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CEI to ONO: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Ontario (Ontario Municipal Airport)
7,439 mi
11,972 km · 6,464 nm
15h 3m
estimated nonstop flight time
-13h
time difference · heading northeast
See live CEI→ONO fares Phone-only fares on this route — call free
Flight time details
7,439 miles nonstop takes roughly 15h 3m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- ONO — Ontario Municipal Airport · Ontario, 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 mi away
Frequently asked questions
How far is CEI from ONO?
The flight distance from Chiang Rai (CEI) to Ontario (ONO) is 7,439 miles (11,972 km, 6,464 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to ONO?
A nonstop flight takes about 15h 3m 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 Ontario?
Ontario is 13 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–ONO that never appear on search engines, with no booking fees.