Find flights
When to book
FAQs

Cheap flights from Ontario to Adelaide from $1,124

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ADL
26 Nov — 3 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 27 October 2025.

Wed 10/1210:00YYZ - ADL
2 stops41h 45mMultiple Airlines
Wed 17/1206:25ADL - YYZ
2 stops30h 28mMultiple Airlines
Deal found 26/10$2,335
Thu 4/1213:25YUL - ADL
2 stops30h 00mMultiple Airlines
Thu 15/106:10ADL - YUL
2 stops30h 20mMultiple Airlines
Deal found 25/10$2,367
Thu 4/1216:10YUL - ADL
3 stops30h 15mAir Canada
Thu 15/106:10ADL - YUL
2 stops26h 20mAir Canada
Deal found 25/10$2,382
Tue 16/1207:30YUL - ADL
2 stops35h 55mAir New Zealand
Wed 21/111:55ADL - YUL
2 stops34h 19mAir New Zealand
Deal found 25/10$2,579
Tue 11/1100:35YYZ - ADL
2 stops39h 00mCathay Pacific
Wed 26/1112:00ADL - YYZ
1 stop39h 45mCathay Pacific
Deal found 26/10$2,593
Mon 10/1118:40YYZ - ADL
2 stops31h 50mMultiple Airlines
Thu 13/1121:40ADL - YYZ
2 stops33h 00mMultiple Airlines
Deal found 26/10$2,657
Mon 24/1112:25YYZ - ADL
2 stops42h 35mAir Canada
Sun 7/1206:10ADL - YYZ
2 stops32h 42mAir Canada
Deal found 26/10$2,663
Wed 12/1108:00YYZ - ADL
2 stops34h 40mMultiple Airlines
Wed 26/1106:25ADL - YYZ
3 stops39h 45mMultiple Airlines
Deal found 26/10$2,689
Mon 24/1109:00YYZ - ADL
3 stops33h 20mMultiple Airlines
Sun 7/1206:25ADL - YYZ
3 stops40h 55mMultiple Airlines
Deal found 25/10$2,714
Mon 24/1113:55YYZ - ADL
1 stop29h 05mCathay Pacific
Sun 7/1214:30ADL - YYZ
2 stops37h 15mCathay Pacific
Deal found 25/10$2,715
Mon 1/1217:55YYZ - ADL
2 stops28h 30mMultiple Airlines
Wed 31/1206:10ADL - YYZ
2 stops42h 19mMultiple Airlines
Deal found 26/10$2,738
Mon 15/1218:45YUL - ADL
2 stops48h 40mAir New Zealand
Thu 15/111:55ADL - YUL
2 stops44h 18mAir New Zealand
Deal found 25/10$2,922

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 27 October 2025.

Round-trip from

$2,232

One-way from

$1,124

Popular in

December

Cheapest in

October

Average price

$2,425
25/1-17/2
  • 25/1-17/2
  • 6 total stops
  • 91h 40m total
  • Ontario to Adelaide
Search Deals
19/2
  • 19/2
  • 3 total stops
  • 44h 45m total
  • Ontario to Adelaide
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($464 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($106 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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 27 October 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

16:10-13:55

3 stops30h 15m

Adelaide

Thu 15/1

06:10-17:00

2 stops26h 20m

$2,382

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Tue 16/12

07:30-10:55

2 stops35h 55m

Adelaide

Wed 21/1

11:55-06:44

2 stops34h 19m

$2,579

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Thu 29/1

17:55-09:30

1 stop24h 05m

Adelaide

Mon 9/3

13:55-11:38

2 stops36h 13m

$2,588

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Wed 12/11

13:55-08:15

2 stops50h 50m

Adelaide

Wed 26/11

12:00-12:15

1 stop39h 45m

$2,605

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Wed 10/12

16:55-19:15

2 stops34h 50m

Adelaide

Wed 17/12

06:05-00:26

3 stops33h 51m

$2,617

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Thu 1/1

10:00-11:50

2 stops34h 20m

Adelaide

Sat 31/1

13:15-21:22

2 stops23h 37m

$2,636

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Mon 10/11

18:40-18:00

2 stops31h 50m

Adelaide

Thu 13/11

21:40-15:10

2 stops33h 00m

$2,657

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Wed 12/11

08:00-10:10

2 stops34h 40m

Adelaide

Wed 26/11

06:25-06:40

3 stops39h 45m

$2,689

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

18:00-12:10

2 stops27h 40m

Adelaide

Thu 30/4

20:00-19:41

2 stops37h 11m

$2,700

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Mon 1/12

17:55-13:55

2 stops28h 30m

Adelaide

Wed 31/12

06:10-08:59

2 stops42h 19m

$2,738

Flights are sorted by cheapest return flights first.

Deals found on 25/10

Showing 1-10 of 32 results
1
2
3
4

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 $1,599). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of $2,794). 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 27 October 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, Air New Zealand, and United Airlines fly from Region of Ontario to Adelaide in about 24h 05m. The time it takes to get you to your destination can typically vary by up to 11h 50m. 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 $1,599). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of $2,794). 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.