Cheap Flights from Perth to Ontario International

Compare Perth to Ontario International flight deals

Find the cheapest month or even day of the year to fly to Ontario International

Book the best Ontario International fare with no extra fees

Flight deals from Perth to Ontario International

Looking for a cheap last-minute deal or the best return flight from Perth Airport to Ontario International Airport? If you want to travel next month, return fares start from $3,022. Find the lowest prices on one-way and return tickets right here.

Ontario.$2,982 per passenger.Departing Thu, 18 Jun, returning Thu, 2 Jul.Return flight with Scoot and China Airlines.Outbound indirect flight with Scoot, departs from Perth on Thu, 18 Jun, arriving in Ontario International.Inbound indirect flight with China Airlines, departs from Ontario International on Thu, 2 Jul, arriving in Perth.Price includes taxes and charges.From $2,982, select.

Ontario.$3,022 per passenger.Departing Tue, 19 May, returning Tue, 26 May.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Perth on Tue, 19 May, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departs from Ontario International on Tue, 26 May, arriving in Perth.Price includes taxes and charges.From $3,022, select.

Ontario.$3,022 per passenger.Departing Sun, 19 Apr, returning Mon, 4 May.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Perth on Sun, 19 Apr, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departs from Ontario International on Mon, 4 May, arriving in Perth.Price includes taxes and charges.From $3,022, select.

Ontario.$3,038 per passenger.Departing Sun, 31 May, returning Tue, 9 Jun.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Perth on Sun, 31 May, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departs from Ontario International on Tue, 9 Jun, arriving in Perth.Price includes taxes and charges.From $3,038, select.

Ontario.$3,071 per passenger.Departing Fri, 24 Apr, returning Wed, 29 Apr.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Perth on Fri, 24 Apr, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departs from Ontario International on Wed, 29 Apr, arriving in Perth.Price includes taxes and charges.From $3,071, select.

Ontario.$3,280 per passenger.Departing Wed, 18 Nov, returning Wed, 25 Nov.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Perth on Wed, 18 Nov, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departs from Ontario International on Wed, 25 Nov, arriving in Perth.Price includes taxes and charges.From $3,280, select.

Ontario.$3,280 per passenger.Departing Mon, 19 Oct, returning Tue, 3 Nov.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Perth on Mon, 19 Oct, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departs from Ontario International on Tue, 3 Nov, arriving in Perth.Price includes taxes and charges.From $3,280, select.

Ontario.$3,286 per passenger.Departing Tue, 8 Sep, returning Tue, 22 Sep.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Perth on Tue, 8 Sep, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departs from Ontario International on Tue, 22 Sep, arriving in Perth.Price includes taxes and charges.From $3,286, select.

Ontario.$3,338 per passenger.Departing Tue, 29 Sep, returning Fri, 6 Nov.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Perth on Tue, 29 Sep, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departs from Ontario International on Fri, 6 Nov, arriving in Perth.Price includes taxes and charges.From $3,338, select.

Ontario.$3,357 per passenger.Departing Thu, 19 Nov, returning Fri, 4 Dec.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Perth on Thu, 19 Nov, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departs from Ontario International on Fri, 4 Dec, arriving in Perth.Price includes taxes and charges.From $3,357, select.

Ontario.$3,730 per passenger.Departing Sun, 14 Feb, returning Tue, 23 Feb.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Perth on Sun, 14 Feb, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departs from Ontario International on Tue, 23 Feb, arriving in Perth.Price includes taxes and charges.From $3,730, select.

Ontario.$3,736 per passenger.Departing Mon, 1 Jun, returning Wed, 10 Jun.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Perth on Mon, 1 Jun, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departs from Ontario International on Wed, 10 Jun, arriving in Perth.Price includes taxes and charges.From $3,736, select.

Ontario.$3,744 per passenger.Departing Tue, 27 Oct, returning Tue, 29 Dec.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Perth on Tue, 27 Oct, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departs from Ontario International on Tue, 29 Dec, arriving in Perth.Price includes taxes and charges.From $3,744, select.

Ontario.$3,750 per passenger.Departing Fri, 20 Nov, returning Wed, 20 Jan.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Perth on Fri, 20 Nov, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departs from Ontario International on Wed, 20 Jan, arriving in Perth.Price includes taxes and charges.From $3,750, select.

Ontario.$3,754 per passenger.Departing Tue, 18 Aug, returning Thu, 27 Aug.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Perth on Tue, 18 Aug, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departs from Ontario International on Thu, 27 Aug, arriving in Perth.Price includes taxes and charges.From $3,754, select.

Ontario.$3,784 per passenger.Departing Mon, 5 Oct, returning Mon, 12 Oct.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Perth on Mon, 5 Oct, arriving in Ontario International.Inbound indirect flight with Qatar Airways, departs from Ontario International on Mon, 12 Oct, arriving in Perth.Price includes taxes and charges.From $3,784, select.

