HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$498+ Cheap flights from Athens (ATH) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
may. 6 — may. 131
mar. 5/6
mar. 5/13
1 adult, Economy
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

Keep the following information in mind while searching for Athens to Illinois flight deals. Data was last updated mayo 1, 2025.

Round-trip from

$498
(American Airlines)

Popular in

October

Cheapest in

November

Average price

$634

Good round-trip deal

$583 or less

Good one-way deal

$587 or less
From Athens Eleftherios V. to Illinois
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals
Price to beat on a round-trip flight from Athens Eleftherios V. to Illinois.
Search Deals
Price to beat on a one-way flight from Athens Eleftherios V. to Illinois.
Search Deals

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 mayo 1, 2025.

This British Airways deal was found by Cheapflights users on 4/30. 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.
jue. 6/121:00 pmATH - ORD
1 stop15h 09mBritish Airways
sáb. 6/288:30 pmORD - ATH
1 stop15h 20mBritish Airways
Deal found 4/30$499
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/61:00 pmATH - ORD
1 stop15h 33mMultiple Airlines
lun. 5/128:30 pmORD - ATH
1 stop14h 40mMultiple Airlines
Deal found 4/29$503
This American Airlines deal was found by Cheapflights users on 4/29. 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.
mar. 5/273:55 pmATH - ORD
2 stops26h 46mAmerican Airlines
sáb. 6/74:59 pmORD - ATH
2 stops23h 56mAmerican Airlines
Deal found 4/29$509
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/151:00 pmATH - ORD
1 stop15h 33mIberia
lun. 5/1911:45 amORD - ATH
1 stop14h 15mIberia
Deal found 4/29$519
This United Airlines deal was found by Cheapflights users on 4/29. 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.
jue. 6/126:45 amATH - ORD
2 stops21h 35mUnited Airlines
sáb. 6/2810:50 amORD - ATH
2 stops16h 00mUnited Airlines
Deal found 4/29$569
This Delta deal was found by Cheapflights users on 4/29. 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.
jue. 5/296:00 amATH - ORD
1 stop16h 10mDelta
mar. 6/107:00 amORD - ATH
1 stop16h 00mDelta
Deal found 4/29$576
This Air Canada deal was found by Cheapflights users on 4/29. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/176:40 amATH - ORD
2 stops19h 35mAir Canada
dom. 9/710:40 amORD - ATH
1 stop15h 25mAir Canada
Deal found 4/29$579
This Delta deal was found by Cheapflights users on 4/29. 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.
mié. 9/106:00 amATH - MDW
2 stops20h 36mDelta
sáb. 9/201:05 pmMDW - ATH
1 stop13h 50mDelta
Deal found 4/29$588
This Finnair deal was found by Cheapflights users on 4/29. 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.
jue. 6/1911:05 amATH - ORD
Nonstop11h 50mFinnair
dom. 9/75:05 pmORD - ATH
Nonstop10h 05mFinnair
Deal found 4/29$612
This Lufthansa deal was found by Cheapflights users on 4/29. 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.
dom. 6/156:00 amATH - ORD
2 stops14h 55mLufthansa
mié. 9/109:40 pmORD - ATH
1 stop17h 20mLufthansa
Deal found 4/29$614
This SWISS deal was found by Cheapflights users on 4/29. 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.
vie. 5/306:55 amATH - ORD
1 stop17h 00mSWISS
lun. 6/99:25 pmORD - ATH
2 stops19h 30mSWISS
Deal found 4/29$617
This Virgin Atlantic deal was found by Cheapflights users on 4/29. 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.
jue. 6/129:10 amATH - MDW
1 stop20h 35mVirgin Atlantic
sáb. 6/2810:26 amMDW - ATH
1 stop15h 44mVirgin Atlantic
Deal found 4/29$618

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 mayo 1, 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.

