What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

What is the most punctual flight time for Chicago to Athens flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Which airline has the best punctuality record on Chicago to Athens flights?

Over the past year, American Airlines have had the lowest number of delays on this route, with just 21% of flights being delayed.

How often are flights from Chicago to Athens delayed?

About 24% of weekly flights between Chicago and Athens have experienced delays in the past year, with the average delay time being 187 minutes.

How long is the flight from Chicago O'Hare Intl Airport to Athens?

Delta, Scandinavian Airlines, and United Airlines can get you from Chicago O'Hare Intl Airport to Athens in just under 13h. Your travel time can differ by up to 8h 07m. There are 5446 mi between Chicago O'Hare Intl Airport and Athens. This flight may include one or multiple stops.

Weekly flight availability from Chicago O'Hare Intl Airport to Athens

The most flights from ORD to ATH are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

In terms of precipitation, rainfall in Athens ranges from 5.0 - 64.0 inches per month. December is typically the wettest month, when rainfall can reach 64.0 mm. July is typically the driest time to visit Athens when rainfall is around 5.0 mm.

If weather is an important factor for your trip to Athens, 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 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.0 C).

What are the most reliable airlines from Chicago O'Hare Intl Airport to Athens?

Consider American Airlines (65%), Alaska Airlines (65%) or Finnair (65%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Athens.

What airport do you fly into for flights to Athens from Chicago O'Hare Intl?

If you book a flight to Athens from Chicago O'Hare Intl, you will be flying to Eleftherios V., which is the city’s only airport. Athens Eleftherios V. (ATH) is located 12.3 mi from the center of Athens. There are 6 flights from Chicago O'Hare Intl to Eleftherios V. per day from 0 different airlines.

Can I find deals for flights from O'Hare Intl to Athens that include hotel bookings?

Yes. In addition to deals on O'Hare Intl to Athens flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from O'Hare Intl to Athens?

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

Can I find deals for business class flights from O'Hare Intl to Athens?

Yes. Cheapflights offers flight deals from O'Hare Intl to Athens by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£185+ Cheap Flights from Chicago O'Hare Intl Airport to Athens

Cheap flight deals from O'Hare Intl to Athens

Enter your travel dates to find the best prices.

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Cheapest flights from O'Hare Intl to Athens
Explore the most affordable flight options available from O'Hare Intl to Athens. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Sun 8/1111:45 -

1 stop12h 55m

Fri 13/1106:55 -

1 stop19h 25m

Deal found 15/10£540

Sat 7/1121:15 -

1 stop31h 00m

Tue 10/1111:35 -

1 stop30h 25m

Deal found 14/10£545

Sun 1/1119:10 -

1 stop17h 00m

Thu 12/1119:30 -

1 stop29h 15m

Deal found 13/10£546

Fri 6/1112:45 -

1 stop11h 55m

Wed 25/1111:35 -

1 stop14h 45m

Deal found 13/10£551

Sun 1/1119:10 -

1 stop17h 00m

Wed 18/1119:30 -

1 stop29h 15m

Deal found 14/10£558

Wed 4/1112:45 -

1 stop24h 15m

Mon 9/1121:50 -

1 stop20h 10m

Deal found 13/10£559

Thu 5/1121:15 -

1 stop27h 25m

Sat 7/1115:45 -

1 stop26h 15m

Deal found 13/10£560

Tue 17/1119:10 -

2 stops31h 25m

Tue 1/1208:30 -

2 stops16h 15m

Deal found 11/10£561

Thu 10/1210:38 -

2 stops21h 07m

Sun 21/211:25 -

2 stops37h 20m

Deal found 11/10£562

Thu 31/1219:10 -

1 stop12h 35m

Wed 13/114:10 -

1 stop34h 35m

Deal found 12/10£563

Wed 4/1121:15 -

1 stop24h 50m

Sat 7/1115:45 -

1 stop26h 15m

Deal found 13/10£566

Thu 5/1121:15 -

1 stop31h 00m

Sun 8/1110:10 -

1 stop31h 50m

Deal found 14/10£568

Find flight deals from O'Hare Intl to Athens

Round-trip from	£534
One-way from	£185
Popular in	June
Cheapest in	February
Average price	£705

Scandinavian Airlines
6/4-17/4
2 total stops
61h 00m total
Chicago to Athens

Search Deals

11/1-31/12
2 total stops
17h 40m total
Chicago to Athens

Search Deals

Highest demand for flights based on searches. 28% potential increase in price (£208 potential increase over avg. return price).

