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

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

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

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

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

Connecting flights from Ontario to Sydney most commonly pass through: • San Francisco (SFO) - 80% of one-stop connections • Honolulu (HNL) - 20% of one-stop connections Together, these airports account for 100% of one-stop bookings on this route.

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

Yes. Being flexible with your travel dates can save you up to 39% on the Ontario to Sydney route. Wednesday is the cheapest departure day at $1,047 round-trip on average, while Friday is the most expensive at $1,690, a difference of $643. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Sydney?

Some of the most popular sights in Sydney are Darling Harbour, Sydney Opera House and Circular Quay. These are among the most viewed places in Sydney on KAYAK.

How long is a flight from Ontario to Sydney?

A nonstop flight from Ontario to Sydney takes 0h 00m, covering 7,534 miles.

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

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 Ontario to Sydney looking right now?

One-way fares from Ontario to Sydney are currently in line with typical prices for this route. Average one-way fares are about $506.

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

Flying via Honolulu (HNL) gives the shortest average 1-stop total travel time at 17h 35m, compared with 18h 35m via San Francisco (SFO).

What is the time difference between Ontario and Sydney?

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

What car rental options are available at Sydney Kingsford Smith Airport (SYD)?

Sydney Kingsford Smith Airport (SYD) hosts 5 major car rental companies, with daily rates starting from around $10 for economy cars. Top options include: · Bargain Car Rentals · East Coast Car Rentals · EverythingFleet · YESDRIVE CAR RENTAL · No Birds

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

Round-trip flights from Ontario to Sydney range from $1,080 to $1,690, with an average of $1,235 over the past 12 months. Anything below $1,080 counts as a good deal.

$493 CHEAP FLIGHTS from Ontario to Sydney (ONT - SYD)

Save 21% 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 round-trip

$950

Typical prices: $1,080-$1,690

Multiple Airlines

Fri 10/19Sat 10/27

ONT - SYD • 1 stop

Cheapest one-way

$493

Typical prices: $495-$656

Qantas Airways

Sat 9/29

ONT - SYD • 2 stops

Nonstop flights

Not available

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

Insights

Top layover airports

Honolulu (HNL)

Cheapest • Avg $1,080 (round-trip)

San Francisco (SFO)

Shortest trip • 18h 35m (one-way)

Insights

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We hope you love your trip to Sydney!

Flight Deals

Cheap Flights from Ontario to Sydney (ONT-SYD)

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Sydney

Mon, Oct 19 - Tue, Oct 27

7:00 am - 6:50 pmONT Ontario-SYD Sydney Kingsford Smith

17h 50m1 stop Honolulu

9:40 pm - 9:29 pmSYD Sydney Kingsford Smith-ONT Ontario

17h 49m1 stop Honolulu

$950Multiple Airlines

Tue, Sep 15 - Tue, Feb 9

9:31 am - 6:50 pmONT Ontario-SYD Sydney Kingsford Smith

40h 19m1 stop Honolulu

9:40 pm - 9:18 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 38m1 stop Honolulu

$971Multiple Airlines

Wed, Oct 21 - Sun, Nov 1

7:00 am - 6:50 pmONT Ontario-SYD Sydney Kingsford Smith

17h 50m1 stop Honolulu

9:40 pm - 9:42 pmSYD Sydney Kingsford Smith-ONT Ontario

19h 02m1 stop Honolulu

$985Multiple Airlines

Wed, Oct 28 - Tue, Nov 10

7:00 am - 7:45 pmONT Ontario-SYD Sydney Kingsford Smith

18h 45m1 stop Honolulu

9:40 pm - 9:42 pmSYD Sydney Kingsford Smith-ONT Ontario

19h 02m1 stop Honolulu

$993Multiple Airlines

Wed, Oct 21 - Tue, Oct 27

7:00 am - 6:50 pmONT Ontario-SYD Sydney Kingsford Smith

17h 50m1 stop Honolulu

9:40 pm - 9:29 pmSYD Sydney Kingsford Smith-ONT Ontario

17h 49m1 stop Honolulu

$994Multiple Airlines

Sun, Sep 20 - Tue, Sep 29

9:31 am - 6:50 pmONT Ontario-SYD Sydney Kingsford Smith

40h 19m1 stop Honolulu

8:45 pm - 10:10 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 25m1 stop Honolulu

