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PTJ to CEI: distance & flight time
Portland (Portland Airport) → Chiang Rai (Chiang Rai International Airport)
4,845 mi
7,797 km · 4,210 nm
9h 58m
estimated nonstop flight time
-3h
time difference · heading northwest
See live PTJ→CEI fares Phone-only fares on this route — call free
Flight time details
4,845 miles nonstop takes roughly 9h 58m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- PTJ — Portland Airport · Portland, Australia
- 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 PTJ
- WMB · Warrnambool Airport53 mi away
- MGB · Mount Gambier Airport54 mi away
- HLT · Hamilton Airport56 mi away
- NAC · Naracoorte Airport101 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 PTJ from CEI?
The flight distance from Portland (PTJ) to Chiang Rai (CEI) is 4,845 miles (7,797 km, 4,210 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PTJ to CEI?
A nonstop flight takes about 9h 58m 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 Portland and Chiang Rai?
Chiang Rai is 3 hours behind Portland.
What is the cheapest way to fly from PTJ to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PTJ–CEI that never appear on search engines, with no booking fees.