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Perth

$723+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PER
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find 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 October 28, 2025.

This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:50 pmONT - PER
2 stops37h 40mMultiple Airlines
Tue 11/115:15 amPER - ONT
2 stops27h 35mMultiple Airlines
Deal found 10/28$1,320
This oojo deal was found by Cheapflights users on 10/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:00 amONT - PER
2 stops45h 45mQatar Airways
Tue 11/410:45 pmPER - ONT
2 stops38h 08mQatar Airways
Deal found 10/27$1,679
This oojo deal was found by Cheapflights users on 10/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/811:59 amONT - PER
2 stops38h 46mQatar Airways
Sat 11/1510:45 pmPER - ONT
2 stops40h 47mQatar Airways
Deal found 10/27$1,692
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:47 amONT - PER
2 stops33h 38mAmerican Airlines
Fri 11/2810:40 pmPER - ONT
2 stops31h 24mAmerican Airlines
Deal found 10/28$1,894
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Thu 11/66:38 pmONT - PER
2 stops28h 07mUnited Airlines
Mon 11/1011:45 pmPER - ONT
2 stops28h 52mUnited Airlines
Deal found 10/25$1,928
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/101:50 pmONT - PER
2 stops32h 40mUnited Airlines
Sun 12/1410:55 pmPER - ONT
2 stops29h 22mUnited Airlines
Deal found 10/28$2,070
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 12/106:41 pmONT - PER
2 stops25h 49mUnited Airlines
Wed 12/1711:45 pmPER - ONT
2 stops33h 58mUnited Airlines
Deal found 10/26$2,170
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/281:40 pmONT - PER
2 stops32h 50mUnited Airlines
Fri 12/1911:30 pmPER - ONT
2 stops26h 29mUnited Airlines
Deal found 10/27$2,227
This oojo deal was found by Cheapflights users on 10/28. 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 11/236:00 amONT - PER
2 stops44h 45mQatar Airways
Fri 11/2810:45 pmPER - ONT
2 stops41h 14mQatar Airways
Deal found 10/28$2,402

Cheap 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 October 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,176
(Trip.com)

One-way from

$723
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$1,212
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. 17% potential increase in price ($311 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 28, 2025.
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

Sun 3/1

6:37 pm-2:45 pm

2 stops28h 08m

Perth

Sun 3/15

11:45 pm-12:17 pm

2 stops27h 32m

$1,577

OntarioPerth

ONT - PER

ONTPER

Ontario

Sat 2/7

11:53 am-11:55 am

2 stops32h 02m

Perth

Tue 2/24

10:45 pm-6:17 pm

2 stops35h 32m

$1,599

OntarioPerth

ONT - PER

ONTPER

Ontario

Wed 2/25

1:45 pm-2:45 pm

2 stops33h 00m

Perth

Wed 3/4

10:55 pm-12:17 pm

2 stops29h 22m

$1,606

OntarioPerth

ONT - PER

ONTPER

Ontario

Wed 12/10

1:50 pm-2:30 pm

2 stops32h 40m

Perth

Sun 12/14

10:55 pm-12:17 pm

2 stops29h 22m

$2,070

OntarioPerth

ONT - PER

ONTPER

Ontario

Wed 12/10

6:41 pm-12:30 pm

2 stops25h 49m

Perth

Wed 12/17

11:45 pm-5:43 pm

2 stops33h 58m

$2,170

OntarioPerth

ONT - PER

ONTPER

Ontario

Fri 11/28

1:40 pm-2:30 pm

2 stops32h 50m

Perth

Fri 12/19

11:30 pm-9:59 am

2 stops26h 29m

$2,227

OntarioPerth

ONT - PER

ONTPER

Ontario

Sat 3/14

11:30 am-11:55 am

2 stops33h 25m

Perth

Sat 3/28

10:45 pm-6:19 pm

2 stops34h 34m

$2,264

OntarioPerth

ONT - PER

ONTPER

Ontario

Sun 11/23

6:00 am-6:45 pm

2 stops44h 45m

Perth

Fri 11/28

10:45 pm-11:59 pm

2 stops41h 14m

$2,402

OntarioPerth

ONT - PER

ONTPER

Ontario

Tue 12/9

1:50 pm-2:45 pm

2 stops32h 55m

Perth

Sat 12/20

10:55 pm-10:01 am

2 stops27h 06m

$2,546

OntarioPerth

ONT - PER

ONTPER

Ontario

Sat 11/22

6:38 pm-2:30 pm

2 stops27h 52m

Perth

Wed 11/26

11:45 pm-12:37 pm

2 stops28h 52m

$2,600

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 14 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 $771). Flying from Ontario to Perth in December is currently the most expensive (average of $1,395). 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 28h 08m. United Airlines provides one of the quickest options available for as low as $1,577. 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 $771). Flying from Ontario to Perth in December is currently the most expensive (average of $1,395). 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
Fremantle
Rottnest Island
Scarborough

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