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?

One-stop flights from Sydney to Ontario most commonly connect through: • Honolulu (HNL) – 50% of one-stop connections • San Francisco (SFO) – 33% of one-stop connections • Taipei City Taiwan Taoyuan Intl (TPE) – 17% of one-stop connections Honolulu (HNL) handles the largest share of one-stop connections on this route.

How long is a flight from Sydney to Ontario?

A direct flight from Sydney to Ontario takes 0h 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 $748, which is 43% 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 20h 07m, compared to 29h 10m via Honolulu (HNL) and 39h 14m via Taipei City Taiwan Taoyuan Intl (TPE).

What is the time difference between Sydney and Ontario?

Ontario is 17 hours behind Sydney (Pacific Time vs Eastern Australia Time). Plan for the time shift when scheduling connections or first-day activities.

Which car hire options are available at Ontario Airport (ONT)?

Ontario Airport (ONT) hosts 5 major car hire companies, with daily rates starting from around $25 for economy cars. Top options include: • Fox • Thrifty • Europcar • Dollar • Alamo

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

Lufthansa ($1,186) and Virgin Australia ($1,191) are the cheapest airlines to fly return from Sydney to Ontario according to KAYAK data over the last 5 days.

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

Honolulu (HNL) is the most popular stopover for the Sydney to Ontario route. 50% of KAYAK users who booked 1-stop return journeys over the past 3 months connected via HNL.

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 $1,274. 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 754 minutes over the past 3 months.

$714 CHEAP FLIGHTS from Sydney to Ontario (SYD - ONT)

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Cheapest return flight

$1,186

Typical prices: $1,112-$1,541

Lufthansa

Mon 8/10Sun 21/10

SYD - ONT • 1 stop

Cheapest one-way flight

$714

Typical prices: $734-$1,307

Delta

Fri 21/9

SYD - ONT • 2 stops

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 $1,274 (return)

Honolulu (HNL)

Shortest trip • 29h 10m (one-way)

Insights

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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, 8 Oct - Wed, 21 Oct

