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RUI to CEI: distance & flight time
Ruidoso (Sierra Blanca Regional Airport) → Chiang Rai (Chiang Rai International Airport)
8,384 mi
13,492 km · 7,285 nm
16h 54m
estimated nonstop flight time
+13h
time difference · heading northwest
See live RUI→CEI fares Phone-only fares on this route — call free
Flight time details
8,384 miles nonstop takes roughly 16h 54m 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
- RUI — Sierra Blanca Regional Airport · Ruidoso, 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 RUI
- ALM · Alamogordo White Sands Regional Airport50 mi away
- HMN · Holloman Air Force Base54 mi away
- ROW · Roswell International Air Center Airport59 mi away
- WSD · Condron Army Air Field92 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 RUI from CEI?
The flight distance from Ruidoso (RUI) to Chiang Rai (CEI) is 8,384 miles (13,492 km, 7,285 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RUI to CEI?
A nonstop flight takes about 16h 54m 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 Ruidoso and Chiang Rai?
Chiang Rai is 13 hours ahead of Ruidoso.
What is the cheapest way to fly from RUI to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RUI–CEI that never appear on search engines, with no booking fees.