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Cheapest flight prices on average. 5% potential price decrease (£29 potential savings vs. average return price).

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Average for round-trip flights in October 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Athens that are best for you.

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Cheapest return flight

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Tue 12/1

11:45-14:05

2 stops18h 20m

Athens Eleftherios V.

Wed 31/12

00:00-16:00

Nonstop0h 00m

£223

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Sat 13/3

15:45-10:00

1 stop34h 15m

Athens Eleftherios V.

Wed 31/12

00:00-16:00

Nonstop0h 00m

£248

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Tue 12/1

07:00-13:40

2 stops22h 40m

Athens Eleftherios V.

Wed 31/12

00:00-16:00

Nonstop0h 00m

£252

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Sat 9/1

19:56-11:00

2 stops31h 04m

Athens Eleftherios V.

Wed 31/12

00:00-16:00

Nonstop0h 00m

£252

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Sun 17/1

10:35-13:40

2 stops19h 05m

Athens Eleftherios V.

Wed 31/12

00:00-16:00

Nonstop0h 00m

£252

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Wed 13/1

10:40-13:40

2 stops19h 00m

Athens Eleftherios V.

Wed 31/12

00:00-16:00

Nonstop0h 00m

£252

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Sat 16/1

21:50-16:05

1 stop34h 15m

Athens Eleftherios V.

Wed 31/12

00:00-16:00

Nonstop0h 00m

£283

Fastest return journey

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Tue 10/11

11:45-12:15

1 stop16h 30m

Athens Eleftherios V.

Wed 31/12

00:00-16:00

Nonstop0h 00m

£340

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Thu 26/11

20:15-14:55

1 stop34h 40m

Athens Eleftherios V.

Wed 31/12

00:00-16:00

Nonstop0h 00m

£340

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Thu 3/12

11:45-12:15

1 stop16h 30m

Athens Eleftherios V.

Wed 31/12

00:00-16:00

Nonstop0h 00m

£340

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 23 resultsSorted by cheapest first

Best time to book a flight from O'Hare Intl to Athens

Have a flexible travel schedule? Discover the best time to fly to Athens from O'Hare Intl with our price prediction graph.

ORD-ATH

Estimated return 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 Chicago O'Hare Intl Airport to Athens

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Airlines

Delays

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Athens?

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Athens, you should look to book at least 4 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Athens?

Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Athens (average of £450). Flying from Chicago O'Hare Intl Airport to Athens in June is currently the most expensive (average of £1,114). 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 ORD to ATH?

When flying from Chicago O'Hare Intl Airport to Athens, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Chicago O'Hare Intl Airport to Athens?

Airfare is below average for this route at the moment.

Chicago O'Hare Intl Airport to Athens flights typically cost between £559 and £891 in April.
The cheapest return price found within the last 5 days was £534 on Scandinavian Airlines (6 Apr–17 Apr).

Related info for your journey

What airport do you fly into for flights to Athens from Chicago O'Hare Intl?
If you book a flight to Athens from Chicago O'Hare Intl, you will be flying to Eleftherios V., which is the city’s only airport. Athens Eleftherios V. (ATH) is located 12.3 mi from the center of Athens. There are 6 flights from Chicago O'Hare Intl to Eleftherios V. per day from 0 different airlines.
How long is the flight from Chicago O'Hare Intl Airport to Athens?
Delta, Scandinavian Airlines, and United Airlines can get you from Chicago O'Hare Intl Airport to Athens in just under 13h. Your travel time can differ by up to 8h 07m. There are 5446 mi between Chicago O'Hare Intl Airport and Athens. This flight may include one or multiple stops.
What are the most reliable airlines from Chicago O'Hare Intl Airport to Athens?
Consider American Airlines (65%), Alaska Airlines (65%) or Finnair (65%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Athens.
Can I find deals for flights from O'Hare Intl to Athens that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Athens flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Athens?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Athens.
Can I find deals for business class flights from O'Hare Intl to Athens?
Yes. Cheapflights offers flight deals from O'Hare Intl to Athens 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 Chicago O'Hare Intl Airport to Athens?
Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Athens (average of £450). Flying from Chicago O'Hare Intl Airport to Athens in June is currently the most expensive (average of £1,114). 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.

