Cheap Flights from Adelaide (ADL) to Ontario (ONO)

Popular airlines from Adelaide, SA Airport (ADL) to Ontario, OR (ONO-Ontario Municipal)

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Flights from Adelaide (ADL) to Ontario (ONO)
Origin airport
Adelaide
Destination airport
Ontario Municipal
Distance
8502 mi

Adelaide to Ontario Flights

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

 

The best time to book a flight from Adelaide to Ontario

Sunday is one of the best days to book for cheap flights from Adelaide 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 Adelaide 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 Adelaide to Ontario 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 Adelaide 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 Adelaide 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.

 

Frequently asked questions

How much does a flight from Adelaide Airport (ADL) to Ontario, OR (ONO-Ontario Municipal) cost?
Grab a cheap one-way flight or cheap return flight from Adelaide Airport (ADL) to Ontario, OR (ONO-Ontario Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Adelaide Airport (ADL) to Ontario, OR (ONO-Ontario Municipal)?
is the least expensive month to fly from ADL to ONO. Traveling during an off-peak travel window is often the key to scoring lower fares.
What is the cheapest airline that flies from Adelaide Airport (ADL) to Ontario, OR (ONO-Ontario Municipal)?
To find the cheapest airline that'll fly you from ADL to ONO, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Adelaide Airport (ADL) to Ontario, OR (ONO-Ontario Municipal)?
Nonstop flights from Adelaide Airport (ADL) to Ontario, OR (ONO-Ontario Municipal) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ADL to ONO?
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 public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Adelaide Airport (ADL) to Ontario, OR (ONO-Ontario Municipal)?
To reach Ontario, OR (ONO-Ontario Municipal) without delays, select a flight that leaves Adelaide Airport (ADL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Adelaide Airport (ADL) to Ontario, OR (ONO-Ontario Municipal) last-minute?
Booking your flight from ADL to ONO just before your trip is typically more expensive. But if there's some wiggle room with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an ADL to ONO flight and hotel package?
Booking an ADL to ONO flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Adelaide Airport (ADL) to Ontario, OR (ONO-Ontario Municipal)?
If you booked your ADL to ONO flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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