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OSS to SIR: distance & flight time
Osh (Osh Airport) → Sion (Sion Airport)
3,215 mi
5,173 km · 2,793 nm
6h 46m
estimated nonstop flight time
-4h
time difference · heading northwest
See live OSS→SIR fares Phone-only fares on this route — call free
Flight time details
3,215 miles nonstop takes roughly 6h 46m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time set-back when reading arrival times on your ticket.
The two airports
- OSS — Osh Airport · Osh, Kyrgyzstan
- 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 OSS
- AZN · Andizhan Airport27 mi away
- FEG · Fergana International Airport58 mi away
- NMA · Namangan Airport70 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 OSS from SIR?
The flight distance from Osh (OSS) to Sion (SIR) is 3,215 miles (5,173 km, 2,793 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSS to SIR?
A nonstop flight takes about 6h 46m 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 Osh and Sion?
Sion is 4 hours behind Osh.
What is the cheapest way to fly from OSS to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSS–SIR that never appear on search engines, with no booking fees.