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RKS to CEI: distance & flight time
Rock Springs (Southwest Wyoming Regional Airport) → Chiang Rai (Chiang Rai International Airport)
7,798 mi
12,550 km · 6,777 nm
15h 45m
estimated nonstop flight time
+13h
time difference · heading northwest
See live RKS→CEI fares Phone-only fares on this route — call free
Flight time details
7,798 miles nonstop takes roughly 15h 45m 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
- RKS — Southwest Wyoming Regional Airport · Rock Springs, 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 RKS
- FBR · Fort Bridger Airport71 mi away
- VEL · Vernal Regional Airport83 mi away
- LND · Hunt Field86 mi away
- BPI · Miley Memorial Field87 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 RKS from CEI?
The flight distance from Rock Springs (RKS) to Chiang Rai (CEI) is 7,798 miles (12,550 km, 6,777 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RKS to CEI?
A nonstop flight takes about 15h 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 Rock Springs and Chiang Rai?
Chiang Rai is 13 hours ahead of Rock Springs.
What is the cheapest way to fly from RKS to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RKS–CEI that never appear on search engines, with no booking fees.