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Uncover the best deals on Ontario to Sydney flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest ONT - SYD Flights
Useful information for finding best airline tickets from Ontario International to Sydney Kingsford Smith International on your next trip.
Cheapest Round Trip Flight
$1084
United Airlines
• 1 stop
• 32h 24m
Nov 26 – Dec 13
The cheapest round trip flight from Ontario to Sydney (ONT-SYD-ONT) is currently $1084
Fastest Flight
32h 24m
The fastest nonstop flight from Ontario to Sydney (ONT-SYD) takes 32h 24m
Top Airlines Flying from Ontario to Sydney
Latest Flight Deals from Ontario (ONT) to Sydney (SYD)
Compare and book low fare round-trip air tickets from Ontario to Sydney. Ideal for travelers with confirmed return itineraries.
Nov 26 - Dec 13, Economy
Ontario → Sydney
32h 24m
6:36 PM - 9:20 AM • 1 stop
Ontario → Sydney
22h 25m
11:20 AM - 6:05 AM • nonstop
United Airlines
Nov 26 - Dec 13, Economy
Ontario → Sydney
36h 56m
4:04 PM - 9:20 AM • 1 stop
Ontario → Sydney
22h 25m
11:20 AM - 6:05 AM • nonstop
United Airlines
Nov 26 - Dec 13, Economy
Ontario → Sydney
32h 24m
6:36 PM - 9:20 AM • 1 stop
Ontario → Sydney
29h 1m
11:50 AM - 10:31 AM • 1 stop
United Airlines
Nov 26 - Dec 13, Economy
Ontario → Sydney
36h 56m
4:04 PM - 9:20 AM • 1 stop
Ontario → Sydney
29h 1m
11:50 AM - 10:31 AM • 1 stop
United Airlines
Nov 27 - Dec 14, Economy
Ontario → Sydney
36h 56m
4:04 PM - 9:20 AM • 1 stop
Ontario → Sydney
22h 25m
11:20 AM - 6:05 AM • nonstop
United Airlines
FAQs on Ontario to Sydney Flights
What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to SYD?
The most popular airline flying from Ontario to Sydney are
Can I fly from ONT to SYD non-stop?
NO
Which airlines fly nonstop between Ontario and Sydney?
The non-stop flights between Ontario and Sydney are .
What’s the earliest departure time from ONT to SYD Airport?
The earliest flight leaves ONT at 4:04 pm and lands in SYD - Sydney Kingsford Smith International
What are the airports in Sydney?
SYD
Can I make changes to my Ontario to Sydney flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to SYD?
Read the fare rules of the Ontario to Sydney air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Sydney?
operate flights between Ontario and Sydney
How long does a flight from Ontario to Sydney take?
It takes approximately 15 hour to fly non-stop from ONT to SYD, which is 7532.37 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Sydney (SYD) ?
In the past couple of days, the cheapest tickets to SYD from ONT were found on UA : USD 1090
Do I need a passport to fly between ONT and SYD?
Yes
What’s the latest departure time from ONT to SYD ?
The last flight leaves ONT at 6:36 pm
Ontario (ONT) to Sydney (SYD): Airport Information
| Origin Airport | Ontario International , Ontario, US |
| Destination Airport | Sydney Kingsford Smith International , Sydney, AU |
| Distance | 7532 miles |
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