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PRH to ONT: distance & flight time
Phrae (Phrae Airport) → Ontario (Ontario International Airport)
8,058 mi
12,968 km · 7,002 nm
16h 16m
estimated nonstop flight time
-14h
time difference · heading northeast
See live PRH→ONT fares Phone-only fares on this route — call free
Flight time details
8,058 miles nonstop takes roughly 16h 16m 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
- PRH — Phrae Airport · Phrae, 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 PRH
- LPT · Lampang Airport44 mi away
- NNT · Nan Airport62 mi away
- THS · Sukhothai Airport66 mi away
- CNX · Chiang Mai International Airport90 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 PRH from ONT?
The flight distance from Phrae (PRH) to Ontario (ONT) is 8,058 miles (12,968 km, 7,002 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PRH to ONT?
A nonstop flight takes about 16h 16m 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 Phrae and Ontario?
Ontario is 14 hours behind Phrae.
What is the cheapest way to fly from PRH to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PRH–ONT that never appear on search engines, with no booking fees.