Cheap Flight Tickets from Ontario (ONT) to Sydney (SYD), Starting at $487

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

$487

AS Alaska Airlines • 1 stop • 30h 45m

Oct 26 – Nov 03

The cheapest round trip flight from Ontario to Sydney (ONT-SYD-ONT) is currently $487

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Fastest Flight

30h 45m

The fastest nonstop flight from Ontario to Sydney (ONT-SYD) takes 30h 45m

Top Airlines Flying from Ontario to Sydney

Alaska Airlines -AS

Alaska Airlines

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.

Oct 26 - Nov 03, Economy
AS
Ontario → Sydney
30h 45m
7:00 AM - 7:45 PM • 1 stop
AS
Ontario → Sydney
33h 22m
9:40 PM - 10:42 PM • 2 stops
$487
Alaska Airlines
Oct 26 - Nov 03, Economy
AS
Ontario → Sydney
30h 45m
7:00 AM - 7:45 PM • 1 stop
AS
Ontario → Sydney
35h 16m
9:40 PM - 11:56 PM • 1 stop
$487
Alaska Airlines
Oct 24 - Oct 27, Economy
AS
Ontario → Sydney
30h 45m
7:00 AM - 7:45 PM • 1 stop
AS
Ontario → Sydney
31h 59m
9:40 PM - 10:59 PM • 2 stops
$493
Alaska Airlines
Oct 24 - Oct 27, Economy
AS
Ontario → Sydney
30h 45m
7:00 AM - 7:45 PM • 1 stop
AS
Ontario → Sydney
33h 39m
9:40 PM - 11:59 PM • 1 stop
$493
Alaska Airlines
Feb 28 - Mar 30, Economy
UA
Ontario → Sydney
32h 25m
6:35 PM - 9:20 AM • 1 stop
UA
Ontario → Sydney
22h 20m
10:30 AM - 6:10 AM • nonstop
$1304
United Airlines
Feb 28 - Mar 30, Economy
UA
Ontario → Sydney
32h 25m
6:35 PM - 9:20 AM • 1 stop
UA
Ontario → Sydney
28h 31m
11:20 AM - 10:31 AM • 1 stop
$1309
United Airlines

Fly from Ontario to Sydney with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Sydney? Find the biggest savings on one-way and round-trip tickets right here.

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 7:00 am 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 AS : USD 487
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 6:35 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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