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SIR to ATH: distance & flight time
Sion (Sion Airport) → Athens (Eleftherios Venizelos International Airport)
1,023 mi
1,647 km · 889 nm
2h 41m
estimated nonstop flight time
+1h
time difference · heading southeast
See live SIR→ATH fares Phone-only fares on this route — call free
Flight time details
1,023 miles nonstop takes roughly 2h 41m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- 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 SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 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 SIR from ATH?
The flight distance from Sion (SIR) to Athens (ATH) is 1,023 miles (1,647 km, 889 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to ATH?
A nonstop flight takes about 2h 41m 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 Sion and Athens?
Athens is 1 hour ahead of Sion.
What is the cheapest way to fly from SIR to ATH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–ATH that never appear on search engines, with no booking fees.