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

Flights from Sydney to Ontario usually depart from Sydney Kingsford Smith (SYD) and arrive at Ontario (ONT).

Which cabin classes can I book on flights from Sydney to Ontario?

Only Economy class is available on flights from Sydney to Ontario.

Which airports do connecting flights from Sydney to Ontario pass through?

Connecting flights from Sydney to Ontario most commonly pass through: • San Francisco (SFO) – 86% of one-stop connections • Honolulu (HNL) – 14% of one-stop connections

Can I save money by using flexible dates for flights from Sydney to Ontario?

Yes. Flexible dates can save you up to 29% on flights from Sydney to Ontario. Monday is the cheapest departure day at $1,050 return on average, while Wednesday is the most expensive at $1,476, a difference of $426. KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from Sydney to Ontario?

A direct flight from Sydney to Ontario takes 00m, covering 19,512 km.

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

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.

How are flight prices from Sydney to Ontario looking right now?

One-way fares from Sydney to Ontario are currently lower than usual. Average one-way flight prices are about $675, which is 22% below the typical average for this route.

How much time can I save by choosing a different stopover airport from Sydney to Ontario?

Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time of 19h 57m, compared to 29h 28m via Honolulu (HNL).

What is the time difference between Sydney and Ontario?

Ontario is 18 hours behind Sydney (Pacific Time vs Eastern Australia Time). Plan for the time shift when scheduling connections or first-day activities.

How much should I expect to pay for a Sydney to Ontario flight?

Return flights from Sydney to Ontario range from $1,114 to $1,281, with an average of $1,281 over the past 12 months. Anything below $1,114 counts as a good deal.

Which airline is the cheapest to fly from Sydney to Ontario?

United Airlines ($1,180) offered the cheapest return ticket from Sydney to Ontario in the last 5 days.

What is the most popular stopover airport when flying from Sydney to Ontario?

San Francisco (SFO) is the most popular stopover for the Sydney to Ontario route. 86% of KAYAK users who booked 1-stop return journeys over the past 3 months connected via SFO.

What is the cheapest stopover airport when flying from Sydney to Ontario?

Flights via San Francisco (SFO) offer the most affordable fares, with an average return price of $1,199. Based on KAYAK data over the past 3 months.

When flying from Sydney to Ontario, which airport offers the shortest stopover?

San Francisco (SFO) had the shortest average connection time for Sydney to Ontario stopovers at 12h 21m over the past 3 months.

$672 CHEAP FLIGHTS from Sydney to Ontario (SYD - ONT)

Save 26% 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.

Cheapest return flight

$1,146

Typical prices: $1,114-$1,281

Multiple Airlines

Sun 11/2Fri 16/2

SYD - ONT • 1 stop

Cheapest one-way flight

$672

Typical prices: $753-$940

Lufthansa

Sun 25/3

SYD - ONT • 1 stop

Direct flights

Not available

There are currently no direct flights between Sydney and Ontario. You'll need to take a connecting flight to reach the destination.

Insights

Top stopover airports

San Francisco (SFO)

Cheapest • Avg $1,199 (return)

Honolulu (HNL)

Shortest trip • 29h 28m (one-way)

Insights

Start a new search

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

We hope you enjoy your trip to Ontario!

Flight Deals

Cheap Flights from Sydney to Ontario (SYD-ONT)

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

Return

One-way

Last minute

Recent return flight deals from Sydney to Ontario

Thu, 11 Feb - Tue, 16 Feb

21:40 - 21:28SYD Sydney Kingsford Smith-ONT Ontario

18h 48m1 stop Honolulu

09:00 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

39h 45m1 stop Honolulu

$1,146Multiple Airlines

3+ days ago

Mon, 28 Dec - Mon, 11 Jan

13:20 - 15:19SYD Sydney Kingsford Smith-ONT Ontario

20h 59m1 stop San Francisco

15:59 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 21m1 stop San Francisco

