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Greece

$277+ Cheap flights from Illinois to Greece

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATH
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Illinois to Greece

Keep the following information in mind while searching for Illinois to Greece flight deals. Data was last updated September 15, 2025.

Round-trip from

$478
(lastminute.com)

One-way from

$277
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$915

Good round-trip deal

$790 or less

Good one-way deal

$513 or less
From Illinois to Greece
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One-way flight from Illinois to Greece
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Highest demand for flights based on searches. 28% potential increase in price ($359 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Greece.
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Price to beat on a one-way flight from Illinois to Greece.
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Find flight deals from Illinois to Greece

Cheapest flights from Illinois to Greece
Explore the most affordable flight options available from Illinois to Greece. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This lastminute.com deal was found by Cheapflights users on 9/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:30 amSTL - ATH
2 stops20h 40mAir Canada
Wed 11/1911:55 amATH - STL
2 stops35h 34mAir Canada
Deal found 9/13$478
This lastminute.com deal was found by Cheapflights users on 9/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:30 amSTL - ATH
2 stops20h 40mMultiple Airlines
Wed 11/196:15 amATH - STL
1 stop15h 40mMultiple Airlines
Deal found 9/13$488
This Scandinavian Airlines deal was found by Cheapflights users on 9/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:59 pmSTL - ATH
2 stops19h 41mScandinavian Airlines
Wed 11/57:30 pmATH - STL
2 stops34h 08mScandinavian Airlines
Deal found 9/12$519
This lol.travel deal was found by Cheapflights users on 9/15. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:24 pmSTL - ATH
2 stops23h 01mUnited Airlines
Wed 11/1912:25 pmATH - STL
1 stop19h 19mUnited Airlines
Deal found 9/15$520
This Gotogate deal was found by Cheapflights users on 9/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:05 pmORD - SKG
1 stop33h 25mSWISS
Tue 11/42:05 pmSKG - ORD
1 stop34h 15mSWISS
Deal found 9/13$522
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Mon 10/134:20 pmORD - SKG
1 stop12h 15mMultiple Airlines
Mon 10/206:15 pmSKG - ORD
2 stops26h 40mMultiple Airlines
Deal found 9/13$524
This Delta deal was found by Cheapflights users on 9/15. 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.
Mon 11/36:00 amSTL - ATH
1 stop20h 35mDelta
Wed 11/1912:50 pmATH - STL
1 stop27h 34mDelta
Deal found 9/15$530
This KAYAK deal was found by Cheapflights users on 9/13. 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.
Tue 12/26:50 pmORD - SKG
1 stop34h 25mSWISS
Tue 3/32:05 pmSKG - ORD
1 stop34h 15mSWISS
Deal found 9/13$532
This lastminute.com deal was found by Cheapflights users on 9/14. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/58:25 pmORD - JTR
2 stops38h 50mMultiple Airlines
Mon 10/208:45 pmJTR - ORD
1 stop27h 10mMultiple Airlines
Deal found 9/14$535
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 9/289:40 pmORD - ATH
2 stops15h 30mUnited Airlines
Wed 10/221:35 pmATH - ORD
1 stop31h 45mUnited Airlines
Deal found 9/14$539
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 11/24:05 pmSTL - ATH
1 stop35h 05mUnited Airlines
Fri 11/146:05 amATH - STL
1 stop15h 50mUnited Airlines
Deal found 9/13$540
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 9/2710:41 amORD - ATH
1 stop13h 29mUnited Airlines
Thu 10/166:00 amATH - ORD
1 stop20h 15mUnited Airlines
Deal found 9/14$540

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Greece 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 September 15, 2025.
Use the filters below to find and compare flights from Illinois to Greece that are best for you.

Fly from

Illinois

Fly to

Greece

Route

Depart

Return

Price

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/3

5:24 pm-12:25 am

2 stops23h 01m

Athens Eleftherios V.

Wed 11/19

12:25 pm-11:44 pm

1 stop19h 19m

$520

ChicagoThessaloniki

ORD - SKG

ORDSKG

Chicago O'Hare Intl

Mon 10/13

4:20 pm-12:35 pm

1 stop12h 15m

Thessaloniki Makedonia

Mon 10/20

6:15 pm-12:55 pm

2 stops26h 40m

$524

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/3

6:00 am-10:35 am

1 stop20h 35m

Athens Eleftherios V.

Wed 11/19

12:50 pm-8:24 am

1 stop27h 34m

$530

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sun 10/5

8:25 pm-7:15 pm

2 stops38h 50m

Thera Santorini

Mon 10/20

8:45 pm-3:55 pm

1 stop27h 10m

$535

ChicagoThera

ORD - JTR

ORDJTR

Chicago O'Hare Intl

Sun 10/5

9:15 pm-1:50 pm

1 stop32h 35m

Thera Santorini

Mon 10/20

5:25 pm-1:50 pm

1 stop28h 25m

$544

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 11/25

5:20 pm-1:35 pm

1 stop12h 15m

Athens Eleftherios V.

Mon 12/1

3:25 am-6:47 pm

2 stops23h 22m

$546

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 11/3

5:20 pm-1:35 pm

1 stop12h 15m

Athens Eleftherios V.

Mon 12/1

3:25 am-6:47 pm

2 stops23h 22m

$546

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 11/5

5:20 pm-1:35 pm

1 stop12h 15m

Athens Eleftherios V.

Mon 11/17

3:25 am-6:13 pm

2 stops22h 48m

$546

ChicagoMykonos

ORD - JMK

ORDJMK

Chicago O'Hare Intl

Mon 10/13

6:00 pm-5:30 pm

1 stop15h 30m

Mikonos

Mon 10/20

9:25 pm-1:20 pm

1 stop23h 55m

$547

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Fri 12/5

7:10 am-6:40 pm

2 stops27h 30m

Athens Eleftherios V.

Mon 2/2

7:30 pm-10:15 pm

2 stops34h 45m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Greece

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

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Greece (average of $679). Flying from Illinois to Greece in June is currently the most expensive (average of $1,284). 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 GR?

Find hourly flight availability from Illinois to Greece. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

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

Weekly flight availability from Illinois to Greece

Explore weekly flight availability from Illinois to Greece. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from USIL to GR0 are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Related info for your journey

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

    Departing from Illinois to Greece will take you 20h 35m. Airlines will cover a distance of 5692 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Illinois to Greece one-way?

    For one-way options, check prices for Scandinavian Airlines. According to our data, you can fly for as low as $369. Users have also found prices from $373 and $384 on Virgin Atlantic and Lufthansa, respectively.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Greece (average of $679). Flying from Illinois to Greece in June is currently the most expensive (average of $1,284). 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 Greece

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 Greece

Discover the top 10 airlines that operate flights from Illinois to Greece. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$393Average$981FlexibilityNo cancel feeOn-time77%
Air SerbiaCheapest$424Average$954FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$449Average$776FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$463Average$524FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$480Average$1,058FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$484Average$779FlexibilityNo cancel feeOn-time72%
KLMCheapest$491Average$857FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$509Average$828FlexibilityNo cancel feeOn-time77%
LOTCheapest$529Average$826FlexibilityNo cancel feeOn-time81%
SWISSCheapest$581Average$1,131FlexibilityNo cancel feeOn-time79%

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