Find flights
When to book
FAQs

Cheap flights from Ontario to Adelaide from $826

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ADL
6 Apr — 13 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 7 March 2026.

Thu 10/918:20
YUL
-
ADL
2 stops27h 45m
Multiple Airlines
Thu 8/1013:35
ADL
-
YUL
2 stops40h 57m
Multiple Airlines
Deal found 4/3$1,928
Fri 11/907:15
YUL
-
ADL
3 stops38h 10m
Multiple Airlines
Wed 7/1012:05
ADL
-
YUL
3 stops33h 30m
Multiple Airlines
Deal found 5/3$2,143
Sun 13/907:15
YUL
-
ADL
3 stops38h 10m
Multiple Airlines
Tue 6/1012:05
ADL
-
YUL
3 stops33h 30m
Multiple Airlines
Deal found 4/3$2,156
Tue 7/421:00
YYZ
-
ADL
1 stop29h 20m
Multiple Airlines
Tue 21/421:40
ADL
-
YYZ
2 stops34h 47m
Multiple Airlines
Deal found 6/3$2,204
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 3/3$2,220
Wed 6/521:00
YYZ
-
ADL
2 stops35h 40m
Qatar Airways
Wed 20/521:40
ADL
-
YYZ
1 stop30h 50m
Qatar Airways
Deal found 6/3$2,224
Sun 26/718:35
YUL
-
ADL
2 stops50h 50m
Air New Zealand
Sun 16/812:05
ADL
-
YUL
2 stops31h 40m
Air New Zealand
Deal found 2/3$2,246
Sun 19/418:45
YYZ
-
ADL
2 stops50h 40m
Multiple Airlines
Thu 30/412:05
ADL
-
YYZ
2 stops39h 49m
Multiple Airlines
Deal found 3/3$2,257
Sat 11/417:55
YUL
-
ADL
2 stops28h 10m
Multiple Airlines
Sat 2/512:35
ADL
-
YUL
2 stops40h 57m
Multiple Airlines
Deal found 3/3$2,270
Sun 19/418:45
YYZ
-
ADL
2 stops50h 40m
Multiple Airlines
Sun 26/412:05
ADL
-
YYZ
2 stops25h 42m
Multiple Airlines
Deal found 4/3$2,273
Wed 1/412:30
YYZ
-
ADL
2 stops30h 40m
Qantas Airways
Wed 8/417:10
ADL
-
YYZ
2 stops43h 15m
Qantas Airways
Deal found 3/3$2,293
Tue 17/317:14
YYZ
-
ADL
2 stops28h 06m
Multiple Airlines
Thu 23/414:25
ADL
-
YYZ
2 stops29h 15m
Multiple Airlines
Deal found 2/3$2,297

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 7 March 2026.

Round-trip from

$2,204

One-way from

$826

Popular in

December

Cheapest in

October

Average price

$2,677
7/4-21/4
  • 7/4-21/4
  • 3 total stops
  • 64h 07m total
  • Ontario to Adelaide
Search Deals
20/4
  • 20/4
  • 3 total stops
  • 47h 50m total
  • Ontario to Adelaide
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($296 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($72 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 7 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

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

17:55-11:35

2 stops28h 10m

Adelaide

Sat 2/5

12:35-16:02

2 stops40h 57m

$2,270

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

$2,318

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

$2,337

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Tue 7/4

18:15-11:05

2 stops27h 20m

Adelaide

Tue 21/4

19:10-06:10

2 stops48h 30m

$2,396

OttawaAdelaide

YOW - ADL

YOWADL

Ottawa

Sun 19/4

18:00-11:10

2 stops27h 40m

Adelaide

Sun 26/4

19:00-23:06

3 stops41h 36m

$2,442

OttawaAdelaide

YOW - ADL

YOWADL

Ottawa

Sun 19/4

14:05-11:50

3 stops32h 15m

Adelaide

Sun 26/4

20:00-23:06

3 stops40h 36m

$2,459

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Tue 26/5

21:00-15:50

1 stop29h 20m

Adelaide

Wed 3/6

21:40-15:00

1 stop30h 50m

$2,463

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Tue 26/5

16:55-15:50

2 stops33h 25m

Adelaide

Wed 3/6

21:40-20:30

2 stops36h 20m

$2,518

OttawaAdelaide

YOW - ADL

YOWADL

Ottawa

Fri 1/5

05:00-13:55

2 stops43h 25m

Adelaide

Tue 12/5

20:00-06:00

2 stops47h 30m

$2,612

OttawaAdelaide

YOW - ADL

YOWADL

Ottawa

Sat 18/4

18:00-11:50

2 stops28h 20m

Adelaide

Sat 25/4

19:00-21:16

3 stops39h 46m

$2,623

Flights are sorted by cheapest return flights first.

Deals found on 4/3

Showing 1-10 of 42 resultsSorted by cheapest first
1
2
3
...
5

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 $1,484). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of $2,593). 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, Qantas Airways, and Air Canada fly from Region of Ontario to Adelaide in about 27h 20m. The time it takes to get you to your destination can typically vary by up to 4h 55m. 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, August is the cheapest month in which you can book a flight from Region of Ontario to Adelaide (average of $1,484). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of $2,593). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Adelaide?

Cheapflights makes it easy to find Ontario to Adelaide flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Adelaide?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Adelaide.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.