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CNX to SIR: distance & flight time
Chiang Mai (Chiang Mai International Airport) → Sion (Sion Airport)
5,366 mi
8,636 km · 4,663 nm
10h 59m
estimated nonstop flight time
-5h
time difference · heading northwest
See live CNX→SIR fares Phone-only fares on this route — call free
Flight time details
5,366 miles nonstop takes roughly 10h 59m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- CNX — Chiang Mai International Airport · Chiang Mai, Thailand
- 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 CNX
- LPT · Lampang Airport49 mi away
- PYY · Mae Hong Son Airport54 mi away
- HGN · Mae Hong Son Airport74 mi away
- PRH · Phrae Airport90 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 CNX from SIR?
The flight distance from Chiang Mai (CNX) to Sion (SIR) is 5,366 miles (8,636 km, 4,663 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CNX to SIR?
A nonstop flight takes about 10h 59m 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 Chiang Mai and Sion?
Sion is 5 hours behind Chiang Mai.
What is the cheapest way to fly from CNX to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CNX–SIR that never appear on search engines, with no booking fees.