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$581+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MEL
Jun 11 — Jun 181
Thu 6/11
Thu 6/18
1 adult, Economy
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Cheap 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 May 12, 2026.

This American Airlines deal was found by Cheapflights users on 5/10. 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.
Fri 9/411:59 pm
ONT
-
MEL
1 stop36h 01m
American Airlines
Mon 9/141:35 pm
MEL
-
ONT
1 stop22h 22m
American Airlines
Deal found 5/10$1,073
This American Airlines deal was found by Cheapflights users on 5/10. 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.
Fri 7/3111:59 pm
ONT
-
MEL
1 stop36h 01m
American Airlines
Mon 8/109:00 am
MEL
-
ONT
2 stops26h 47m
American Airlines
Deal found 5/10$1,104
This SmartFares deal was found by Cheapflights users on 5/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:40 am
ONT
-
MEL
2 stops44h 55m
Multiple Airlines
Sun 5/316:00 am
MEL
-
ONT
2 stops33h 17m
Multiple Airlines
Deal found 5/8$1,113
This SmartFares deal was found by Cheapflights users on 5/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:20 am
ONT
-
MEL
2 stops31h 15m
Multiple Airlines
Sat 9/128:00 am
MEL
-
ONT
2 stops30h 20m
Multiple Airlines
Deal found 5/12$1,126
This United Airlines deal was found by Cheapflights users on 5/8. 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 5/116:59 pm
ONT
-
MEL
1 stop20h 16m
United Airlines
Sun 5/2410:55 am
MEL
-
ONT
1 stop18h 17m
United Airlines
Deal found 5/8$1,133
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Fri 5/156:59 pm
ONT
-
MEL
1 stop20h 16m
United Airlines
Fri 5/2910:55 am
MEL
-
ONT
1 stop18h 17m
United Airlines
Deal found 5/12$1,134
This SmartFares deal was found by Cheapflights users on 5/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:40 am
ONT
-
MEL
2 stops44h 55m
Multiple Airlines
Thu 6/114:30 pm
MEL
-
ONT
2 stops22h 15m
Multiple Airlines
Deal found 5/11$1,143
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Wed 7/296:39 pm
ONT
-
MEL
1 stop20h 36m
United Airlines
Wed 9/210:55 am
MEL
-
ONT
1 stop18h 17m
United Airlines
Deal found 5/11$1,144

Find 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 May 12, 2026.

Round-trip from

$1,073
(American Airlines)

One-way from

$581
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$939
From Ontario to Melbourne
Search Deals
One-way flight from Ontario to Melbourne
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in May 2026
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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 May 12, 2026.
Use the filters below to find and compare flights from Ontario to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Sun 8/2

6:39 pm-8:15 am

1 stop20h 36m

Melbourne

Wed 8/12

10:55 am-12:12 pm

1 stop18h 17m

$1,144
Quickest round-trip

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Mon 8/17

7:13 pm-8:15 am

1 stop20h 02m

Melbourne

Mon 8/31

10:55 am-12:12 pm

1 stop18h 17m

$1,154

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Fri 6/12

6:39 pm-10:35 am

2 stops22h 56m

Melbourne

Fri 7/3

10:55 am-12:12 pm

1 stop18h 17m

$1,172

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Fri 9/18

7:13 pm-11:20 am

2 stops23h 07m

Melbourne

Fri 10/2

6:50 am-10:03 am

2 stops20h 13m

$1,193

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Wed 7/29

6:39 pm-8:15 am

1 stop20h 36m

Melbourne

Wed 11/11

1:00 pm-3:27 pm

1 stop21h 27m

$1,404

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Sun 6/14

6:39 pm-10:35 am

2 stops22h 56m

Melbourne

Wed 7/1

10:55 am-12:12 pm

1 stop18h 17m

$1,428

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Mon 6/22

6:39 pm-8:15 am

1 stop20h 36m

Melbourne

Sun 7/26

10:55 am-12:12 pm

1 stop18h 17m

$1,453

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Wed 6/17

6:39 pm-8:15 am

1 stop20h 36m

Melbourne

Sun 6/21

10:55 am-12:12 pm

1 stop18h 17m

$1,454

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Sun 5/24

6:39 pm-8:15 am

1 stop20h 36m

Melbourne

Sun 5/31

10:55 am-12:12 pm

1 stop18h 17m

$1,454

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Mon 7/13

6:39 pm-8:15 am

1 stop20h 36m

Melbourne

Tue 12/15

1:00 pm-12:20 pm

1 stop18h 20m

$1,454

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 22 resultsSorted by cheapest first
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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
No data available for this route at this time. Please check back soon.

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 36m. 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.

See more FAQs

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