11:20 - 12:18SYD Sydney Kingsford Smith-ONT Ontario

18h 58m1 stop San Francisco

16:03 - 07:55ONT Ontario-SYD Sydney Kingsford Smith

21h 52m1 stop San Francisco

$1,186Lufthansa

Wed, 4 Nov - Tue, 10 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

$1,191Virgin Australia

Mon, 8 Feb - Mon, 15 Feb

11:50 - 09:47SYD Sydney Kingsford Smith-ONT Ontario

16h 57m1 stop San Francisco

18:53 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

19h 27m1 stop San Francisco

$1,191Virgin Australia

Mon, 12 Oct - Mon, 26 Oct

11:20 - 12:18SYD Sydney Kingsford Smith-ONT Ontario

18h 58m1 stop San Francisco

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

23h 03m1 stop San Francisco

$1,192United Airlines

Tue, 17 Nov - Tue, 24 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

$1,192United Airlines

Mon, 21 Sep - Tue, 13 Oct

10:20 - 12:50SYD Sydney Kingsford Smith-ONT Ontario

43h 30m2 stops San Francisco Denver Intl

13:52 - 07:55ONT Ontario-SYD Sydney Kingsford Smith

24h 03m1 stop San Francisco

$1,192United Airlines

Wed, 4 Nov - Tue, 10 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

$1,192United Airlines

Mon, 8 Feb - Mon, 15 Feb

11:50 - 09:47SYD Sydney Kingsford Smith-ONT Ontario

16h 57m1 stop San Francisco

18:53 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

19h 27m1 stop San Francisco

$1,192Virgin Australia

Mon, 21 Sep - Tue, 13 Oct

10:20 - 22:51SYD Sydney Kingsford Smith-ONT Ontario

29h 31m1 stop San Francisco

11:10 - 07:55ONT Ontario-SYD Sydney Kingsford Smith

26h 45m1 stop San Francisco

$1,192United Airlines

Mon, 8 Feb - Mon, 15 Feb

11:50 - 09:47SYD Sydney Kingsford Smith-ONT Ontario

16h 57m1 stop San Francisco

16:03 - 09:20ONT Ontario-SYD Sydney Kingsford Smith

22h 17m1 stop San Francisco

$1,192United Airlines

Recent last minute flight deals from Sydney to Ontario

Mon, 14 Sep - Tue, 29 Sep

10:20 - 12:12SYD Sydney Kingsford Smith-ONT Ontario

18h 52m1 stop San Francisco

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

21h 52m1 stop San Francisco

$1,191Virgin Australia

Sun, 13 Sep - Sun, 20 Sep

10:20 - 12:12SYD Sydney Kingsford Smith-ONT Ontario

18h 52m1 stop San Francisco

19:13 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

18h 42m1 stop San Francisco

$1,267United Airlines

Sat, 12 Sep - Sat, 19 Sep

10:20 - 20:53SYD Sydney Kingsford Smith-ONT Ontario

27h 33m2 stops San Francisco Denver Intl

13:18 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

48h 37m2 stops Denver Intl San Francisco

$1,268United Airlines

Fri, 11 Sep - Tue, 15 Sep

10:20 - 12:12SYD Sydney Kingsford Smith-ONT Ontario

18h 52m1 stop San Francisco

06:00 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

55h 55m2 stops Houston George Bush Intcntl San Francisco

$1,268United Airlines

Fri, 11 Sep - Tue, 15 Sep

10:20 - 12:50SYD Sydney Kingsford Smith-ONT Ontario

43h 30m2 stops San Francisco Denver Intl

06:00 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

55h 55m2 stops Houston George Bush Intcntl San Francisco

$1,268United Airlines

Sat, 12 Sep - Sat, 19 Sep

10:20 - 12:12SYD Sydney Kingsford Smith-ONT Ontario

18h 52m1 stop San Francisco

13:18 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

48h 37m2 stops Denver Intl San Francisco

$1,268United Airlines

Fri, 11 Sep - Thu, 17 Sep

10:20 - 12:12SYD Sydney Kingsford Smith-ONT Ontario

18h 52m1 stop San Francisco

19:13 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

18h 42m1 stop San Francisco

$1,342Virgin Australia

Sat, 12 Sep - Thu, 17 Sep

10:20 - 12:12SYD Sydney Kingsford Smith-ONT Ontario

18h 52m1 stop San Francisco

19:13 - 06:55ONT Ontario-SYD Sydney Kingsford Smith

18h 42m1 stop San Francisco

$1,343United Airlines

Sun, 13 Sep - Mon, 28 Sep

10:20 - 12:12SYD Sydney Kingsford Smith-ONT Ontario

18h 52m1 stop San Francisco

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

21h 52m1 stop San Francisco

$1,376Virgin Australia

Sun, 13 Sep - Mon, 28 Sep

10:20 - 12:12SYD Sydney Kingsford Smith-ONT Ontario

18h 52m1 stop San Francisco

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

21h 52m1 stop San Francisco

$1,377Virgin Australia

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 from Sydney to Ontario with more confidence.

Prices

Airlines

Stopovers

How much is a return flight from Sydney to Ontario?

Return flights from Sydney to Ontario start at $1,186. Prices are typical for this route right now, with typical return fares ranging from $1,112 to $1,541. The lowest price found in the past 5 days was $1,186 on Lufthansa.

Find deals

Cheapest flight	$714

Flights 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 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?
One-stop flights from Sydney to Ontario most commonly connect through:

• Honolulu (HNL) – 50% of one-stop connections
• San Francisco (SFO) – 33% of one-stop connections
• Taipei City Taiwan Taoyuan Intl (TPE) – 17% of one-stop connections

Honolulu (HNL) handles the largest share of one-stop connections on this route.
How long is a flight from Sydney to Ontario?
A direct flight from Sydney to Ontario takes 0h 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 $748, which is 43% 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 20h 07m, compared to 29h 10m via Honolulu (HNL) and 39h 14m via Taipei City Taiwan Taoyuan Intl (TPE).
What is the time difference between Sydney and Ontario?
Ontario is 17 hours behind Sydney (Pacific Time vs Eastern Australia Time). Plan for the time shift when scheduling connections or first-day activities.
Which car hire options are available at Ontario Airport (ONT)?
Ontario Airport (ONT) hosts 5 major car hire companies, with daily rates starting from around $25 for economy cars. Top options include:
• Fox
• Thrifty
• Europcar
• Dollar
• Alamo

If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.
- Azure Hotel & Suites, Trademark Collection by Wyndham
- La Quinta Inn & Suites by Wyndham Ontario Airport
- Holiday Inn Ontario Airport By IHG

More options for your flight from Sydney to Ontario

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SYD - ONT

$714 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

How much is a return flight from Sydney to Ontario?

What is the cheapest airline 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