Cheap flights from Ontario to Adelaide from $1,125
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ontario to Adelaide
Keep the following information in mind while searching for Ontario to Adelaide flight deals. Data was last updated 12 September 2025.
Round-trip from | $2,259 |
---|---|
One-way from | $1,125 |
Popular in | December |
Cheapest in | September |
Average price | $2,398 |
Find flight deals from Ontario to Adelaide
Cheapest flights from Ontario to AdelaideExplore the most affordable flight options available from Ontario to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.
Explore the most affordable flight options available from Ontario to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Ontario to Adelaide that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
TorontoAdelaide
YYZ - ADL
YYZADL
Toronto Pearson Intl
Tue 2/12
08:00-10:55
2 stops35h 25m
Adelaide
Wed 25/2
11:55-22:18
2 stops25h 53m
OttawaAdelaide
YOW - ADL
YOWADL
Ottawa
Sat 25/10
18:00-21:10
2 stops36h 40m
Adelaide
Sat 1/11
10:55-16:45
2 stops44h 20m
MontrealAdelaide
YUL - ADL
YULADL
Montreal Pierre Elliott Trudeau Intl
Mon 3/11
18:20-22:30
2 stops36h 40m
Adelaide
Tue 25/11
06:00-19:53
3 stops29h 23m
TorontoAdelaide
YYZ - ADL
YYZADL
Toronto Pearson Intl
Sat 28/2
17:55-22:30
2 stops37h 05m
Adelaide
Wed 4/3
06:10-16:59
2 stops26h 19m
OttawaAdelaide
YOW - ADL
YOWADL
Ottawa
Wed 28/1
19:27-09:30
2 stops46h 33m
Adelaide
Mon 9/2
14:55-14:27
2 stops39h 02m
TorontoAdelaide
YYZ - ADL
YYZADL
Toronto Pearson Intl
Sat 28/2
18:15-09:30
1 stop23h 45m
Adelaide
Wed 4/3
14:55-07:00
1 stop31h 35m
MontrealAdelaide
YUL - ADL
YULADL
Montreal Pierre Elliott Trudeau Intl
Mon 3/11
18:20-16:20
2 stops30h 30m
Adelaide
Tue 25/11
19:40-21:00
2 stops40h 50m
TorontoAdelaide
YYZ - ADL
YYZADL
Toronto Pearson Intl
Sat 8/11
22:35-18:10
2 stops52h 05m
Adelaide
Sat 27/12
06:00-23:22
2 stops32h 52m
TorontoAdelaide
YYZ - ADL
YYZADL
Toronto Pearson Intl
Tue 2/12
10:00-12:15
2 stops34h 45m
Adelaide
Wed 25/2
17:40-23:52
3 stops45h 42m
OttawaAdelaide
YOW - ADL
YOWADL
Ottawa
Thu 9/10
13:55-13:55
3 stops33h 30m
Adelaide
Thu 16/10
06:10-08:23
2 stops40h 43m
Best time to book a flight from Ontario to Adelaide
Have a flexible travel schedule? Discover the best time to fly to Adelaide from Ontario with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Adelaide
What is the cheapest month to book a flight from Region of Ontario to Adelaide?
Currently, June is the cheapest month in which you can book a flight from Region of Ontario to Adelaide (average of $168). Flying from Region of Ontario to Adelaide in October is currently the most expensive (average of $241). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ON to ADL?
Find hourly flight availability from Ontario to Adelaide. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 September 2025.
When flying from Region of Ontario to Adelaide, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Related info for your journey
Find useful and relevant information for your journey from Ontario to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Adelaide?
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Other flights to Adelaide
Explore flights to Adelaide departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 September 2025.
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How does Cheapflights help users find flights from Ontario to Adelaide?
Cheapflights makes it easy to find Ontario to Adelaide flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Ontario to Adelaide?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Adelaide.
Can Cheapflights find flights from Ontario to Adelaide with no change fees?
Need flexible booking options for your flight to Adelaide from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Ontario to Adelaide become cheaper?
Of course! You can now track prices for flights from Ontario to Adelaide and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.