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Perth

$829+ Cheap flights from Ontario (ONT) to Perth (PER)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PER
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Ontario to Perth

Cheapest flights from Ontario to Perth
Explore the most affordable flight options available from Ontario to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Qatar Airways deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:00 pm
ONT
-
PER
2 stops31h 55m
Qatar Airways
Mon 11/2310:45 pm
PER
-
ONT
2 stops35h 47m
Qatar Airways
Deal found 1/27$1,554
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:27 pm
ONT
-
PER
2 stops34h 13m
United Airlines
Tue 4/2111:45 pm
PER
-
ONT
2 stops27h 29m
United Airlines
Deal found 1/26$1,707
This oojo deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:00 am
ONT
-
PER
2 stops45h 45m
Qatar Airways
Fri 3/273:55 pm
PER
-
ONT
2 stops47h 04m
Qatar Airways
Deal found 1/25$1,712
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 am
ONT
-
PER
2 stops45h 35m
Qatar Airways
Wed 4/2210:45 pm
PER
-
ONT
2 stops40h 14m
Qatar Airways
Deal found 1/26$1,723
This oojo deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/810:39 am
ONT
-
PER
2 stops34h 16m
Qatar Airways
Sat 5/3010:45 pm
PER
-
ONT
2 stops40h 13m
Qatar Airways
Deal found 1/24$1,737
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:53 pm
ONT
-
PER
2 stops27h 52m
United Airlines
Mon 11/2311:45 pm
PER
-
ONT
2 stops28h 35m
United Airlines
Deal found 1/26$1,757
This Mytrip deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:10 am
ONT
-
PER
3 stops33h 20m
Multiple Airlines
Tue 4/211:30 am
PER
-
ONT
2 stops31h 30m
Multiple Airlines
Deal found 1/26$1,796
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:00 pm
ONT
-
PER
2 stops38h 45m
Qatar Airways
Mon 11/2310:45 pm
PER
-
ONT
2 stops35h 47m
Qatar Airways
Deal found 1/26$1,840
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:37 am
ONT
-
PER
2 stops37h 03m
United Airlines
Mon 5/411:45 pm
PER
-
ONT
2 stops33h 07m
United Airlines
Deal found 1/25$1,844
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:53 pm
ONT
-
PER
2 stops27h 37m
United Airlines
Sun 11/2211:45 pm
PER
-
ONT
2 stops28h 35m
United Airlines
Deal found 1/26$1,851
This oojo deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/26:00 am
ONT
-
PER
2 stops37h 55m
Qatar Airways
Thu 2/1910:45 pm
PER
-
ONT
2 stops40h 47m
Qatar Airways
Deal found 1/25$1,859
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:00 am
ONT
-
PER
2 stops38h 55m
Qatar Airways
Sat 8/1510:40 pm
PER
-
ONT
2 stops40h 16m
Qatar Airways
Deal found 1/26$1,903

Find flight deals from Ontario to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Perth (PER). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,707
(United Airlines)

One-way from

$829
(Qatar Airways)

Popular in

December

Cheapest in

March

Average price

$1,386
Provider with most accurate pricing for Ontario-Perth flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Perth flights.
Search Deals
From Ontario to Perth
Search Deals
One-way flight from Ontario to Perth
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Ontario to Perth that are best for you.

Fly from

Ontario

Fly to

Perth

Route

Depart

Return

Price

OntarioPerth

ONT - PER

ONTPER

Ontario

Tue 4/7

1:27 pm-2:40 pm

2 stops34h 13m

Perth

Tue 4/21

11:45 pm-12:14 pm

2 stops27h 29m

$1,707

OntarioPerth

ONT - PER

ONTPER

Ontario

Mon 3/23

6:00 am-6:45 pm

2 stops45h 45m

Perth

Fri 3/27

3:55 pm-11:59 pm

2 stops47h 04m

$1,712

OntarioPerth

ONT - PER

ONTPER

Ontario

Mon 4/13

6:00 am-6:35 pm

2 stops45h 35m

Perth

Wed 4/22

10:45 pm-11:59 pm

2 stops40h 14m

$1,723

OntarioPerth

ONT - PER

ONTPER

Ontario

Fri 5/8

10:39 am-11:55 am

2 stops34h 16m

Perth

Sat 5/30

10:45 pm-11:58 pm

2 stops40h 13m

$1,737

OntarioPerth

ONT - PER

ONTPER

Ontario

Sun 4/12

12:10 am-12:30 am

3 stops33h 20m

Perth

Tue 4/21

1:30 am-6:00 pm

2 stops31h 30m

$1,796

OntarioPerth

ONT - PER

ONTPER

Ontario

Fri 5/1

1:30 pm-2:40 pm

2 stops34h 10m

Perth

Mon 5/4

11:45 pm-5:52 pm

2 stops33h 07m

$1,844

OntarioPerth

ONT - PER

ONTPER

Ontario

Thu 3/5

1:40 pm-2:45 pm

2 stops33h 05m

Perth

Fri 3/20

11:45 pm-12:18 pm

2 stops27h 33m

$2,169

OntarioPerth

ONT - PER

ONTPER

Ontario

Mon 4/13

10:33 am-11:55 am

2 stops34h 22m

Perth

Sat 4/25

10:45 pm-7:05 pm

2 stops35h 20m

$2,227

OntarioPerth

ONT - PER

ONTPER

Ontario

Mon 3/23

10:33 am-11:55 am

2 stops34h 22m

Perth

Wed 4/8

10:40 pm-6:13 pm

2 stops34h 33m

$2,313

OntarioPerth

ONT - PER

ONTPER

Ontario

Wed 6/24

12:13 pm-11:55 am

2 stops32h 42m

Perth

Sat 8/29

10:40 pm-6:13 pm

2 stops34h 33m

$2,382

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 16 results
1
2
  • Most accurate provider: When it comes to deals on Ontario-Perth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Perth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Perth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Perth flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Perth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Perth

What is the cheapest month to book a flight from Ontario to Perth?

Currently, September is the cheapest month in which you can book a flight from Ontario to Perth (average of $776). Flying from Ontario to Perth in December is currently the most expensive (average of $1,272). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Perth?

    A quick flight from Ontario to Perth can take about 34h 13m. United Airlines provides one of the quickest options available for as low as $1,707. There are 9359 mi between Ontario and Perth. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Ontario to Perth that include hotel bookings?

    Yes. In addition to deals on Ontario to Perth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Perth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Perth.

  • Can I find deals for business class flights from Ontario to Perth?

    Yes. Cheapflights offers flight deals from Ontario to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Perth?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Perth (average of $776). Flying from Ontario to Perth in December is currently the most expensive (average of $1,272). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Rottnest Island
Scarborough

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