Illinois

$433+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
May 24 — May 311
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Athens to Illinois 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.

Cheap 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 April 24, 2026.

This oojo deal was found by Cheapflights users on 4/24. 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 9/2312:10 pm
ATH
-
ORD
1 stop33h 00m
ITA Airways
Wed 9/303:00 pm
ORD
-
ATH
1 stop13h 30m
ITA Airways
Deal found 4/24$671
This Delta deal was found by Cheapflights users on 4/20. 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 5/26:00 am
ATH
-
ORD
1 stop16h 15m
Delta
Fri 5/810:30 am
ORD
-
ATH
1 stop13h 05m
Delta
Deal found 4/20$694
This Delta deal was found by Cheapflights users on 4/21. 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 11/286:05 am
ATH
-
ORD
2 stops20h 35m
Delta
Fri 12/410:40 am
ORD
-
ATH
2 stops18h 55m
Delta
Deal found 4/21$696
This Delta deal was found by Cheapflights users on 4/20. 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 5/66:00 am
ATH
-
MDW
2 stops20h 36m
Delta
Tue 5/121:22 pm
MDW
-
ATH
2 stops19h 08m
Delta
Deal found 4/20$701
This Gotogate deal was found by Cheapflights users on 4/21. 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 9/26:45 am
ATH
-
ORD
1 stop21h 10m
Lufthansa
Mon 9/710:30 pm
ORD
-
ATH
1 stop14h 30m
Lufthansa
Deal found 4/21$701
This Delta deal was found by Cheapflights users on 4/24. 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 5/146:00 am
ATH
-
ORD
1 stop16h 15m
Delta
Mon 5/257:00 am
ORD
-
ATH
1 stop16h 35m
Delta
Deal found 4/24$702
This Delta deal was found by Cheapflights users on 4/21. 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 9/216:00 am
ATH
-
ORD
1 stop16h 30m
Delta
Sat 11/1410:40 am
ORD
-
ATH
2 stops18h 55m
Delta
Deal found 4/21$703
This Delta deal was found by Cheapflights users on 4/23. 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 5/146:00 am
ATH
-
ORD
1 stop16h 15m
Delta
Thu 5/2810:25 am
ORD
-
ATH
1 stop13h 10m
Delta
Deal found 4/23$704
This Delta deal was found by Cheapflights users on 4/24. 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 5/146:00 am
ATH
-
MDW
2 stops20h 33m
Delta
Thu 5/286:23 am
MDW
-
ATH
2 stops17h 27m
Delta
Deal found 4/24$707
This KLM deal was found by Cheapflights users on 4/21. 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.
Sun 5/105:45 pm
ATH
-
ORD
1 stop28h 45m
KLM
Tue 5/266:07 am
ORD
-
ATH
1 stop17h 43m
KLM
Deal found 4/21$707
This Virgin Atlantic deal was found by Cheapflights users on 4/21. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:45 am
ATH
-
MDW
1 stop19h 24m
Virgin Atlantic
Thu 5/281:22 pm
MDW
-
ATH
2 stops15h 58m
Virgin Atlantic
Deal found 4/21$714
This Delta deal was found by Cheapflights users on 4/24. 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 5/216:00 am
ATH
-
MDW
2 stops19h 56m
Delta
Thu 5/286:23 am
MDW
-
ATH
2 stops17h 27m
Delta
Deal found 4/24$719

Find flight deals from Athens to Illinois

Keep the following information in mind while searching for Athens to Illinois flight deals. Data was last updated April 24, 2026.

Round-trip from

$694
(Delta)

One-way from

$432
(Kiwi.com)

Popular in

April

Cheapest in

November

Average price

$854

Good round-trip deal

$768 or less

Good one-way deal

$609 or less
From Athens Eleftherios V. to Illinois
One-way flight from Athens Eleftherios V. to Illinois
Highest demand for flights based on searches. 6% potential increase in price ($46 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Athens Eleftherios V. to Illinois.
Price to beat on a one-way flight from Athens Eleftherios V. to Illinois.

