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RST to CEI: distance & flight time
Rochester (Rochester International Airport) → Chiang Rai (Chiang Rai International Airport)
7,955 mi
12,803 km · 6,913 nm
16h 4m
estimated nonstop flight time
+12h
time difference · heading north
See live RST→CEI fares Phone-only fares on this route — call free
Flight time details
7,955 miles nonstop takes roughly 16h 4m 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
- RST — Rochester International Airport · Rochester, 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 RST
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 RST from CEI?
The flight distance from Rochester (RST) to Chiang Rai (CEI) is 7,955 miles (12,803 km, 6,913 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RST to CEI?
A nonstop flight takes about 16h 4m 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 Rochester and Chiang Rai?
Chiang Rai is 12 hours ahead of Rochester.
What is the cheapest way to fly from RST to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RST–CEI that never appear on search engines, with no booking fees.