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CEI to ACH: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Altenrhein (St Gallen Altenrhein Airport)
5,226 mi
8,411 km · 4,542 nm
10h 43m
estimated nonstop flight time
-5h
time difference · heading northwest
See live CEI→ACH fares Phone-only fares on this route — call free
Flight time details
5,226 miles nonstop takes roughly 10h 43m 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
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- ACH — St Gallen Altenrhein Airport · Altenrhein, 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 CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
Near ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 mi away
Frequently asked questions
How far is CEI from ACH?
The flight distance from Chiang Rai (CEI) to Altenrhein (ACH) is 5,226 miles (8,411 km, 4,542 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to ACH?
A nonstop flight takes about 10h 43m 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 Rai and Altenrhein?
Altenrhein is 5 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to ACH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–ACH that never appear on search engines, with no booking fees.