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PWM to CEI: distance & flight time
Portland (Portland International Jetport Airport) → Chiang Rai (Chiang Rai International Airport)
7,999 mi
12,873 km · 6,951 nm
16h 9m
estimated nonstop flight time
+11h
time difference · heading north
See live PWM→CEI fares Phone-only fares on this route — call free
Flight time details
7,999 miles nonstop takes roughly 16h 9m 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
- PWM — Portland International Jetport Airport · Portland, 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 PWM
- NHZ · Brunswick Executive Airport25 mi away
- LEW · Auburn Lewiston Municipal Airport28 mi away
- FRY · Eastern Slopes Regional Airport40 mi away
- PSM · Portsmouth International at Pease Airport47 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 PWM from CEI?
The flight distance from Portland (PWM) to Chiang Rai (CEI) is 7,999 miles (12,873 km, 6,951 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PWM to CEI?
A nonstop flight takes about 16h 9m 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 11 hours ahead of Portland.
What is the cheapest way to fly from PWM to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PWM–CEI that never appear on search engines, with no booking fees.