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HPH to ONT: distance & flight time
Haiphong (Cat Bi International Airport) → Ontario (Ontario International Airport)
7,655 mi
12,319 km · 6,652 nm
15h 29m
estimated nonstop flight time
-14h
time difference · heading northeast
See live HPH→ONT fares Phone-only fares on this route — call free
Flight time details
7,655 miles nonstop takes roughly 15h 29m 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
- HPH — Cat Bi International Airport · Haiphong, Vietnam
- 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 HPH
- HAN · Noi Bai International Airport65 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 HPH from ONT?
The flight distance from Haiphong (HPH) to Ontario (ONT) is 7,655 miles (12,319 km, 6,652 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HPH to ONT?
A nonstop flight takes about 15h 29m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from HPH to ONT?
Nonstop service on HPH–ONT depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 15h 29m nonstop estimate.
What is the time difference between Haiphong and Ontario?
Ontario is 14 hours behind Haiphong.
What is the cheapest way to fly from HPH to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HPH–ONT that never appear on search engines, with no booking fees.
Why are some HPH to ONT fares phone-only?
Consolidator contracts let us sell certain HPH–ONT tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.