$461 Find Cheap Flights from Australia to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ontario departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Ontario, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$668
Typical prices: $820-$842
Hawaiian Airlines
Thu 2/5Thu 2/19
SYD - ONT • 1 stop
Cheapest one-way
$449
Hawaiian Airlines
Thu 12/4
SYD - ONT • 1 stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Ontario!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Australia to Ontario

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Australia to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Australia to Ontario

Thu, Feb 5 - Thu, Feb 19
Hawaiian Airlines Logo
9:40 pm - 10:28 pmSYD-ONT
19h 48m1 stop
Hawaiian Airlines Logo
8:41 am - 7:45 pmONT-SYD
40h 04m1 stop
$668Hawaiian Airlines
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Sun, Jan 25 - Mon, Jan 26
Alaska Airlines Logo
9:40 pm - 10:28 pmSYD-ONT
19h 48m1 stop
Alaska Airlines Logo
8:13 am - 7:45 pmONT-SYD
40h 32m1 stop
$719Alaska Airlines
Find Deal
Wed, Jan 21 - Thu, Jan 29
Hawaiian Airlines Logo
9:40 pm - 10:28 pmSYD-ONT
19h 48m1 stop
Hawaiian Airlines Logo
8:13 am - 7:45 pmONT-SYD
40h 32m1 stop
$732Hawaiian Airlines
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Thu, Dec 11 - Sun, Jan 4
United Airlines Logo
12:10 pm - 5:37 pmSYD-ONT
24h 27m1 stop
United Airlines Logo
6:00 am - 6:20 amONT-SYD
29h 20m1 stop
$743United Airlines
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Tue, Jan 20 - Sat, Jan 24
United Airlines Logo
12:10 pm - 5:51 pmSYD-ONT
24h 41m1 stop
United Airlines Logo
6:32 pm - 6:20 amONT-SYD
40h 48m1 stop
$746United Airlines
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Sun, Jan 18 - Sun, Feb 1
United Airlines Logo
11:40 am - 11:18 amBNE-ONT
17h 38m1 stop
United Airlines Logo
6:39 pm - 7:30 amONT-BNE
18h 51m1 stop
$781United Airlines
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Mon, Feb 9 - Wed, Feb 18
United Airlines Logo
11:40 am - 11:18 amBNE-ONT
17h 38m1 stop
United Airlines Logo
1:45 pm - 7:30 amONT-BNE
23h 45m1 stop
$782United Airlines
Find Deal
Tue, Feb 10 - Tue, Feb 17
United Airlines Logo
11:40 am - 5:43 pmBNE-ONT
24h 03m1 stop
United Airlines Logo
1:45 pm - 7:30 amONT-BNE
23h 45m2 stops
$783United Airlines
Find Deal
Tue, Mar 10 - Fri, Mar 20
Alaska Airlines Logo
9:40 pm - 8:55 pmSYD-ONT
17h 15m1 stop
Alaska Airlines Logo
9:50 am - 7:45 pmONT-SYD
39h 55m1 stop
$784Alaska Airlines
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Sun, Jan 18 - Tue, Jan 27
Hawaiian Airlines Logo
9:40 pm - 10:28 pmSYD-ONT
19h 48m1 stop
Hawaiian Airlines Logo
8:13 am - 7:45 pmONT-SYD
40h 32m1 stop
$788Hawaiian Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for flights to Ontario

Get data-powered insights and trends for flights to Ontario to help you find the cheapest flights, the best time to fly and much more.

What are the most popular airlines flying to Ontario?

The most popular airline among KAYAK users flying to Ontario is Qantas Airways, followed by United Airlines and Fiji Airways.

Good to know

Low seasonSeptember
Cheapest flight$449
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly with an average 22% increase in price.
Flight from Sydney to Ontario

FAQs - booking Ontario flights

  • How far is Ontario Airport from central Ontario?

    Ontario Airport is 3 miles from the center of Ontario.

  • What is the name of Ontario’s airport?

    When flying to Ontario, you'll arrive at Ontario Airport (ONT). The airport is also known as Ontario or Ontario Intl.

  • What is the cheapest day to fly to Ontario?

    Based on KAYAK data, the cheapest day to fly to Ontario is Tuesday where tickets can be as cheap as $1,360. On the other hand, the most expensive day to fly is Tuesday, where prices are $1,360 on average.

  • How does KAYAK find such low prices on flights to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to Ontario are there each week?

    Each week there are around 771 direct flights from within Australia to Ontario. The most common day for departures is Friday, with 17% of flights taking off on this day.

Top tips for finding cheap flights to Ontario

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Ontario flight deals.

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario