Need help booking?
Unpublished phone-only deals available
ISM to ATH: distance & flight time
Kissimmee (Kissimmee Gateway Airport) → Athens (Eleftherios Venizelos International Airport)
5,793 mi
9,324 km · 5,034 nm
11h 50m
estimated nonstop flight time
+7h
time difference · heading northeast
See live ISM→ATH fares Phone-only fares on this route — call free
Flight time details
5,793 miles nonstop takes roughly 11h 50m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- ISM — Kissimmee Gateway Airport · Kissimmee, 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 ISM
- MCO · Orlando International Airport12 mi away
- ORL · Orlando Executive Airport19 mi away
- GIF · Winter Haven Regional Airport - Gilbert Field25 mi away
- TPA · Tampa International Airport70 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 ISM from ATH?
The flight distance from Kissimmee (ISM) to Athens (ATH) is 5,793 miles (9,324 km, 5,034 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISM to ATH?
A nonstop flight takes about 11h 50m 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 Kissimmee and Athens?
Athens is 7 hours ahead of Kissimmee.
What is the cheapest way to fly from ISM to ATH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISM–ATH that never appear on search engines, with no booking fees.