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PHN to CEI: distance & flight time
Port Huron (St Clair County International Airport) → Chiang Rai (Chiang Rai International Airport)
8,091 mi
13,021 km · 7,031 nm
16h 20m
estimated nonstop flight time
+11h
time difference · heading north
See live PHN→CEI fares Phone-only fares on this route — call free
Flight time details
8,091 miles nonstop takes roughly 16h 20m 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
- PHN — St Clair County International Airport · Port Huron, 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 PHN
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 PHN from CEI?
The flight distance from Port Huron (PHN) to Chiang Rai (CEI) is 8,091 miles (13,021 km, 7,031 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to CEI?
A nonstop flight takes about 16h 20m 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 Port Huron and Chiang Rai?
Chiang Rai is 11 hours ahead of Port Huron.
What is the cheapest way to fly from PHN to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–CEI that never appear on search engines, with no booking fees.