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CEI to ISN: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Williston (Sloulin Field International Airport)
7,510 mi
12,085 km · 6,526 nm
15h 11m
estimated nonstop flight time
-12h
time difference · heading north
See live CEI→ISN fares Phone-only fares on this route — call free
Flight time details
7,510 miles nonstop takes roughly 15h 11m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- ISN — Sloulin Field International Airport · Williston, 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 CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
Near ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Frequently asked questions
How far is CEI from ISN?
The flight distance from Chiang Rai (CEI) to Williston (ISN) is 7,510 miles (12,085 km, 6,526 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to ISN?
A nonstop flight takes about 15h 11m 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 Williston?
Williston is 12 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–ISN that never appear on search engines, with no booking fees.