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Cheap flights from Ontario to Adelaide from $878

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ADL
31 Mar — 7 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 1 March 2026.

Tue 20/1018:35
YYZ
-
ADL
2 stops27h 30m
Multiple Airlines
Sat 31/1013:15
ADL
-
YYZ
2 stops25h 14m
Multiple Airlines
Deal found 1/3$1,909
Sun 19/418:45
YYZ
-
ADL
2 stops50h 40m
Multiple Airlines
Thu 30/412:05
ADL
-
YYZ
2 stops24h 01m
Multiple Airlines
Deal found 26/2$2,174
Mon 25/509:00
YYZ
-
ADL
2 stops36h 25m
Air New Zealand
Wed 3/612:05
ADL
-
YYZ
2 stops25h 29m
Air New Zealand
Deal found 28/2$2,188
Fri 22/516:15
YYZ
-
ADL
2 stops29h 10m
Multiple Airlines
Fri 5/612:05
ADL
-
YYZ
2 stops24h 33m
Multiple Airlines
Deal found 1/3$2,193
Wed 6/515:45
YYZ
-
ADL
2 stops32h 20m
Multiple Airlines
Wed 20/519:45
ADL
-
YYZ
2 stops31h 45m
Multiple Airlines
Deal found 28/2$2,205
Wed 27/517:40
YUL
-
ADL
2 stops27h 45m
Air New Zealand
Wed 10/612:05
ADL
-
YUL
2 stops32h 21m
Air New Zealand
Deal found 1/3$2,232
Tue 14/407:15
YYZ
-
ADL
2 stops38h 50m
Multiple Airlines
Tue 21/414:20
ADL
-
YYZ
2 stops37h 10m
Multiple Airlines
Deal found 28/2$2,246
Tue 17/316:44
YYZ
-
ADL
3 stops30h 26m
Multiple Airlines
Thu 23/414:25
ADL
-
YYZ
2 stops29h 15m
Multiple Airlines
Deal found 26/2$2,247
Sun 12/421:35
YUL
-
ADL
1 stop28h 45m
Qatar Airways
Sat 18/419:00
ADL
-
YUL
2 stops57h 15m
Qatar Airways
Deal found 27/2$2,290
Tue 2/606:45
YUL
-
ADL
3 stops37h 10m
Multiple Airlines
Tue 16/619:45
ADL
-
YUL
3 stops48h 50m
Multiple Airlines
Deal found 27/2$2,298
Sun 5/408:30
YUL
-
ADL
3 stops47h 55m
Multiple Airlines
Wed 6/507:15
ADL
-
YUL
3 stops37h 06m
Multiple Airlines
Deal found 28/2$2,427
Wed 15/418:00
YOW
-
ADL
2 stops27h 40m
Air Canada
Mon 4/521:20
ADL
-
YOW
2 stops41h 05m
Air Canada
Deal found 1/3$2,485

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 1 March 2026.

Round-trip from

$2,174

One-way from

$878

Popular in

December

Cheapest in

October

Average price

$2,642
Air New Zealand
  • Air New Zealand
  • 19/4-30/4
  • 4 total stops
  • 74h 41m total
  • Ontario to Adelaide
Search Deals
15/4
  • 15/4
  • 3 total stops
  • 47h 50m total
  • Ontario to Adelaide
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($288 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($69 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 1 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

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Tue 17/3

17:14-10:55

2 stops27h 11m

Adelaide

Thu 23/4

14:25-06:10

2 stops29h 15m

$2,267

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

16:30-11:15

2 stops29h 15m

Adelaide

Tue 16/6

16:30-16:58

2 stops37h 58m

$2,495

OttawaAdelaide

YOW - ADL

YOWADL

Ottawa

Fri 1/5

17:50-15:55

2 stops32h 35m

Adelaide

Tue 12/5

20:00-06:00

2 stops47h 30m

$2,519

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Fri 29/5

19:00-18:25

1 stop33h 55m

Adelaide

Sat 6/6

14:20-16:32

2 stops39h 42m

$2,520

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Tue 7/4

07:00-10:55

3 stops38h 25m

Adelaide

Tue 28/4

06:05-00:17

2 stops31h 42m

$2,655

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

17:55-10:55

2 stops27h 30m

Adelaide

Sat 18/4

19:00-16:56

2 stops35h 26m

$2,665

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

17:50-14:10

2 stops29h 50m

Adelaide

Sat 21/3

14:15-15:16

2 stops39h 31m

$2,668

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Sun 15/3

20:00-09:20

3 stops46h 50m

Adelaide

Sat 4/4

06:05-16:50

2 stops49h 15m

$2,745

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Tue 24/3

16:44-13:40

3 stops30h 26m

Adelaide

Tue 21/4

06:00-23:29

3 stops30h 59m

$2,745

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Tue 14/4

21:00-15:50

1 stop29h 20m

Adelaide

Tue 21/4

21:40-18:57

2 stops34h 47m

$2,814

Flights are sorted by cheapest return flights first.

Deals found on 26/2

Showing 1-10 of 32 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, August is the cheapest month in which you can book a flight from Region of Ontario to Adelaide (average of $1,465). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of $2,559). 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?

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 Air Canada and United Airlines fly from Region of Ontario to Adelaide in about 32h 35m. The time it takes to get you to your destination can typically vary by up to 5h 50m. Region of Ontario and Adelaide are separated by a distance of 16905 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, August is the cheapest month in which you can book a flight from Region of Ontario to Adelaide (average of $1,465). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of $2,559). 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?

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