HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Athens

$216+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATH
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Athens with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find 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 November 13, 2025.

This CheapOair deal was found by Cheapflights users on 11/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:15 pmORD - ATH
1 stop30h 05mMultiple Airlines
Mon 11/245:40 pmATH - ORD
1 stop30h 40mMultiple Airlines
Deal found 11/11$487
This oojo deal was found by Cheapflights users on 11/11. 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.
Wed 11/129:20 amORD - ATH
2 stops25h 15mITA Airways
Wed 11/196:00 amATH - ORD
2 stops20h 10mITA Airways
Deal found 11/11$488
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Wed 12/318:51 amORD - ATH
2 stops19h 09mUnited Airlines
Thu 1/156:25 amATH - ORD
1 stop16h 55mUnited Airlines
Deal found 11/11$489
This Delta deal was found by Cheapflights users on 11/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:30 amORD - ATH
2 stops20h 25mDelta
Fri 1/236:05 amATH - ORD
1 stop16h 15mDelta
Deal found 11/12$490
This British Airways deal was found by Cheapflights users on 11/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:45 pmORD - ATH
1 stop19h 35mBritish Airways
Thu 1/222:25 pmATH - ORD
1 stop36h 20mBritish Airways
Deal found 11/12$491
This CheapOair deal was found by Cheapflights users on 11/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/13:55 pmORD - ATH
2 stops16h 45mMultiple Airlines
Wed 12/172:20 pmATH - ORD
1 stop13h 45mMultiple Airlines
Deal found 11/12$492
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Mon 12/19:50 pmORD - ATH
1 stop19h 50mUnited Airlines
Fri 12/126:05 amATH - ORD
2 stops23h 52mUnited Airlines
Deal found 11/10$493
This Delta deal was found by Cheapflights users on 11/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:59 amMDW - ATH
2 stops15h 56mDelta
Tue 12/1612:50 pmATH - MDW
2 stops29h 04mDelta
Deal found 11/13$493
This American Airlines deal was found by Cheapflights users on 11/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:34 pmORD - ATH
2 stops17h 56mAmerican Airlines
Tue 12/27:55 pmATH - ORD
1 stop27h 30mAmerican Airlines
Deal found 11/12$494
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:21 pmORD - ATH
2 stops33h 39mUnited Airlines
Tue 1/206:25 amATH - ORD
1 stop14h 45mUnited Airlines
Deal found 11/12$495
This Delta deal was found by Cheapflights users on 11/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:15 pmORD - ATH
1 stop31h 40mDelta
Thu 1/226:05 amATH - ORD
2 stops23h 37mDelta
Deal found 11/12$496
This Delta deal was found by Cheapflights users on 11/11. 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.
Wed 11/129:41 amMDW - ATH
2 stops19h 54mDelta
Wed 11/1912:50 pmATH - MDW
2 stops18h 50mDelta
Deal found 11/11$497

Cheap flight deals from Illinois to Athens

Keep the following information in mind while searching for Illinois to Athens flight deals. Data was last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$484
(Ovago)

One-way from

$216
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$588

Good round-trip deal

$720 or less

Good one-way deal

$539 or less
Provider with most accurate pricing for Chicago (CHI)-Athens Eleftherios V. flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Athens Eleftherios V. flights.
Search Deals
From Illinois to Athens Eleftherios V.
Search Deals
One-way flight from Illinois to Athens Eleftherios V.
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($378 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 November 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Athens Eleftherios V..
Search Deals
Price to beat on a one-way flight from Illinois to Athens Eleftherios V..
Search Deals

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 November 13, 2025.
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

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 1/14

1:00 pm-12:00 pm

2 stops15h 00m

Athens Eleftherios V.

Wed 1/21

6:15 am-2:55 pm

2 stops16h 40m

$489

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 12/29

6:15 pm-9:55 am

1 stop31h 40m

Athens Eleftherios V.

Wed 1/21

6:05 am-2:20 pm

1 stop16h 15m

$491

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 12/30

9:45 pm-1:20 am

1 stop19h 35m

Athens Eleftherios V.

Thu 1/22

2:25 pm-6:45 pm

1 stop36h 20m

$491

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 12/29

6:15 pm-9:55 am

1 stop31h 40m

Athens Eleftherios V.

