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SIR to BTM: distance & flight time
Sion (Sion Airport) → Butte (Bert Mooney Airport)
5,096 mi
8,201 km · 4,428 nm
10h 28m
estimated nonstop flight time
-8h
time difference · heading northwest
See live SIR→BTM fares Phone-only fares on this route — call free
Flight time details
5,096 miles nonstop takes roughly 10h 28m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- BTM — Bert Mooney Airport · Butte, United States
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 BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 mi away
Frequently asked questions
How far is SIR from BTM?
The flight distance from Sion (SIR) to Butte (BTM) is 5,096 miles (8,201 km, 4,428 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to BTM?
A nonstop flight takes about 10h 28m 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 Butte?
Butte is 8 hours behind Sion.
What is the cheapest way to fly from SIR to BTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–BTM that never appear on search engines, with no booking fees.