Given below is the flight time from Chicago, Il, United States to Athens, Greece. Flight time calculator to calculate time taken to reach Athens from Chicago, Il by air. The nearest airport to Chicago, Il is Chicago O'hare International Airport (ORD) and the nearest airport to Athens is Eleftherios Venizelos Airport (ATH)

Departure
Chicago, Il Arrival
Athens

Flight time from Chicago, Il to Athens is 12 hours 20 minutes

One stop flight time from ORD to ATH via LHR is 12 hours 20 minutes (Operated by British Airways)

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RELATED: Flight time from Athens to Chicago, Il

Direct flights with stop-over takes between 12 hours to 14 hours hours based stopover city.

Waiting time at stopover destination while flying from Chicago, Il to Athens is between 12 hours to 14 hours based on airline you choose.

Number of Airports in Athens : 1 International Airport
Number of Airports in Chicago, Il : 1 International Airport

Distance Between Chicago, Il, United States & Athens, Greece is 8770 Kilo Meters

Flight time from Chicago, Il to Athens via Paris • ORD to ATH via CDG

Flight duration from Chicago O'hare International Airport to Eleftherios Venizelos Airport via Charles De Gaulle Airport, France on Delta Air Lines flight is 13 hours 6 minutes

ORD to CDG
8 hrs 31 mins

CDG
Waiting Time
1 hr 20 mins

CDG to ATH
3 hrs 15 mins

Total Duration:
13 hrs 6 mins

Flight time from Chicago, Il to Athens via London • ORD to ATH via LHR

Flight duration from Chicago O'hare International Airport to Eleftherios Venizelos Airport via London Heathrow Airport, United Kingdom on British Airways flight is 12 hours 20 minutes

ORD to LHR
7 hrs 40 mins

LHR
Waiting Time
1 hr

LHR to ATH
3 hrs 40 mins

Total Duration:
12 hrs 20 mins

Flight time from Chicago, Il, United States to airports near Athens, Greece

Direct flight and one stop flight time from Chicago O'hare International Airport, Chicago, Il to airports nearest to Athens is given in the table below

Journey	Destination Airports	Duration	Stops
ORD - SKG	Thessaloniki, Macedonia International Airport	13 hrs 25 mins	1 Stop

This page shows Chicago, Il, United States to Athens, Greece. To change cities, click link below.

Chicago, Il, United States to Athens, United States

Airlines operating flights between Chicago, Il and Athens

American Airlines
Delta Air Lines
United Airlines

Chicago, Il time is 8 hours behind Athens

	Current time in Chicago, Il, United States : Fri, 19 Jun, 2026, Chicago, Il Timezone: CDT (-05:00)	07:23 AM
	Current time in Athens, Greece :, Fri, 19 Jun, 2026, Athens Timezone: EEST (+03:00)	03:23 PM

Flight Time between Chicago, Il & Athens • ORD - ATH Flight Duration

How long is the flight from Chicago, Il to Athens? What is the Chicago, Il - Athens flight duration? What is the flying time from Chicago, Il to Athens? Find answer to these questions...

ORD to ATH Flight - Chicago, Il Airport to Athens Airport Flight Route Map

The airports map below shows the location of Chicago, Il Airport & Athens Airport. Know the flight direction and Chicago, Il to Athens flight path

Chicago, Il - Lat: 41.9765, Long: -87.9051
Athens - Lat: 37.9364, Long: 23.9513

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