$1,003Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

9:31 am - 6:50 pmONT Ontario-SYD Sydney Kingsford Smith

40h 19m1 stop Honolulu

8:45 pm - 10:10 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 25m1 stop Honolulu

$1,003Multiple Airlines

Wed, Oct 28 - Sun, Nov 8

7:00 am - 7:45 pmONT Ontario-SYD Sydney Kingsford Smith

18h 45m1 stop Honolulu

9:40 pm - 9:42 pmSYD Sydney Kingsford Smith-ONT Ontario

19h 02m1 stop Honolulu

$1,003Multiple Airlines

Sun, Sep 13 - Sun, Sep 20

9:31 am - 6:50 pmONT Ontario-SYD Sydney Kingsford Smith

40h 19m1 stop Honolulu

8:45 pm - 10:10 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 25m1 stop Honolulu

$1,003Multiple Airlines

Mon, Oct 19 - Sun, Nov 1

7:00 am - 6:50 pmONT Ontario-SYD Sydney Kingsford Smith

17h 50m1 stop Honolulu

9:40 pm - 9:42 pmSYD Sydney Kingsford Smith-ONT Ontario

19h 02m1 stop Honolulu

$1,003Multiple Airlines

Recent last minute flight deals from Ontario to Sydney

Sun, Aug 30 - Sun, Sep 6

9:31 am - 6:50 pmONT Ontario-SYD Sydney Kingsford Smith

40h 19m1 stop Honolulu

8:45 pm - 10:10 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 25m1 stop Honolulu

$1,006Multiple Airlines

Sun, Aug 30 - Tue, Sep 15

7:13 pm - 6:55 amONT Ontario-SYD Sydney Kingsford Smith

18h 42m1 stop San Francisco

10:20 am - 8:01 pmSYD Sydney Kingsford Smith-ONT Ontario

26h 41m1 stop San Francisco

$1,043Lufthansa

Sun, Aug 30 - Tue, Sep 15

7:13 pm - 6:55 amONT Ontario-SYD Sydney Kingsford Smith

18h 42m1 stop San Francisco

10:20 am - 8:01 pmSYD Sydney Kingsford Smith-ONT Ontario

26h 41m1 stop San Francisco

$1,048Lufthansa

Sun, Aug 30 - Thu, Sep 10

9:31 am - 6:50 pmONT Ontario-SYD Sydney Kingsford Smith

40h 19m1 stop Honolulu

8:45 pm - 10:10 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 25m1 stop Honolulu

$1,053Multiple Airlines

Sun, Aug 30 - Tue, Sep 15

7:13 pm - 6:55 amONT Ontario-SYD Sydney Kingsford Smith

18h 42m1 stop San Francisco

10:20 am - 8:01 pmSYD Sydney Kingsford Smith-ONT Ontario

26h 41m1 stop San Francisco

$1,056Lufthansa

Sun, Aug 30 - Tue, Sep 15

7:13 pm - 6:55 amONT Ontario-SYD Sydney Kingsford Smith

18h 42m1 stop San Francisco

10:20 am - 8:01 pmSYD Sydney Kingsford Smith-ONT Ontario

26h 41m1 stop San Francisco

$1,059Lufthansa

Mon, Aug 31 - Wed, Sep 16

1:56 pm - 6:55 amONT Ontario-SYD Sydney Kingsford Smith

23h 59m1 stop San Francisco

10:20 am - 12:12 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 52m1 stop San Francisco

$1,094United Airlines

Mon, Aug 31 - Wed, Sep 30

7:13 pm - 6:55 amONT Ontario-SYD Sydney Kingsford Smith

18h 42m1 stop San Francisco

10:20 am - 10:23 amSYD Sydney Kingsford Smith-ONT Ontario

17h 03m1 stop San Francisco

$1,094United Airlines

Sun, Aug 30 - Tue, Sep 15

7:13 pm - 6:55 amONT Ontario-SYD Sydney Kingsford Smith

18h 42m1 stop San Francisco

10:20 am - 2:01 pmSYD Sydney Kingsford Smith-ONT Ontario

20h 41m1 stop San Francisco

$1,095United Airlines

Mon, Aug 31 - Mon, Sep 7

7:13 pm - 6:55 amONT Ontario-SYD Sydney Kingsford Smith

18h 42m1 stop San Francisco

10:20 am - 12:12 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 52m1 stop San Francisco

$1,095United Airlines

Booking Insights

Price, demand and travel trends for Ontario to Sydney flights

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

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

San Francisco (SFO) is the most popular layover for the Ontario to Sydney route. 80% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via SFO.

