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RIW to CEI: distance & flight time
Riverton WY (Riverton Regional Airport) → Chiang Rai (Chiang Rai International Airport)
7,725 mi
12,432 km · 6,713 nm
15h 37m
estimated nonstop flight time
+13h
time difference · heading northwest
See live RIW→CEI fares Phone-only fares on this route — call free
Flight time details
7,725 miles nonstop takes roughly 15h 37m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- RIW — Riverton Regional Airport · Riverton WY, United States
- CEI — Chiang Rai International Airport · Chiang Rai, 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 RIW
- LND · Hunt Field22 mi away
- WRL · Worland Municipal Airport67 mi away
- PWY · Ralph Wenz Field71 mi away
- BPI · Miley Memorial Field90 mi away
Near CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
Frequently asked questions
How far is RIW from CEI?
The flight distance from Riverton WY (RIW) to Chiang Rai (CEI) is 7,725 miles (12,432 km, 6,713 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RIW to CEI?
A nonstop flight takes about 15h 37m 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 Riverton WY and Chiang Rai?
Chiang Rai is 13 hours ahead of Riverton WY.
What is the cheapest way to fly from RIW to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RIW–CEI that never appear on search engines, with no booking fees.