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$283+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
may. 4 — may. 111
dom. 5/4
dom. 5/11
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 abril 29, 2025.

Round-trip from

$586
(United Airlines)

One-way from

$283
(CrystalTravel)

Popular in

June

Cheapest in

January

Average price

$1,018

Good round-trip deal

$544 or less

Good one-way deal

$301 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. 16% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($31 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 abril 29, 2025.

This FlightHub deal was found by Cheapflights users on 4/28. 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.
jue. 8/148:50 pmORD - BCN
1 stop21h 40mTAP AIR PORTUGAL
dom. 8/248:15 pmBCN - ORD
1 stop27h 25mTAP AIR PORTUGAL
Deal found 4/28$576
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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.
mar. 8/122:30 pmORD - BCN
1 stop11h 35mIberia
mié. 8/202:00 pmBCN - ORD
1 stop13h 17mIberia
Deal found 4/27$577
This FlightHub deal was found by Cheapflights users on 4/27. 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.
jue. 9/47:15 pmORD - BCN
1 stop15h 55mScandinavian Airlines
sáb. 9/137:00 pmBCN - ORD
1 stop28h 10mScandinavian Airlines
Deal found 4/27$578
This Air Canada deal was found by Cheapflights users on 4/27. 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.
mié. 10/17:10 amORD - BCN
2 stops17h 40mAir Canada
lun. 10/1312:10 pmBCN - ORD
2 stops14h 19mAir Canada
Deal found 4/27$580
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/112:24 pmORD - BCN
1 stop10h 56mUnited Airlines
mié. 12/2411:45 amBCN - ORD
1 stop13h 48mUnited Airlines
Deal found 4/26$581
This Lufthansa deal was found by Cheapflights users on 4/27. 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.
mié. 9/179:40 pmORD - BCN
1 stop13h 15mLufthansa
mié. 9/249:05 amBCN - ORD
2 stops17h 50mLufthansa
Deal found 4/27$582
This United deal was found by Cheapflights users on 4/26. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/103:35 pmORD - BCN
1 stop33h 15mMultiple Airlines
lun. 10/208:00 pmBCN - ORD
1 stop26h 55mMultiple Airlines
Deal found 4/26$583
This Delta deal was found by Cheapflights users on 4/27. 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.
mar. 9/168:30 amORD - BCN
1 stop14h 30mDelta
mar. 9/3011:05 amBCN - ORD
2 stops19h 48mDelta
Deal found 4/27$587
This StudentUniverse deal was found by Cheapflights users on 4/27. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/176:45 pmORD - BCN
Nonstop8h 45mFinnair
mié. 10/229:10 pmBCN - ORD
1 stop24h 05mFinnair
Deal found 4/27$588
This ITA Airways deal was found by Cheapflights users on 4/28. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/143:00 pmORD - BCN
1 stop12h 50mITA Airways
vie. 9/196:20 amBCN - ORD
1 stop13h 50mITA Airways
Deal found 4/28$589
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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.
mié. 9/310:35 pmORD - MAD
Nonstop7h 50mIberia
mié. 9/101:45 pmMAD - ORD
1 stop13h 32mIberia
Deal found 4/28$590
This KLM deal was found by Cheapflights users on 4/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/32:00 pmORD - BCN
1 stop14h 55mKLM
lun. 10/67:40 pmBCN - ORD
1 stop25h 30mKLM
Deal found 4/27$592

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 abril 29, 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

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

lun. 5/12

9:40 pm-1:15 pm

Nonstop8h 35m

Barcelona-El Prat

jue. 5/22

3:15 pm-6:00 pm

Nonstop9h 45m

$586

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

mié. 9/3

10:35 pm-1:25 pm

Nonstop7h 50m

Madrid Barajas

mié. 9/10

1:45 pm-8:17 pm

1 stop13h 32m

$590

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

sáb. 7/19

6:15 pm-7:25 pm

1 stop18h 10m

Barcelona-El Prat

mié. 8/6

10:40 pm-12:35 pm

1 stop20h 55m

$591

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

lun. 5/19

10:40 am-7:50 am

1 stop14h 10m

Barcelona-El Prat

mar. 8/19

12:10 pm-9:56 pm

2 stops16h 46m

$592

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

mié. 7/23

2:02 pm-12:30 pm

2 stops15h 28m

Warsaw Frederic Chopin

mié. 8/20

6:00 am-12:55 pm

2 stops13h 55m

$596

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

dom. 8/31

5:55 pm-8:05 am

1 stop31h 10m

Madrid Barajas

vie. 12/19

1:20 pm-10:39 am

1 stop28h 19m

$598

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 7/13

7:05 pm-5:50 pm

1 stop16h 45m

Dublin

dom. 7/20

1:00 pm-3:55 pm

1 stop32h 55m

$600

ChicagoWarsaw

ORD - WAW

ORDWAW

Chicago O'Hare Intl

lun. 7/14

2:00 pm-11:55 am

2 stops14h 55m

Warsaw Frederic Chopin

mar. 8/26

12:25 pm-10:10 pm

2 stops16h 45m

$601

ChicagoBarcelona

ORD - BCN

ORDBCN

Chicago O'Hare Intl

dom. 5/11

8:40 am-7:50 am

1 stop16h 10m

Barcelona-El Prat

lun. 5/19

2:55 pm-12:10 pm

1 stop28h 15m

$603

ChicagoMadrid

ORD - MAD

ORDMAD

Chicago O'Hare Intl

dom. 9/28

10:35 pm-1:25 pm

Nonstop7h 50m

Madrid Barajas

sáb. 10/4

7:10 pm-11:50 am

1 stop23h 40m

$605

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 abril 29, 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 abril 29, 2025.
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
1,333 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
1,069 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
1,273 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
1,587 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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 $283. Users have also found prices from $302 and $347 on TAP AIR PORTUGAL and Air Serbia, 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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$257Average$839FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$264Average$614FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$342Average$731FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$349Average$580FlexibilityNo cancel feeOn-time76%
FinnairCheapest$456Average$752FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$460Average$909FlexibilityNo cancel feeOn-time76%
DeltaCheapest$465Average$813FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$477Average$750FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$477Average$963FlexibilityNo cancel feeOn-time71%
KLMCheapest$477Average$751FlexibilityNo cancel feeOn-time75%

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