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UPP to ONT: distance & flight time
Opolu (Upolu Airport) → Ontario (Ontario International Airport)
2,519 mi
4,054 km · 2,189 nm
5h 24m
estimated nonstop flight time
+3h
time difference · heading northeast
See live UPP→ONT fares Phone-only fares on this route — call free
Flight time details
2,519 miles nonstop takes roughly 5h 24m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- UPP — Upolu Airport · Opolu, United States
- 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 UPP
- MUE · Waimea Kohala Airport22 mi away
- WKL · Waikoloa Heliport24 mi away
- HNM · Hana Airport38 mi away
- KOA · Ellison Onizuka Kona International At Keahole Airport38 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 UPP from ONT?
The flight distance from Opolu (UPP) to Ontario (ONT) is 2,519 miles (4,054 km, 2,189 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UPP to ONT?
A nonstop flight takes about 5h 24m 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 Opolu and Ontario?
Ontario is 3 hours ahead of Opolu.
What is the cheapest way to fly from UPP to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UPP–ONT that never appear on search engines, with no booking fees.