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ONT to VCS: distance & flight time
Ontario (Ontario International Airport) → Conson (Co Ong Airport)
8,299 mi
13,356 km · 7,212 nm
16h 44m
estimated nonstop flight time
+14h
time difference · heading northwest
See live ONT→VCS fares Phone-only fares on this route — call free
Flight time details
8,299 miles nonstop takes roughly 16h 44m 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
- VCS — Co Ong Airport · Conson, 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 VCS
- CAH · Cà Mau Airport104 mi away
- VCA · Can Tho International Airport113 mi away
- VKG · Rach Gia Airport133 mi away
- SGN · Tan Son Nhat International Airport144 mi away
Frequently asked questions
How far is ONT from VCS?
The flight distance from Ontario (ONT) to Conson (VCS) is 8,299 miles (13,356 km, 7,212 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to VCS?
A nonstop flight takes about 16h 44m 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 Conson?
Conson is 14 hours ahead of Ontario.
What is the cheapest way to fly from ONT to VCS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–VCS that never appear on search engines, with no booking fees.