Fri 1/23

6:05 am-2:20 pm

1 stop16h 15m

$491

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 12/28

6:15 pm-9:55 am

1 stop31h 40m

Athens Eleftherios V.

Fri 1/23

6:05 am-2:20 pm

1 stop16h 15m

$491

ChicagoAthens

MDW - ATH

MDWATH

Chicago Midway

Tue 12/9

9:59 am-9:55 am

2 stops15h 56m

Athens Eleftherios V.

Tue 12/16

12:50 pm-9:54 am

2 stops29h 04m

$493

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 11/26

8:55 am-4:35 pm

2 stops23h 40m

Athens Eleftherios V.

Tue 12/2

1:45 pm-2:20 pm

1 stop32h 35m

$495

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 12/30

9:15 pm-12:00 pm

2 stops30h 45m

Athens Eleftherios V.

Thu 1/22

6:25 am-6:15 pm

2 stops19h 50m

$499

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 12/2

3:55 pm-4:35 pm

2 stops16h 40m

Athens Eleftherios V.

Thu 12/11

6:25 am-8:05 pm

1 stop21h 40m

$502

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 12/9

11:00 am-1:35 pm

2 stops18h 35m

Athens Eleftherios V.

Mon 12/15

3:25 am-5:46 pm

2 stops22h 21m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 49 results
1
2
3
...
5

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 $711). 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 ATH?

Find hourly flight availability from Illinois to Athens. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 22% on flights from Illinois to Athens by exploring options for tickets in the evening.

What is the cheapest day to fly from Illinois to Athens?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Athens. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Athens flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Illinois to Athens?

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 15h. Fly via United Airlines, Delta, or British Airways to get the fastest option. Airlines will cover a distance of 5446 mi. This flight may include one or multiple stops.

  • 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 most reliable airlines from Illinois to Athens?

    Consider American Airlines (65%), Alaska Airlines (65%) or Finnair (65%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Athens.

  • What are the cheapest flights from Illinois to Athens?

    The cheapest flight price from Illinois to Athens is $414. On average you can expect to pay $3,640. The most popular route, (Chicago O'Hare Intl - Athens Eleftherios V.), can usually be booked for $448.

  • 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 $711). 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

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 Illinois to Athens

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Athens flights
John F Kennedy Intl to Athens flights
O'Hare Intl to Athens flights
Boston to Athens flights
LaGuardia to Athens flights
Dulles Intl to Athens flights
Atlanta to Athens flights
Los Angeles to Athens flights
Seattle to Athens flights
Dallas/Fort Worth to Athens flights
Baltimore to Athens flights
San Francisco to Athens flights
Reagan-National to Athens flights
Philadelphia to Athens flights
Miami to Athens flights
Denver to Athens flights
Hobby to Athens flights
Minneapolis to Athens flights
Midway to Athens flights
Love Field to Athens flights
Charlotte to Athens flights
Detroit to Athens flights
George Bush Intcntl to Athens flights
Santa Ana to Athens flights
Ontario to Athens flights
Orlando to Athens flights
Portland to Athens flights
Sky Harbor Intl to Athens flights
Fort Lauderdale to Athens flights
Raleigh to Athens flights
Austin to Athens flights
Tampa to Athens flights
Indianapolis to Athens flights
San Diego to Athens flights
St. Louis to Athens flights
Pittsburgh to Athens flights
Jacksonville to Athens flights
Providence to Athens flights
Charleston to Athens flights
Cincinnati to Athens flights
Nashville to Athens flights
Salt Lake City to Athens flights
San Jose to Athens flights
Des Moines to Athens flights
New Orleans to Athens flights
Grand Rapids to Athens flights
Louisville to Athens flights
Kansas City to Athens flights
San Antonio to Athens flights
Cleveland to Athens flights

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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$399Average$711FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$424Average$779FlexibilityNo cancel feeOn-time72%
Air SerbiaCheapest$436Average$929FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$449Average$759FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$454Average$513FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$480Average$1,076FlexibilityNo cancel feeOn-time67%
KLMCheapest$491Average$857FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$508Average$639FlexibilityNo cancel feeOn-time77%
LOTCheapest$520Average$733FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$558Average$958FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.