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$259+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
Jun 26 — Jul 31
Fri 6/26
Fri 7/3
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 27, 2026.

This Orbitz deal was found by Cheapflights users on 5/23. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:01 pm
ORD
-
DUB
1 stop11h 44m
Air Canada
Wed 9/239:20 am
DUB
-
ORD
1 stop11h 35m
Air Canada
Deal found 5/23$513
This Expedia deal was found by Cheapflights users on 5/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:15 pm
ORD
-
DUB
1 stop12h 00m
Air Canada
Wed 10/149:20 am
DUB
-
ORD
1 stop10h 45m
Air Canada
Deal found 5/24$518
This Orbitz deal was found by Cheapflights users on 5/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:01 pm
ORD
-
DUB
1 stop11h 44m
Air Canada
Sat 9/129:20 am
DUB
-
ORD
1 stop10h 45m
Air Canada
Deal found 5/24$527
This Lufthansa deal was found by Cheapflights users on 5/22. 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 9/1610:30 pm
ORD
-
DUB
1 stop12h 25m
Lufthansa
Wed 9/308:50 am
DUB
-
ORD
1 stop17h 05m
Lufthansa
Deal found 5/22$528
This oojo deal was found by Cheapflights users on 5/22. 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 5/22$561
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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 Cheapflightsfares 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 11/98:20 pm
DUB
-
ORD
2 stops26h 25m
Scandinavian Airlines
Deal found 5/26$570
This oojo deal was found by Cheapflights users on 5/22. 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 11/87:15 pm
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Fri 11/1312:30 pm
DUB
-
ORD
1 stop34h 15m
Scandinavian Airlines
Deal found 5/22$571
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:15 pm
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Sat 10/109:00 pm
DUB
-
ORD
2 stops25h 10m
Scandinavian Airlines
Deal found 5/26$574
This FlightHub deal was found by Cheapflights users on 5/26. 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.
Wed 10/147:15 pm
ORD
-
DUB
1 stop34h 35m
Scandinavian Airlines
Tue 10/2012:40 pm
DUB
-
ORD
1 stop33h 30m
Scandinavian Airlines
Deal found 5/26$575
This Lufthansa deal was found by Cheapflights users on 5/23. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:20 pm
ORD
-
DUB
Nonstop7h 25m
Lufthansa
Fri 9/1111:35 am
DUB
-
ORD
Nonstop8h 05m
Lufthansa
Deal found 5/23$577
This KAYAK deal was found by Cheapflights users on 5/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:09 am
ORD
-
DUB
1 stop15h 01m
Aer Lingus
Sun 9/131:20 pm
DUB
-
ORD
1 stop12h 28m
Aer Lingus
Deal found 5/23$580
This KAYAK deal was found by Cheapflights users on 5/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:45 am
ORD
-
DUB
1 stop13h 25m
Aer Lingus
Sat 9/191:20 pm
DUB
-
ORD
1 stop12h 28m
Aer Lingus
Deal found 5/23$583

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 27, 2026.

Round-trip from

$513
(Orbitz)

One-way from

$259
(KAYAK)

Popular in

June

Cheapest in

February

Average price

$1,182

Good round-trip deal

$742 or less

Good one-way deal

$431 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 ($226 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($36 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 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

Cheapest round-trip

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 10/10

7:15 pm-6:25 pm

2 stops17h 10m

Dublin

Sat 10/17

8:00 pm-4:10 pm

2 stops26h 10m

$614

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 8/17

7:15 pm-10:10 am

2 stops32h 55m

Dublin

Mon 8/24

7:50 pm-4:10 pm

2 stops26h 20m

$657

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 10/25

8:15 pm-6:20 pm

1 stop17h 05m

Dublin

Wed 11/4

11:30 am-4:45 pm

2 stops35h 15m

$672

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

Sun 8/23

7:15 pm-10:10 am

2 stops32h 55m

Dublin

Wed 9/2

11:40 am-4:10 pm

2 stops34h 30m

$696

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 9/2

3:40 pm-7:45 am

1 stop10h 05m

Dublin

Thu 9/10

11:35 am-1:40 pm

Nonstop8h 05m

$700

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 9/5

8:20 pm-9:45 am

Nonstop7h 25m

Dublin

Fri 9/18

9:20 am-7:48 pm

1 stop16h 28m

$744

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 8/4

7:05 pm-12:05 pm

1 stop11h 00m

Dublin

Tue 8/18

8:25 pm-1:50 pm

1 stop23h 25m

$763
Quickest round-trip

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 8/12

8:20 pm-9:45 am

Nonstop7h 25m

Dublin

Thu 8/20

11:35 am-1:40 pm

Nonstop8h 05m

$763

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 8/10

9:15 pm-2:30 pm

1 stop11h 15m

Dublin

Tue 8/18

8:25 pm-1:50 pm

1 stop23h 25m

$763

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/26

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Illinois to Europe (average of $582). Flying from Illinois to Europe in June is currently the most expensive (average of $1,085). 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 27, 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 66 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 23, 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 Austrian Airlines fly from Illinois to Europe in about 8h 35m. The time it takes to get you to your destination can typically vary by up to 11h 33m. 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 $135 on Ethiopian Air and JetBlue, 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 $582). Flying from Illinois to Europe in June is currently the most expensive (average of $1,085). 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 May 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$449FlexibilityNo cancel feeOn-time62%
SWISSCheapest$300Average$713FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$321Average$597FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$352Average$987FlexibilityNo cancel feeOn-time76%
FinnairCheapest$353Average$795FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$356Average$585FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$366Average$679FlexibilityNo cancel feeOn-time67%
DeltaCheapest$393Average$887FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$440Average$774FlexibilityNo cancel feeOn-timeN/A
LOTCheapest$462Average$1,069FlexibilityNo cancel feeOn-time81%

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