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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–OIR that never appear on search engines, with no booking fees.