:15 pm
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Tue 10/2012:40 pm
DUB
-
ORD
1 stop33h 30m
Scandinavian Airlines
Deal found 5/20$566

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 May 21, 2026.

Round-trip from

$513
(Orbitz)

One-way from

$224
(KAYAK)

Popular in

June

Cheapest in

February

Average price

$1,182

Good round-trip deal

$733 or less

Good one-way deal

$437 or less
From Illinois to Europe
Search Deals
One-way flight from Illinois to Europe
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($228 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 May 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 May 21, 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

Sun 11/8

7:15 pm-7:35 pm

2 stops18h 20m

Dublin

Sat 11/14

10:10 am-4:45 pm

1 stop12h 35m

$602

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 10/28

5:00 am-7:30 am

1 stop21h 30m

Dublin

Wed 11/4

9:00 am-12:35 pm

2 stops33h 35m

$681

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 10/29

8:15 pm-6:10 pm

2 stops16h 55m

Dublin

Tue 11/3

11:30 am-4:45 pm

2 stops35h 15m

$686

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 9/16

7:15 pm-6:20 pm

1 stop17h 05m

Dublin

Wed 9/23

11:40 am-4:10 pm

2 stops34h 30m

$692

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 10/14

7:15 pm-6:20 pm

1 stop17h 05m

Dublin

Wed 10/21

11:40 am-4:10 pm

2 stops34h 30m

$723

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 9/21

7:15 pm-10:10 am

2 stops32h 55m

Dublin

Mon 9/28

7:50 pm-4:10 pm

2 stops26h 20m

$727
Quickest round-trip

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 9/2

2:01 pm-7:45 am

1 stop11h 44m

Dublin

Tue 9/8

11:35 am-1:40 pm

Nonstop8h 05m

$749

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 9/19

7:15 pm-6:25 pm

2 stops17h 10m

Dublin

Sun 10/4

7:15 pm-4:10 pm

2 stops26h 55m

$750

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 8/9

7:10 am-11:10 am

1 stop22h 00m

Dublin

Fri 8/21

9:20 am-12:00 pm

2 stops32h 40m

$752

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

Mon 8/24

9:40 pm-1:15 pm

Nonstop8h 35m

Barcelona-El Prat

Mon 9/14

1:50 pm-12:55 pm

1 stop30h 05m

$752

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

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, February is the cheapest month in which you can book a flight from Illinois to Europe (average of $583). Flying from Illinois to Europe in June is currently the most expensive (average of $1,091). 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 May 21, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 58% on flights from Illinois to Europe by exploring options for tickets in the evening.

How far ahead should I book a flight from Illinois to Europe?

The price you pay for your flight from Illinois to Europe may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 May 16, 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 Scandinavian Airlines, United Airlines, and TAP AIR PORTUGAL fly from Illinois to Europe in about 13h. The time it takes to get you to your destination can typically vary by up to 8h 30m. The distance from Illinois to Europe is about 4405 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, February is the cheapest month in which you can book a flight from Illinois to Europe (average of $583). Flying from Illinois to Europe in June is currently the most expensive (average of $1,091). 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 May 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$488FlexibilityNo cancel feeOn-time62%
SWISSCheapest$300Average$736FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$321Average$597FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$352Average$988FlexibilityNo cancel feeOn-time76%
FinnairCheapest$353Average$794FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$356Average$584FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$366Average$672FlexibilityNo cancel feeOn-time67%
DeltaCheapest$393Average$861FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$401Average$648FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$440Average$773FlexibilityNo cancel feeOn-timeN/A

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