When did momondo last update prices for flights from Ontario Airport to Perth Airport?

Prices for flights from Ontario Airport to Perth Airport are updated daily.

How old do you have to be to fly from Ontario Airport to Perth Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Perth Airport.

What documentation or ID do you need to fly to Perth Airport?

The required travel and health documents for your Perth Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Perth Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$753 Cheap Flights from Ontario to Perth in 2026

Find the cheapest flights from Ontario to Perth

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:02 am - 6:50 amONT Ontario-PER Perth

33h 48m2 stops Seattle/Tacoma Intl Hong Kong Intl

12:25 am - 6:00 pmPER Perth-ONT Ontario

32h 35m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,464Multiple Airlines

Tue, Oct 20 - Mon, Oct 26

6:02 am - 6:50 amONT Ontario-PER Perth

33h 48m2 stops Seattle/Tacoma Intl Hong Kong Intl

12:25 am - 11:42 pmPER Perth-ONT Ontario

38h 17m2 stops Hong Kong Intl Seattle/Tacoma Intl

$1,498Multiple Airlines

Mon, Oct 19 - Sun, Oct 25

6:02 am - 6:50 amONT Ontario-PER Perth

33h 48m2 stops Seattle/Tacoma Intl Hong Kong Intl

8:30 am - 1:16 pmPER Perth-ONT Ontario

43h 46m3 stops Hong Kong Intl San Francisco Seattle/Tacoma Intl

$1,501Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

6:02 am - 6:50 amONT Ontario-PER Perth

33h 48m3 stops Seattle/Tacoma Intl Vancouver Intl Hong Kong Intl

8:30 am - 1:16 pmPER Perth-ONT Ontario

43h 46m3 stops Hong Kong Intl Vancouver Intl Seattle/Tacoma Intl

$1,539Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

6:40 pm - 2:45 pmONT Ontario-PER Perth

28h 05m2 stops San Francisco Melbourne

7:20 am - 5:46 pmPER Perth-ONT Ontario

26h 26m2 stops Adelaide San Francisco

$1,542United Airlines

Fri, Dec 11 - Mon, Dec 21

1:33 pm - 12:30 pmONT Ontario-PER Perth

30h 57m2 stops San Francisco Brisbane

10:55 pm - 3:27 pmPER Perth-ONT Ontario

31h 32m2 stops Sydney Kingsford Smith San Francisco

$1,545United Airlines

Mon, Mar 8 - Wed, Mar 17

6:00 am - 11:20 amONT Ontario-PER Perth

38h 20m2 stops Houston George Bush Intcntl Sydney Kingsford Smith

3:15 pm - 3:33 pmPER Perth-ONT Ontario

40h 18m2 stops Sydney Kingsford Smith San Francisco

$1,549United Airlines

Sat, Oct 31 - Tue, Nov 3

6:00 am - 11:20 amONT Ontario-PER Perth

38h 20m2 stops Houston George Bush Intcntl Sydney Kingsford Smith

3:15 pm - 3:33 pmPER Perth-ONT Ontario

40h 18m2 stops Sydney Kingsford Smith San Francisco

$1,550United Airlines

Sat, Oct 31 - Tue, Nov 3

4:03 pm - 12:30 pmONT Ontario-PER Perth

28h 27m2 stops San Francisco Brisbane

10:30 pm - 9:57 amPER Perth-ONT Ontario

26h 27m2 stops Brisbane San Francisco

$1,590United Airlines

Thu, Mar 4 - Thu, Mar 18

12:10 am - 1:55 amONT Ontario-PER Perth

34h 45m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi

5:35 am - 6:05 pmPER Perth-ONT Ontario

27h 30m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl

$1,634Multiple Airlines

Thu, Oct 22 - Sun, Oct 25

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United Airlines flights from Ontario to Perth

