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ATY to SIR: distance & flight time
Watertown (Watertown Regional Airport) → Sion (Sion Airport)
4,644 mi
7,474 km · 4,036 nm
9h 34m
estimated nonstop flight time
+7h
time difference · heading northeast
See live ATY→SIR fares Phone-only fares on this route — call free
Flight time details
4,644 miles nonstop takes roughly 9h 34m 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
- ATY — Watertown Regional Airport · Watertown, United States
- SIR — Sion Airport · Sion, Switzerland
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 ATY
- HON · Huron Regional Airport64 mi away
- ABR · Aberdeen Regional Airport72 mi away
- MHE · Mitchell Municipal Airport90 mi away
- FSD · Joe Foss Field Airport94 mi away
Near SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
Frequently asked questions
How far is ATY from SIR?
The flight distance from Watertown (ATY) to Sion (SIR) is 4,644 miles (7,474 km, 4,036 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATY to SIR?
A nonstop flight takes about 9h 34m 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 Watertown and Sion?
Sion is 7 hours ahead of Watertown.
What is the cheapest way to fly from ATY to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATY–SIR that never appear on search engines, with no booking fees.