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When you search for this flight from O'Hare Intl to Athens, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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Millions of users choose and trust Cheapflights to book the best flight deals from O'Hare Intl to Athens for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from O'Hare Intl to Athens with no change fees?

Need flexible booking options for your flight to Athens from O'Hare Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Athens become cheaper?

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Cheap flights from Chicago O'Hare Intl Airport to Athens from £185

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from O'Hare Intl to Athens

Cheapest flights from O'Hare Intl to AthensExplore the most affordable flight options available from O'Hare Intl to Athens. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Explore the most affordable flight options available from O'Hare Intl to Athens. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Best flights from O'Hare Intl to AthensDiscover carefully curated flight deals from O'Hare Intl to Athens that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Discover carefully curated flight deals from O'Hare Intl to Athens that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Direct flights from O'Hare Intl to AthensExplore direct flight options from O'Hare Intl to Athens based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 October 2026.

Explore direct flight options from O'Hare Intl to Athens based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 October 2026.

Last-minute flights from O'Hare Intl to AthensDiscover last-minute flight deals from O'Hare Intl to Athens. Data last updated 15 October 2026 and is based on user searches.

Discover last-minute flight deals from O'Hare Intl to Athens. Data last updated 15 October 2026 and is based on user searches.

One-way flights from O'Hare Intl to AthensSearch for one-way flight options from O'Hare Intl to Athens. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

Search for one-way flight options from O'Hare Intl to Athens. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

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Best time to book a flight from O'Hare Intl to Athens

Have a flexible travel schedule? Discover the best time to fly to Athens from O'Hare Intl with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Athens?

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Athens, you should look to book at least 4 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Athens?

What is the cheapest time of day to fly from ORD to ATH?

When flying from Chicago O'Hare Intl Airport to Athens, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Chicago O'Hare Intl Airport to Athens?

Airfare is below average for this route at the moment.

Chicago O'Hare Intl Airport to Athens flights typically cost between £559 and £891 in April.The cheapest return price found within the last 5 days was £534 on Scandinavian Airlines (6 Apr–17 Apr).

Weekly flight availability from Chicago O'Hare Intl Airport to Athens

The most flights from ORD to ATH are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

How often are flights from Chicago to Athens delayed?

About 24% of weekly flights between Chicago and Athens have experienced delays in the past year, with the average delay time being 187 minutes.

What is the most punctual flight time for Chicago to Athens flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to Athens flights?

Over the past year, American Airlines have had the lowest number of delays on this route, with just 21% of flights being delayed.

Related info for your journey

What airport do you fly into for flights to Athens from Chicago O'Hare Intl?

How long is the flight from Chicago O'Hare Intl Airport to Athens?

What are the most reliable airlines from Chicago O'Hare Intl Airport to Athens?

Can I find deals for flights from O'Hare Intl to Athens that include hotel bookings?

How can I find direct flights from O'Hare Intl to Athens?

Can I find deals for business class flights from O'Hare Intl to Athens?

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Athens?

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Cheapest flights from O'Hare Intl to Athens
Explore the most affordable flight options available from O'Hare Intl to Athens. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Best flights from O'Hare Intl to Athens
Discover carefully curated flight deals from O'Hare Intl to Athens that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Direct flights from O'Hare Intl to Athens
Explore direct flight options from O'Hare Intl to Athens based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 October 2026.

Last-minute flights from O'Hare Intl to Athens
Discover last-minute flight deals from O'Hare Intl to Athens. Data last updated 15 October 2026 and is based on user searches.

One-way flights from O'Hare Intl to Athens
Search for one-way flight options from O'Hare Intl to Athens. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

Chicago O'Hare Intl Airport to Athens flights typically cost between £559 and £891 in April.
The cheapest return price found within the last 5 days was £534 on Scandinavian Airlines (6 Apr–17 Apr).