Our best United Airlines deals on Ontario to Perth flight tickets

United Airlines

Dec 11

ONT6:40 pmOntario

28h 05m

2 stops

PER2:45 pmPerth

Dec 21

PER7:20 amPerth

26h 26m

2 stops

ONT5:46 pmOntario

$1,542

United Airlines

Mar 8

ONT1:33 pmOntario

30h 57m

2 stops

PER12:30 pmPerth

Mar 17

PER10:55 pmPerth

31h 32m

2 stops

ONT3:27 pmOntario

$1,545

United Airlines

Oct 31

ONT6:00 amOntario

38h 20m

2 stops

PER11:20 amPerth

Nov 3

PER3:15 pmPerth

40h 18m

2 stops

ONT3:33 pmOntario

$1,549

Qatar Airways flights from Ontario to Perth

Our best Qatar Airways deals on Ontario to Perth flight tickets

Qatar Airways

Sep 14

ONT12:12 pmOntario

39h 23m

2 stops

PER6:35 pmPerth

Sep 21

PER10:45 pmPerth

35h 18m

2 stops

ONT7:03 pmOntario

$1,982

Qatar Airways

Oct 26

ONT11:13 amOntario

40h 32m

2 stops

PER6:45 pmPerth

Nov 9

PER10:45 pmPerth

35h 32m

2 stops

ONT6:17 pmOntario

$1,986

Qatar Airways

Oct 30

ONT11:13 amOntario

40h 32m

2 stops

PER6:45 pmPerth

Nov 14

PER10:45 pmPerth

35h 32m

2 stops

ONT6:17 pmOntario

$2,063

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioPerth

ONT Ontario - PER Perth

ONTPER

Ontario

Tue 10/20

6:02 am-6:50 am

2 stops33h 48m

Perth

Mon 10/26

12:25 am-6:00 pm

2 stops32h 35m

$1,464

OntarioPerth

ONT Ontario - PER Perth

ONTPER

Ontario

Mon 10/19

6:02 am-6:50 am

2 stops33h 48m

Perth

Sun 10/25

12:25 am-11:42 pm

2 stops38h 17m

$1,498

OntarioPerth

ONT Ontario - PER Perth

ONTPER

Ontario

Tue 10/20

6:02 am-6:50 am

2 stops33h 48m

Perth

Tue 10/27

8:30 am-1:16 pm

3 stops43h 46m

$1,501

OntarioPerth

ONT Ontario - PER Perth

ONTPER

Ontario

Tue 10/20

6:02 am-6:50 am

3 stops33h 48m

Perth

Tue 10/27

8:30 am-1:16 pm

3 stops43h 46m

$1,539

Quickest round-trip

OntarioPerth

ONT Ontario - PER Perth

ONTPER

Ontario

Fri 12/11

6:40 pm-2:45 pm

2 stops28h 05m

Perth

Mon 12/21

7:20 am-5:46 pm

2 stops26h 26m

$1,542

OntarioPerth

ONT Ontario - PER Perth

ONTPER

Ontario

Mon 3/8

1:33 pm-12:30 pm

2 stops30h 57m

Perth

Wed 3/17

10:55 pm-3:27 pm

2 stops31h 32m

$1,545

OntarioPerth

ONT Ontario - PER Perth

ONTPER

Ontario

Sat 10/31

6:00 am-11:20 am

2 stops38h 20m

Perth

Tue 11/3

3:15 pm-3:33 pm

2 stops40h 18m

$1,549

OntarioPerth

ONT Ontario - PER Perth

ONTPER

Ontario

Sat 10/31

6:00 am-11:20 am

2 stops38h 20m

Perth

Tue 11/3

3:15 pm-3:33 pm

2 stops40h 18m

$1,550

OntarioPerth

ONT Ontario - PER Perth

ONTPER

Ontario

Thu 3/4

4:03 pm-12:30 pm

2 stops28h 27m

Perth

Thu 3/18

10:30 pm-9:57 am

2 stops26h 27m

$1,590

OntarioPerth

ONT Ontario - PER Perth

ONTPER

Ontario

Thu 10/22

12:10 am-1:55 am

2 stops34h 45m

Perth

Sun 10/25

5:35 am-6:05 pm

2 stops27h 30m

$1,634

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Perth?

United Airlines is the most popular carrier operating from Ontario to Perth

What airlines fly to Perth?

Qantas Airways, Cathay Pacific and Air New Zealand are the top three most popular airlines that fly to Perth from Ontario according to our data. Qantas Airways is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Perth. Keep in mind that there are 6 different airlines that fly to Perth on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Perth according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Perth (ONT to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Perth

Best Price Found	$753
Fastest flight time	26h 37m
Direct flights	None

The best one-way flight to Perth from Ontario in the past 72 hours is $753. The best round-trip flight deal from Ontario to Perth found on momondo in the last 72 hours is $1,464.

The fastest flight from Ontario to Perth takes 26h 37m

There are no direct flights from Ontario to Perth. There are no popular flight routes from Ontario to Perth.

Search flight deals

Frequently asked questions about flying from Ontario to Perth

How far is Ontario to Perth by plane?
Perth is 9362.2 mi away from Ontario. By plane, this route typically takes 26h 37m.
When did momondo last update prices for flights from Ontario Airport to Perth Airport?
Prices for flights from Ontario Airport to Perth Airport are updated daily.
How old do you have to be to fly from Ontario Airport to Perth Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Perth Airport.
What documentation or ID do you need to fly to Perth Airport?
The required travel and health documents for your Perth Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Perth Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Rottnest Island

Fremantle

Mandurah

Scarborough

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Perth?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Perth. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Perth with flexible booking policies on momondo?

Flights from Ontario to Perth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Perth?

momondo helps you find the best flight between Ontario and Perth by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Perth right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Perth, momondo offers a useful price alert feature which will track prices for flights to Perth from Ontario and alert you when they change.