Skyscanner

Cheap Flights from Melbourne (MELA) to Ontario (ONT)

Travellers and cabin class

Compare Melbourne to Ontario International flight deals

Find the cheapest month or even day of the year to fly to Ontario International

Book the best Ontario International fare with no extra fees

TrustScore 4.5 out of 5 4.5 out of 5 based on 1,726 reviews Trustpilot

Flight deals from Melbourne to Ontario International

Looking for a cheap last-minute deal or the best return flight from Melbourne to Ontario International? Find the lowest prices on one-way and return tickets right here.
Ontario.$1,583 per passenger.Departing Mon, 23 Jun, returning Sat, 5 Jul.Return flight with Jetstar and United.Outbound indirect flight with Jetstar, departs from Melbourne Avalon on Mon, 23 Jun, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Sat, 5 Jul, arriving in Melbourne Avalon.Price includes taxes and charges.From $1,583, select.
Ontario.$1,625 per passenger.Departing Thu, 5 Jun, returning Sun, 15 Jun.Return flight with United.Outbound indirect flight with United, departs from Melbourne Tullamarine on Thu, 5 Jun, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Sun, 15 Jun, arriving in Melbourne Tullamarine.Price includes taxes and charges.From $1,625, select.
Ontario.$1,627 per passenger.Departing Thu, 29 May, returning Sun, 8 Jun.Return flight with United.Outbound indirect flight with United, departs from Melbourne Tullamarine on Thu, 29 May, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Sun, 8 Jun, arriving in Melbourne Tullamarine.Price includes taxes and charges.From $1,627, select.
Ontario.$1,640 per passenger.Departing Mon, 21 Jul, returning Tue, 29 Jul.Return flight with United.Outbound indirect flight with United, departs from Melbourne Tullamarine on Mon, 21 Jul, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Tue, 29 Jul, arriving in Melbourne Tullamarine.Price includes taxes and charges.From $1,640, select.
Ontario.$1,642 per passenger.Departing Tue, 7 Oct, returning Mon, 20 Oct.Return flight with United.Outbound indirect flight with United, departs from Melbourne Tullamarine on Tue, 7 Oct, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Mon, 20 Oct, arriving in Melbourne Tullamarine.Price includes taxes and charges.From $1,642, select.
Ontario.$1,642 per passenger.Departing Mon, 1 Sep, returning Sun, 21 Sep.Return flight with United.Outbound indirect flight with United, departs from Melbourne Tullamarine on Mon, 1 Sep, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Sun, 21 Sep, arriving in Melbourne Tullamarine.Price includes taxes and charges.From $1,642, select.
Ontario.$1,642 per passenger.Departing Tue, 22 Jul, returning Tue, 12 Aug.Return flight with United.Outbound indirect flight with United, departs from Melbourne Tullamarine on Tue, 22 Jul, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Tue, 12 Aug, arriving in Melbourne Tullamarine.Price includes taxes and charges.From $1,642, select.
Ontario.$1,643 per passenger.Departing Tue, 11 Nov, returning Wed, 19 Nov.Return flight with United.Outbound indirect flight with United, departs from Melbourne Tullamarine on Tue, 11 Nov, arriving in Ontario International.Inbound indirect flight with United, departs from Ontario International on Wed, 19 Nov, arriving in Melbourne Tullamarine.Price includes taxes and charges.From $1,643, select.

Find the cheapest month to fly from Melbourne to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Melbourne to Ontario International flights are currently cheapest in June.
May
from $1,753
Jun
from $1,625
Jul
from $1,640
Aug
from $1,643
Sep
from $1,642
Oct
from $1,642
Nov
from $1,643
Dec
from $1,830
Jan
from $1,815
Feb
from $1,935
Mar
from $1,827
Apr
from $1,931

Melbourne to Ontario International: Alternative routes

Compare routes from Melbourne to Ontario below. You may find an airport to fly into that's cheaper, faster, or easier than Ontario International.

Melbourne to Ontario: Flight information

The things to know before you go.
Cheapest flight found$1,583
Cheapest month to flyJune

Finding cheap flights from Melbourne to Ontario International: Frequently asked questions

The best price we found for a return flight from Melbourne to Ontario International is $1,583. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Melbourne to Ontario International. But we found flights with one stop from $1,583.
As of May 2025, there are no flights flying from Melbourne to Ontario International.
The cheapest month to fly from Melbourne to Ontario International is usually May 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Melbourne to Ontario International Airport on Monday, 23 June 2025.
No airlines currently offer direct flights between Melbourne and Ontario International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ontario International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ontario is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Ontario International is Jetstar .

