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OSF to CEI: distance & flight time
Moscow (Ostafyevo International Airport) → Chiang Rai (Chiang Rai International Airport)
4,016 mi
6,463 km · 3,490 nm
8h 20m
estimated nonstop flight time
+4h
time difference · heading east
See live OSF→CEI fares Phone-only fares on this route — call free
Flight time details
4,016 miles nonstop takes roughly 8h 20m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- OSF — Ostafyevo International Airport · Moscow, Russia
- 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 OSF
- VKO · Vnukovo International Airport11 mi away
- DME · Domodedovo International Airport17 mi away
- BKA · Bykovo Airport23 mi away
- ZIA · Zhukovsky International Airport25 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 OSF from CEI?
The flight distance from Moscow (OSF) to Chiang Rai (CEI) is 4,016 miles (6,463 km, 3,490 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSF to CEI?
A nonstop flight takes about 8h 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 Moscow and Chiang Rai?
Chiang Rai is 4 hours ahead of Moscow.
What is the cheapest way to fly from OSF to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSF–CEI that never appear on search engines, with no booking fees.