Find the cheapest month to fly from Perth to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Perth to Ontario International flights are currently cheapest in May.

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Perth to Ontario International: Alternative routes

Compare routes from Perth to Ontario below. You may find an airport to fly into that's cheaper, faster, or easier than Ontario International.

Perth to Ontario: Flight information

The things to know before you go.

Cheapest flight found	$1,734
Cheapest month to fly	November

Finding cheap flights from Perth to Ontario International: Frequently asked questions

How much are return flights from Perth to Ontario International?

The best price we found for a return flight from Perth to Ontario International is $2,982. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Perth to Ontario International?

Currently, there are no airlines that fly direct from Perth to Ontario International. But we found flights with one or more stops from $2,982.

How many flights are there a week from Perth to Ontario International?

As of April 2026, there are no flights flying from Perth to Ontario International.

When is the cheapest time to fly from Perth to Ontario International?

The cheapest month to fly from Perth to Ontario International is usually June.

Which upcoming date is cheapest to fly from Perth Airport to Ontario International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Perth Airport to Ontario International Airport on Thursday, 18 June 2026.

Can I get a direct flight from Perth Airport to Ontario International Airport?

No airlines currently offer direct flights between Perth Airport and Ontario International Airport. Most routes have one or more stops.

How can I find the best flight deal to Ontario International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ontario International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Ontario?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ontario is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Perth Airport to Ontario International with?

Currently, Scoot offers the cheapest flight tickets to Ontario International.

Travelling from Perth Airport (PER) to Ontario International Airport (ONT): what you need to know

Ontario is 15 hours behind Perth and follows the UTC-7 timezone.
Your PER to ONT flight won't wait if you're late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.
During popular months such as July, you'll want to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead of international flights when you travel during a peak period in general.

How to find the cheapest flights from Perth Airport (PER) to Ontario International Airport (ONT)

The cheapest price we've seen for a one-way Perth Airport to Ontario International Airport flight is $1,734. A return ticket is currently $2,982. Depending on the availability when you book, these fares may change.
It's a good idea to book ahead of time if you want to find cheap tickets from PER to ONT. That's because flight prices are based on demand, which tends to rise closer to the date of departure.
The 'Whole month' search tool shows you the cheapest flights from Perth Airport to Ontario International Airport across each month. It's an easy way to snap up a bargain if your travel plans are flexible.
Finding cheap flights from PER to ONT couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll let you know when there's a better deal.
Tailor your trip using filters. Pick your departure and arrival times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Perth Airport to Ontario International Airport.

Handy information about Perth Airport (PER)

73.04% of flights leaving from Perth Airport touch down at their destination on schedule.
Perth Airport is around 16 kilometres from central Perth. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.
You can expect a journey time of around 30 minutes on public transport.
Get your trip off to a leisurely start by staying near PER. Whether you're catching an early flight from Perth Airport to Ontario International Airport or want to avoid feeling rushed, these hotels are ideal:

Arriving at Ontario International Airport (ONT)

If you have a late Perth Airport to Ontario International Airport flight, nothing tops the convenience of being close to the terminal. Grab your bags from the carousel and then be showered and resting soon after at one of these accommodation options near ONT:
Go wherever you want, whenever you want with an Ontario International Airport rental car. Pick up your wheels from Dollar, Fox - Rent A Car or Thrifty and experience more of Ontario and beyond.
Booking your ride from Ontario International Airport around three weeks ahead can help you get the lowest rate.

Getting from Ontario International Airport (ONT) to central Ontario

ONT is located at 2900 E. Airport Drive.
Ontario International Airport is approximately 6 kilometres from central Ontario. Driving there takes about 10 minutes.
If you're travelling on public transport, expect a journey of around 1 hour 30 minutes.

When to fly to Ontario International Airport (ONT)

It's time to plan your trip dates for your flight from Perth Airport to Ontario International Airport. August is the most popular month to visit Ontario. If you're after a more low-key vibe, go in May.
The warmest month in Ontario is August, with the temperature ranging between 15ºC and 35ºC. Book your flights from Perth Airport to Ontario International Airport in this month if you like this kind of weather.
January has average temperatures of between 4ºC and 23ºC. Look for cheap tickets from PER to ONT sometime around then if you'd rather travel in cooler conditions.

Explore more of United States

Los Angeles is just one of the many cities in United States waiting to be discovered once you've seen the sights of Ontario. Around 56 kilometres away to the west, popular attractions include Griffith Observatory, The Broad and La Brea Tar Pits & Museum.
Around 153 kilometres south of Ontario, San Diego is another essential stop in United States. Start your sightseeing at San Diego Zoo, USS Midway Museum and SeaWorld San Diego.