Lowest Prices
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
$1174
United Airlines
• 1 stop
• 35h 52m
Sep 24 – Oct 01
The cheapest round trip flight from Ontario to Sydney (ONT-SYD-ONT) is currently $1174
Fastest Flight
32h 3m
The fastest nonstop flight from Ontario to Sydney (ONT-SYD) takes 32h 3m
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.
Sep 24 - Oct 01, Economy
Ontario → Sydney
35h 52m
4:03 PM - 6:55 AM • 1 stop
Ontario → Sydney
22h 20m
9:30 AM - 6:10 AM • nonstop
United Airlines
Sep 24 - Oct 01, Economy
Ontario → Sydney
32h 3m
6:32 PM - 6:55 AM • 1 stop
Ontario → Sydney
22h 20m
9:30 AM - 6:10 AM • nonstop
United Airlines
Sep 24 - Oct 01, Economy
Ontario → Sydney
35h 52m
4:03 PM - 6:55 AM • 1 stop
Ontario → Sydney
30h 41m
10:20 AM - 12:01 PM • 1 stop
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 4:03 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 1174
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 6:32 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 |
More Flight Options for Ontario (ONT) and Sydney (SYD)
Flights from Ontario (ONT)
to Seattle (SEA)
Flights from Ontario (ONT)
to Seattle (SEA)
Flights from Ontario (ONT)
to Las Vegas (LAS)
Flights from Ontario (ONT)
to Las Vegas (LAS)
Flights from Ontario (ONT)
to San Jose (SJC)
Flights from Ontario (ONT)
to Guadalajara (GDL)
Flights from Ontario (ONT)
to Guadalajara (GDL)
Flights from Ontario (ONT)
to Tucson (TUS)
Flights from Ontario (ONT)
to Minneapolis (MSP)
Flights from Ontario (ONT)
to Minneapolis (MSP)
Flights from Ontario (ONT)
to Phoenix (PHX)
Flights from Ontario (ONT)
to Phoenix (PHX)
Flights from Ontario (ONT)
to Reno (RNO)
Flights from Ontario (ONT)
to Sacramento (SMF)
Flights from Ontario (ONT)
to Sacramento (SMF)
Flights from Ontario (ONT)
to New Orleans (MSY)
Flights from Ontario (ONT)
to New Orleans (MSY)
Flights from Ontario (ONT)
to Houston (IAH)
Flights from Ontario (ONT)
to Houston (IAH)
Flights from Ontario (ONT)
to Atlanta (ATL)
Flights from San Francisco (SFO)
to Sydney (SYD)
Flights from Phoenix (PHX)
to Sydney (SYD)
Flights from Toronto (YYZ)
to Sydney (SYD)
Flights from Los Angeles (LAX)
to Sydney (SYD)
Flights from Ontario (ONT)
to Sydney (SYD)
Cheap flights to Oceania (OC)
Cheap flights to North America (NA)
Cheap flights to United States (US)
Cheap flights to Australia (AU)
Cheap flights to California (US-CA)
Cheap flights from North America (NA)
Cheap flights from Oceania (OC)
Cheap flights from Australia (AU)
Cheap flights from United States (US)
Cheap flights from California (US-CA)
Flights to Ontario (ONT)
Flights to Ontario (ONT)
Flights to Sydney (SYD)
Flights from Ontario (ONT)
Flights from Sydney (SYD)
Why Fareleaders for ONT to SYD Plane Tickets
New Deals Everyday
Get the best prices on ONT to SYD flights—we update our fares daily so you never miss a saving.
No Service Fees
Compare hundreds of Ontario to Sydney flights and secure the best deals—we never add any service fees.