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$394+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$550
(Orbitz)

One-way from

$394
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$698

Good round-trip deal

$574 or less

Good one-way deal

$516 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. 8% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Finnair deal was found by Cheapflights users on 6/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:50 pmATH - ORD
1 stop23h 00mMultiple Airlines
Thu 10/235:15 pmORD - ATH
Nonstop9h 55mMultiple Airlines
Deal found 6/10$546
This Orbitz deal was found by Cheapflights users on 6/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/268:15 pmATH - ORD
1 stop26h 00mIberia
Thu 9/44:30 pmORD - ATH
1 stop27h 00mIberia
Deal found 6/11$550
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/248:00 pmATH - ORD
1 stop27h 55mAmerican Airlines
Sat 6/284:45 pmORD - ATH
1 stop35h 20mAmerican Airlines
Deal found 6/10$551
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/155:40 pmATH - ORD
1 stop26h 15mBritish Airways
Tue 7/294:50 pmORD - ATH
Nonstop10h 20mBritish Airways
Deal found 6/10$552
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 9/106:00 amATH - ORD
1 stop16h 40mDelta
Mon 9/155:45 pmORD - ATH
2 stops15h 20mDelta
Deal found 6/12$559
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 8/306:00 amATH - MDW
2 stops20h 37mDelta
Sat 10/41:00 pmMDW - ATH
2 stops17h 10mDelta
Deal found 6/11$563
This lol.travel deal was found by Cheapflights users on 6/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2412:10 pmATH - ORD
1 stop16h 06mAir Canada
Wed 8/610:40 amORD - ATH
1 stop15h 25mAir Canada
Deal found 6/11$564
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 7/2412:10 pmATH - ORD
1 stop16h 06mUnited Airlines
Wed 8/610:40 amORD - ATH
1 stop15h 25mUnited Airlines
Deal found 6/10$574
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:30 amATH - ORD
1 stop16h 25mLufthansa
Mon 9/154:15 pmORD - ATH
Nonstop10h 15mLufthansa
Deal found 6/10$575
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 6/163:55 amATH - ORD
1 stop13h 45mTurkish Airlines
Sat 7/511:25 amORD - ATH
1 stop31h 40mTurkish Airlines
Deal found 6/11$576
This Air France deal was found by Cheapflights users on 6/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:00 amATH - MDW
2 stops20h 07mMultiple Airlines
Tue 11/1810:35 amMDW - ATH
2 stops19h 10mMultiple Airlines
Deal found 6/11$589
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:00 amATH - MDW
2 stops18h 23mKLM
Tue 12/92:00 pmMDW - ATH
2 stops18h 35mKLM
Deal found 6/10$592

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 June 12, 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.

Fri 10/17

8:50 pm-11:50 am

1 stop23h 00m

Chicago O'Hare Intl

Thu 10/23

5:15 pm-11:10 am

Nonstop9h 55m

$546

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 8/26

8:15 pm-2:15 pm

1 stop26h 00m

Chicago O'Hare Intl

Thu 9/4

4:30 pm-3:30 am

1 stop27h 00m

$550

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 6/24

8:00 pm-3:55 pm

1 stop27h 55m

Chicago O'Hare Intl

Sat 6/28

4:45 pm-12:05 pm

1 stop35h 20m

$551

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 7/15

5:40 pm-11:55 am

1 stop26h 15m

Chicago O'Hare Intl

Tue 7/29

4:50 pm-11:10 am

Nonstop10h 20m

$552

AthensChicago

ATH - MDW

ATHMDW

Athens Eleftherios V.

Sat 8/30

6:00 am-6:37 pm

2 stops20h 37m

Chicago Midway

Sat 10/4

1:00 pm-2:10 pm

2 stops17h 10m

$563

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 8/26

6:00 am-4:13 pm

2 stops18h 13m

Chicago O'Hare Intl

Thu 9/4

5:10 pm-11:15 pm

1 stop22h 05m

$563

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 7/24

12:10 pm-8:16 pm

1 stop16h 06m

Chicago O'Hare Intl

Wed 8/6

10:40 am-10:05 am

1 stop15h 25m

$564

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 7/24

12:10 pm-8:16 pm

1 stop16h 06m

Chicago O'Hare Intl

Wed 8/6

10:40 am-10:05 am

1 stop15h 25m

$574

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 9/10

6:30 am-2:55 pm

1 stop16h 25m

Chicago O'Hare Intl

Mon 9/15

4:15 pm-10:30 am

Nonstop10h 15m

$575

AthensChicago

ATH - MDW

ATHMDW

Athens Eleftherios V.

Wed 11/12

6:00 am-6:07 pm

2 stops20h 07m

Chicago Midway

Tue 11/18

10:35 am-1:45 pm

2 stops19h 10m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, 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 June 12, 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 June 12, 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).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Athens to Illinois, such as Delta, KLM and LOT. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LOT
7.6
Good
1,077 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    One-way options have recently been found by users for as low as $395 on Air Serbia. Other airlines that offer cheap prices include Aer Lingus from $469 and Iberia from $582 one-way.

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

    The top 3 most reliable airlines when flying from Athens to Illinois are Finnair (91%), United Airlines (87%) and Lufthansa (87%).

  • What are the cheapest flights from Athens to Illinois?

    Looking at all options, your cheapest flight can be booked for $363. While the most popular route (Athens Eleftherios V. - Chicago O'Hare Intl) can be booked for $477 on average our data indicates $1,580 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 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$482Average$694FlexibilityNo cancel feeOn-time75%
LOTCheapest$487Average$674FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$488Average$684FlexibilityNo cancel feeOn-time70%
DeltaCheapest$492Average$565FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$496Average$623FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$497Average$730FlexibilityNo cancel feeOn-time71%
IberiaCheapest$511Average$688FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$517Average$557FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$547Average$700FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$549Average$717FlexibilityNo cancel feeOn-time76%

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