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Cheap flights from Ontario to Adelaide from $1,153

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ADL
1 Sep — 8 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Adelaide

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Adelaide
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 2 August 2026.

Sun 13/921:35
YUL
-
ADL
1 stop27h 55m
Qatar Airways
Thu 17/912:50
ADL
-
YUL
2 stops39h 25m
Qatar Airways
Deal found 28/7$1,871
Wed 14/1015:45
YYZ
-
ADL
2 stops51h 25m
Multiple Airlines
Sat 31/1019:00
ADL
-
YYZ
2 stops32h 45m
Multiple Airlines
Deal found 29/7$2,220
Wed 2/901:50
YYZ
-
ADL
2 stops39h 45m
Multiple Airlines
Mon 14/918:30
ADL
-
YYZ
2 stops41h 10m
Multiple Airlines
Deal found 31/7$2,282
Wed 9/915:53
YYZ
-
ADL
2 stops29h 32m
Air New Zealand
Fri 2/1011:05
ADL
-
YYZ
2 stops25h 01m
Air New Zealand
Deal found 29/7$2,363
Fri 11/915:53
YYZ
-
ADL
2 stops29h 32m
Air New Zealand
Fri 2/1011:05
ADL
-
YYZ
2 stops25h 01m
Air New Zealand
Deal found 28/7$2,418
Fri 11/922:30
YYZ
-
ADL
2 stops47h 35m
Multiple Airlines
Sat 3/1012:35
ADL
-
YYZ
2 stops26h 00m
Multiple Airlines
Deal found 30/7$2,427
Wed 14/1021:00
YYZ
-
ADL
2 stops46h 35m
Qatar Airways
Sat 31/1022:00
ADL
-
YYZ
1 stop32h 00m
Qatar Airways
Deal found 29/7$2,522
Sun 30/821:00
YYZ
-
ADL
1 stop28h 30m
Qatar Airways
Wed 16/922:00
ADL
-
YYZ
1 stop30h 30m
Qatar Airways
Deal found 31/7$2,542
Sun 13/918:00
YUL
-
ADL
2 stops27h 40m
Multiple Airlines
Thu 17/920:00
ADL
-
YUL
3 stops36h 51m
Multiple Airlines
Deal found 28/7$2,586
Sun 13/910:10
YUL
-
ADL
3 stops36h 10m
Air Canada
Thu 17/920:00
ADL
-
YUL
3 stops36h 22m
Air Canada
Deal found 28/7$2,898
Wed 19/821:35
YUL
-
ADL
1 stop27h 55m
Qatar Airways
Sun 23/822:00
ADL
-
YUL
1 stop30h 15m
Qatar Airways
Deal found 29/7$3,184
Wed 19/821:30
YUL
-
ADL
2 stops50h 55m
Air Canada
Sun 23/820:00
ADL
-
YUL
2 stops42h 02m
Air Canada
Deal found 29/7$3,191

Find flight deals from Ontario to Adelaide

Keep the following information in mind while searching for Ontario to Adelaide flight deals. Data was last updated 2 August 2026.

Round-trip from

$1,871

One-way from

$1,153

Popular in

July

Cheapest in

May
Qatar Airways
  • Qatar Airways
  • 13/9-17/9
  • 3 total stops
  • 67h 20m total
  • Ontario to Adelaide
Search Deals
19/9
  • 19/9
  • 2 total stops
  • 55h 25m total
  • Ontario to Adelaide
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($764 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($86 potential savings vs. average return price).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Adelaide that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 2 August 2026.
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

Cheapest return flight

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

21:35-15:00

1 stop27h 55m

Adelaide

Thu 17/9

12:50-14:45

2 stops39h 25m

$1,871

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Fri 11/9

21:00-15:00

1 stop28h 30m

Adelaide

Fri 2/10

22:00-15:00

1 stop30h 30m

$2,574

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Wed 9/9

18:10-15:00

2 stops31h 20m

Adelaide

Fri 2/10

22:00-15:00

1 stop30h 30m

$2,579

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Fri 11/9

21:00-15:00

1 stop28h 30m

Adelaide

Sat 3/10

22:00-15:00

1 stop30h 30m

$2,603

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Fri 11/9

18:10-15:00

2 stops31h 20m

Adelaide

Fri 2/10

22:00-15:00

1 stop30h 30m

$2,660

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 29/8

17:55-11:05

2 stops27h 40m

Adelaide

Tue 15/9

17:10-10:59

3 stops31h 19m

$2,678

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Fri 11/9

18:10-15:00

2 stops31h 20m

Adelaide

Sat 3/10

22:00-15:00

1 stop30h 30m

$2,687

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

10:10-11:50

3 stops36h 10m

Adelaide

Thu 17/9

20:00-18:52

3 stops36h 22m

$2,898
Fastest return journey

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

21:35-15:00

1 stop27h 55m

Adelaide

Sun 23/8

22:00-14:45

1 stop30h 15m

$3,184

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

21:30-13:55

2 stops50h 55m

Adelaide

Sun 23/8

20:00-00:32

2 stops42h 02m

$3,191

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Showing 1-10 of 23 resultsSorted by cheapest first
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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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, May is the cheapest month in which you can book a flight from Region of Ontario to Adelaide (average of $2,289). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of $3,156). 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.

How much does it cost for a return flight from Region of Ontario to Adelaide?

Airfare is below average for this route at the moment.
Region of Ontario to Adelaide flights typically cost between $2,593 and $2,836 in October.
The cheapest return price found within the last 5 days was $2,220 on Multiple Airlines (14 Oct–31 Oct).

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.

  • What airport do you fly into for flights to Adelaide from Ontario?

    Adelaide (ADL) is the airport you will fly into if you book a flight from Ontario to Adelaide. It is only a 6.6 km journey from Adelaide (ADL) to Adelaide’s city centre.

  • How long is the flight from Region of Ontario to Adelaide?

    Airlines like Qatar Airways and Air Canada fly from Region of Ontario to Adelaide in about 27h 55m. The time it takes to get you to your destination can typically vary by up to 8h 15m. Region of Ontario and Adelaide are separated by a distance of 17048 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Region of Ontario to Adelaide?

    The most popular route from Region of Ontario to Adelaide is Toronto Pearson Intl - Adelaide. You may also consider Ottawa - Adelaide or Montreal Pierre Elliott Trudeau Intl - Adelaide.

  • Can I find deals for flights from Ontario to Adelaide that include hotel bookings?

    Yes. In addition to deals on Ontario to Adelaide flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Adelaide?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Adelaide.

  • Can I find deals for business class flights from Ontario to Adelaide?

    Yes. Cheapflights offers flight deals from Ontario to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Adelaide?

    Currently, May is the cheapest month in which you can book a flight from Region of Ontario to Adelaide (average of $2,289). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of $3,156). 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.

See more FAQs

Travelling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

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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.

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