$1,180United Airlines

6 hours ago

Tue, 23 Mar - Tue, 20 Apr

11:50 - 12:20SYD Sydney Kingsford Smith-ONT Ontario

18h 30m1 stop San Francisco

18:53 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

19h 02m1 stop San Francisco

$1,180United Airlines

7 hours ago

Tue, 17 Nov - Sun, 22 Nov

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

19h 39m1 stop San Francisco

16:17 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$1,180United Airlines

8 hours ago

Tue, 10 Nov - Mon, 7 Dec

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

19h 39m1 stop San Francisco

18:40 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

19h 40m1 stop San Francisco

$1,180United Airlines

11 hours ago

Wed, 31 Mar - Sun, 4 Apr

11:20 - 09:57SYD Sydney Kingsford Smith-ONT Ontario

16h 37m1 stop San Francisco

16:03 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

21h 52m1 stop San Francisco

$1,180United Airlines

3+ days ago

Wed, 11 Nov - Wed, 18 Nov

11:50 - 15:33SYD Sydney Kingsford Smith-ONT Ontario

22h 43m1 stop San Francisco

05:00 - 07:00ONT Ontario-SYD Sydney Kingsford Smith

31h 00m2 stops Denver Intl Houston George Bush Intcntl

$1,180United Airlines

3+ days ago

Wed, 11 Nov - Wed, 18 Nov

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

19h 39m1 stop San Francisco

06:00 - 07:00ONT Ontario-SYD Sydney Kingsford Smith

30h 00m1 stop Houston George Bush Intcntl

$1,180United Airlines

3+ days ago

Thu, 12 Nov - Sat, 5 Dec

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

19h 39m1 stop San Francisco

13:40 - 06:20ONT Ontario-SYD Sydney Kingsford Smith

45h 40m2 stops Denver Intl San Francisco

$1,180United Airlines

10 hours ago

Thu, 21 Jan - Sat, 30 Jan

21:40 - 21:18SYD Sydney Kingsford Smith-ONT Ontario

18h 38m1 stop Honolulu

07:00 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

17h 45m1 stop Honolulu

$1,204Multiple Airlines

3+ days ago

Recent last minute flight deals from Sydney to Ontario

Thu, 29 Oct - Wed, 11 Nov

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

16:17 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$1,169United Airlines

1 day ago

Thu, 29 Oct - Wed, 11 Nov

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

16:17 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$1,170United Airlines

1 day ago

Thu, 29 Oct - Wed, 11 Nov

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

16:17 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$1,177United Airlines

1 day ago

Wed, 28 Oct - Wed, 4 Nov

11:50 - 12:29SYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

16:17 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$1,180United Airlines

3+ days ago

Sun, 1 Nov - Sun, 8 Nov

21:40 - 22:43SYD Sydney Kingsford Smith-ONT Ontario

20h 03m1 stop Honolulu

09:55 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

38h 50m1 stop Honolulu

$1,217Multiple Airlines

2 days ago

Sun, 1 Nov - Sun, 8 Nov

21:40 - 22:43SYD Sydney Kingsford Smith-ONT Ontario

20h 03m1 stop Honolulu

19:13 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

29h 32m2 stops Seattle/Tacoma Intl Honolulu

$1,613Multiple Airlines

2 days ago

Thu, 29 Oct - Tue, 3 Nov

21:40 - 10:49SYD Sydney Kingsford Smith-ONT Ontario

31h 09m2 stops Honolulu Portland

09:55 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

38h 50m1 stop Honolulu

$1,825Multiple Airlines

1 day ago

Thu, 29 Oct - Fri, 13 Nov

21:40 - 16:50SYD Sydney Kingsford Smith-ONT Ontario

37h 10m2 stops Honolulu Portland

09:55 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

38h 50m1 stop Honolulu

$1,880Multiple Airlines

3+ days ago

Thu, 29 Oct - Thu, 5 Nov

21:40 - 10:49SYD Sydney Kingsford Smith-ONT Ontario

31h 09m2 stops Honolulu Portland

09:55 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

38h 50m1 stop Honolulu

$1,920Multiple Airlines

2 days ago

Thu, 29 Oct - Wed, 11 Nov

21:40 - 21:29SYD Sydney Kingsford Smith-ONT Ontario

17h 49m1 stop Honolulu

12:02 - 19:45ONT Ontario-SYD Sydney Kingsford Smith

36h 43m2 stops Seattle/Tacoma Intl Honolulu

$2,006Multiple Airlines

1 day ago

Booking Insights

Price, demand, and travel trends for Sydney to Ontario flights

