Which airports can I use when flying from Ontario to Perth?

Flights from Ontario to Perth usually depart from Ontario (ONT) and arrive at Perth (PER).

What popular places can I visit in Perth?

Some of the most popular sights in Perth are RAC Arena, Perth Convention Exhibition Centre and 100 St Georges Terrace. These are among the most viewed places in Perth on KAYAK.

Do I need a passport to fly from Ontario to Perth?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

What is the time difference between Ontario and Perth?

Perth is 15 hours ahead of Ontario (Western Australia Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Perth Airport (PER)?

Perth Airport (PER) hosts 5 major car rental companies, with daily rates starting from around $12 for economy cars. Top options include: • EverythingFleet • East Coast Car Rentals • Europcar • Ace Rental Cars • Bargain Car Rentals

$754 CHEAP FLIGHTS from Ontario to Perth (ONT - PER)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Perth!

Flight Deals

Cheap Flights from Ontario to Perth (ONT-PER)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Perth

Sun, Nov 1 - Sun, Nov 8

4:17 pm - 2:45 pmONT Ontario-PER Perth

30h 28m2 stops San Francisco Melbourne

10:30 pm - 12:29 pmPER Perth-ONT Ontario

29h 59m2 stops Brisbane San Francisco

$1,492United Airlines

Tue, Nov 3 - Tue, Nov 10

4:17 pm - 2:45 pmONT Ontario-PER Perth

30h 28m2 stops San Francisco Melbourne

11:45 pm - 12:29 pmPER Perth-ONT Ontario

28h 44m2 stops Melbourne San Francisco

$1,495United Airlines

Sat, Mar 6 - Sun, Mar 14

6:53 pm - 12:30 pmONT Ontario-PER Perth

25h 37m2 stops San Francisco Brisbane

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

26h 27m2 stops Brisbane San Francisco

$1,539United Airlines

Sun, Nov 15 - Wed, Dec 9

6:37 pm - 2:45 pmONT Ontario-PER Perth

28h 08m2 stops San Francisco Melbourne

10:30 pm - 3:35 pmPER Perth-ONT Ontario

33h 05m2 stops Brisbane San Francisco

$1,542United 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

$1,547United 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

$1,548United Airlines

Wed, Oct 14 - Sun, Oct 18

12:10 am - 8:40 pmONT Ontario-PER Perth

29h 30m2 stops Taipei City Taiwan Taoyuan Intl Denpasar Bali Ngurah Rai

9:10 pm - 5:05 pmPER Perth-ONT Ontario

34h 55m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl

$1,570Multiple Airlines

Sat, Mar 13 - Tue, Mar 23

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

$1,776United Airlines

Tue, Sep 29 - Sat, Oct 10

12:10 am - 10:30 pmONT Ontario-PER Perth

31h 20m2 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City

5:35 am - 6:00 pmPER Perth-ONT Ontario

27h 25m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl

$1,792Multiple Airlines

Wed, Oct 14 - Fri, Oct 23

12:10 am - 9:35 pmONT Ontario-PER Perth

30h 25m2 stops Taipei City Taiwan Taoyuan Intl Denpasar Bali Ngurah Rai

4:45 am - 6:00 pmPER Perth-ONT Ontario

28h 15m2 stops Kuala Lumpur Intl Taipei City Taiwan Taoyuan Intl

$1,793Multiple Airlines

Booking Insights

Price, demand and travel trends for Ontario to Perth flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Ontario to Perth with more confidence.

What is the cheapest airline to fly from Ontario to Perth?

United Airlines ($1,492) offered the cheapest round-trip ticket from Ontario to Perth in the last 5 days.

Find deals

Cheapest flight	$754

Flight from Ontario to Perth

When to book flights from Ontario to Perth

Are your dates flexible? Find out the best times to travel from Ontario to Perth based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Ontario to Perth?
Flights from Ontario to Perth usually depart from Ontario (ONT) and arrive at Perth (PER).
What popular places can I visit in Perth?
Some of the most popular sights in Perth are RAC Arena, Perth Convention Exhibition Centre and 100 St Georges Terrace. These are among the most viewed places in Perth on KAYAK.
Do I need a passport to fly from Ontario to Perth?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
What is the time difference between Ontario and Perth?
Perth is 15 hours ahead of Ontario (Western Australia Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Perth Airport (PER)?
Perth Airport (PER) hosts 5 major car rental companies, with daily rates starting from around $12 for economy cars. Top options include:
• EverythingFleet
• East Coast Car Rentals
• Europcar
• Ace Rental Cars
• Bargain Car Rentals

If you're arriving late at night and need somewhere to stay, check out these hotels close to Perth Airport.
- Sanno Marracoonda Perth Airport Hotel

More options for your flight from Ontario to Perth

Add a hotel or car rental

Airports

Cabin class

Direct Flights

Origins

Other destinations

Complete your trip to Perth with a hotel stay or car rental

Car rentals in Perth

Hotels in Perth

Vacations in Perth

ONT - PER

$754 Find Cheap Flights from Ontario to Perth - Compare and Save

Everything you should know

Cheap Flights from Ontario to Perth (ONT-PER)

Recent round-trip flight deals from Ontario to Perth

Recent one-way flight deals from Ontario to Perth

Recent last minute flight deals from Ontario to Perth

Price, demand and travel trends for Ontario to Perth flights

What is the cheapest airline to fly from Ontario to Perth?

Key details for Ontario to Perth flights

Cheapest flight

When to book flights from Ontario to Perth

Your Ontario to Perth flight questions, answered

Your guide to booking Ontario to Perth flights

More options for your flight from Ontario to Perth

Complete your trip to Perth with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Perth

Find direct flights to and from Ontario and Perth

Flights from domestic origins to Perth

Flights to other popular destinations