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RND to CEI: distance & flight time
San Antonio (Randolph Air Force Base) → Chiang Rai (Chiang Rai International Airport)
8,810 mi
14,179 km · 7,656 nm
17h 45m
estimated nonstop flight time
+12h
time difference · heading north
See live RND→CEI fares Phone-only fares on this route — call free
Flight time details
8,810 miles nonstop takes roughly 17h 45m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- RND — Randolph Air Force Base · San Antonio, 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 RND
- SAT · San Antonio International Airport11 mi away
- SSF · Stinson Municipal Airport18 mi away
- AUS · Austin Bergstrom International Airport59 mi away
- SKF · Lackland Air Force Base21 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 RND from CEI?
The flight distance from San Antonio (RND) to Chiang Rai (CEI) is 8,810 miles (14,179 km, 7,656 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RND to CEI?
A nonstop flight takes about 17h 45m 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 San Antonio and Chiang Rai?
Chiang Rai is 12 hours ahead of San Antonio.
What is the cheapest way to fly from RND to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RND–CEI that never appear on search engines, with no booking fees.