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

Airlines

Stopovers

Which airline is the cheapest to fly from Sydney to Ontario?: United Airlines ($1,180) offered the cheapest return ticket from Sydney to Ontario in the last 5 days.

Find deals

Cheapest flight	$672

One-way flight from Sydney to Ontario

When to book flights from Sydney to Ontario

Are your dates flexible? Find out the best times to travel from Sydney 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. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which cabin classes can I book on flights from Sydney to Ontario?
Only Economy class is available on flights from Sydney to Ontario.
How long is a flight from Sydney to Ontario?
A direct flight from Sydney to Ontario takes 00m, covering 19,512 km.
Do I need a passport to fly from Sydney to Ontario?
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.
How much should I expect to pay for a Sydney to Ontario flight?
Return flights from Sydney to Ontario range from $1,114 to $1,281, with an average of $1,281 over the past 12 months. Anything below $1,114 counts as a good deal.
How are flight prices from Sydney to Ontario looking right now?
One-way fares from Sydney to Ontario are currently lower than usual. Average one-way flight prices are about $675, which is 22% below the typical average for this route.
Which airports can I use when flying from Sydney to Ontario?
Flights from Sydney to Ontario usually depart from Sydney Kingsford Smith (SYD) and arrive at Ontario (ONT).
Which airports do connecting flights from Sydney to Ontario pass through?
Connecting flights from Sydney to Ontario most commonly pass through:

• San Francisco (SFO) – 86% of one-stop connections
• Honolulu (HNL) – 14% of one-stop connections
Can I save money by using flexible dates for flights from Sydney to Ontario?
Yes. Flexible dates can save you up to 29% on flights from Sydney to Ontario. Monday is the cheapest departure day at $1,050 return on average, while Wednesday is the most expensive at $1,476, a difference of $426.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different stopover airport from Sydney to Ontario?
Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time of 19h 57m, compared to 29h 28m via Honolulu (HNL).
What is the time difference between Sydney and Ontario?
Ontario is 18 hours behind Sydney (Pacific Time vs Eastern Australia Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Monday departure and avoid flying on Wednesday. On this route, Monday flights average $1,050, about $426 less than Wednesday fares (29% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

• Ontario Airport Inn
• Holiday Inn Ontario Airport By IHG
• Azure Hotel & Suites, Trademark Collection by Wyndham

More options for your flight from Sydney to Ontario

Add a hotel or car hire

Airports

Cabin class

Direct flights

Origins

Other Destinations

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

Car hire in Ontario

Hotels in Ontario

SYD - ONT

$672 Find Cheap Flights from Sydney to Ontario – Compare and Save

Everything you should know

Cheap Flights from Sydney to Ontario (SYD-ONT)

Recent return flight deals from Sydney to Ontario

Recent one-way flight deals from Sydney to Ontario

Recent last minute flight deals from Sydney to Ontario

Price, demand, and travel trends for Sydney to Ontario flights

Which airline is the cheapest to fly from Sydney to Ontario?

What is the most popular stopover airport when flying from Sydney to Ontario?

What is the cheapest stopover airport when flying from Sydney to Ontario?

When flying from Sydney to Ontario, which airport offers the shortest stopover?

Key details for Sydney to Ontario flights

Cheapest flight

When to book flights from Sydney to Ontario

Your Sydney to Ontario flight questions, answered

Your guide to booking Sydney to Ontario flights

More options for your flight from Sydney to Ontario

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

Information on your arrival and departure airports

Cabin class types available on flights from Sydney to Ontario

Find direct flights to and from Sydney and Ontario

Flights from domestic origins to Ontario

Flights to other popular destinations