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FNL to ATH: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Athens (Eleftherios Venizelos International Airport)
6,133 mi
9,870 km · 5,330 nm
12h 30m
estimated nonstop flight time
+9h
time difference · heading northeast
See live FNL→ATH fares Phone-only fares on this route — call free
Flight time details
6,133 miles nonstop takes roughly 12h 30m 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
- FNL — Northern Colorado Regional Airport · Fort Collins, 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 FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan 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 FNL from ATH?
The flight distance from Fort Collins (FNL) to Athens (ATH) is 6,133 miles (9,870 km, 5,330 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to ATH?
A nonstop flight takes about 12h 30m 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 Fort Collins and Athens?
Athens is 9 hours ahead of Fort Collins.
What is the cheapest way to fly from FNL to ATH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–ATH that never appear on search engines, with no booking fees.