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CEI to ISM: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Kissimmee (Kissimmee Gateway Airport)
9,102 mi
14,649 km · 7,910 nm
18h 19m
estimated nonstop flight time
-11h
time difference · heading north
See live CEI→ISM fares Phone-only fares on this route — call free
Flight time details
9,102 miles nonstop takes roughly 18h 19m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- ISM — Kissimmee Gateway Airport · Kissimmee, United States
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 ISM
- MCO · Orlando International Airport12 mi away
- ORL · Orlando Executive Airport19 mi away
- GIF · Winter Haven Regional Airport - Gilbert Field25 mi away
- TPA · Tampa International Airport70 mi away
Frequently asked questions
How far is CEI from ISM?
The flight distance from Chiang Rai (CEI) to Kissimmee (ISM) is 9,102 miles (14,649 km, 7,910 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to ISM?
A nonstop flight takes about 18h 19m 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 Kissimmee?
Kissimmee is 11 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to ISM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–ISM that never appear on search engines, with no booking fees.