Find flights
When to book
FAQs

Cheap flights from Ontario to Adelaide from C$ 1,041

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ADL
11 Jan — 18 Jan1
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 12 December 2025.

Wed 17/127:30 a.m.YUL - ADL
2 stops35h 55mMultiple Airlines
Wed 21/16:10 a.m.ADL - YUL
2 stops26h 20mMultiple Airlines
Deal found 10/12C$ 3,543
Mon 15/125:50 p.m.YUL - ADL
1 stop24h 10mUnited Airlines
Mon 19/12:55 p.m.ADL - YUL
2 stops56h 20mUnited Airlines
Deal found 10/12C$ 3,728
Sat 13/126:00 p.m.YUL - ADL
2 stops72h 00mUnited Airlines
Wed 31/122:55 p.m.ADL - YUL
3 stops36h 37mUnited Airlines
Deal found 10/12C$ 3,729
Sat 13/126:50 p.m.YYZ - ADL
2 stops71h 10mUnited Airlines
Tue 30/127:15 a.m.ADL - YYZ
2 stops30h 43mUnited Airlines
Deal found 11/12C$ 3,735
Wed 17/125:50 p.m.YUL - ADL
2 stops27h 40mUnited Airlines
Wed 21/12:55 p.m.ADL - YUL
1 stop41h 24mUnited Airlines
Deal found 11/12C$ 3,757
Tue 16/126:00 p.m.YUL - ADL
2 stops72h 00mUnited Airlines
Wed 21/12:55 p.m.ADL - YUL
2 stops34h 55mUnited Airlines
Deal found 10/12C$ 3,777
Mon 15/125:50 p.m.YUL - ADL
1 stop24h 10mUnited Airlines
Thu 15/17:15 a.m.ADL - YUL
2 stops49h 04mUnited Airlines
Deal found 10/12C$ 3,787
Sat 13/122:00 p.m.YYZ - ADL
2 stops29h 25mAmerican Airlines
Tue 30/126:25 a.m.ADL - YYZ
2 stops31h 49mAmerican Airlines
Deal found 11/12C$ 4,126
Sat 13/124:55 p.m.YYZ - ADL
3 stops31h 20mMultiple Airlines
Tue 30/1212:35 p.m.ADL - YYZ
3 stops33h 42mMultiple Airlines
Deal found 11/12C$ 4,624
Sat 13/127:05 a.m.YYZ - ADL
3 stops37h 15mQantas Airways
Tue 30/129:00 a.m.ADL - YYZ
2 stops29h 14mQantas Airways
Deal found 11/12C$ 4,627
Sat 13/127:10 a.m.YTZ - ADL
2 stops46h 10mEmirates
Tue 30/1210:40 p.m.ADL - YTZ
2 stops55h 45mEmirates
Deal found 11/12C$ 5,985
Sat 13/128:00 a.m.YYZ - ADL
3 stops40h 15mAir New Zealand
Tue 30/126:30 p.m.ADL - YYZ
3 stops43h 37mAir New Zealand
Deal found 11/12C$ 7,610

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 12 December 2025.

Round-trip from

C$ 1,469

One-way from

C$ 1,041

Popular in

December

Cheapest in

September

Average price

C$ 3,039
United Airlines
  • United Airlines
  • 19/1-2/3
  • 2 total stops
  • 56h 10m total
  • Ontario to Adelaide
Search Deals
26/1
  • 26/1
  • 3 total stops
  • 49h 40m total
  • Ontario to Adelaide
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 290 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 12 December 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

Mon 2/2

3:30 p.m.-9:30 a.m.

2 stops26h 30m

Adelaide

Mon 2/3

2:55 p.m.-11:59 p.m.

2 stops24h 34m

C$ 1,469

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Mon 19/1

12:45 p.m.-9:30 a.m.

2 stops29h 15m

Adelaide

Wed 4/3

2:55 p.m.-4:52 p.m.

1 stop41h 27m

C$ 1,469

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 24/1

5:55 p.m.-9:30 a.m.

1 stop24h 05m

Adelaide

Mon 16/3

1:55 p.m.-7:30 a.m.

1 stop32h 05m

C$ 1,536

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Fri 23/1

7:40 p.m.-9:30 a.m.

2 stops46h 20m

Adelaide

Mon 2/3

2:55 p.m.-7:30 a.m.

1 stop32h 05m

C$ 1,538

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 24/1

5:55 p.m.-9:30 a.m.

1 stop24h 05m

Adelaide

Mon 2/3

2:55 p.m.-7:30 a.m.

1 stop32h 05m

C$ 1,538

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Mon 19/1

4:10 p.m.-9:30 a.m.

2 stops25h 50m

Adelaide

Sat 7/3

2:55 p.m.-10:48 a.m.

2 stops35h 23m

C$ 1,538

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 31/1

5:55 p.m.-9:30 a.m.

1 stop24h 05m

Adelaide

Mon 2/3

2:55 p.m.-7:30 a.m.

1 stop32h 05m

C$ 1,538

OttawaAdelaide

YOW - ADL

YOWADL

Ottawa

Sat 24/1

2:15 p.m.-9:30 a.m.

2 stops27h 45m

Adelaide

Sat 31/1

2:55 p.m.-9:18 p.m.

2 stops45h 53m

C$ 1,604

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Thu 5/3

8:20 p.m.-10:30 p.m.

2 stops34h 40m

Adelaide

Mon 9/3

7:55 p.m.-1:05 p.m.

2 stops55h 40m

C$ 1,674

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sun 1/2

5:14 p.m.-9:55 a.m.

2 stops49h 11m

Adelaide

Tue 3/3

7:00 p.m.-5:41 p.m.

2 stops62h 11m

C$ 1,703

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 47 results
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 round-trip 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 C$ 1,437). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of C$ 2,511). 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 December 2025.

It’s optimal to fly from Region of Ontario to Adelaide in the morning. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at noon.

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 United Airlines and Air Canada fly from Region of Ontario to Adelaide in about 26h 30m. The time it takes to get you to your destination can typically vary by up to 21h 45m. The distance from Region of Ontario to Adelaide is about 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 Montreal Pierre Elliott Trudeau Intl - Adelaide. You may also consider Toronto Pearson 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 vacation 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 C$ 1,437). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of C$ 2,511). 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

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.

Other flights to Adelaide

Explore flights to Adelaide departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Adelaide to Melbourne Airport flights

Top 5 airlines flying from Ontario to Adelaide

Discover the top 5 airlines that operate flights from Ontario to Adelaide. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,438AverageC$ 2,237FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapestC$ 1,471AverageC$ 2,416FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapestC$ 1,827AverageC$ 2,541FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapestC$ 1,883AverageC$ 2,220FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qatar AirwaysCheapestC$ 2,578AverageC$ 3,085FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

Cheapflights helps you find that perfect flight to Adelaide from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Adelaide with no change fees?

Certainly. Search results for flights to Adelaide from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Adelaide become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to Adelaide on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.