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Perth

$791+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PER
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
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 20, 2026.

This Mytrip deal was found by Cheapflights users on 1/18. 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.
Tue 4/1412:10 am
ONT
-
PER
3 stops33h 20m
Multiple Airlines
Fri 5/15:35 am
PER
-
ONT
2 stops26h 30m
Multiple Airlines
Deal found 1/18$1,504
This oojo deal was found by Cheapflights users on 1/17. 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.
Wed 4/1510:33 am
ONT
-
PER
2 stops41h 02m
Qatar Airways
Fri 5/110:45 pm
PER
-
ONT
2 stops38h 47m
Qatar Airways
Deal found 1/17$1,654
This Travelocity deal was found by Cheapflights users on 1/19. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:14 am
ONT
-
PER
2 stops44h 31m
Multiple Airlines
Sat 3/144:35 pm
PER
-
ONT
2 stops45h 57m
Multiple Airlines
Deal found 1/19$1,657
This Qatar Airways deal was found by Cheapflights users on 1/18. 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.
Thu 3/1910:33 am
ONT
-
PER
2 stops34h 22m
Qatar Airways
Tue 4/710:40 pm
PER
-
ONT
2 stops34h 33m
Qatar Airways
Deal found 1/18$1,701
This Qatar Airways deal was found by Cheapflights users on 1/18. 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.
Sat 3/2110:33 am
ONT
-
PER
2 stops34h 22m
Qatar Airways
Tue 4/710:40 pm
PER
-
ONT
2 stops34h 33m
Qatar Airways
Deal found 1/18$1,741
This oojo deal was found by Cheapflights users on 1/18. 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 2/1912:02 pm
ONT
-
PER
2 stops38h 43m
Qatar Airways
Wed 3/1810:45 pm
PER
-
ONT
2 stops40h 14m
Qatar Airways
Deal found 1/18$1,743
This oojo deal was found by Cheapflights users on 1/17. 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.
Sun 5/1010:39 am
ONT
-
PER
2 stops40h 56m
Qatar Airways
Thu 5/143:40 pm
PER
-
ONT
2 stops47h 18m
Qatar Airways
Deal found 1/17$1,745
This United Airlines deal was found by Cheapflights users on 1/19. 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 5/17:03 pm
ONT
-
PER
2 stops28h 37m
United Airlines
Mon 5/411:45 pm
PER
-
ONT
2 stops33h 07m
United Airlines
Deal found 1/19$1,842
This United Airlines deal was found by Cheapflights users on 1/19. 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 4/141:27 pm
ONT
-
PER
2 stops34h 13m
United Airlines
Mon 5/1110:40 pm
PER
-
ONT
2 stops26h 01m
United Airlines
Deal found 1/19$1,845
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 4/156:49 pm
ONT
-
PER
2 stops28h 51m
United Airlines
Fri 5/111:55 pm
PER
-
ONT
2 stops27h 27m
United Airlines
Deal found 1/19$1,848
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 1/211:53 pm
ONT
-
PER
2 stops29h 27m
United Airlines
Wed 1/287:20 am
PER
-
ONT
2 stops26h 23m
United Airlines
Deal found 1/20$1,849

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 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,504
(Mytrip)

One-way from

$791
(oojo)

Popular in

December

Cheapest in

October

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 ($105 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 20, 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 4/14

12:10 am-8:10 pm

2 stops29h 00m

Perth

Fri 5/1

5:35 am-5:05 pm

2 stops26h 30m

$1,552

OntarioPerth

ONT - PER

ONTPER

Ontario

Wed 4/15

10:33 am-6:35 pm

2 stops41h 02m

Perth

Fri 5/1

10:45 pm-10:32 pm

2 stops38h 47m

$1,654

OntarioPerth

ONT - PER

ONTPER

Ontario

Sun 3/1

6:14 am-6:45 pm

2 stops44h 31m

Perth

Sat 3/14

4:35 pm-11:32 pm

2 stops45h 57m

$1,657

OntarioPerth

ONT - PER

ONTPER

Ontario

Thu 3/19

10:33 am-11:55 am

2 stops34h 22m

Perth

Tue 4/7

10:40 pm-6:13 pm

2 stops34h 33m

$1,701

OntarioPerth

ONT - PER

ONTPER

Ontario

Sat 3/21

10:33 am-11:55 am

2 stops34h 22m

Perth

Tue 4/7

10:40 pm-6:13 pm

2 stops34h 33m

$1,741

OntarioPerth

ONT - PER

ONTPER

Ontario

Mon 6/15

6:53 pm-2:40 pm

2 stops28h 47m

Perth

Tue 6/30

11:45 pm-12:20 pm

2 stops27h 35m

$1,842

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

$1,842

OntarioPerth

ONT - PER

ONTPER

Ontario

Tue 4/21

1:27 pm-2:40 pm

2 stops34h 13m

Perth

Tue 5/5

10:40 pm-9:41 am

2 stops26h 01m

$1,845

OntarioPerth

ONT - PER

ONTPER

Ontario

Tue 4/14

1:27 pm-2:40 pm

2 stops34h 13m

Perth

Mon 5/11

10:40 pm-9:41 am

2 stops26h 01m

$1,845

OntarioPerth

ONT - PER

ONTPER

Ontario

Wed 4/15

6:49 pm-2:40 pm

2 stops28h 51m

Perth

Fri 5/1

11:55 pm-9:41 am

2 stops24h 46m

$1,848

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 19 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 $774). 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 41h 02m. Qatar Airways provides one of the quickest options available for as low as $1,654. There are 9359 mi between Ontario and Perth.

  • 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 $774). 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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