Flying from Melbourne to Ontario International Airport (ONT): what you need to know

  • Planning your getaway begins with figuring out where you'll fly out of in Melbourne. Melbourne Tullamarine Airport (MEL) is the city's main base, so check out your options for booking a flight from Melbourne to Ontario International Airport (ONT) departing from here.

  • Ontario is 18 hours behind Melbourne. Ontario International Airport is located in Ontario, which operates on the UTC-7 timezone.

  • To ensure you catch your flight from Melbourne to ONT, leave enough time to navigate the airport and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • You'll likely experience longer queues during popular months such as July and other peak periods. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a smart move.

Airports in Melbourne

Melbourne Tullamarine Airport (MEL)

  • Think about adding a stopover to potentially save money on your flight from Melbourne to ONT. Simply uncheck 'Direct flights only' when searching for departures from Melbourne Tullamarine Airport (MEL). Take a pause at one of these popular airports:

    • Dallas/Fort Worth International Airport (DFW)

    • Daniel K. Inouye International Airport (HNL)

    • San Francisco International Airport (SFO)

  • From central Melbourne, MEL is approximately 24 kilometres away. Visit the official airport website or use navigation apps to find the best way to arrive at the terminal.

  • Looking for a handy hotel close to Melbourne Tullamarine Airport? If you're catching an early flight from Melbourne to Ontario International Airport, these accommodation options will have you moments from your departure lounge:

About Ontario International Airport (ONT)

Getting from Ontario International Airport (ONT) to central Ontario

  • Ontario International Airport is approximately 6 kilometres from central Ontario. With your own car rental or if you take a cab, the drive is around 10 minutes.

  • It typically takes 1 hour and 28 minutes to get there by public transport.

How to find the cheapest flights from Melbourne to Ontario International Airport (ONT)

  • For a one-way ticket from Melbourne to Ontario International Airport, $623 is the cheapest price. You can also book a return flight from just $1,583. These are currently the lowest fares but are subject to change based on availability.

  • It's usually best to book ahead of time if you want to get flight tickets from Melbourne to ONT. That's because flight prices are based on demand, which tends to increase closer to the departure date.

  • If you're flexible with your travel dates, check out the 'Whole month' tool. It'll give you the cheapest price across every month when searching for your ticket from Melbourne to Ontario International Airport.

  • Sign into your online account or use the app to create a Price Alert. We'll get in touch straight away if the price has dropped. It's easy to do, and it'll save you from looking for a cheap ticket from Melbourne to ONT every day.

  • Customise your trip by applying filters. Adjust the total duration, number of stops, and arrival and departure times to find the ideal flight from Melbourne to Ontario International Airport. You can also sort the results to see the 'Cheapest,' 'Fastest' or 'Best' options first.

The best time to fly from Melbourne to Ontario International Airport (ONT)

  • August is the busiest month to catch a flight from Melbourne to Ontario International Airport while May is the quietest. To work out the ideal time to go to Ontario, consider the pace you like to travel at.

  • Before you book a flight from Melbourne to ONT, think about the type of weather you enjoy. August is the warmest month in Ontario, with temperatures ranging from 15ºC to 35ºC.

  • Look for cheap flights from Melbourne to Ontario International Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 4ºC and 23ºC on average.

More about Ontario

  • Start your Ontario trip off on the right foot by choosing the perfect place to stay. After booking your flight from Melbourne to Ontario International Airport, check out our selection of accommodation options including:

  • Every great holiday has to include some sightseeing. Graber Olive House, Anthony Munoz Park and James R. Bryant Dog Park are must-do's during your Ontario adventure.

Complete your Ontario trip with a car rental

  • Close all those tabs and leave the hard work to us. We can also help you find deals on car rentals in Ontario once you've booked your hotel and cheap flight from Melbourne to Ontario International Airport. Instantly compare prices all in one place and drive away with a bargain that fits your budget.

Plan the rest of your trip from Melbourne to Ontario

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.