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$257+ Cheap flights from Illinois to Athens (ATH)

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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATH
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Illinois to Athens

Cheapest flights from Illinois to Athens
Explore the most affordable flight options available from Illinois to Athens. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This United Airlines deal was found by Cheapflights users on 2/10. 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.
Tue 3/107:00 pm
STL
-
ATH
2 stops32h 40m
United Airlines
Tue 3/171:10 pm
ATH
-
STL
2 stops32h 32m
United Airlines
Deal found 2/10$479
This Gotogate deal was found by Cheapflights users on 2/10. 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.
Tue 3/108:17 am
STL
-
ATH
2 stops18h 03m
Air Canada
Tue 3/171:10 pm
ATH
-
STL
1 stop33h 19m
Air Canada
Deal found 2/10$492
This FlightHub deal was found by Cheapflights users on 2/9. 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.
Sun 3/17:20 pm
ORD
-
ATH
2 stops41h 00m
Scandinavian Airlines
Sun 3/88:20 pm
ATH
-
ORD
1 stop28h 25m
Scandinavian Airlines
Deal found 2/9$538
This FlightHub deal was found by Cheapflights users on 2/10. 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 2/178:20 pm
ORD
-
ATH
1 stop16h 30m
Turkish Airlines
Thu 3/53:45 pm
ATH
-
ORD
1 stop26h 20m
Turkish Airlines
Deal found 2/10$539
This Ovago deal was found by Cheapflights users on 2/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 am
STL
-
ATH
1 stop19h 05m
Lufthansa
Tue 3/171:10 pm
ATH
-
STL
1 stop33h 19m
Lufthansa
Deal found 2/10$539
This Gotogate deal was found by Cheapflights users on 2/9. 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.
Wed 4/157:15 pm
ORD
-
ATH
2 stops55h 35m
Scandinavian Airlines
Mon 4/2011:35 am
ATH
-
ORD
2 stops60h 35m
Scandinavian Airlines
Deal found 2/9$540
This FlightHub deal was found by Cheapflights users on 2/10. 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 3/1012:50 pm
ORD
-
ATH
1 stop25h 00m
Turkish Airlines
Tue 3/173:45 pm
ATH
-
ORD
1 stop34h 40m
Turkish Airlines
Deal found 2/10$541
This Gotogate deal was found by Cheapflights users on 2/10. 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.
Fri 2/207:20 pm
ORD
-
ATH
1 stop15h 20m
Scandinavian Airlines
Sun 3/88:20 pm
ATH
-
ORD
1 stop28h 25m
Scandinavian Airlines
Deal found 2/10$542
This KAYAK deal was found by Cheapflights users on 2/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:20 pm
ORD
-
ATH
2 stops55h 15m
Scandinavian Airlines
Sat 11/287:30 pm
ATH
-
ORD
1 stop29h 15m
Scandinavian Airlines
Deal found 2/8$543
This oojo deal was found by Cheapflights users on 2/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:15 pm
ORD
-
ATH
2 stops31h 20m
Scandinavian Airlines
Tue 5/57:30 pm
ATH
-
ORD
1 stop28h 40m
Scandinavian Airlines
Deal found 2/8$544
This FlightHub deal was found by Cheapflights users on 2/10. 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 4/177:15 pm
ORD
-
ATH
1 stop32h 40m
Scandinavian Airlines
Sat 4/2511:40 am
ATH
-
ORD
2 stops60h 30m
Scandinavian Airlines
Deal found 2/10$545
This FlightHub deal was found by Cheapflights users on 2/10. 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 4/288:10 pm
ORD
-
ATH
1 stop16h 20m
Turkish Airlines
Tue 5/1210:25 am
ATH
-
ORD
1 stop31h 15m
Turkish Airlines
Deal found 2/10$546

Find flight deals from Illinois to Athens

Keep the following information in mind while searching for Illinois to Athens flight deals. Data was last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$479
(United Airlines)

One-way from

$257
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$618

Good round-trip deal

$812 or less

Good one-way deal

$614 or less
Provider with most accurate pricing for Chicago (CHI)-Athens Eleftherios V. flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Athens Eleftherios V. flights.
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From Illinois to Athens Eleftherios V.
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One-way flight from Illinois to Athens Eleftherios V.
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($375 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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Price to beat on a round-trip flight from Illinois to Athens Eleftherios V..
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Price to beat on a one-way flight from Illinois to Athens Eleftherios V..
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Athens 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 February 12, 2026.
Use the filters below to find and compare flights from Illinois to Athens that are best for you.

