$186 Cheap Flights from Melbourne (MLB) to Ontario (ONT)

View $186 flight on Fri, Dec 5, 2025Opens in a new window

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

Cheap Flights from Melbourne to Ontario (MLB-ONT)

Prices were available within the past 7 days and start at $186 for one-way flights and $337 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jan 13 - Tue, Jan 27
MLB
Melbourne
ONT
Ontario
$337 Roundtrip, found 5 days ago
$337
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jan 13 from Melbourne to Ontario, returning Tue, Jan 27, priced at $337 found 5 days ago
Delta
Sat, Dec 6 - Tue, Dec 16
MLB
Melbourne
ONT
Ontario
$342 Roundtrip, found 5 days ago
$342
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Dec 6 from Melbourne to Ontario, returning Tue, Dec 16, priced at $342 found 5 days ago
Delta
Wed, Dec 3 - Tue, Dec 16
MLB
Melbourne
ONT
Ontario
$349 Roundtrip, just found
$349
Roundtrip
just found
Select Delta flight, departing Wed, Dec 3 from Melbourne to Ontario, returning Tue, Dec 16, priced at $349 just found
Delta
Fri, Dec 5 - Tue, Dec 16
MLB
Melbourne
ONT
Ontario
$354 Roundtrip, found 5 days ago
$354
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Dec 5 from Melbourne to Ontario, returning Tue, Dec 16, priced at $354 found 5 days ago
Delta
Tue, Jan 20 - Tue, Feb 3
MLB
Melbourne
ONT
Ontario
$358 Roundtrip, found 5 days ago
$358
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jan 20 from Melbourne to Ontario, returning Tue, Feb 3, priced at $358 found 5 days ago
Delta
Wed, Dec 3 - Sun, Dec 7
MLB
Melbourne
ONT
Ontario
$360 Roundtrip, found 5 days ago
$360
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Dec 3 from Melbourne to Ontario, returning Sun, Dec 7, priced at $360 found 5 days ago
Delta
Fri, Jan 23 - Sun, Feb 8
MLB
Melbourne
ONT
Ontario
$361 Roundtrip, found 5 days ago
$361
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Jan 23 from Melbourne to Ontario, returning Sun, Feb 8, priced at $361 found 5 days ago
Delta
Sat, Dec 6 - Wed, Dec 17
MLB
Melbourne
ONT
Ontario
$363 Roundtrip, found 5 days ago
$363
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Dec 6 from Melbourne to Ontario, returning Wed, Dec 17, priced at $363 found 5 days ago
Delta
Fri, Dec 5 - Fri, Dec 12
MLB
Melbourne
ONT
Ontario
$366 Roundtrip, found 5 days ago
$366
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Dec 5 from Melbourne to Ontario, returning Fri, Dec 12, priced at $366 found 5 days ago
American Airlines
Wed, Dec 3 - Sun, Dec 7
MLB
Melbourne
ONT
Ontario
$416 Roundtrip, found 5 days ago
$416
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Dec 3 from Melbourne to Ontario, returning Sun, Dec 7, priced at $416 found 5 days ago

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John Wayne SNA. Average driving time to city center is 42 minutes. Flights from $559
SNA
John Wayne
Average driving time to city center42 min
Flights from $559

Frequently asked questions

How much does a flight from Orlando Melbourne Intl. Airport (MLB) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Get a cheap one-way flight from $186 or cheap return flight from $337 from Orlando Melbourne Intl. Airport (MLB) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Orlando Melbourne Intl. Airport (MLB) to Los Angeles - Ontario Intl. Airport (ONT)?
Planning your getaway for January is a good way to save, as it's the cheapest month for flights between MLB and ONT. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Orlando Melbourne Intl. Airport (MLB) to Los Angeles - Ontario Intl. Airport (ONT)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest MLB to ONT flight.
How many flights per day from Orlando Melbourne Intl. Airport (MLB) to Los Angeles - Ontario Intl. Airport (ONT)?
Direct flights from Orlando Melbourne Intl. Airport (MLB) to Los Angeles - Ontario Intl. Airport (ONT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MLB to ONT?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Orlando Melbourne Intl. Airport (MLB) to Los Angeles - Ontario Intl. Airport (ONT)?
Opt for a flight from Orlando Melbourne Intl. Airport (MLB) to Los Angeles - Ontario Intl. Airport (ONT) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Orlando Melbourne Intl. Airport (MLB) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Holding off until right before your break to book a flight from MLB to ONT often results in higher prices. While you may find some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible to boost your chances of snagging a bargain.
Is it cheaper to book a MLB to ONT flight and hotel package?
You'll generally save money by securing a MLB to ONT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your ideal accommodations and flights, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Orlando Melbourne Intl. Airport (MLB) to Los Angeles - Ontario Intl. Airport (ONT)?
In most cases, you're able to reschedule or cancel your MLB to ONT flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Origin airport
Orlando Melbourne Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
American Airlines, Delta
Roundtrip price
$336
Distance
2213 mi

Book with confidence

Melbourne to Ontario Flights

The cheapest times to fly from Melbourne to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Melbourne to Ontario are during the month of January. You can find some of the cheapest flights from Melbourne to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Melbourne to Ontario

Sunday is one of the best days to book for cheap flights from Melbourne to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Melbourne to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Melbourne to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $186 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Melbourne to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Melbourne to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Melbourne to Ontario Flights

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*Available to One Key members.