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$486+ Cheap flights from Greece to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
4月 6 — 4月 131
週日 4/6
週日 4/13
1 adult, Economy
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Cheap flight deals from Greece to Illinois

Keep the following information in mind while searching for Greece to Illinois flight deals. Data was last updated 4月 1, 2025.

Round-trip from

$486
(KLM)

Popular in

October

Cheapest in

November

Average price

$582

Good round-trip deal

$571 or less

Good one-way deal

$572 or less
From Greece to Illinois
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Highest demand for flights based on searches. 7% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 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 Greece to Illinois.
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Price to beat on a one-way flight from Greece to Illinois.
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Find flight deals from Greece to Illinois

Cheapest flights from Greece to Illinois
Explore the most affordable flight options available from Greece to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4月 1, 2025.

This KLM deal was found by Cheapflights users on 3/31. 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.
週五 4/1811:35 pmSKG - ORD
1 stop22h 35mKLM
週五 5/24:20 pmORD - SKG
1 stop12h 35mKLM
Deal found 3/31$486
This KLM deal was found by Cheapflights users on 3/31. 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.
週三 4/235:25 pmATH - ORD
1 stop28h 45mKLM
週六 5/313:59 pmORD - ATH
1 stop13h 21mKLM
Deal found 3/31$495
This British Airways deal was found by Cheapflights users on 3/31. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 5/28:50 pmATH - ORD
1 stop25h 55mBritish Airways
週四 5/1510:25 pmORD - ATH
1 stop13h 35mBritish Airways
Deal found 3/31$496
This American Airlines deal was found by Cheapflights users on 3/31. 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.
週五 5/21:00 pmATH - ORD
2 stops18h 49mAmerican Airlines
週日 5/1810:25 pmORD - ATH
1 stop13h 30mAmerican Airlines
Deal found 3/31$497
This Delta deal was found by Cheapflights users on 3/31. 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.
週四 4/176:00 amATH - MDW
2 stops20h 20mDelta
週一 4/219:20 amMDW - ATH
2 stops17h 35mDelta
Deal found 3/31$498
This Delta deal was found by Cheapflights users on 3/31. 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.
週四 5/296:00 amATH - ORD
2 stops20h 37mDelta
週六 6/710:31 amORD - ATH
1 stop18h 49mDelta
Deal found 3/31$499
This KLM deal was found by Cheapflights users on 3/31. 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.
週四 4/1710:30 amATH - MDW
1 stop19h 52mKLM
週一 4/219:52 amMDW - ATH
1 stop17h 03mKLM
Deal found 3/31$500
This oojo deal was found by Cheapflights users on 3/31. 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.
週一 9/17:40 pmATH - ORD
1 stop28h 30mScandinavian Airlines
週日 12/147:30 pmORD - ATH
1 stop33h 40mScandinavian Airlines
Deal found 3/31$524
This Iberia deal was found by Cheapflights users on 3/31. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 5/21:00 pmATH - ORD
1 stop15h 01mIberia
週日 5/184:50 pmORD - ATH
Nonstop10h 20mIberia
Deal found 3/31$533
This Iberia deal was found by Cheapflights users on 3/31. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週六 5/108:15 amATH - ORD
1 stop18h 00mMultiple Airlines
週六 5/1711:45 amORD - ATH
1 stop14h 15mMultiple Airlines
Deal found 3/31$536
This United Airlines deal was found by Cheapflights users on 3/31. 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.
週二 4/151:10 pmATH - ORD
2 stops18h 30mUnited Airlines
週六 5/1010:55 amORD - ATH
2 stops15h 00mUnited Airlines
Deal found 3/31$565
This Air Canada deal was found by Cheapflights users on 3/31. 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.
週三 7/91:10 pmATH - ORD
2 stops33h 41mAir Canada
週日 8/178:40 amORD - ATH
1 stop17h 25mAir Canada
Deal found 3/31$575

Cheapflights Fare Finder

Customize your flight search to find flights from Greece to Illinois 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 4月 1, 2025.
Use the filters below to find and compare flights from Greece to Illinois that are best for you.

