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Cheap flights from Ontario to Adelaide from $1,049

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ADL
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 20 November 2025.

Thu 4/1213:25YUL - ADL
2 stops30h 00mMultiple Airlines
Thu 15/106:10ADL - YUL
2 stops28h 46mMultiple Airlines
Deal found 18/11$2,264
Thu 4/1213:25YUL - ADL
2 stops30h 00mAir Canada
Thu 15/106:10ADL - YUL
2 stops26h 20mAir Canada
Deal found 19/11$2,272
Tue 25/1114:10YYZ - ADL
2 stops32h 15mMultiple Airlines
Tue 2/1219:40ADL - YYZ
2 stops36h 49mMultiple Airlines
Deal found 18/11$2,520
Mon 24/1100:35YYZ - ADL
2 stops40h 10mCathay Pacific
Tue 2/1206:05ADL - YYZ
2 stops45h 40mCathay Pacific
Deal found 18/11$2,985
Mon 29/1222:15YYZ - ADL
2 stops45h 10mMultiple Airlines
Sun 11/111:55ADL - YYZ
2 stops41h 55mMultiple Airlines
Deal found 19/11$2,996
Mon 29/1221:00YUL - ADL
2 stops53h 40mAir Canada
Mon 2/206:10ADL - YUL
2 stops26h 20mAir Canada
Deal found 19/11$3,045
Tue 30/1218:20YUL - ADL
2 stops28h 05mAir Canada
Tue 3/206:10ADL - YUL
2 stops26h 20mAir Canada
Deal found 19/11$3,097
Mon 29/1221:00YUL - ADL
2 stops53h 40mAir Canada
Sat 31/118:55ADL - YUL
2 stops37h 35mAir Canada
Deal found 19/11$3,104
Mon 29/1221:00YUL - ADL
2 stops49h 25mAir Canada
Fri 30/106:10ADL - YUL
2 stops26h 20mAir Canada
Deal found 19/11$3,151
Mon 29/1206:30YYZ - ADL
2 stops36h 30mCathay Pacific
Sun 11/112:00ADL - YYZ
1 stop39h 45mCathay Pacific
Deal found 19/11$3,699

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 20 November 2025.

Round-trip from

$1,951

One-way from

$1,049

Popular in

December

Cheapest in

October

Average price

$2,712
Cathay Pacific
  • Cathay Pacific
  • 11/3-25/3
  • 2 total stops
  • 53h 35m total
  • Ontario to Adelaide
Search Deals
2/12
  • 2/12
  • 2 total stops
  • 31h 40m total
  • Ontario to Adelaide
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($494 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($118 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 20 November 2025.
Use the filters below to find and compare flights from Ontario to Adelaide that are best for you.

Fly from

Ontario

Fly to

Adelaide

Route

Depart

Return

Price

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Thu 4/12

13:25-10:55

2 stops30h 00m

Adelaide

Thu 15/1

06:10-17:00

2 stops26h 20m

$2,266

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Thu 4/12

13:25-10:55

2 stops30h 00m

Adelaide

Thu 15/1

06:10-17:00

2 stops26h 20m

$2,272

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sun 8/2

14:00-11:50

2 stops30h 20m

Adelaide

Sun 15/3

09:00-20:40

2 stops26h 10m

$2,354

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Mon 9/2

14:00-10:55

2 stops29h 25m

Adelaide

Mon 16/3

09:00-20:40

2 stops26h 10m

$2,354

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sun 18/1

10:00-11:50

2 stops34h 20m

Adelaide

Sun 25/1

06:15-00:05

3 stops33h 20m

$2,385

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 24/1

10:00-12:15

2 stops34h 45m

Adelaide

Tue 9/6

06:00-06:25

3 stops37h 55m

$2,414

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Tue 25/11

14:10-13:55

2 stops32h 15m

Adelaide

Tue 2/12

19:40-16:59

2 stops36h 49m

$2,520

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Mon 9/2

10:00-09:30

2 stops32h 00m

Adelaide

Mon 16/3

13:55-07:30

1 stop32h 05m

$2,545

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sun 8/2

10:30-16:25

3 stops38h 25m

Adelaide

Sun 15/3

06:00-21:51

3 stops30h 21m

$2,750

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 15/12

18:20-16:20

2 stops30h 30m

Adelaide

Thu 15/1

06:00-19:58

3 stops29h 28m

$3,323

Flights are sorted by cheapest return flights first.

Deals found on 18/11

Showing 1-10 of 20 results
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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 $1,607). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of $2,809). 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 20 November 2025.

When flying from Region of Ontario to Adelaide, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 35% versus a flight in the evening.

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 fly from Region of Ontario to Adelaide in about 30h. The time it takes to get you to your destination can typically vary by up to . Region of Ontario and Adelaide are separated by a distance of 17048 km.

  • 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, August is the cheapest month in which you can book a flight from Region of Ontario to Adelaide (average of $1,607). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of $2,809). 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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