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

Flights via Honolulu (HNL) offer the most affordable fares, with an average round-trip price of $1,080. Based on KAYAK data over the past 3 months.

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

Honolulu (HNL) had the shortest average connection time for Ontario to Sydney layovers at 574 minutes over the past 3 months.

Find deals

Cheapest flight	$493

Flight from Ontario to Sydney

When to book flights from Ontario to Sydney

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

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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 Ontario to Sydney?
Flights from Ontario to Sydney usually depart from Ontario (ONT) and arrive at Sydney Kingsford Smith (SYD).
What cabin classes can I book on flights from Ontario to Sydney?
Only Economy Class is available on flights from Ontario to Sydney.
Which airports do connecting flights from Ontario to Sydney pass through?
Connecting flights from Ontario to Sydney most commonly pass through:

• San Francisco (SFO) - 80% of one-stop connections
• Honolulu (HNL) - 20% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.
Can I save money by using flexible dates for flights from Ontario to Sydney?
Yes. Being flexible with your travel dates can save you up to 39% on the Ontario to Sydney route. Wednesday is the cheapest departure day at $1,047 round-trip on average, while Friday is the most expensive at $1,690, a difference of $643. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What popular places can I visit in Sydney?
Some of the most popular sights in Sydney are Darling Harbour, Sydney Opera House and Circular Quay. These are among the most viewed places in Sydney on KAYAK.
How long is a flight from Ontario to Sydney?
A nonstop flight from Ontario to Sydney takes 0h 00m, covering 7,534 miles.
Do I need a passport to fly from Ontario to Sydney?
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 Ontario to Sydney looking right now?
One-way fares from Ontario to Sydney are currently in line with typical prices for this route. Average one-way fares are about $506.
How much time can I save by choosing a different layover airport from Ontario to Sydney?
Flying via Honolulu (HNL) gives the shortest average 1-stop total travel time at 17h 35m, compared with 18h 35m via San Francisco (SFO).
What is the time difference between Ontario and Sydney?
Sydney is 17 hours ahead of Ontario (Eastern Australia Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Sydney Kingsford Smith Airport (SYD)?
Sydney Kingsford Smith Airport (SYD) hosts 5 major car rental companies, with daily rates starting from around $10 for economy cars. Top options include:
· Bargain Car Rentals
· East Coast Car Rentals
· EverythingFleet
· YESDRIVE CAR RENTAL
· No Birds
How much should I expect to pay for a Ontario to Sydney flight?
Round-trip flights from Ontario to Sydney range from $1,080 to $1,690, with an average of $1,235 over the past 12 months. Anything below $1,080 counts as a good deal.

If your dates can be flexible, aim for a Wednesday departure instead of Friday. On this route, Wednesday flights average $1,047 - about $643 less than Friday (38% 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 Sydney Kingsford Smith Airport.
- Rydges Sydney Airport Hotel
- ibis budget Sydney Airport
- Travelodge Hotel Sydney Airport

Everything you need to know for your flight from Ontario to Sydney

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Ontario (ONT)

Sydney (SYD)

ONT - SYD

$493 Find Cheap Flights from Ontario to Sydney - Compare and Save

Everything you should know

Cheap Flights from Ontario to Sydney (ONT-SYD)

Recent round-trip flight deals from Ontario to Sydney

Recent one-way flight deals from Ontario to Sydney

Recent last minute flight deals from Ontario to Sydney

Price, demand and travel trends for Ontario to Sydney flights

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

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

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

Key details for Ontario to Sydney flights

Cheapest flight

When to book flights from Ontario to Sydney

Your Ontario to Sydney flight questions, answered

Your guide to booking Ontario to Sydney flights

Everything you need to know for your flight from Ontario to Sydney

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Sydney

Complete your trip to Sydney with a hotel stay or car rental

Find direct flights to and from Ontario and Sydney

Flights to other popular destinations

Flights from domestic origins to Sydney

Choose which airport to fly into in Sydney

Find deals for your return flight