Need help booking?
Unpublished phone-only deals available
MSO to CEI: distance & flight time
Missoula (Missoula International Airport) → Chiang Rai (Chiang Rai International Airport)
7,355 mi
11,837 km · 6,392 nm
14h 53m
estimated nonstop flight time
+13h
time difference · heading northwest
See live MSO→CEI fares Phone-only fares on this route — call free
Flight time details
7,355 miles nonstop takes roughly 14h 53m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- MSO — Missoula International Airport · Missoula, United States
- 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 MSO
- FCA · Glacier Park International Airport97 mi away
- BTM · Bert Mooney Airport101 mi away
- HLN · Helena Regional Airport102 mi away
- SMN · Lemhi County Airport124 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 MSO from CEI?
The flight distance from Missoula (MSO) to Chiang Rai (CEI) is 7,355 miles (11,837 km, 6,392 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MSO to CEI?
A nonstop flight takes about 14h 53m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from MSO to CEI?
Nonstop service on MSO–CEI depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 14h 53m nonstop estimate.
What is the time difference between Missoula and Chiang Rai?
Chiang Rai is 13 hours ahead of Missoula.
What is the cheapest way to fly from MSO to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSO–CEI that never appear on search engines, with no booking fees.
Why are some MSO to CEI fares phone-only?
Consolidator contracts let us sell certain MSO–CEI tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.