Greece

$337+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATH
Jul 9 — Jul 161
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Cheap 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 June 9, 2026.

This FlightHub deal was found by Cheapflights users on 6/7. 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.
Fri 12/44:40 pm
STL
-
ATH
2 stops36h 00m
Scandinavian Airlines
Sat 12/128:40 pm
ATH
-
STL
2 stops34h 59m
Scandinavian Airlines
Deal found 6/7$754
This Finnair deal was found by Cheapflights users on 6/6. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:20 pm
STL
-
ATH
2 stops21h 35m
Multiple Airlines
Mon 11/98:10 pm
ATH
-
STL
2 stops31h 20m
Multiple Airlines
Deal found 6/6$797
This FlightHub deal was found by Cheapflights users on 6/8. 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.
Mon 11/22:50 pm
STL
-
ATH
2 stops20h 05m
British Airways
Mon 11/94:55 pm
ATH
-
STL
2 stops34h 32m
British Airways
Deal found 6/8$842
This FlightHub deal was found by Cheapflights users on 6/8. 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.
Tue 8/2512:10 pm
STL
-
ATH
1 stop14h 00m
Multiple Airlines
Thu 9/33:25 pm
ATH
-
STL
1 stop36h 42m
Multiple Airlines
Deal found 6/8$863
This Justfly.com deal was found by Cheapflights users on 6/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:15 pm
STL
-
ATH
2 stops58h 45m
Air Canada
Mon 11/91:00 pm
ATH
-
STL
1 stop34h 30m
Air Canada
Deal found 6/8$865
This Iberia deal was found by Cheapflights users on 6/4. 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.
Mon 8/174:55 pm
ORD
-
JMK
1 stop20h 25m
Multiple Airlines
Thu 9/1010:30 am
JMK
-
ORD
2 stops29h 40m
Multiple Airlines
Deal found 6/4$867
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Mon 11/26:15 am
STL
-
ATH
2 stops20h 45m
United Airlines
Mon 11/912:25 pm
ATH
-
STL
1 stop19h 00m
United Airlines
Deal found 6/5$868
This Air Canada deal was found by Cheapflights users on 6/8. 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.
Wed 8/1212:10 pm
STL
-
ATH
1 stop17h 15m
Air Canada
Tue 9/812:10 pm
ATH
-
STL
2 stops31h 47m
Air Canada
Deal found 6/8$871
This United Airlines deal was found by Cheapflights users on 6/8. 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 8/156:54 pm
STL
-
ATH
1 stop31h 41m
United Airlines
Fri 9/43:25 pm
ATH
-
STL
1 stop35h 17m
United Airlines
Deal found 6/8$873
This Air Canada deal was found by Cheapflights users on 6/8. 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.
Wed 8/127:25 am
STL
-
ATH
2 stops18h 45m
Air Canada
Wed 9/912:10 pm
ATH
-
STL
2 stops35h 28m
Air Canada
Deal found 6/8$875
This deal was found by Cheapflights users on 6/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:10 pm
STL
-
ATH
1 stop14h 00m
Air Canada
Thu 10/2212:10 pm
ATH
-
STL
1 stop15h 50m
Air Canada
Deal found 6/5$877
This United Airlines deal was found by Cheapflights users on 6/8. 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 8/153:35 pm
STL
-
ATH
1 stop35h 00m
United Airlines
Wed 9/91:10 pm
ATH
-
STL
1 stop32h 50m
United Airlines
Deal found 6/8$878

Find flight deals from Illinois to Greece

Keep the following information in mind while searching for Illinois to Greece flight deals. Data was last updated June 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$754
(FlightHub)

One-way from

$337
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,454

Good round-trip deal

$1,251 or less

Good one-way deal

$764 or less
Provider with most accurate pricing for Chicago (CHI)-Athens Eleftherios V. flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Athens Eleftherios V. flights.
From Illinois to Greece
One-way flight from Illinois to Greece
Highest demand for flights based on searches. 30% potential increase in price ($378 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Illinois to Greece.
Price to beat on a one-way flight from Illinois to Greece.

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 June 9, 2026.
Use the filters below to find and compare flights from Illinois to Greece that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 8/17

3:35 pm-10:35 am

1 stop35h 00m

Athens Eleftherios V.

Fri 9/4

3:25 pm-6:42 pm

1 stop35h 17m

$873

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 8/15

5:30 pm-11:10 am

2 stops33h 40m

Athens Eleftherios V.

Fri 9/4

12:10 pm-6:42 pm

1 stop14h 32m

$889

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 8/15

5:30 pm-11:10 am

2 stops33h 40m

Athens Eleftherios V.

Mon 9/7

2:15 pm-1:25 pm

1 stop31h 10m

$910

ChicagoThessaloniki

ORD - SKG

ORDSKG

Chicago O'Hare Intl

Tue 9/22

8:10 pm-8:25 pm

1 stop16h 15m

Thessaloniki Makedonia

Sun 9/27

9:35 am-9:40 am

1 stop32h 05m

$920

ChicagoCorfu

ORD - CFU

ORDCFU

Chicago O'Hare Intl

Wed 8/19

7:05 pm-3:05 pm

1 stop12h 00m

Corfu Ioannis Kapodistrias

Mon 8/31

3:35 pm-12:35 pm

1 stop29h 00m

$935

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 9/13

7:00 am-10:10 am

3 stops19h 10m

Athens Eleftherios V.

Tue 9/29

12:10 pm-3:43 pm

2 stops35h 33m

$943

ChicagoThessaloniki

ORD - SKG

ORDSKG

Chicago O'Hare Intl

Sun 10/4

6:00 am-12:20 pm

2 stops46h 20m

Thessaloniki Makedonia

Thu 10/8

7:50 pm-4:10 pm

1 stop28h 20m

$951

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 8/29

4:50 pm-10:10 am

2 stops33h 20m

Athens Eleftherios V.

Fri 9/11

12:10 pm-11:17 am

2 stops31h 07m

$953

ChicagoHeraklion

ORD - HER

ORDHER

Chicago O'Hare Intl

Wed 7/29

4:05 pm-5:45 pm

1 stop17h 40m

Heraklion N. Kazantzakis Apt.

Tue 8/4

10:40 am-12:55 pm

1 stop34h 15m

$959
Quickest round-trip

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 7/19

9:40 pm-7:55 pm

1 stop14h 15m

Athens Eleftherios V.

Mon 7/27

2:00 pm-11:58 pm

1 stop17h 58m

$963

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Illinois to Greece (average of $389). Flying from Illinois to Greece in October is currently the most expensive (average of $2,829). 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 June 9, 2026.

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 June 9, 2026.

The most flights from USIL to GR0 are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

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

To ensure you get the cheapest price possible for a flight from Illinois to Greece, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 12h. Airlines will cover a distance of 5210 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 Air India. According to our data, you can fly for as low as $367. Users have also found prices from $374 and $397 on Korean Air and Delta, 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, January is the cheapest month in which you can book a flight from Illinois to Greece (average of $389). Flying from Illinois to Greece in October is currently the most expensive (average of $2,829). 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

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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.

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 June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$333Average$1,064FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$407Average$765FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$480Average$822FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$499Average$842FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$505Average$945FlexibilityNo cancel feeOn-time77%
DeltaCheapest$525Average$871FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$527Average$1,239FlexibilityNo cancel feeOn-time76%
LOTCheapest$528Average$679FlexibilityNo cancel feeOn-time81%
Air SerbiaCheapest$574Average$819FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$591Average$871FlexibilityNo cancel feeOn-time75%

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