Cheap flights from Ontario to Australia from $417
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Australia departing on 4/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ontario to Australia
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Alaska Airlines flights from Ontario to Australia
Our best Alaska Airlines deals on Ontario to Australia flight tickets
United Airlines flights from Ontario to Australia
Our best United Airlines deals on Ontario to Australia flight tickets
See travel insights to Australia from
How to get the cheapest flight ticket from Ontario to Australia
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Australia?
The cheapest day to depart from Ontario to Australia is on a Saturday. Travelers who choose to depart for Australia on a Saturday will often find tickets for as low as $878. On the other hand, Wednesday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,172.
What is the cheapest time of day to depart on your flight to Australia?
Flying to Australia from Ontario in the morning is the least expensive time of day to depart. momondo users have found prices as low as $969 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,303 on average. Flights to Australia from Ontario in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest airline that flies from Ontario to Australia?
Alaska Airlines, United Airlines, and Hawaiian Airlines are the most popular carriers operating from Ontario to Australia
What airlines fly to Australia?
Qantas Airways, Fiji Airways and United Airlines are the top three most popular airlines that fly to Australia from Ontario according to our data. Qantas Airways is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 14 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.
Cheap Ontario to Australia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Australia
When did momondo last update prices for flights from Ontario Airport to Australia?
Prices for flights from Ontario Airport to Australia are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Australia?
As of April 2025, there are 3 operators available to choose from for flights from Ontario Airport to Australia.
How old do you have to be to fly from Ontario Airport to Australia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Australia.
What documentation or ID do you need to fly to Australia?
The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Ontario to Australia
Compare and see reviews for airlines that fly from Ontario to Australia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $732 | Free Cancellation | Rating 8.1 188 reviews | |||
| PriceFrom $909 | Free Cancellation | Rating 7.4 8,685 reviews | |||
| PriceFrom $1,042 | Free Cancellation | Rating 7.5 826 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Australia?
It is quick and easy to find Ontario to Australia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Australia that suits you.
Can I find flights from Ontario to Australia with flexible booking policies on momondo?
All flight searches from Ontario to Australia on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Ontario to Australia?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Australia.
I’m not ready to book a flight from Ontario to Australia right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Ontario to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.