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SIR to OSF: distance & flight time
Sion (Sion Airport) → Moscow (Ostafyevo International Airport)
1,449 mi
2,332 km · 1,259 nm
3h 37m
estimated nonstop flight time
+1h
time difference · heading northeast
See live SIR→OSF fares Phone-only fares on this route — call free
Flight time details
1,449 miles nonstop takes roughly 3h 37m gate to gate, flying northeast. 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
- OSF — Ostafyevo International Airport · Moscow, Russia
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 OSF
- VKO · Vnukovo International Airport11 mi away
- DME · Domodedovo International Airport17 mi away
- BKA · Bykovo Airport23 mi away
- ZIA · Zhukovsky International Airport25 mi away
Frequently asked questions
How far is SIR from OSF?
The flight distance from Sion (SIR) to Moscow (OSF) is 1,449 miles (2,332 km, 1,259 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to OSF?
A nonstop flight takes about 3h 37m 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 Moscow?
Moscow is 1 hour ahead of Sion.
What is the cheapest way to fly from SIR to OSF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–OSF that never appear on search engines, with no booking fees.