$65 Cheap Flights from Orlando (MCO) to Ontario (ONT)

View $65 flight on Thu, Nov 20, 2025Opens in a new window

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

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Cheap Flights from Orlando to Ontario (MCO-ONT)

Prices were available within the past 7 days and start at $65 for one-way flights and $134 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Jan 8 - Fri, Jan 9
MCO
Orlando
ONT
Ontario
$134 Roundtrip, found 3 hours ago
$134
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Jan 8 from Orlando to Ontario, returning Fri, Jan 9, priced at $134 found 3 hours ago
Frontier Airlines
Thu, Feb 12 - Sat, Feb 21
MCO
Orlando
ONT
Ontario
$138 Roundtrip, found 3 hours ago
$138
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Feb 12 from Orlando to Ontario, returning Sat, Feb 21, priced at $138 found 3 hours ago
Frontier Airlines
Thu, Nov 20 - Tue, Dec 9
MCO
Orlando
ONT
Ontario
$140 Roundtrip, found 2 days ago
$140
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Nov 20 from Orlando to Ontario, returning Tue, Dec 9, priced at $140 found 2 days ago
Frontier Airlines
Thu, Jan 8 - Fri, Jan 9
MCO
Orlando
ONT
Ontario
$141 Roundtrip, found 3 hours ago
$141
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Jan 8 from Orlando to Ontario, returning Fri, Jan 9, priced at $141 found 3 hours ago
Frontier Airlines
Fri, Dec 5 - Sat, Dec 6
MCO
Orlando
ONT
Ontario
$144 Roundtrip, found 20 hours ago
$144
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Fri, Dec 5 from Orlando to Ontario, returning Sat, Dec 6, priced at $144 found 20 hours ago
Frontier Airlines
Sun, Nov 16 - Wed, Nov 19
MCO
Orlando
ONT
Ontario
$147 Roundtrip, found 18 hours ago
$147
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Sun, Nov 16 from Orlando to Ontario, returning Wed, Nov 19, priced at $147 found 18 hours ago
Delta
Sat, Jan 17 - Tue, Jan 20
MCO
Orlando
ONT
Ontario
$289 Roundtrip, found 3 days ago
$289
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Jan 17 from Orlando to Ontario, returning Tue, Jan 20, priced at $289 found 3 days ago
United
Tue, Feb 17 - Fri, Feb 20
MCO
Orlando
ONT
Ontario
$289 Roundtrip, found 3 days ago
$289
Roundtrip
found 3 days ago
Select United flight, departing Tue, Feb 17 from Orlando to Ontario, returning Fri, Feb 20, priced at $289 found 3 days ago
Southwest Airlines
Sat, Jan 17 - Tue, Jan 27
MCO
Orlando
ONT
Ontario
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Jan 17 from Orlando to Ontario, returning Tue, Jan 27, priced at $289 found 1 day ago
Alaska Airlines
Tue, Jan 13 - Sat, Jan 17
MCO
Orlando
ONT
Ontario
$303 Roundtrip, found 6 days ago
$303
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Jan 13 from Orlando to Ontario, returning Sat, Jan 17, priced at $303 found 6 days ago

Find the cheapest month to fly from Orlando (MCO) to Ontario (ONT)

January is typically the cheapest month to fly

From $138 - $432 per traveler.

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. Cheapest option available. Average driving time to city center is 42 minutes. Flights from $313
SNA
John Wayne
Cheapest
Average driving time to city center42 min
Flights from $313

Frequently asked questions

How much does a flight from Orlando Intl. Airport (MCO) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Secure a cheap one-way flight from $65 or cheap return flight from $134 from Orlando Intl. Airport (MCO) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Orlando Intl. Airport (MCO) to Los Angeles - Ontario Intl. Airport (ONT)?
January is the cheapest month to fly from MCO to ONT. Planning your trip for the off-season is often the key to finding a great deal.
What is the cheapest airline that flies from Orlando Intl. Airport (MCO) to Los Angeles - Ontario Intl. Airport (ONT)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest MCO to ONT flight.
How many flights per day from Orlando Intl. Airport (MCO) to Los Angeles - Ontario Intl. Airport (ONT)?
There are no daily nonstop flights departing from Orlando Intl. Airport (MCO) to Los Angeles - Ontario Intl. Airport (ONT). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from MCO to ONT?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*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 Intl. Airport (MCO) to Los Angeles - Ontario Intl. Airport (ONT)?
Select a flight from Orlando Intl. Airport (MCO) to Los Angeles - Ontario Intl. Airport (ONT) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this 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.
What airports do you fly into for Ontario from Orlando Intl. Airport (MCO)?
Los Angeles Intl. Airport (LAX) is the only airport in Ontario with direct flights from Orlando Intl. Airport (MCO). Browse the options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Orlando Intl. Airport (MCO) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Last-minute fares from MCO to ONT are typically more expensive. To secure the cheapest rates, start looking for flights as early as possible. That being said, if you can play around with your travel dates, you may land a cheap ticket right before your journey.
Is it cheaper to book a MCO to ONT flight and hotel package?
Booking a MCO to ONT flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our extensive range of stays and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Orlando Intl. Airport (MCO) to Los Angeles - Ontario Intl. Airport (ONT)?
In most instances, you can reschedule or cancel your MCO to ONT flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need further information, go to our Customer Service portal.

Travel information

Origin airport
Orlando Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$134
Distance
2166 mi

Book with confidence

Orlando to Ontario Flights

The cheapest times to fly from Orlando 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 Orlando to Ontario are during the month of January. You can find some of the cheapest flights from Orlando to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Orlando to Ontario

Sunday is one of the best days to book for cheap flights from Orlando 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 Orlando 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 Orlando to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $65 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 Orlando 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 Orlando 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.

 

Orlando to Ontario Flights

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*Available to One Key members.