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SIR to KDT: distance & flight time
Sion (Sion Airport) → Nakhon Pathom (Kamphaeng Saen Airport)
5,640 mi
9,077 km · 4,901 nm
11h 32m
estimated nonstop flight time
+5h
time difference · heading east
See live SIR→KDT fares Phone-only fares on this route — call free
Flight time details
5,640 miles nonstop takes roughly 11h 32m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- KDT — Kamphaeng Saen Airport · Nakhon Pathom, Thailand
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 KDT
- DMK · Don Mueang International Airport48 mi away
- BKK · Suvarnabhumi Airport63 mi away
- TKH · Takhli Airport85 mi away
- HHQ · Hua Hin Airport101 mi away
Frequently asked questions
How far is SIR from KDT?
The flight distance from Sion (SIR) to Nakhon Pathom (KDT) is 5,640 miles (9,077 km, 4,901 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to KDT?
A nonstop flight takes about 11h 32m 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 Nakhon Pathom?
Nakhon Pathom is 5 hours ahead of Sion.
What is the cheapest way to fly from SIR to KDT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–KDT that never appear on search engines, with no booking fees.