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Cheap flights from Ontario to Adelaide from $1,125

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ADL
12 Oct — 19 Oct1
1 adult
1 adult, Economy

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 12 September 2025.

Round-trip from

$2,259

One-way from

$1,125

Popular in

December

Cheapest in

September

Average price

$2,398
Air New Zealand
  • Air New Zealand
  • 2/12-25/2
  • 4 total stops
  • 61h 18m total
  • Ontario to Adelaide
Search Deals
1/11
  • 1/11
  • 3 total stops
  • 53h 20m total
  • Ontario to Adelaide
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($341 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($63 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Ontario to Adelaide

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 September 2025.

Tue 2/1208:00YYZ - ADL
2 stops35h 25mAir New Zealand
Wed 25/211:55ADL - YYZ
2 stops25h 53mAir New Zealand
Deal found 10/9$2,259
Sat 25/1018:00YOW - ADL
2 stops36h 40mMultiple Airlines
Sat 1/1110:55ADL - YOW
2 stops44h 20mMultiple Airlines
Deal found 9/9$2,370
Mon 3/1118:20YUL - ADL
2 stops36h 40mAir Canada
Tue 25/1106:00ADL - YUL
3 stops29h 23mAir Canada
Deal found 9/9$2,468
Mon 3/1118:20YUL - ADL
2 stops30h 30mMultiple Airlines
Tue 25/1119:40ADL - YUL
2 stops40h 50mMultiple Airlines
Deal found 9/9$2,560
Sat 8/1122:35YYZ - ADL
2 stops52h 05mAir Canada
Sat 27/1206:00ADL - YYZ
2 stops32h 52mAir Canada
Deal found 11/9$2,618
Tue 2/1210:00YYZ - ADL
2 stops34h 45mMultiple Airlines
Wed 25/217:40ADL - YYZ
3 stops45h 42mMultiple Airlines
Deal found 10/9$2,619
Sun 14/921:35YUL - ADL
1 stop28h 45mQatar Airways
Thu 18/916:30ADL - YUL
2 stops35h 45mQatar Airways
Deal found 10/9$2,646
Thu 9/1013:55YOW - ADL
3 stops33h 30mAir Canada
Thu 16/1006:10ADL - YOW
2 stops40h 43mAir Canada
Deal found 11/9$2,680
Thu 9/1008:35YOW - ADL
3 stops41h 05mMultiple Airlines
Thu 16/1006:00ADL - YOW
3 stops34h 04mMultiple Airlines
Deal found 11/9$2,728
Wed 24/1206:30YYZ - ADL
2 stops36h 55mMultiple Airlines
Wed 21/111:55ADL - YYZ
2 stops25h 12mMultiple Airlines
Deal found 10/9$2,731
Wed 24/1215:45YYZ - ADL
2 stops27h 40mAir New Zealand
Wed 21/111:55ADL - YYZ
2 stops26h 57mAir New Zealand
Deal found 11/9$2,767
Sun 14/907:30YUL - ADL
2 stops38h 50mMultiple Airlines
Thu 18/916:30ADL - YUL
2 stops37h 36mMultiple Airlines
Deal found 10/9$2,793

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 September 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

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Tue 2/12

08:00-10:55

2 stops35h 25m

Adelaide

Wed 25/2

11:55-22:18

2 stops25h 53m

$2,259

OttawaAdelaide

YOW - ADL

YOWADL

Ottawa

Sat 25/10

18:00-21:10

2 stops36h 40m

Adelaide

Sat 1/11

10:55-16:45

2 stops44h 20m

$2,370

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 3/11

18:20-22:30

2 stops36h 40m

Adelaide

Tue 25/11

06:00-19:53

3 stops29h 23m

$2,468

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 28/2

17:55-22:30

2 stops37h 05m

Adelaide

Wed 4/3

06:10-16:59

2 stops26h 19m

$2,475

OttawaAdelaide

YOW - ADL

YOWADL

Ottawa

Wed 28/1

19:27-09:30

2 stops46h 33m

Adelaide

Mon 9/2

14:55-14:27

2 stops39h 02m

$2,532

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 28/2

18:15-09:30

1 stop23h 45m

Adelaide

Wed 4/3

14:55-07:00

1 stop31h 35m

$2,533

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 3/11

18:20-16:20

2 stops30h 30m

Adelaide

Tue 25/11

19:40-21:00

2 stops40h 50m

$2,560

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 8/11

22:35-18:10

2 stops52h 05m

Adelaide

Sat 27/12

06:00-23:22

2 stops32h 52m

$2,618

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Tue 2/12

10:00-12:15

2 stops34h 45m

Adelaide

Wed 25/2

17:40-23:52

3 stops45h 42m

$2,619

OttawaAdelaide

YOW - ADL

YOWADL

Ottawa

Thu 9/10

13:55-13:55

3 stops33h 30m

Adelaide

Thu 16/10

06:10-08:23

2 stops40h 43m

$2,680

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 34 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, June is the cheapest month in which you can book a flight from Region of Ontario to Adelaide (average of $168). Flying from Region of Ontario to Adelaide in October is currently the most expensive (average of $241). 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 12 September 2025.

When flying from Region of Ontario to Adelaide, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 New Zealand, Air Canada, and United Airlines fly from Region of Ontario to Adelaide in about 35h 25m. The time it takes to get you to your destination can typically vary by up to 11h 08m. 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, June is the cheapest month in which you can book a flight from Region of Ontario to Adelaide (average of $168). Flying from Region of Ontario to Adelaide in October is currently the most expensive (average of $241). 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
Stirling

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