Fly from

Greece

Fly to

Illinois

Route

Depart

Return

Price

ThessalonikiChicago

SKG - ORD

SKGORD

Thessaloniki Makedonia

週五 4/18

11:35 pm-2:10 pm

1 stop22h 35m

Chicago O'Hare Intl

週五 5/2

4:20 pm-12:55 pm

1 stop12h 35m

$486

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

週三 4/23

5:25 pm-2:10 pm

1 stop28h 45m

Chicago O'Hare Intl

週六 5/31

3:59 pm-1:20 pm

1 stop13h 21m

$495

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

週五 5/2

8:50 pm-2:45 pm

1 stop25h 55m

Chicago O'Hare Intl

週四 5/15

10:25 pm-8:00 pm

1 stop13h 35m

$496

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

週五 5/2

1:00 pm-11:49 pm

2 stops18h 49m

Chicago O'Hare Intl

週日 5/18

10:25 pm-7:55 pm

1 stop13h 30m

$497

AthensChicago

ATH - MDW

ATHMDW

Athens Eleftherios V.

週四 4/17

6:00 am-6:20 pm

2 stops20h 20m

Chicago Midway

週一 4/21

9:20 am-10:55 am

2 stops17h 35m

$498

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

週四 5/29

6:00 am-6:37 pm

2 stops20h 37m

Chicago O'Hare Intl

週六 6/7

10:31 am-1:20 pm

1 stop18h 49m

$499

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

週五 5/2

9:55 am-8:45 pm

2 stops18h 50m

Chicago O'Hare Intl

週三 5/7

6:24 am-7:55 am

2 stops17h 31m

$500

AthensChicago

ATH - MDW

ATHMDW

Athens Eleftherios V.

週四 4/17

10:30 am-10:22 pm

1 stop19h 52m

Chicago Midway

週一 4/21

9:52 am-10:55 am

1 stop17h 03m

$500

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

週一 9/1

7:40 pm-4:10 pm

1 stop28h 30m

Chicago O'Hare Intl

週日 12/14

7:30 pm-1:10 pm

1 stop33h 40m

$524

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

週五 5/2

1:00 pm-8:01 pm

1 stop15h 01m

Chicago O'Hare Intl

週日 5/18

4:50 pm-11:10 am

Nonstop10h 20m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 50 results
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Best time to book a flight from Greece to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Greece 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 Greece to Illinois

What is the cheapest month to book a flight from Greece to Illinois?

Currently, August is the cheapest month in which you can book a flight from Greece to Illinois (average of $245). Flying from Greece to Illinois in March is currently the most expensive (average of $323). 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 GR to IL?

Find hourly flight availability from Greece to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4月 1, 2025.

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

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated 4月 1, 2025.
To help decide which airline to fly from Greece to Illinois, see what other customers have to say about Delta, KLM and Finnair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
770 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Greece to Illinois. 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 Greece to Illinois one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $525. Users have also found prices from $529 and $532 on Aer Lingus and Air Serbia, respectively.

  • Can I find deals for flights from Greece to Illinois that include hotel bookings?

    Yes. In addition to deals on Greece to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Greece to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greece to Illinois.

  • Can I find deals for business class flights from Greece to Illinois?

    Yes. Cheapflights offers flight deals from Greece to Illinois 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 Greece to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Greece to Illinois (average of $245). Flying from Greece to Illinois in March is currently the most expensive (average of $323). 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 Greece to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Greece to Illinois

Discover the top 10 airlines that operate flights from Greece to Illinois. 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 4月 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$474Average$777FlexibilityNo cancel feeOn-time76%
KLMCheapest$482Average$699FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$483Average$697FlexibilityNo cancel feeOn-time70%
LOTCheapest$487Average$674FlexibilityNo cancel feeOn-time81%
DeltaCheapest$493Average$593FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$496Average$628FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$497Average$708FlexibilityNo cancel feeOn-time71%
IberiaCheapest$502Average$712FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$518Average$565FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$546Average$707FlexibilityNo cancel feeOn-time69%
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