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ORD to ATH: distance & flight time
Chicago (Chicago O'Hare International Airport) → Athens (Eleftherios Venizelos International Airport)
5,450 mi
8,770 km · 4,736 nm
11h 9m
estimated nonstop flight time
+8h
time difference · heading northeast
See live ORD→ATH fares Phone-only fares on this route — call free
Flight time details
5,450 miles nonstop takes roughly 11h 9m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- ORD — Chicago O'Hare International Airport · Chicago, United States
- ATH — Eleftherios Venizelos International Airport · Athens, Greece
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near ORD
- PWK · Chicago Executive Airport9 mi away
- MDW · Chicago Midway International Airport15 mi away
- CGX · Chicago Meigs Airport17 mi away
- DPA · Dupage Airport18 mi away
Near ATH
- HEW · Athen Helenikon Airport12 mi away
- PKH · Porto Cheli Airport62 mi away
- JSY · Syros Airport65 mi away
- SKU · Skiros Airport77 mi away
Frequently asked questions
How far is ORD from ATH?
The flight distance from Chicago (ORD) to Athens (ATH) is 5,450 miles (8,770 km, 4,736 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ORD to ATH?
A nonstop flight takes about 11h 9m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Chicago and Athens?
Athens is 8 hours ahead of Chicago.
What is the cheapest way to fly from ORD to ATH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ORD–ATH that never appear on search engines, with no booking fees.