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Cheap flights from Ontario to Adelaide from $866

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ADL
11 Apr — 18 Apr1
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 12 March 2026.

Tue 7/421:00
YYZ
-
ADL
1 stop29h 20m
Multiple Airlines
Tue 21/421:40
ADL
-
YYZ
2 stops34h 47m
Multiple Airlines
Deal found 9/3$2,164
Fri 18/1221:40
YYZ
-
ADL
2 stops47h 05m
Multiple Airlines
Sat 9/113:15
ADL
-
YYZ
2 stops26h 55m
Multiple Airlines
Deal found 10/3$2,178
Tue 7/421:00
YYZ
-
ADL
1 stop29h 20m
Multiple Airlines
Tue 28/421:40
ADL
-
YYZ
2 stops34h 47m
Multiple Airlines
Deal found 9/3$2,180
Thu 19/321:10
YYZ
-
ADL
1 stop29h 25m
Qatar Airways
Tue 14/421:40
ADL
-
YYZ
2 stops37h 24m
Qatar Airways
Deal found 7/3$2,192
Wed 18/321:10
YYZ
-
ADL
1 stop29h 25m
Qatar Airways
Mon 13/421:40
ADL
-
YYZ
2 stops61h 24m
Qatar Airways
Deal found 7/3$2,195
Tue 7/421:00
YYZ
-
ADL
1 stop29h 20m
Qatar Airways
Tue 28/408:40
ADL
-
YYZ
2 stops43h 50m
Qatar Airways
Deal found 11/3$2,197
Tue 7/421:00
YYZ
-
ADL
1 stop29h 20m
Qatar Airways
Tue 21/421:40
ADL
-
YYZ
1 stop30h 50m
Qatar Airways
Deal found 11/3$2,199
Wed 18/321:10
YYZ
-
ADL
1 stop29h 25m
Qatar Airways
Tue 14/421:40
ADL
-
YYZ
2 stops37h 24m
Qatar Airways
Deal found 7/3$2,219
Wed 6/521:00
YYZ
-
ADL
2 stops35h 40m
Qatar Airways
Wed 20/521:40
ADL
-
YYZ
1 stop30h 50m
Qatar Airways
Deal found 9/3$2,224
Mon 6/421:35
YUL
-
ADL
2 stops33h 55m
Qatar Airways
Mon 13/421:40
ADL
-
YUL
1 stop30h 35m
Qatar Airways
Deal found 9/3$2,299
Sun 12/421:35
YUL
-
ADL
1 stop28h 45m
Qatar Airways
Sat 18/419:00
ADL
-
YUL
2 stops57h 15m
Qatar Airways
Deal found 8/3$2,326
Mon 16/316:45
YUL
-
ADL
2 stops26h 05m
United Airlines
Mon 23/314:15
ADL
-
YUL
2 stops39h 31m
United Airlines
Deal found 10/3$2,487

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 12 March 2026.

Round-trip from

$2,164

One-way from

$866

Popular in

December

Cheapest in

October

Average price

$2,575
7/4-21/4
  • 7/4-21/4
  • 3 total stops
  • 64h 07m total
  • Ontario to Adelaide
Search Deals
25/4
  • 25/4
  • 3 total stops
  • 39h 20m total
  • Ontario to Adelaide
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($266 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($66 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 12 March 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

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Tue 7/4

21:00-15:50

1 stop29h 20m

Adelaide

Tue 21/4

21:40-18:57

2 stops34h 47m

$2,164

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Tue 7/4

21:00-15:50

1 stop29h 20m

Adelaide

Tue 28/4

21:40-18:57

2 stops34h 47m

$2,180

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Wed 6/5

21:00-22:10

2 stops35h 40m

Adelaide

Wed 20/5

21:40-15:00

1 stop30h 50m

$2,224

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 6/4

21:35-21:00

2 stops33h 55m

Adelaide

Mon 13/4

21:40-14:45

1 stop30h 35m

$2,299

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 4/4

21:00-15:50

1 stop29h 20m

Adelaide

Sat 30/5

21:40-20:30

2 stops36h 20m

$2,325

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

21:35-15:50

1 stop28h 45m

Adelaide

Sat 18/4

19:00-14:45

2 stops57h 15m

$2,326

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Tue 24/3

21:10-08:00

2 stops44h 20m

Adelaide

Tue 21/4

21:40-18:57

2 stops34h 47m

$2,329

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Tue 26/5

21:00-15:50

1 stop29h 20m

Adelaide

Wed 3/6

21:40-20:30

2 stops36h 20m

$2,346

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 4/4

21:00-15:50

1 stop29h 20m

Adelaide

Sat 30/5

21:40-15:00

1 stop30h 50m

$2,413

OttawaAdelaide

YOW - ADL

YOWADL

Ottawa

Fri 1/5

09:30-13:55

2 stops38h 55m

Adelaide

Tue 12/5

20:00-00:55

2 stops42h 25m

$2,588

Flights are sorted by cheapest return flights first.

Deals found on 11/3

Showing 1-10 of 34 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 $1,456). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of $2,530). 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.

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 35h 40m. The time it takes to get you to your destination can typically vary by up to 3h 15m. Region of Ontario and Adelaide are separated by a distance of 16613 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 Montreal Pierre Elliott Trudeau Intl - Adelaide or Ottawa - 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 $1,456). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of $2,530). 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?

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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.

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