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 April 24, 2026.
Use the filters below to find and compare flights from Athens to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AthensChicago

ATH - MDW

ATHMDW

Athens Eleftherios V.

Wed 5/6

9:45 am-10:28 pm

1 stop20h 43m

Chicago Midway

Tue 5/12

9:22 am-12:50 pm

2 stops19h 28m

$704

AthensChicago

ATH - MDW

ATHMDW

Athens Eleftherios V.

Thu 5/14

6:00 am-5:56 pm

2 stops19h 56m

Chicago Midway

Thu 5/28

6:23 am-7:50 am

2 stops17h 27m

$709

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 5/9

6:00 am-7:33 pm

2 stops21h 33m

Chicago O'Hare Intl

Mon 5/25

7:00 am-7:35 am

1 stop16h 35m

$711

AthensChicago

ATH - MDW

ATHMDW

Athens Eleftherios V.

Thu 5/14

9:45 am-9:09 pm

1 stop19h 24m

Chicago Midway

Thu 5/28

1:22 pm-1:20 pm

2 stops15h 58m

$712

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 8/28

6:00 am-2:15 pm

1 stop16h 15m

Chicago O'Hare Intl

Tue 9/15

5:10 pm-1:40 pm

1 stop12h 30m

$713

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 8/28

6:00 am-2:15 pm

1 stop16h 15m

Chicago O'Hare Intl

Tue 9/15

1:30 pm-1:40 pm

2 stops16h 10m

$713

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 5/10

10:05 am-11:59 pm

2 stops21h 54m

Chicago O'Hare Intl

Tue 5/26

8:42 am-1:20 pm

2 stops20h 38m

$714

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 6/10

6:00 am-2:30 pm

1 stop16h 30m

Chicago O'Hare Intl

Mon 6/22

5:30 am-11:00 am

1 stop21h 30m

$716

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 6/11

6:00 am-2:15 pm

1 stop16h 15m

Chicago O'Hare Intl

Tue 6/23

8:03 am-11:00 am

1 stop18h 57m

$718

AthensChicago

ATH - MDW

ATHMDW

Athens Eleftherios V.

Wed 9/2

6:00 am-6:31 pm

2 stops20h 31m

Chicago Midway

Mon 9/7

6:00 am-10:00 am

1 stop20h 00m

$719

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

Showing 1-10 of 40 resultsSorted by cheapest first
1
2
3
4

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

How far ahead should I book a flight from Athens to Illinois?

Booking 7 days in advance of your planned departure date is, on average, the best time to get cheap flights from Athens to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, July is the cheapest month in which you can book a flight from Athens to Illinois (average of $341). Flying from Athens to Illinois in August is currently the most expensive (average of $1,325). 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 April 24, 2026.

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 April 24, 2026.

The most flights from ATH to USIL are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 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 April 24, 2026.
See what other customers who have flown with United Airlines,American Airlines, andIberia 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.

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 $702, Delta can have you in Illinois from Athens in 16h 15m. The distance between Athens and Illinois is about 5446 mi. This flight may include one or multiple stops.

  • 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 $252 on Air Serbia. Other airlines that offer cheap prices include American Airlines from $359 and Iberia from $362 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 Air Canada (100%), United Airlines (100%) and Lufthansa (100%).

  • What are the cheapest flights from Athens to Illinois?

    Looking at all options, your cheapest flight can be booked for $535. While the most popular route (Athens Eleftherios V. - Chicago O'Hare Intl) can be booked for $701 on average, our data indicates $1,223 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, July is the cheapest month in which you can book a flight from Athens to Illinois (average of $341). Flying from Athens to Illinois in August is currently the most expensive (average of $1,325). 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

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.

Top 8 airlines flying from Athens to Illinois

Discover the top 8 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 April 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$492Average$707FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$504Average$709FlexibilityNo cancel feeOn-time71%
IberiaCheapest$511Average$697FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$515Average$692FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$530Average$715FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$561Average$718FlexibilityNo cancel feeOn-time69%
SWISSCheapest$562Average$602FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$595Average$800FlexibilityNo 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.