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RDG to CEI: distance & flight time
Reading (Reading Regional Carl A Spaatz Field) → Chiang Rai (Chiang Rai International Airport)
8,260 mi
13,293 km · 7,178 nm
16h 40m
estimated nonstop flight time
+11h
time difference · heading north
See live RDG→CEI fares Phone-only fares on this route — call free
Flight time details
8,260 miles nonstop takes roughly 16h 40m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- RDG — Reading Regional Carl A Spaatz Field · Reading, 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 RDG
- PHL · Philadelphia International Airport52 mi away
- LNS · Lancaster Airport25 mi away
- CTH · Chester County G O Carlson Airport28 mi away
- UKT · Quakertown Airport31 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 RDG from CEI?
The flight distance from Reading (RDG) to Chiang Rai (CEI) is 8,260 miles (13,293 km, 7,178 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDG to CEI?
A nonstop flight takes about 16h 40m 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 Reading and Chiang Rai?
Chiang Rai is 11 hours ahead of Reading.
What is the cheapest way to fly from RDG to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDG–CEI that never appear on search engines, with no booking fees.