Fly from

Illinois

Fly to

Athens

Route

Depart

Return

Price

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

8:17 am-9:20 am

2 stops18h 03m

Athens Eleftherios V.

Tue 3/17

1:10 pm-3:29 pm

1 stop33h 19m

$492

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 3/22

7:15 am-10:40 am

1 stop20h 25m

Athens Eleftherios V.

Fri 3/27

10:55 am-11:18 am

1 stop31h 23m

$582

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 3/23

1:09 pm-9:05 am

1 stop12h 56m

Athens Eleftherios V.

Fri 3/27

10:55 am-8:00 am

1 stop28h 05m

$583

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 3/23

2:30 pm-12:00 pm

2 stops14h 30m

Athens Eleftherios V.

Wed 3/25

10:55 am-8:00 am

1 stop28h 05m

$585

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 3/24

10:50 am-9:05 am

1 stop15h 15m

Athens Eleftherios V.

Fri 3/27

10:55 am-7:55 am

2 stops28h 00m

$593

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 3/12

12:04 pm-9:55 am

1 stop14h 51m

Athens Eleftherios V.

Thu 3/19

11:50 am-9:46 am

2 stops28h 56m

$594

ChicagoAthens

MDW - ATH

MDWATH

Chicago Midway

Tue 2/17

1:28 pm-1:35 pm

2 stops16h 07m

Athens Eleftherios V.

Tue 3/17

12:20 pm-10:31 pm

1 stop17h 11m

$594

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 2/16

6:30 am-4:30 pm

2 stops26h 00m

Athens Eleftherios V.

Wed 3/4

6:05 am-2:20 pm

1 stop16h 15m

$597

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 2/17

2:12 pm-4:30 pm

2 stops18h 18m

Athens Eleftherios V.

Tue 3/3

5:20 pm-2:20 pm

1 stop29h 00m

$597

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 3/24

1:37 pm-4:35 pm

2 stops19h 58m

Athens Eleftherios V.

Fri 3/27

12:20 pm-11:54 pm

1 stop18h 34m

$600

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 57 results
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Best time to book a flight from Illinois to Athens

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

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Athens (average of $454). Flying from Illinois to Athens in June is currently the most expensive (average of $694). 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.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Athens. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Athens from Illinois?

    Athens Eleftherios V. (ATH) is the airport you will fly into if you book a flight from Illinois to Athens. It is only a 12.3 mi journey from Eleftherios V. (ATH) to Athens’s city center.

  • How long is the flight from Illinois to Athens?

    There are many flights that can get you from Illinois to Athens in 16h 15m. Fly via Air Canada, United Airlines, or KLM to get the fastest option. Airlines will cover a distance of 5448 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Illinois to Athens are Air Serbia ($208), Scandinavian Airlines ($293), and Turkish Airlines ($307).

  • What are the most popular routes from Illinois to Athens?

    The most popular flight routes from Illinois to Athens are Chicago O'Hare Intl - Athens Eleftherios V., Chicago Midway - Athens Eleftherios V. and Lambert-St Louis - Athens Eleftherios V..

  • What are the cheapest flights from Illinois to Athens?

    The cheapest flight price from Illinois to Athens is $514. On average you can expect to pay $3,643. The most popular route, (Chicago O'Hare Intl - Athens Eleftherios V.), can usually be booked for $508.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Athens (average of $454). Flying from Illinois to Athens in June is currently the most expensive (average of $694). 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

Traveling to a place near Athens?

Book flights to Athens if you plan to visit one of these locations
Glyfada
Piraeus
Tolo
Galaxidi

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Alternative routes for Illinois to Athens

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Top 10 airlines flying from Illinois to Athens

Discover the top 10 airlines that operate flights from Illinois to Athens. 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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$396Average$711FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$424Average$779FlexibilityNo cancel feeOn-time72%
DeltaCheapest$438Average$653FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$454Average$513FlexibilityNo cancel feeOn-time77%
KLMCheapest$466Average$667FlexibilityNo cancel feeOn-time75%
Air SerbiaCheapest$470Average$781FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$480Average$1,009FlexibilityNo cancel feeOn-time67%
LOTCheapest$488Average$656FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$504Average$676FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$533Average$966FlexibilityNo cancel feeOn-time76%

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