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Cheap flights from Ontario to Adelaide from $797

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ADL
19 Jul — 26 Jul1
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 19 June 2026.

Mon 2/1118:20
YUL
-
ADL
2 stops30h 30m
Multiple Airlines
Mon 30/1121:40
ADL
-
YUL
2 stops38h 56m
Multiple Airlines
Deal found 17/6$2,388
Sat 24/1018:00
YUL
-
ADL
2 stops33h 40m
Air Canada
Wed 28/1006:10
ADL
-
YUL
2 stops29h 26m
Air Canada
Deal found 18/6$2,421
Sat 3/1022:25
YYZ
-
ADL
2 stops47h 15m
Air Canada
Wed 31/319:55
ADL
-
YYZ
2 stops35h 07m
Air Canada
Deal found 19/6$2,429
Sat 21/1110:00
YYZ
-
ADL
2 stops33h 25m
Air New Zealand
Fri 4/1212:05
ADL
-
YYZ
2 stops26h 17m
Air New Zealand
Deal found 16/6$2,442
Sat 19/922:25
YYZ
-
ADL
2 stops47h 15m
Air Canada
Wed 23/918:55
ADL
-
YYZ
2 stops38h 18m
Air Canada
Deal found 17/6$2,445
Wed 2/1214:00
YYZ
-
ADL
2 stops29h 25m
American Airlines
Mon 28/1206:25
ADL
-
YYZ
2 stops31h 50m
American Airlines
Deal found 18/6$2,478
Thu 3/1219:00
YYZ
-
ADL
2 stops27h 25m
Multiple Airlines
Mon 28/1221:40
ADL
-
YYZ
2 stops36h 27m
Multiple Airlines
Deal found 18/6$2,482
Thu 3/1214:00
YYZ
-
ADL
2 stops32h 10m
American Airlines
Tue 29/1206:25
ADL
-
YYZ
2 stops31h 50m
American Airlines
Deal found 15/6$2,522
Sat 8/819:00
YYZ
-
ADL
2 stops26h 40m
Multiple Airlines
Sat 15/814:45
ADL
-
YYZ
2 stops38h 39m
Multiple Airlines
Deal found 18/6$2,581
Fri 31/713:10
YYZ
-
ADL
2 stops33h 50m
Multiple Airlines
Thu 6/812:35
ADL
-
YYZ
2 stops31h 17m
Multiple Airlines
Deal found 19/6$2,583
Thu 22/1006:55
YOW
-
ADL
2 stops40h 30m
Air Canada
Mon 26/1006:10
ADL
-
YOW
2 stops24h 06m
Air Canada
Deal found 18/6$2,613
Wed 2/920:30
YYZ
-
ADL
2 stops25h 10m
Air Canada
Thu 24/919:00
ADL
-
YYZ
2 stops34h 53m
Air Canada
Deal found 16/6$2,631

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 19 June 2026.

Round-trip from

$2,069

One-way from

$797

Popular in

June

Cheapest in

May

Average price

$3,437
Fiji Airways
  • Fiji Airways
  • 17/10-31/10
  • 4 total stops
  • 69h 15m total
  • Ontario to Adelaide
Search Deals
1/12
  • 1/12
  • 2 total stops
  • 34h 50m total
  • Ontario to Adelaide
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($326 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($94 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 19 June 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

Sat 24/10

14:10-18:10

3 stops37h 30m

Adelaide

Wed 28/10

06:10-17:03

2 stops25h 23m

$2,432

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 19/9

22:25-11:10

2 stops47h 15m

Adelaide

Wed 23/9

18:55-19:43

2 stops38h 18m

$2,445

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 8/8

19:00-11:10

2 stops26h 40m

Adelaide

Sat 15/8

14:45-15:54

2 stops38h 39m

$2,581

OttawaAdelaide

YOW - ADL

YOWADL

Ottawa

Thu 22/10

06:55-13:55

2 stops40h 30m

Adelaide

Mon 26/10

06:10-15:46

2 stops24h 06m

$2,613

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 21/11

20:10-20:40

2 stops33h 00m

Adelaide

Fri 4/12

22:00-14:40

1 stop32h 10m

$2,751

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 3/10

13:15-09:25

3 stops29h 40m

Adelaide

Wed 31/3

14:25-06:10

2 stops30h 15m

$2,804

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Thu 6/8

18:35-09:40

2 stops25h 35m

Adelaide

Tue 11/8

06:00-23:29

3 stops30h 59m

$2,883

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 19/9

21:00-15:00

1 stop28h 30m

Adelaide

Wed 23/9

22:00-15:00

1 stop30h 30m

$2,943

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 2/11

20:50-17:05

1 stop28h 45m

Adelaide

Mon 30/11

06:10-14:05

2 stops47h 25m

$2,970

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 3/10

21:00-16:00

1 stop28h 30m

Adelaide

Mon 5/10

19:20-15:00

2 stops34h 10m

$3,171

Flights are sorted by cheapest return flights first.

Deals found on 17/6

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, August is the cheapest month in which you can book a flight from Region of Ontario to Adelaide (average of $1,482). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of $2,614). 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 Air Canada and Qatar Airways fly from Region of Ontario to Adelaide in about 33h. The time it takes to get you to your destination can typically vary by up to 4h 30m. 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 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 $1,482). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of $2,614). 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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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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