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APA to ATH: distance & flight time
Denver (Centennial Airport) → Athens (Eleftherios Venizelos International Airport)
6,176 mi
9,939 km · 5,367 nm
12h 35m
estimated nonstop flight time
+9h
time difference · heading northeast
See live APA→ATH fares Phone-only fares on this route — call free
Flight time details
6,176 miles nonstop takes roughly 12h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- APA — Centennial Airport · Denver, 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 APA
- DEN · Denver International Airport22 mi away
- BFK · Buckley Air Force Base10 mi away
- BJC · Rocky Mountain Metropolitan Airport27 mi away
- WBU · Boulder Municipal Airport38 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 APA from ATH?
The flight distance from Denver (APA) to Athens (ATH) is 6,176 miles (9,939 km, 5,367 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from APA to ATH?
A nonstop flight takes about 12h 35m 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 Denver and Athens?
Athens is 9 hours ahead of Denver.
What is the cheapest way to fly from APA to ATH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on APA–ATH that never appear on search engines, with no booking fees.