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ONT to SGN: distance & flight time
Ontario (Ontario International Airport) → Ho Chi Minh City (Tan Son Nhat International Airport)
8,190 mi
13,181 km · 7,117 nm
16h 32m
estimated nonstop flight time
+14h
time difference · heading northwest
See live ONT→SGN fares Phone-only fares on this route — call free
Flight time details
8,190 miles nonstop takes roughly 16h 32m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- SGN — Tan Son Nhat International Airport · Ho Chi Minh City, Vietnam
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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Near SGN
- VCA · Can Tho International Airport82 mi away
- VKG · Rach Gia Airport119 mi away
- KTI · Kratie Airport122 mi away
- PNH · Phnom Penh International Airport132 mi away
Frequently asked questions
How far is ONT from SGN?
The flight distance from Ontario (ONT) to Ho Chi Minh City (SGN) is 8,190 miles (13,181 km, 7,117 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to SGN?
A nonstop flight takes about 16h 32m 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 Ontario and Ho Chi Minh City?
Ho Chi Minh City is 14 hours ahead of Ontario.
What is the cheapest way to fly from ONT to SGN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–SGN that never appear on search engines, with no booking fees.