Perth

$946+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PER
Mar 24 — Mar 311
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Perth with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 22, 2026.

This Trip.com deal was found by Cheapflights users on 2/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:50 pm
ONT
-
PER
2 stops37h 25m
Multiple Airlines
Wed 3/185:35 am
PER
-
ONT
2 stops27h 15m
Multiple Airlines
Deal found 2/18$1,282
This Trip.com deal was found by Cheapflights users on 2/21. 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.
Sun 4/512:10 am
ONT
-
PER
2 stops41h 00m
Multiple Airlines
Sat 4/255:35 am
PER
-
ONT
2 stops27h 25m
Multiple Airlines
Deal found 2/21$1,340
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/312:10 am
ONT
-
PER
2 stops33h 25m
Multiple Airlines
Sun 4/1912:35 am
PER
-
ONT
2 stops32h 25m
Multiple Airlines
Deal found 2/20$1,380
This Gurufare deal was found by Cheapflights users on 2/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:02 pm
ONT
-
PER
2 stops31h 53m
Multiple Airlines
Sat 3/144:35 pm
PER
-
ONT
2 stops45h 57m
Multiple Airlines
Deal found 2/19$1,514
This Qatar Airways deal was found by Cheapflights users on 2/19. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:00 pm
ONT
-
PER
2 stops32h 55m
Qatar Airways
Tue 9/2910:45 pm
PER
-
ONT
2 stops34h 28m
Qatar Airways
Deal found 2/19$1,557
This Qatar Airways deal was found by Cheapflights users on 2/18. 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.
Wed 2/2512:02 pm
ONT
-
PER
2 stops31h 53m
Qatar Airways
Wed 5/610:45 pm
PER
-
ONT
2 stops40h 14m
Qatar Airways
Deal found 2/18$1,558
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:10 am
ONT
-
PER
2 stops31h 20m
Multiple Airlines
Sat 10/105:35 am
PER
-
ONT
2 stops26h 30m
Multiple Airlines
Deal found 2/19$1,595
This Qatar Airways deal was found by Cheapflights users on 2/18. 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.
Fri 2/276:14 am
ONT
-
PER
2 stops44h 31m
Qatar Airways
Mon 5/410:45 pm
PER
-
ONT
2 stops38h 47m
Qatar Airways
Deal found 2/18$1,598
This Qatar Airways deal was found by Cheapflights users on 2/19. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:00 pm
ONT
-
PER
2 stops32h 55m
Qatar Airways
Wed 9/3010:45 pm
PER
-
ONT
2 stops34h 28m
Qatar Airways
Deal found 2/19$1,626
This oojo deal was found by Cheapflights users on 2/18. 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 2/196:14 am
ONT
-
PER
2 stops44h 31m
Qatar Airways
Thu 2/2610:45 pm
PER
-
ONT
2 stops40h 47m
Qatar Airways
Deal found 2/18$1,629
This Qatar Airways deal was found by Cheapflights users on 2/18. 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.
Tue 4/2810:39 am
ONT
-
PER
2 stops34h 16m
Qatar Airways
Wed 5/610:45 pm
PER
-
ONT
2 stops35h 20m
Qatar Airways
Deal found 2/18$1,632
This Qatar Airways deal was found by Cheapflights users on 2/18. 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.
Fri 2/276:14 am
ONT
-
PER
2 stops37h 41m
Qatar Airways
Sun 5/1010:45 pm
PER
-
ONT
2 stops40h 14m
Qatar Airways
Deal found 2/18$1,638

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 February 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,282
(Trip.com)

One-way from

$947
(Qatar Airways)

Popular in

December

Cheapest in

October

Average price

$1,262
Provider with most accurate pricing for Ontario-Perth flight deals.
Provider most trusted by Cheapflights users for Ontario-Perth flights.
From Ontario to Perth
One-way flight from Ontario to Perth
Highest demand for flights based on searches. 7% potential increase in price ($117 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 22, 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

Wed 3/4

10:50 pm-4:15 am

2 stops37h 25m

Perth

Wed 3/18

5:35 am-5:50 pm

2 stops27h 15m

$1,282

OntarioPerth

ONT - PER

ONTPER

Ontario

Sun 4/5

12:10 am-8:10 am

2 stops41h 00m

Perth

Sat 4/25

5:35 am-6:00 pm

2 stops27h 25m

$1,340

OntarioPerth

ONT - PER

ONTPER

Ontario

Tue 4/28

10:39 am-11:55 am

2 stops34h 16m

Perth

Wed 5/6

10:45 pm-7:05 pm

2 stops35h 20m

$1,632

OntarioPerth

ONT - PER

ONTPER

Ontario

Tue 6/23

6:39 pm-2:40 pm

2 stops29h 01m

Perth

Mon 9/21

11:45 pm-12:20 pm

2 stops27h 35m

$1,715

OntarioPerth

ONT - PER

ONTPER

Ontario

Mon 4/27

6:49 pm-2:40 pm

2 stops28h 51m

Perth

Mon 5/11

10:40 pm-9:41 am

2 stops26h 01m

$1,718

OntarioPerth

ONT - PER

ONTPER

Ontario

Sat 5/23

6:39 pm-4:00 pm

2 stops30h 21m

Perth

Sun 5/31

11:45 pm-12:12 pm

2 stops27h 27m

$1,763

OntarioPerth

ONT - PER

ONTPER

Ontario

Wed 3/4

1:50 pm-11:20 am

2 stops29h 30m

Perth

Wed 3/18

11:45 pm-12:18 pm

2 stops27h 33m

$1,767

OntarioPerth

ONT - PER

ONTPER

Ontario

Thu 3/26

10:33 am-11:55 am

2 stops34h 22m

Perth

Mon 4/13

10:45 pm-6:13 pm

2 stops34h 28m

$1,820

OntarioPerth

ONT - PER

ONTPER

Ontario

Fri 5/1

10:37 am-12:55 pm

2 stops35h 18m

Perth

Mon 5/4

11:45 pm-5:52 pm

2 stops33h 07m

$1,852

OntarioPerth

ONT - PER

ONTPER

Ontario

Sat 6/13

1:50 pm-12:30 pm

2 stops31h 40m

Perth

Tue 6/16

10:40 pm-12:12 pm

2 stops28h 32m

$1,859

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 22 results
1
2
3
  • 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 $769). 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 22m. Qatar Airways provides one of the quickest options available for as low as $1,558. 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 $769). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.