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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$848 CHEAP FLIGHTS to Ontario in 2026

ONT

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

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Cheapest return fare

$1,387

Multiple Airlines

Fri 24/4Wed 3/6

SYD - ONT • 1 stop

Cheapest one-way flight

$822

Multiple Airlines

Tue 5/5

SYD - ONT • 1 stop

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We hope you love your trip to Ontario!

Flight Deals

Cheap Flights to Ontario

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

Round-trip

One-way

Last minute

All Flight Deals

Recent return flight deals to Ontario

Fri, 24 Apr - Wed, 3 Jun

20:45 - 21:10

SYD

ONT

17h 25m

1 stop

09:40 - 18:50

ONT

SYD

40h 10m

1 stop

$1,387Multiple Airlines

Tue, 28 Apr - Thu, 28 May

20:45 - 21:10

SYD

ONT

17h 25m

1 stop

09:40 - 18:50

ONT

SYD

40h 10m

1 stop

$1,389Multiple Airlines

Thu, 6 Aug - Thu, 27 Aug

20:45 - 21:45

SYD

ONT

18h 00m

1 stop

07:20 - 18:50

ONT

SYD

18h 30m

1 stop

$1,400Multiple Airlines

Fri, 8 May - Sat, 23 May

10:55 - 09:41

MEL

ONT

39h 46m

1 stop

05:00 - 08:15

ONT

MEL

58h 15m

2 stops

$1,415United Airlines

Mon, 1 Jun - Tue, 30 Jun

10:55 - 12:12

MEL

ONT

18h 17m

1 stop

16:20 - 08:15

ONT

MEL

22h 55m

1 stop

$1,417United Airlines

Wed, 10 Jun - Mon, 29 Jun

10:55 - 12:12

MEL

ONT

18h 17m

1 stop

18:39 - 08:15

ONT

MEL

20h 36m

1 stop

$1,420United Airlines

Tue, 2 Jun - Fri, 14 Aug

10:55 - 17:56

MEL

ONT

24h 01m

1 stop

19:13 - 08:15

ONT

MEL

20h 02m

1 stop

$1,421United Airlines

Tue, 12 May - Tue, 19 May

09:15 - 12:19

SYD

ONT

20h 04m

2 stops

06:00 - 06:50

ONT

SYD

31h 50m

2 stops

$1,427Delta

Thu, 21 May - Tue, 2 Jun

22:50 - 18:00

BNE

ONT

36h 10m

1 stop

00:10 - 10:35

ONT

BNE

41h 25m

1 stop

$2,144China Airlines

Thu, 21 May - Tue, 2 Jun

22:50 - 18:00

BNE

ONT

36h 10m

1 stop

00:10 - 10:35

ONT

BNE

41h 25m

1 stop

$2,145China 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

The most popular airline among KAYAK users flying to Ontario is Qantas Airways, followed by Fiji Airways and Air New Zealand.

Cheapest flight	$822

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

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Ontario

Ontario (ONT)

ONT

$822 Find Cheap Flights to Ontario

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

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

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.

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 Air New Zealand.

How long is the flight to Ontario?

Good to know – Book Cheap Ontario Plane Tickets

When to book flights to Ontario

FAQs - booking Ontario flights

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.

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

Find deals for your return flight