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HDY to ONT: distance & flight time
Hat Yai (Hat Yai International Airport) → Ontario (Ontario International Airport)
8,670 mi
13,954 km · 7,534 nm
17h 28m
estimated nonstop flight time
-14h
time difference · heading northeast
See live HDY→ONT fares Phone-only fares on this route — call free
Flight time details
8,670 miles nonstop takes roughly 17h 28m 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
- HDY — Hat Yai International Airport · Hat Yai, 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 HDY
- SGZ · Songkhla Airport23 mi away
- AOR · Sultan Abdul Halim Airport51 mi away
- PAN · Pattani Airport53 mi away
- LGK · Langkawi International Airport62 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 HDY from ONT?
The flight distance from Hat Yai (HDY) to Ontario (ONT) is 8,670 miles (13,954 km, 7,534 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HDY to ONT?
A nonstop flight takes about 17h 28m 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 Hat Yai and Ontario?
Ontario is 14 hours behind Hat Yai.
What is the cheapest way to fly from HDY to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HDY–ONT that never appear on search engines, with no booking fees.