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$628+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MEL
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 (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 julio 30, 2025.

Round-trip from

$1,284
(United Airlines)

One-way from

$637
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$1,115
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 ($239 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/30. 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.
dom. 9/216:50 pmONT - MEL
1 stop20h 25mUnited Airlines
dom. 10/511:55 amMEL - ONT
1 stop18h 18mUnited Airlines
Deal found 7/30$1,284
This American Airlines deal was found by Cheapflights users on 7/29. 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.
vie. 9/196:10 amONT - MEL
2 stops31h 35mAmerican Airlines
dom. 9/289:45 amMEL - ONT
2 stops23h 20mAmerican Airlines
Deal found 7/29$1,286
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/1912:10 amONT - MEL
3 stops35h 20mMultiple Airlines
sáb. 11/11:25 amMEL - ONT
2 stops34h 25mMultiple Airlines
Deal found 7/28$1,290
This Kissandfly.com deal was found by Cheapflights users on 7/28. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/216:50 pmONT - MEL
1 stop20h 25mLufthansa
dom. 10/511:55 amMEL - ONT
1 stop18h 18mLufthansa
Deal found 7/28$1,406

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 julio 30, 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

dom. 9/21

6:50 pm-8:15 am

1 stop20h 25m

Melbourne

dom. 10/5

11:55 am-12:13 pm

1 stop18h 18m

$1,284

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

vie. 9/19

6:10 am-6:45 am

2 stops31h 35m

Melbourne

dom. 9/28

9:45 am-4:05 pm

2 stops23h 20m

$1,286

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

dom. 10/19

12:10 am-5:30 am

3 stops35h 20m

Melbourne

sáb. 11/1

1:25 am-5:50 pm

2 stops34h 25m

$1,290

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

dom. 9/21

6:50 pm-8:15 am

1 stop20h 25m

Melbourne

dom. 10/5

11:55 am-12:13 pm

1 stop18h 18m

$1,406

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

lun. 1/26

6:02 am-10:00 am

2 stops32h 58m

$628

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

jue. 9/4

12:45 am-5:30 am

3 stops35h 45m

$637

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

lun. 11/24

10:47 am-5:00 am

1 stop23h 13m

$696

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

lun. 9/22

6:50 pm-8:15 am

1 stop20h 25m

$775

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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, March is the cheapest month in which you can book a flight from Ontario to Melbourne (average of $1,071). Flying from Ontario to Melbourne 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 julio 30, 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 13% versus a flight in the morning.

Reviews of airlines servicing Melbourne

Get insights into the airlines that provide service to Melbourne. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Melbourne. Reviews last updated julio 30, 2025.
Read through reviews of airlines operating flights from Ontario to Melbourne, such as United Airlines, American Airlines, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,269 reviews
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • What are the cheapest airlines to fly from Ontario to Melbourne one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $702. Users have also found prices from $732 and $775 on United Airlines and Lufthansa, respectively.

  • 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, March is the cheapest month in which you can book a flight from Ontario to Melbourne (average of $1,071). Flying from Ontario to Melbourne 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.

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