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$552+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$564
(British Airways)

One-way from

$552
(Kiwi.com)

Popular in

October

Cheapest in

November

Average price

$766

Good round-trip deal

$619 or less

Good one-way deal

$698 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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Highest demand for flights based on searches. 7% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 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 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 September 15, 2025.

This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:30 amATH - ORD
1 stop14h 20mBritish Airways
Sun 10/54:55 pmORD - ATH
Nonstop10h 15mBritish Airways
Deal found 9/15$558
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:30 amATH - ORD
2 stops17h 25mSWISS
Thu 1/155:50 pmORD - ATH
2 stops14h 50mSWISS
Deal found 9/15$570
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:05 amATH - ORD
1 stop17h 15mSWISS
Tue 11/186:50 pmORD - ATH
1 stop13h 50mSWISS
Deal found 9/14$571
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:05 amATH - ORD
1 stop16h 55mAmerican Airlines
Tue 10/218:40 pmORD - ATH
1 stop14h 30mAmerican Airlines
Deal found 9/13$572
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.
Wed 9/1710:00 pmATH - ORD
1 stop19h 40mTurkish Airlines
Wed 9/2411:25 amORD - ATH
1 stop13h 30mTurkish Airlines
Deal found 9/13$573
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1710:00 pmATH - ORD
1 stop19h 40mTurkish Airlines
Sat 9/2711:45 pmORD - ATH
1 stop19h 20mTurkish Airlines
Deal found 9/14$574
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:10 pmATH - ORD
2 stops29h 24mBritish Airways
Sat 11/229:45 pmORD - ATH
1 stop13h 05mBritish Airways
Deal found 9/14$575
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/232:05 pmATH - ORD
1 stop32h 10mIberia
Sun 10/125:00 pmORD - ATH
Nonstop10h 10mIberia
Deal found 9/14$576
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2110:45 pmATH - ORD
1 stop28h 05mIberia
Tue 10/711:50 amORD - ATH
1 stop13h 25mIberia
Deal found 9/13$577
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:30 amATH - ORD
1 stop15h 25mAmerican Airlines
Sun 10/58:40 pmORD - ATH
1 stop13h 40mAmerican Airlines
Deal found 9/14$579
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:35 amATH - ORD
2 stops19h 48mBritish Airways
Sat 10/186:36 pmORD - ATH
2 stops17h 09mBritish Airways
Deal found 9/14$580
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:05 amATH - MDW
2 stops20h 03mMultiple Airlines
Tue 11/181:14 pmMDW - ATH
2 stops16h 21mMultiple Airlines
Deal found 9/14$583

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 September 15, 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.

Wed 12/17

6:35 am-3:20 pm

2 stops16h 45m

Chicago O'Hare Intl

Wed 12/31

10:35 pm-12:25 am

1 stop17h 50m

$573

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 10/6

7:30 pm-4:13 pm

2 stops28h 43m

Chicago O'Hare Intl

Sun 10/19

1:59 pm-6:20 pm

2 stops20h 21m

$580

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 10/6

7:30 pm-4:13 pm

2 stops28h 43m

Chicago O'Hare Intl

Wed 10/15

9:15 pm-12:50 am

1 stop19h 35m

$580

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 10/1

5:35 am-5:23 pm

2 stops19h 48m

Chicago O'Hare Intl

Fri 10/17

6:36 pm-12:35 am

2 stops21h 59m

$580

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 1/20

6:25 am-3:20 pm

1 stop16h 55m

Chicago O'Hare Intl

Wed 6/17

3:40 pm-1:25 pm

1 stop13h 45m

$582

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 1/22

6:25 am-6:13 pm

2 stops19h 48m

Chicago O'Hare Intl

Sun 6/21

7:00 am-1:25 pm

1 stop22h 25m

$589

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 1/20

6:25 am-3:20 pm

1 stop16h 55m

Chicago O'Hare Intl

Tue 6/16

4:00 pm-1:25 pm

1 stop13h 25m

$589

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 1/23

2:10 pm-4:45 pm

1 stop34h 35m

Chicago O'Hare Intl

Thu 6/18

7:15 pm-6:40 pm

1 stop15h 25m

$593

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 10/30

7:05 am-5:20 pm

1 stop17h 15m

Chicago O'Hare Intl

Thu 11/6

8:50 am-6:05 pm

2 stops25h 15m

$598

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 10/7

11:45 am-7:58 pm

1 stop16h 13m

Chicago O'Hare Intl

Wed 10/15

10:40 am-10:05 am

1 stop15h 25m

$599

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 40 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, August is the cheapest month in which you can book a flight from Athens to Illinois (average of $245). Flying from Athens to Illinois in March is currently the most expensive (average of $321). 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 September 15, 2025.

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

Weekly flight availability from Athens to Illinois

Explore weekly flight availability from Athens to Illinois. 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 ATH to USIL 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).

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 September 15, 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
8,929 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Iberia
7.0
Good
2,924 reviews
United Airlines
7.4
Good
8,929 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
7,407 reviews
United Airlines
7.4
Good
8,929 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,929 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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 $573, United Airlines can have you in Illinois from Athens in 16h 45m. 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 (79%), Alaska Airlines (79%) and Finnair (79%).

  • What are the cheapest flights from Athens to Illinois?

    Looking at all options, your cheapest flight can be booked for $591. While the most popular route (Athens Eleftherios V. - Chicago O'Hare Intl) can be booked for $498 on average, our data indicates $1,022 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, August is the cheapest month in which you can book a flight from Athens to Illinois (average of $245). Flying from Athens to Illinois in March is currently the most expensive (average of $321). 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 9 airlines flying from Athens to Illinois

Discover the top 9 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$489Average$618FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$489Average$672FlexibilityNo cancel feeOn-time70%
DeltaCheapest$492Average$561FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$497Average$633FlexibilityNo cancel feeOn-time71%
IberiaCheapest$511Average$691FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$547Average$681FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$549Average$736FlexibilityNo cancel feeOn-time76%
FinnairCheapest$561Average$824FlexibilityNo cancel feeOn-time76%
SWISSCheapest$562Average$788FlexibilityNo cancel feeOn-time79%

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