jue. 6/12

1:00 pm-8:09 pm

1 stop15h 09m

Chicago O'Hare Intl

sáb. 6/28

8:30 pm-7:50 pm

1 stop15h 20m

$499

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

lun. 5/26

8:45 pm-3:55 pm

1 stop27h 10m

Chicago O'Hare Intl

vie. 6/20

7:15 pm-2:00 am

1 stop22h 45m

$503

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

jue. 5/15

1:00 pm-8:33 pm

1 stop15h 33m

Chicago O'Hare Intl

lun. 5/19

11:45 am-10:00 am

1 stop14h 15m

$519

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

vie. 9/5

11:05 am-3:05 pm

Nonstop12h 00m

Chicago O'Hare Intl

dom. 12/14

8:45 pm-1:15 am

1 stop20h 30m

$560

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

jue. 6/12

6:45 am-8:20 pm

2 stops21h 35m

Chicago O'Hare Intl

sáb. 6/28

10:50 am-10:50 am

2 stops16h 00m

$569

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

jue. 5/29

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

mar. 6/10

7:00 am-7:00 am

1 stop16h 00m

$576

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

mar. 6/17

6:40 am-3:05 pm

2 stops16h 25m

Chicago O'Hare Intl

jue. 9/11

8:40 am-10:05 am

1 stop17h 25m

$579

AthensChicago

ATH - MDW

ATHMDW

Athens Eleftherios V.

mié. 9/10

6:00 am-6:36 pm

2 stops20h 36m

Chicago Midway

sáb. 9/20

1:05 pm-10:55 am

1 stop13h 50m

$588

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

jue. 6/19

11:05 am-2:55 pm

Nonstop11h 50m

Chicago O'Hare Intl

dom. 9/7

5:05 pm-11:10 am

Nonstop10h 05m

$612

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

dom. 6/15

6:00 am-12:55 pm

2 stops14h 55m

Chicago O'Hare Intl

mié. 9/10

9:40 pm-11:00 pm

1 stop17h 20m

$614

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 33 results
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

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 mayo 1, 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.

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 mayo 1, 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
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LOT
7.6
Good
1,069 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 $542 on Finnair. Other airlines that offer cheap prices include Aer Lingus from $544 and Air Serbia from $556 one-way.

  • What are the cheapest flights from Athens to Illinois?

    Looking at all options, your cheapest flight can be booked for $514. While the most popular route (Athens Eleftherios V. - Chicago O'Hare Intl) can be booked for $493 on average our data indicates $1,320 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

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 Athens to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Athens to Newark flights
Athens to John F Kennedy Intl flights
Athens to LaGuardia flights
Athens to O'Hare Intl flights
Athens to Boston flights
Athens to Los Angeles flights
Athens to Dulles Intl flights
Athens to San Francisco flights
Athens to Miami flights
Athens to Ontario flights
Athens to Atlanta flights
Athens to Philadelphia flights
Athens to West Palm Beach flights
Athens to Fort Lauderdale flights
Athens to Baltimore flights
Athens to Dallas/Fort Worth flights
Athens to Orlando flights
Athens to Reagan-National flights
Athens to Hobby flights
Athens to Denver flights
Athens to Las Vegas flights
Athens to Honolulu flights
Athens to Detroit flights
Athens to George Bush Intcntl flights
Athens to Seattle flights
Athens to San Jose flights
Athens to Tampa flights
Athens to San Diego flights
Athens to Sky Harbor Intl flights
Athens to New Orleans flights
Athens to Charlotte flights
Athens to Santa Ana flights
Athens to Nashville flights
Athens to Indianapolis flights
Athens to Pittsburgh flights
Athens to Columbus flights
Athens to Cleveland flights
Athens to Burbank flights
Athens to Norfolk flights
Athens to Minneapolis flights
Athens to Austin flights
Athens to Portland flights
Athens to Oakland flights
Athens to San Antonio flights
Athens to Ithaca flights
Athens to Salt Lake City flights

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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$474Average$783FlexibilityNo cancel feeOn-time76%
KLMCheapest$482Average$699FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$483Average$695FlexibilityNo cancel feeOn-time70%
LOTCheapest$487Average$674FlexibilityNo cancel feeOn-time81%
DeltaCheapest$493Average$567FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$496Average$623FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$497Average$765FlexibilityNo cancel feeOn-time71%
IberiaCheapest$516Average$698FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$517Average$560FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$546Average$703FlexibilityNo cancel feeOn-time69%

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.