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Unpublished phone-only deals available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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–OSF that never appear on search engines, with no booking fees.