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ONT to ITO: distance & flight time
Ontario (Ontario International Airport) → Hilo (Hilo International Airport)
2,493 mi
4,012 km · 2,167 nm
5h 21m
estimated nonstop flight time
-3h
time difference · heading west
See live ONT→ITO fares Phone-only fares on this route — call free
Flight time details
2,493 miles nonstop takes roughly 5h 21m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- ITO — Hilo International Airport · Hilo, 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 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 ITO
- BSF · Bradshaw Army Airfield33 mi away
- MUE · Waimea Kohala Airport45 mi away
- WKL · Waikoloa Heliport55 mi away
- KOA · Ellison Onizuka Kona International At Keahole Airport65 mi away
Frequently asked questions
How far is ONT from ITO?
The flight distance from Ontario (ONT) to Hilo (ITO) is 2,493 miles (4,012 km, 2,167 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to ITO?
A nonstop flight takes about 5h 21m 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 Hilo?
Hilo is 3 hours behind Ontario.
What is the cheapest way to fly from ONT to ITO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–ITO that never appear on search engines, with no booking fees.