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OLS to CEI: distance & flight time
Nogales (Nogales International Airport) → Chiang Rai (Chiang Rai International Airport)
8,345 mi
13,429 km · 7,251 nm
16h 50m
estimated nonstop flight time
+14h
time difference · heading northwest
See live OLS→CEI fares Phone-only fares on this route — call free
Flight time details
8,345 miles nonstop takes roughly 16h 50m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- OLS — Nogales International Airport · Nogales, 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 OLS
- NOG · Nogales International Airport15 mi away
- FHU · Sierra Vista Municipal Libby Army Air Field32 mi away
- TUS · Tucson International Airport49 mi away
- DMA · Davis Monthan Air Force Base52 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 OLS from CEI?
The flight distance from Nogales (OLS) to Chiang Rai (CEI) is 8,345 miles (13,429 km, 7,251 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OLS to CEI?
A nonstop flight takes about 16h 50m 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 Nogales and Chiang Rai?
Chiang Rai is 14 hours ahead of Nogales.
What is the cheapest way to fly from OLS to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OLS–CEI that never appear on search engines, with no booking fees.