How long is the flight to Ontario?

The duration of your flight to Ontario depends on your departure and arrival airports. Obviously, any flights that include a stopover will also be longer. The most popular routes to Ontario on KAYAK are from Brisbane , which takes 12h 55m , Sydney , which takes 13h 40m, Melbourne , which takes 14h 10m, and Adelaide , which takes 17h 00m.

How long is the flight to Ontario?

The duration of your flight to Ontario depends on your departure and arrival airports. Obviously, any flights that include a stopover will also be longer. The most popular routes to Ontario on KAYAK are from Brisbane , which takes 12h 55m , Sydney , which takes 13h 40m, Melbourne , which takes 14h 10m, and Adelaide , which takes 17h 00m.

How far is Ontario Airport from central Ontario?

The distance between Ontario Airport and the city centre of Ontario is 5 km.

What is the name of Ontario’s airport?

Ontario is served by Ontario Airport, also commonly referred to as Ontario or Ontario Intl. The airport code is ONT.

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 travellers 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.

$693 CHEAP FLIGHTS to Ontario in 2026

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Cheapest return fare

$1,199

Delta

Wed 9/9Wed 16/9

SYD - ONT • 2 stops

Cheapest one-way flight

$693

United Airlines

Mon 10/8

SYD - ONT • 2 stops

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Flight Deals

Cheap Flights to Ontario

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

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One-way

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Recent return flight deals to Ontario

Wed, 9 Sep - Wed, 16 Sep

09:15 - 22:04

SYD

ONT

29h 49m

2 stops

09:52 - 06:50

ONT

SYD

27h 58m

2 stops

$1,199Delta

Thu, 29 Oct - Sat, 31 Oct

11:50 - 20:51

SYD

ONT

27h 01m

2 stops

13:29 - 09:20

ONT

SYD

49h 51m

2 stops

$1,204United Airlines

Thu, 29 Oct - Sat, 31 Oct

09:20 - 20:51

SYD

ONT

29h 31m

2 stops

13:29 - 09:20

ONT

SYD

49h 51m

2 stops

$1,206United Airlines

Wed, 13 Jan - Mon, 25 Jan

11:50 - 09:57

SYD

ONT

17h 07m

1 stop

16:03 - 06:20

ONT

SYD

19h 17m

1 stop

$1,207United Airlines

Sun, 6 Sep - Sun, 13 Sep

09:15 - 22:23

SYD

ONT

30h 08m

2 stops

06:00 - 06:50

ONT

SYD

31h 50m

2 stops

$1,249Delta

Thu, 3 Sep - Thu, 10 Sep

09:15 - 23:34

SYD

ONT

31h 19m

2 stops

06:00 - 06:50

ONT

SYD

31h 50m

2 stops

$1,252Delta

Sun, 9 Aug - Tue, 15 Sep

10:20 - 12:12

SYD

ONT

18h 52m

1 stop

13:56 - 06:55

ONT

SYD

23h 59m

1 stop

$1,254United Airlines

Mon, 17 Aug - Fri, 21 Aug

10:20 - 21:59

SYD

ONT

28h 39m

2 stops

19:13 - 06:55

ONT

SYD

18h 42m

1 stop

$1,256United Airlines

Mon, 24 Aug - Mon, 7 Sep

10:20 - 12:12

SYD

ONT

18h 52m

1 stop

19:13 - 06:55

ONT

SYD

18h 42m

1 stop

$1,277United Airlines

Fri, 21 Aug - Wed, 26 Aug

09:15 - 22:10

MEL

ONT

29h 55m

2 stops

09:31 - 23:35

ONT

MEL

45h 04m

2 stops

$1,390Multiple Airlines

Booking Insights

KAYAK's insights & trends for flights to Ontario

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

Airlines

What are the most popular airlines flying to Ontario?

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

Cheapest flight	$693

Flight from Sydney to Ontario

When to book flights to Ontario

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

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. The information is for flights to Ontario based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How far is Ontario Airport from central Ontario?
The distance between Ontario Airport and the city centre of Ontario is 5 km.
What is the name of Ontario’s airport?
Ontario is served by Ontario Airport, also commonly referred to as Ontario or Ontario Intl. The airport code is ONT.
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 travellers 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.

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

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Information on the airport you'll fly into in Ontario

Ontario (ONT)

ONT

$693 Find Cheap Flights to Ontario – Compare and Save

Everything you should know

Cheap Flights to Ontario

Recent return flight deals to Ontario

Recent one-way flight deals to Ontario

Recent last minute flight deals to Ontario

All return flight deals to Ontario

KAYAK's insights & trends for flights to Ontario

What are the most popular airlines flying to Ontario?

How long is the flight to Ontario?

Good to know – Book Cheap Ontario Plane Tickets

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When to book flights to Ontario

FAQs - booking Ontario flights

Top tips for finding cheap flights to Ontario

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario

Cabin class types available on flights to Ontario

Complete your trip to Ontario with a hotel stay or car hire

Flights to other popular destinations

Flights from local origins to Ontario

Choose which airport to fly into in OntarioOntario

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