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CEI to YSM: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Fort Smith (Fort Smith Airport)
6,629 mi
10,668 km · 5,760 nm
13h 28m
estimated nonstop flight time
-13h
time difference · heading north
See live CEI→YSM fares Phone-only fares on this route — call free
Flight time details
6,629 miles nonstop takes roughly 13h 28m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- YSM — Fort Smith Airport · Fort Smith, Canada
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 YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 mi away
Frequently asked questions
How far is CEI from YSM?
The flight distance from Chiang Rai (CEI) to Fort Smith (YSM) is 6,629 miles (10,668 km, 5,760 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to YSM?
A nonstop flight takes about 13h 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 Chiang Rai and Fort Smith?
Fort Smith is 13 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–YSM that never appear on search engines, with no booking fees.