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ONT to MEL: distance & flight time
Ontario (Ontario International Airport) → Melbourne (Melbourne International Airport)
7,971 mi
12,829 km · 6,927 nm
16h 6m
estimated nonstop flight time
+17h
time difference · heading southwest
See live ONT→MEL fares Phone-only fares on this route — call free
Flight time details
7,971 miles nonstop takes roughly 16h 6m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 17-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- MEL — Melbourne International Airport · Melbourne, Australia
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 MEL
- MEB · Melbourne Essendon Airport5 mi away
- MBW · Melbourne Moorabbin Airport25 mi away
- AVV · Avalon Airport32 mi away
- GEX · Geelong Airport47 mi away
Frequently asked questions
How far is ONT from MEL?
The flight distance from Ontario (ONT) to Melbourne (MEL) is 7,971 miles (12,829 km, 6,927 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to MEL?
A nonstop flight takes about 16h 6m 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 Melbourne?
Melbourne is 17 hours ahead of Ontario.
What is the cheapest way to fly from ONT to MEL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–MEL that never appear on search engines, with no booking fees.