CA $825 Cheap Flights from Ontario Intl. Airport (ONT) to Melbourne (MEL)

View CA $825 flight on Mon, Jun 8, 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Melbourne Airport (MEL)

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Cheap flights from Ontario Intl. Airport (ONT) to Melbourne (MEL)

Prices were available within the past 7 days and start at CA $825 for one-way flights and CA $1,563 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Oct 23 - Fri, Nov 6
ONT
Ontario
MEL
Melbourne
CA $1,563 Roundtrip, found 6 days ago
CA $1,563
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 23 from Ontario to Melbourne, returning Fri, Nov 6, priced at CA $1,563 found 6 days ago
United
Fri, Oct 23 - Fri, Nov 6
ONT
Ontario
MEL
Melbourne
CA $1,594 Roundtrip, found 6 days ago
CA $1,594
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 23 from Ontario to Melbourne, returning Fri, Nov 6, priced at CA $1,594 found 6 days ago
United
Fri, Oct 23 - Fri, Nov 6
ONT
Ontario
MEL
Melbourne
CA $1,614 Roundtrip, found 6 days ago
CA $1,614
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 23 from Ontario to Melbourne, returning Fri, Nov 6, priced at CA $1,614 found 6 days ago
United
Fri, Oct 23 - Fri, Nov 6
ONT
Ontario
MEL
Melbourne
CA $1,918 Roundtrip, found 6 days ago
CA $1,918
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 23 from Ontario to Melbourne, returning Fri, Nov 6, priced at CA $1,918 found 6 days ago
United
Fri, Oct 23 - Fri, Nov 6
ONT
Ontario
MEL
Melbourne
CA $1,949 Roundtrip, found 6 days ago
CA $1,949
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 23 from Ontario to Melbourne, returning Fri, Nov 6, priced at CA $1,949 found 6 days ago
United
Fri, Oct 23 - Fri, Nov 6
ONT
Ontario
MEL
Melbourne
CA $1,969 Roundtrip, found 6 days ago
CA $1,969
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 23 from Ontario to Melbourne, returning Fri, Nov 6, priced at CA $1,969 found 6 days ago
United
Sun, Jul 12 - Sun, Jul 26
ONT
Ontario
MEL
Melbourne
CA $2,453 Roundtrip, found 9 hours ago
CA $2,453
Roundtrip
found 9 hours ago
Select United flight, departing Sun, Jul 12 from Ontario to Melbourne, returning Sun, Jul 26, priced at CA $2,453 found 9 hours ago
United
Sun, Jul 12 - Sun, Jul 26
ONT
Ontario
MEL
Melbourne
CA $2,538 Roundtrip, found 9 hours ago
CA $2,538
Roundtrip
found 9 hours ago
Select United flight, departing Sun, Jul 12 from Ontario to Melbourne, returning Sun, Jul 26, priced at CA $2,538 found 9 hours ago
United
Sun, Jul 12 - Sun, Jul 26
ONT
Ontario
MEL
Melbourne
CA $2,560 Roundtrip, found 9 hours ago
CA $2,560
Roundtrip
found 9 hours ago
Select United flight, departing Sun, Jul 12 from Ontario to Melbourne, returning Sun, Jul 26, priced at CA $2,560 found 9 hours ago
United
Sun, Jul 12 - Sun, Jul 26
ONT
Ontario
MEL
Melbourne
CA $2,807 Roundtrip, found 9 hours ago
CA $2,807
Roundtrip
found 9 hours ago
Select United flight, departing Sun, Jul 12 from Ontario to Melbourne, returning Sun, Jul 26, priced at CA $2,807 found 9 hours ago

Frequently asked questions

How do I find cheap flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine)?
To find a cheap flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine)?
There are approximately 8 connecting flights per day from Los Angeles - Ontario Intl. (ONT) to Tullamarine (MEL). Some common connection points include San Francisco Intl. (SFO), Dallas-Fort Worth Intl. (DFW), and Daniel K. Inouye Intl. (HNL).
What is the earliest flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine)?
The earliest flight from Los Angeles - Ontario Intl. (ONT) to Melbourne, VIC (MEL-Tullamarine) (MEL) typically departs at approximately 12:45 AM local time, operated by CI. This is a seasonal service active in September. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine)?
You'll typically find the most flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine) on a Saturday, with around 22 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, Alaska Airlines, and United Airlines.
What are the most popular departure times for flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine)?
The most popular departure times for flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine) are in the evening, from 6pm to 9pm. About 35% of passengers prefer this time. Many major carriers, including United Airlines and Qantas, offer flights during this window. This timing works well because it allows you to finish your day before heading to the airport, and you'll arrive at your destination ready to start your trip.
How long does it take to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine)?
Flying from ONT to MEL with a connection usually takes about 20 hours 30 minutes, traveling roughly 7,972 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine)?
Select the "Business class" and "First class" filters when looking for ONT to MEL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine) flight with Expedia?
It's easy to earn miles on a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Melbourne from Los Angeles - Ontario Intl. (ONT)?
From Los Angeles - Ontario Intl. (ONT), you can fly into Tullamarine (MEL) and Orlando Melbourne Intl. (MLB) in Melbourne. Some flights may connect through major hubs like San Francisco Intl. (SFO), Daniel K. Inouye Intl. (HNL), Sky Harbor Intl. (PHX) before reaching Melbourne. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine) at the last minute?
Typically, booking a last minute flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine) flight and hotel package?
Securing a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine)?
If you booked your Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Melbourne, VIC (MEL-Tullamarine) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Tullamarine
Airlines serving
United
Roundtrip price
CA $1,562
Distance
12754 km

Book with confidence

Los Angeles to Melbourne Flights

The easy way to book your flights from Ontario Intl. Airport to Melbourne 

With Expedia, it’s simple to find and book flights to Melbourne from Ontario Intl. Airport whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Tullamarine, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ontario Intl. Airport to Melbourne today, tomorrow, or this week.  

 

Save dollars with cheap flights from Ontario Intl. Airport, ONT to Tullamarine, MEL 

Sort your search results by price to find great deals on your flight from Ontario Intl. Airport to Melbourne—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Melbourne from Ontario Intl. Airport currently is just CA $1,563 rising to CA $2,807.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Melbourne  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Melbourne from Ontario Intl. Airport 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Melbourne with Expedia today.

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