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REX to CEI: distance & flight time
Reynosa (General Lucio Blanco International Airport) → Chiang Rai (Chiang Rai International Airport)
9,037 mi
14,543 km · 7,853 nm
18h 11m
estimated nonstop flight time
+13h
time difference · heading northwest
See live REX→CEI fares Phone-only fares on this route — call free
Flight time details
9,037 miles nonstop takes roughly 18h 11m 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
- REX — General Lucio Blanco International Airport · Reynosa, Mexico
- 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 REX
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 REX from CEI?
The flight distance from Reynosa (REX) to Chiang Rai (CEI) is 9,037 miles (14,543 km, 7,853 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from REX to CEI?
A nonstop flight takes about 18h 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 Reynosa and Chiang Rai?
Chiang Rai is 13 hours ahead of Reynosa.
What is the cheapest way to fly from REX to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on REX–CEI that never appear on search engines, with no booking fees.