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$333+ Cheap flights from Athens (ATH) to Illinois

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from Athens to Illinois

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

Round-trip from

$522
(FlightHub)

One-way from

$333
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$557

Good round-trip deal

$390 or less

Good one-way deal

$520 or less
From Athens Eleftherios V. to Illinois
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One-way flight from Athens Eleftherios V. to Illinois
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Athens Eleftherios V. to Illinois.
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Price to beat on a one-way flight from Athens Eleftherios V. to Illinois.
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Find flight deals from Athens to Illinois

Cheapest flights from Athens to Illinois
Explore the most affordable flight options available from Athens to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/243:45 pmATH - ORD
1 stop26h 20mTurkish Airlines
Wed 4/1511:25 amORD - ATH
1 stop31h 40mTurkish Airlines
Deal found 11/13$522
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:10 pmATH - ORD
1 stop28h 55mTurkish Airlines
Wed 4/227:50 pmORD - ATH
1 stop35h 00mTurkish Airlines
Deal found 11/12$528
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:40 pmATH - ORD
1 stop20h 25mTurkish Airlines
Wed 4/811:25 amORD - ATH
1 stop13h 35mTurkish Airlines
Deal found 11/11$534
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:20 pmATH - ORD
1 stop29h 00mMultiple Airlines
Mon 12/85:20 pmORD - ATH
1 stop12h 15mMultiple Airlines
Deal found 11/11$546
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.
Thu 12/46:05 amATH - MDW
2 stops19h 55mDelta
Mon 12/81:14 pmMDW - ATH
2 stops16h 21mDelta
Deal found 11/13$553
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.
Thu 12/46:05 amATH - ORD
2 stops20h 22mDelta
Mon 12/85:20 pmORD - ATH
1 stop12h 15mDelta
Deal found 11/13$553
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:40 pmATH - ORD
1 stop20h 25mTurkish Airlines
Tue 1/1311:50 amORD - ATH
1 stop16h 30mTurkish Airlines
Deal found 11/11$577
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:40 pmATH - ORD
1 stop20h 25mTurkish Airlines
Sun 1/118:20 pmORD - ATH
1 stop32h 00mTurkish Airlines
Deal found 11/11$578
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:25 amATH - ORD
1 stop14h 45mLufthansa
Wed 12/319:50 pmORD - ATH
1 stop19h 50mLufthansa
Deal found 11/11$579
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:45 pmATH - ORD
1 stop32h 35mKLM
Sun 12/147:00 amORD - ATH
1 stop18h 55mKLM
Deal found 11/11$580
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.
Thu 12/46:05 amATH - MDW
2 stops19h 55mDelta
Mon 12/1510:49 amMDW - ATH
2 stops18h 46mDelta
Deal found 11/13$582
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:10 pmATH - ORD
1 stop13h 55mLufthansa
Thu 1/86:25 pmORD - ATH
1 stop13h 50mLufthansa
Deal found 11/11$582

Cheapflights Fare Finder

 
Customize your flight search to find flights from Athens 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 November 13, 2025.
Use the filters below to find and compare flights from Athens to Illinois that are best for you.

Fly from

Athens

Fly to

Illinois

Route

Depart

Return

Price

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 12/4

5:20 pm-2:20 pm

1 stop29h 00m

Chicago O'Hare Intl

Mon 12/8

5:20 pm-1:35 pm

1 stop12h 15m

$546

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 4/9

6:00 am-2:20 pm

1 stop16h 20m

Chicago O'Hare Intl

Mon 4/13

10:10 am-7:00 am

1 stop12h 50m

$549

AthensChicago

ATH - MDW

ATHMDW

Athens Eleftherios V.

Thu 4/9

6:00 am-6:34 pm

2 stops20h 34m

Chicago Midway

Mon 4/13

5:59 pm-5:40 pm

2 stops15h 41m

$550

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 4/9

6:00 am-2:20 pm

1 stop16h 20m

Chicago O'Hare Intl

Mon 4/13

4:20 pm-12:45 pm

1 stop12h 25m

$550

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 1/23

6:05 am-2:20 pm

1 stop16h 15m

Chicago O'Hare Intl

Sun 1/25

1:58 pm-4:30 pm

2 stops18h 32m

$553

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 4/9

1:40 pm-11:54 pm

2 stops18h 14m

Chicago O'Hare Intl

Mon 4/13

7:00 am-7:00 am

1 stop16h 00m

$555

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 2/8

3:45 pm-10:05 am

1 stop26h 20m

Chicago O'Hare Intl

Sun 3/8

9:20 pm-8:50 pm

1 stop16h 30m

$557

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 2/6

6:05 am-6:49 pm

2 stops20h 44m

Chicago O'Hare Intl

Thu 2/26

11:18 am-1:00 pm

2 stops17h 42m

$558

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 12/11

12:50 pm-12:43 pm

1 stop31h 53m

Chicago O'Hare Intl

Sun 1/11

10:24 am-4:30 pm

2 stops22h 06m

$558

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 12/17

12:50 pm-9:39 pm

1 stop16h 49m

Chicago O'Hare Intl

Thu 1/8

1:55 pm-4:30 pm

2 stops18h 35m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 36 results
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Best time to book a flight from Athens to Illinois

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

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

Currently, February is the cheapest month in which you can book a flight from Athens to Illinois (average of $412). Flying from Athens to Illinois in August is currently the most expensive (average of $548). 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 ATH to IL?

Find hourly flight availability from Athens 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 November 13, 2025.

One of the essential ways to save on airfare from Athens to Illinois is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 13% on airfare.

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

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

Travelers seeking maximum savings on their Athens to Illinois flight should consider departing on Friday afternoons when fares are most often at their lowest. Saturday at noon 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 Athens to Illinois?

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 November 13, 2025.
See what other customers who have flown with United Airlines, American Airlines, and Iberia from Athens to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,016 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,016 reviews
United Airlines
7.4
Good
9,016 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,016 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Iberia
7.0
Good
3,010 reviews
United Airlines
7.4
Good
9,016 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,572 reviews
United Airlines
7.4
Good
9,016 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,516 reviews
United Airlines
7.4
Good
9,016 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

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

    Located just 12.3 mi from the city center, Athens Eleftherios V. (ATH) is the airport most travelers will use when flying to Illinois from Athens.

  • How long is the flight from Athens to Illinois?

    For as low as $550, Delta can have you in Illinois from Athens in 16h 20m. The distance between Athens and Illinois is about 5446 mi. This flight may include one or multiple stops.

  • What are the most reliable airlines from Athens to Illinois?

    The top 3 most reliable airlines when flying from Athens to Illinois are American Airlines (82%), Alaska Airlines (82%) and Finnair (82%).

  • What are the cheapest flights from Athens to Illinois?

    Looking at all options, your cheapest flight can be booked for $348. While the most popular route (Athens Eleftherios V. - Chicago O'Hare Intl) can be booked for $522 on average, our data indicates $645 when flying from Athens to Illinois.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Athens to Illinois (average of $412). Flying from Athens to Illinois in August is currently the most expensive (average of $548). 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 Athens 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 Athens to Illinois

Discover the top 10 airlines that operate flights from Athens 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$459Average$539FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$482Average$679FlexibilityNo cancel feeOn-time75%
FinnairCheapest$485Average$824FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$491Average$670FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$496Average$631FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$500Average$698FlexibilityNo cancel feeOn-time71%
IberiaCheapest$511Average$691FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$545Average$678FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$549Average$737FlexibilityNo cancel feeOn-time76%
SWISSCheapest$562Average$840FlexibilityNo cancel feeOn-time79%

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