Cheap Flights from Ontario (ONT) to Mesa (AZA)

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Find available prices by choosing your travel dates.
Flights from Ontario (ONT) to Mesa (AZA)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Phoenix - Mesa Gateway
Distance
344 mi

Ontario to Mesa Flights

The cheapest times to fly from Ontario to Mesa

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

 

The best time to book a flight from Ontario to Mesa

Sunday is one of the best days to book for cheap flights from Ontario to Mesa: 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 Ontario to Mesa

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 Ontario to Mesa in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Ontario to Mesa 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 Ontario to Mesa 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.

 

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Phoenix - Mesa Gateway Airport (AZA) cost?
Discover the latest flight deals from ONT to AZA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ONT to AZA?
The cheapest flights from ONT to AZA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ONT to AZA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from ONT to AZA. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Phoenix - Mesa Gateway Airport (AZA)?
There are no daily nonstop flights from Los Angeles - Ontario Intl. Airport (ONT) to Phoenix - Mesa Gateway Airport (AZA). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you’ll be on your way in no time.
What day of the week has the most flights from ONT to AZA?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Phoenix - Mesa Gateway Airport (AZA)?
Choose a flight from Los Angeles - Ontario Intl. Airport (ONT) to Phoenix - Mesa Gateway Airport (AZA) that leaves before 3 PM to reduce the risk of cancellations and delays. 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.
What airports do you fly into for Phoenix from Los Angeles - Ontario Intl. Airport (ONT)?
If you’re flying on a direct flight from Los Angeles - Ontario Intl. Airport (ONT) to Phoenix, Sky Harbor Intl. Airport (PHX) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Phoenix - Mesa Gateway Airport (AZA) last-minute?
Last-minute bookings from ONT to AZA are usually more expensive. To secure the cheapest rates, start searching for flights early. That being said, if you can play around with your travel dates, it’s possible to find a cheap ticket right before your trip.
Is it cheaper to book an ONT to AZA flight and hotel package?
Opting for an ONT to AZA flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of accommodations 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 Los Angeles - Ontario Intl. Airport (ONT) to Phoenix - Mesa Gateway Airport (AZA)?
Typically, you’re able to reschedule or cancel your ONT to AZA flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline’s policies and fees on flight changes, or if you need further information, head to our Customer Service portal.

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*Available to One Key members.