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SEP to ATH: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Athens (Eleftherios Venizelos International Airport)
6,326 mi
10,180 km · 5,497 nm
12h 52m
estimated nonstop flight time
+8h
time difference · heading northeast
See live SEP→ATH fares Phone-only fares on this route — call free
Flight time details
6,326 miles nonstop takes roughly 12h 52m 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
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 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 SEP from ATH?
The flight distance from Stephenville (SEP) to Athens (ATH) is 6,326 miles (10,180 km, 5,497 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to ATH?
A nonstop flight takes about 12h 52m 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 Stephenville and Athens?
Athens is 8 hours ahead of Stephenville.
What is the cheapest way to fly from SEP to ATH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–ATH that never appear on search engines, with no booking fees.