HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Melbourne

$634+ Cheap flights from Ontario (ONT) to Melbourne

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MEL
Dec 29 — Jan 51
Mon 12/29
Mon 1/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Melbourne with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Melbourne

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Melbourne (ME1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 29, 2025.

Round-trip from

$1,108
(United Airlines)

One-way from

$634
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$1,125
From Ontario to Melbourne
Search Deals
One-way flight from Ontario to Melbourne
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($167 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Ontario to Melbourne

Cheapest flights from Ontario to Melbourne
Explore the most affordable flight options available from Ontario to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 29, 2025.

This United Airlines deal was found by Cheapflights users on 11/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:41 pmONT - MEL
1 stop20h 19mUnited Airlines
Sat 1/311:00 pmMEL - ONT
1 stop18h 17mUnited Airlines
Deal found 11/28$1,109
This United Airlines deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:05 amONT - MEL
2 stops33h 55mUnited Airlines
Mon 1/191:00 pmMEL - ONT
2 stops27h 58mUnited Airlines
Deal found 11/26$1,113
This United Airlines deal was found by Cheapflights users on 11/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:39 pmONT - MEL
1 stop20h 21mUnited Airlines
Sat 1/171:00 pmMEL - ONT
2 stops26h 58mUnited Airlines
Deal found 11/28$1,114
This United Airlines deal was found by Cheapflights users on 11/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:00 amONT - MEL
1 stop33h 00mUnited Airlines
Sat 1/311:00 pmMEL - ONT
1 stop23h 51mUnited Airlines
Deal found 11/28$1,115
This United Airlines deal was found by Cheapflights users on 11/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:42 amONT - MEL
1 stop28h 18mUnited Airlines
Thu 1/151:00 pmMEL - ONT
1 stop23h 43mUnited Airlines
Deal found 11/28$1,282
This United Airlines deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:00 amONT - MEL
1 stop33h 00mUnited Airlines
Fri 1/231:00 pmMEL - ONT
1 stop17h 18mUnited Airlines
Deal found 11/26$1,288

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Melbourne that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 29, 2025.
Use the filters below to find and compare flights from Ontario to Melbourne that are best for you.

Fly from

Ontario

Fly to

Melbourne

Route

Depart

Return

Price

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Tue 5/26

6:53 pm-8:15 am

1 stop20h 22m

Melbourne

Wed 6/3

10:55 am-12:20 pm

1 stop18h 25m

$1,108

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Sun 2/8

6:39 pm-10:00 am

1 stop20h 21m

Melbourne

Wed 2/18

1:00 pm-12:38 pm

1 stop18h 38m

$1,108

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Tue 5/12

6:53 pm-8:15 am

1 stop20h 22m

Melbourne

Sat 5/30

10:55 am-12:20 pm

1 stop18h 25m

$1,109

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Mon 3/30

6:53 pm-9:15 am

1 stop20h 22m

Melbourne

Sun 4/12

10:55 am-12:20 pm

1 stop18h 25m

$1,109

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Mon 1/5

5:05 am-10:00 am

2 stops33h 55m

Melbourne

Mon 1/19

1:00 pm-5:43 pm

1 stop23h 43m

$1,113

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Fri 5/1

4:15 pm-8:15 am

2 stops47h 00m

Melbourne

Sat 5/9

10:55 am-5:47 pm

1 stop23h 52m

$1,128

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Wed 1/21

1:53 pm-10:00 am

1 stop25h 07m

Melbourne

Sat 2/7

1:00 pm-12:17 pm

1 stop18h 17m

$1,281

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Mon 5/25

6:53 pm-8:15 am

1 stop20h 22m

Melbourne

Mon 6/8

10:55 am-12:20 pm

1 stop18h 25m

$1,281

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Thu 12/25

5:05 am-10:00 am

2 stops33h 55m

Melbourne

Sun 1/25

1:00 pm-8:58 pm

2 stops26h 58m

$1,307

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Thu 1/1

8:11 am-10:00 am

1 stop30h 49m

Melbourne

Sat 1/17

1:00 pm-12:17 pm

1 stop18h 17m

$1,309

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/27

Showing 1-10 of 20 results
1
2

Best time to book a flight from Ontario to Melbourne

Have a flexible travel schedule? Discover the best time to fly to Melbourne from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Melbourne

What is the cheapest month to book a flight from Ontario to Melbourne?

Currently, April is the cheapest month in which you can book a flight from Ontario to Melbourne (average of $656). Flying from Ontario to Melbourne in December is currently the most expensive (average of $812). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to MEL?

Find hourly flight availability from Ontario to Melbourne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 29, 2025.

When flying from Ontario to Melbourne, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 22% versus a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Melbourne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Melbourne?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Melbourne. You should not have trouble finding flights to Melbourne from Ontario; the airport handles an average of 0 outbound flights to Melbourne per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Ontario airport to Melbourne. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • How long is the flight from Ontario to Melbourne?

    There are many flights that can get you from Ontario to Melbourne in 20h 22m. Fly via United Airlines to get the fastest option. There are 7966 mi between Ontario and Melbourne.

  • Can I find deals for flights from Ontario to Melbourne that include hotel bookings?

    Yes. In addition to deals on Ontario to Melbourne flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Melbourne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Melbourne.

  • Can I find deals for business class flights from Ontario to Melbourne?

    Yes. Cheapflights offers flight deals from Ontario to Melbourne by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Melbourne?

    Currently, April is the cheapest month in which you can book a flight from Ontario to Melbourne (average of $656). Flying from Ontario to Melbourne in December is currently the most expensive (average of $812). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights