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CEI to HIO: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Hillsboro (Portland Hillsboro Airport)
7,175 mi
11,547 km · 6,235 nm
14h 32m
estimated nonstop flight time
-14h
time difference · heading northeast
See live CEI→HIO fares Phone-only fares on this route — call free
Flight time details
7,175 miles nonstop takes roughly 14h 32m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- HIO — Portland Hillsboro Airport · Hillsboro, United States
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 CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
Near HIO
- PDX · Portland International Airport17 mi away
- TTD · Portland Troutdale Airport27 mi away
- KLS · Southwest Washington Regional Airport40 mi away
- OTK · Tillamook Airport43 mi away
Frequently asked questions
How far is CEI from HIO?
The flight distance from Chiang Rai (CEI) to Hillsboro (HIO) is 7,175 miles (11,547 km, 6,235 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to HIO?
A nonstop flight takes about 14h 32m 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 Chiang Rai and Hillsboro?
Hillsboro is 14 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to HIO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–HIO that never appear on search engines, with no booking fees.