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ONT to UIH: distance & flight time
Ontario (Ontario International Airport) → Phucat (Phu Cat Airport)
7,921 mi
12,748 km · 6,883 nm
16h
estimated nonstop flight time
+14h
time difference · heading northwest
See live ONT→UIH fares Phone-only fares on this route — call free
Flight time details
7,921 miles nonstop takes roughly 16h 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
- UIH — Phu Cat Airport · Phucat, 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 UIH
- TBB · Dong Tac Airport66 mi away
- PXU · Pleiku Airport69 mi away
- VCL · Chu Lai International Airport103 mi away
- BMV · Buon Ma Thuot Airport108 mi away
Frequently asked questions
How far is ONT from UIH?
The flight distance from Ontario (ONT) to Phucat (UIH) is 7,921 miles (12,748 km, 6,883 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to UIH?
A nonstop flight takes about 16h 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 Phucat?
Phucat is 14 hours ahead of Ontario.
What is the cheapest way to fly from ONT to UIH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–UIH that never appear on search engines, with no booking fees.