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).

What 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 $738 round-trip on average, while Wednesday is the most expensive at $1,037, a difference of $299. 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 Ontario?

Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

How long is a flight from Sydney to Ontario?

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

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 $494, which is 19% below the typical average for this route.

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

Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 19h 57m, compared with 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?

Round-trip flights from Sydney to Ontario range from $783 to $900, with an average of $900 over the past 12 months. Anything below $783 counts as a good deal.

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

United Airlines ($829) offered the cheapest round-trip ticket from Sydney to Ontario in the last 5 days.

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

San Francisco (SFO) is the most popular layover for the Sydney to Ontario route. 86% 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 Sydney to Ontario?

Flights via San Francisco (SFO) offer the most affordable fares, with an average round-trip price of $842. Based on KAYAK data over the past 3 months.

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

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

$472 CHEAP FLIGHTS from Sydney to Ontario (SYD - ONT)

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Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$805

Typical prices: $783-$900

Multiple Airlines

Sun 2/11Fri 2/16

SYD - ONT • 1 stop

Cheapest one-way

$472

Typical prices: $529-$660

Lufthansa

Sun 3/25

SYD - ONT • 1 stop

Nonstop 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 layover airports

San Francisco (SFO)

Cheapest • Avg $842 (round-trip)

Honolulu (HNL)

Shortest trip • 29h 28m (one-way)

Insights

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We hope you love 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.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Sydney to Ontario

Thu, Feb 11 - Tue, Feb 16

9:40 pm - 9:28 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 48m1 stop Honolulu

9:00 am - 7:45 pmONT Ontario-SYD Sydney Kingsford Smith

39h 45m1 stop Honolulu

$805Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

11:50 am - 12:29 pmSYD Sydney Kingsford Smith-ONT Ontario

19h 39m1 stop San Francisco

6:00 am - 7:00 amONT Ontario-SYD Sydney Kingsford Smith

30h 00m1 stop Houston George Bush Intcntl

$829United Airlines

Wed, Mar 31 - Sun, Apr 11

11:20 am - 9:57 amSYD Sydney Kingsford Smith-ONT Ontario

16h 37m1 stop San Francisco

4:03 pm - 6:55 amONT Ontario-SYD Sydney Kingsford Smith

21h 52m1 stop San Francisco

$830United Airlines

Thu, Nov 19 - Sun, Dec 13

11:50 am - 10:48 pmSYD Sydney Kingsford Smith-ONT Ontario

29h 58m1 stop San Francisco

5:00 am - 6:20 amONT Ontario-SYD Sydney Kingsford Smith

30h 20m2 stops Denver Intl San Francisco

$831United Airlines

Thu, Jan 21 - Sat, Jan 30

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

18h 38m1 stop Honolulu

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

17h 45m1 stop Honolulu

$846Multiple Airlines

Tue, Nov 10 - Sat, Nov 14

11:50 am - 12:29 pmSYD Sydney Kingsford Smith-ONT Ontario

19h 39m1 stop San Francisco

4:17 pm - 9:20 amONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$876United Airlines

Thu, Dec 3 - Thu, Jan 21

11:50 am - 9:38 amSYD Sydney Kingsford Smith-ONT Ontario

16h 48m1 stop San Francisco

6:37 pm - 9:20 amONT Ontario-SYD Sydney Kingsford Smith

19h 43m1 stop San Francisco

$878United Airlines

Sat, Nov 14 - Sat, Nov 21

11:50 am - 6:01 pmSYD Sydney Kingsford Smith-ONT Ontario

25h 11m1 stop San Francisco

1:29 pm - 7:00 amONT Ontario-SYD Sydney Kingsford Smith

46h 31m2 stops Denver Intl Houston George Bush Intcntl

$879United Airlines

Sat, Nov 14 - Sat, Dec 5

11:50 am - 12:29 pmSYD Sydney Kingsford Smith-ONT Ontario

19h 39m1 stop San Francisco

1:40 pm - 6:20 amONT Ontario-SYD Sydney Kingsford Smith

45h 40m2 stops Denver Intl San Francisco

$880United Airlines

Mon, Nov 9 - Fri, Nov 13

11:50 am - 12:29 pmSYD Sydney Kingsford Smith-ONT Ontario

19h 39m1 stop San Francisco

6:37 pm - 9:20 amONT Ontario-SYD Sydney Kingsford Smith

19h 43m1 stop San Francisco

$881United Airlines

Recent last minute flight deals from Sydney to Ontario

Thu, Oct 29 - Wed, Nov 11

11:50 am - 12:29 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

4:17 pm - 9:20 amONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$821United Airlines

Thu, Oct 29 - Wed, Nov 11

11:50 am - 12:29 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

4:17 pm - 9:20 amONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$822United Airlines

Thu, Oct 29 - Wed, Nov 11

11:50 am - 12:29 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

4:17 pm - 9:20 amONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$827United Airlines

Wed, Oct 28 - Wed, Nov 4

11:50 am - 12:29 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

4:17 pm - 9:20 amONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$829United Airlines

Thu, Oct 29 - Mon, Nov 9

11:50 am - 12:29 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

4:17 pm - 9:20 amONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$831United Airlines

Thu, Oct 29 - Wed, Nov 11

11:50 am - 12:29 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

4:17 pm - 9:20 amONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$837United Airlines

Sun, Nov 1 - Sun, Nov 8

9:40 pm - 10:43 pmSYD Sydney Kingsford Smith-ONT Ontario

20h 03m1 stop Honolulu

9:55 am - 7:45 pmONT Ontario-SYD Sydney Kingsford Smith

38h 50m1 stop Honolulu

$855Multiple Airlines

Wed, Oct 28 - Thu, Nov 12

11:50 am - 12:29 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

6:37 pm - 9:20 amONT Ontario-SYD Sydney Kingsford Smith

19h 43m1 stop San Francisco

$878United Airlines

Thu, Oct 29 - Fri, Nov 13

11:50 am - 12:29 pmSYD Sydney Kingsford Smith-ONT Ontario

18h 39m1 stop San Francisco

6:37 pm - 9:20 amONT Ontario-SYD Sydney Kingsford Smith

19h 43m1 stop San Francisco

$879United Airlines

Sun, Nov 1 - Sun, Nov 8

11:50 am - 1:29 pmSYD Sydney Kingsford Smith-ONT Ontario

19h 39m1 stop San Francisco

4:17 pm - 9:20 amONT Ontario-SYD Sydney Kingsford Smith

22h 03m1 stop San Francisco

$880United Airlines

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

Layovers

Which airline is the cheapest to fly from Sydney to Ontario?: United Airlines ($829) offered the cheapest round-trip ticket from Sydney to Ontario in the last 5 days.

Find deals

Cheapest flight	$472

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 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.

What 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 nonstop flight from Sydney to Ontario takes 00m, covering 7,534 miles.
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?
Round-trip flights from Sydney to Ontario range from $783 to $900, with an average of $900 over the past 12 months. Anything below $783 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 $494, which is 19% 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 $738 round-trip on average, while Wednesday is the most expensive at $1,037, a difference of $299.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from Sydney to Ontario?
Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 19h 57m, compared with 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.
What popular places can I visit in Ontario?
Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

If your dates are flexible, aim for a Monday departure and avoid flying on Wednesday. On this route, Monday flights average $738, about $299 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

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SYD - ONT

$472 Find Cheap Flights from Sydney to Ontario - Compare and Save

Everything you should know

Cheap Flights from Sydney to Ontario (SYD-ONT)

Recent round-trip 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’s the most popular layover airport when flying from Sydney to Ontario?

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

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

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 rental

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

Find deals for your return flight