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DMK to ONT: distance & flight time
Bangkok (Don Mueang International Airport) → Ontario (Ontario International Airport)
8,279 mi
13,323 km · 7,194 nm
16h 42m
estimated nonstop flight time
-14h
time difference · heading northeast
See live DMK→ONT fares Phone-only fares on this route — call free
Flight time details
8,279 miles nonstop takes roughly 16h 42m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- DMK — Don Mueang International Airport · Bangkok, Thailand
- ONT — Ontario International 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 DMK
- BKK · Suvarnabhumi Airport19 mi away
- KDT · Kamphaeng Saen Airport48 mi away
- UTP · U-Tapao International Airport89 mi away
- TKH · Takhli Airport97 mi away
Near ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Frequently asked questions
How far is DMK from ONT?
The flight distance from Bangkok (DMK) to Ontario (ONT) is 8,279 miles (13,323 km, 7,194 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DMK to ONT?
A nonstop flight takes about 16h 42m 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 Bangkok and Ontario?
Ontario is 14 hours behind Bangkok.
What is the cheapest way to fly from DMK to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DMK–ONT that never appear on search engines, with no booking fees.