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$628+ Cheap flights from Ontario (ONT) to Melbourne (MEL)

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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MEL
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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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 (MEL). 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 August 18, 2025.

Round-trip from

$1,062
(American Airlines)

One-way from

$628
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$962
From Ontario to Melbourne
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One-way flight from Ontario to Melbourne
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Highest demand for flights based on searches. 17% potential increase in price ($233 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 18, 2025.

This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:15 amONT - MEL
1 stop27h 45mAmerican Airlines
Wed 9/243:05 pmMEL - ONT
1 stop20h 49mAmerican Airlines
Deal found 8/17$1,062
This United Airlines deal was found by Cheapflights users on 8/16. 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 8/176:39 pmONT - MEL
1 stop20h 36mUnited Airlines
Sun 8/3110:55 amMEL - ONT
1 stop18h 18mUnited Airlines
Deal found 8/16$1,079
This United Airlines deal was found by Cheapflights users on 8/18. 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 8/246:50 pmONT - MEL
1 stop20h 25mUnited Airlines
Sun 9/710:55 amMEL - ONT
1 stop18h 18mUnited Airlines
Deal found 8/18$1,081
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/141:53 pmONT - MEL
1 stop25h 22mUnited Airlines
Sun 10/1911:55 amMEL - ONT
1 stop25h 40mUnited Airlines
Deal found 8/18$1,086
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 9/15:10 amONT - MEL
2 stops34h 05mUnited Airlines
Tue 9/3010:55 amMEL - ONT
1 stop18h 18mUnited Airlines
Deal found 8/18$1,090
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 12/18:38 pmONT - MEL
1 stop18h 22mUnited Airlines
Sun 12/141:00 pmMEL - ONT
1 stop28h 49mUnited Airlines
Deal found 8/18$1,092
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Mon 10/201:53 pmONT - MEL
1 stop25h 22mUnited Airlines
Sun 12/141:00 pmMEL - ONT
1 stop28h 49mUnited Airlines
Deal found 8/15$1,093
This United Airlines deal was found by Cheapflights users on 8/18. 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 8/231:19 pmONT - MEL
2 stops49h 56mUnited Airlines
Mon 9/810:55 amMEL - ONT
2 stops26h 48mUnited Airlines
Deal found 8/18$1,105
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Thu 8/216:50 pmONT - MEL
1 stop20h 25mUnited Airlines
Wed 8/2710:55 amMEL - ONT
1 stop23h 42mUnited Airlines
Deal found 8/17$1,136
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Mon 11/175:05 amONT - MEL
2 stops33h 55mUnited Airlines
Fri 12/51:00 pmMEL - ONT
1 stop18h 17mUnited Airlines
Deal found 8/16$1,140

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 August 18, 2025.
Use the filters below to find and compare flights from Ontario to Melbourne Airport that are best for you.

Fly from

Ontario

Fly to

Melbourne

Route

Depart

Return

Price

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Wed 9/10

8:15 am-5:00 am

1 stop27h 45m

Melbourne

Wed 9/24

3:05 pm-6:54 pm

1 stop20h 49m

$1,062

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Sun 9/21

6:50 pm-8:15 am

1 stop20h 25m

Melbourne

Sun 10/5

11:55 am-12:13 pm

1 stop18h 18m

$1,081

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Mon 10/20

1:53 pm-9:15 am

1 stop25h 22m

Melbourne

Sun 11/2

1:00 pm-1:37 pm

1 stop18h 37m

$1,086

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Mon 11/3

1:40 pm-10:00 am

1 stop25h 20m

Melbourne

Sun 11/16

1:00 pm-12:37 pm

1 stop18h 37m

$1,086

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Tue 10/14

1:53 pm-9:15 am

1 stop25h 22m

Melbourne

Sun 10/19

11:55 am-7:35 pm

1 stop25h 40m

$1,086

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Mon 2/9

6:42 pm-10:00 am

1 stop20h 18m

Melbourne

Sun 2/22

1:00 pm-12:19 pm

1 stop18h 19m

$1,086

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Mon 11/17

1:40 pm-10:00 am

1 stop25h 20m

Melbourne

Wed 12/3

1:00 pm-12:17 pm

1 stop18h 17m

$1,086

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Wed 1/28

1:00 pm-10:00 am

2 stops26h 00m

$628

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Sun 1/25

5:40 am-10:00 am

2 stops33h 20m

$628

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Mon 2/9

5:40 am-10:00 am

2 stops33h 20m

$628

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 14 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 Airport

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

Currently, March is the cheapest month in which you can book a flight from Ontario to Melbourne Airport (average of $1,071). Flying from Ontario to Melbourne Airport in December is currently the most expensive (average of $1,774). 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 August 18, 2025.

When flying from Ontario to Melbourne Airport, 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 13% versus a flight in the morning.

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?

    Most people fly from Ontario (ONT) if they book a flight from Ontario to Melbourne. On average, Ontario has 0 outbound flights to Melbourne per day from 0 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Ontario to Melbourne Airport?

    A quick flight from Ontario to Melbourne Airport can take about 27h 45m. American Airlines provides one of the quickest options available for as low as $1,062. Airlines will cover a distance of 7966 mi.

  • 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 Airport?

    Currently, March is the cheapest month in which you can book a flight from Ontario to Melbourne Airport (average of $1,071). Flying from Ontario to Melbourne Airport in December is currently the most expensive (average of $1,774). 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

Traveling to a place near Melbourne Airport?

Book flights to Melbourne Airport if you plan to visit one of these locations
Geelong
Tullamarine
Doncaster
Phillip Island

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