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OIR to CEI: distance & flight time
Okushiri (Okushiri Airport) → Chiang Rai (Chiang Rai International Airport)
2,760 mi
4,442 km · 2,398 nm
5h 53m
estimated nonstop flight time
-2h
time difference · heading west
See live OIR→CEI fares Phone-only fares on this route — call free
Flight time details
2,760 miles nonstop takes roughly 5h 53m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- OIR — Okushiri Airport · Okushiri, Japan
- 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 OIR
- HKD · Hakodate Airport74 mi away
- AOJ · Aomori Airport113 mi away
- OKD · Okadama Airport123 mi away
- CTS · New Chitose Airport125 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 OIR from CEI?
The flight distance from Okushiri (OIR) to Chiang Rai (CEI) is 2,760 miles (4,442 km, 2,398 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OIR to CEI?
A nonstop flight takes about 5h 53m 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 Okushiri and Chiang Rai?
Chiang Rai is 2 hours behind Okushiri.
What is the cheapest way to fly from OIR to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIR–CEI that never appear on search engines, with no booking fees.