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Cheap flights from Ontario to Adelaide from C$ 1,002

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ADL
1 Jan — 8 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 2 December 2025.

Thu 4/126:20 p.m.YUL - ADL
2 stops32h 20mMultiple Airlines
Thu 15/16:10 a.m.ADL - YUL
2 stops30h 20mMultiple Airlines
Deal found 30/11C$ 2,062
Thu 4/123:50 p.m.YUL - ADL
3 stops50h 05mQantas Airways
Thu 15/15:10 p.m.ADL - YUL
3 stops53h 25mQantas Airways
Deal found 1/12C$ 2,648
Mon 15/126:20 p.m.YUL - ADL
2 stops36h 25mMultiple Airlines
Thu 15/17:45 p.m.ADL - YUL
2 stops39h 10mMultiple Airlines
Deal found 1/12C$ 3,322
Tue 16/122:29 p.m.YUL - ADL
3 stops31h 46mMultiple Airlines
Wed 21/12:30 p.m.ADL - YUL
3 stops32h 05mMultiple Airlines
Deal found 30/11C$ 3,339
Mon 15/123:50 p.m.YUL - ADL
3 stops51h 35mQantas Airways
Mon 19/14:10 p.m.ADL - YUL
3 stops38h 28mQantas Airways
Deal found 1/12C$ 3,431
Wed 17/127:30 a.m.YUL - ADL
2 stops43h 50mMultiple Airlines
Wed 21/16:00 a.m.ADL - YUL
2 stops28h 55mMultiple Airlines
Deal found 30/11C$ 3,439
Sun 30/1112:35 a.m.YYZ - ADL
1 stop42h 25mCathay Pacific
Mon 8/127:00 p.m.ADL - YYZ
2 stops32h 45mCathay Pacific
Deal found 30/11C$ 7,490
Mon 1/125:55 p.m.YYZ - ADL
2 stops32h 45mMultiple Airlines
Mon 8/1211:40 a.m.ADL - YYZ
2 stops24h 49mMultiple Airlines
Deal found 1/12C$ 7,779
Mon 1/125:55 p.m.YYZ - ADL
2 stops28h 30mAir Canada
Mon 8/127:55 p.m.ADL - YYZ
1 stop36h 34mAir Canada
Deal found 1/12C$ 11,874
Mon 1/121:55 p.m.YYZ - ADL
1 stop39h 25mEmirates
Mon 8/1210:40 p.m.ADL - YYZ
1 stop49h 40mEmirates
Deal found 1/12C$ 15,757

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 2 December 2025.

Round-trip from

C$ 1,451

One-way from

C$ 1,002

Popular in

December

Cheapest in

October

Average price

C$ 3,304
Air Canada
  • Air Canada
  • 31/1-16/3
  • 4 total stops
  • 101h 50m total
  • Ontario to Adelaide
Search Deals
15/1
  • 15/1
  • 2 total stops
  • 33h 25m total
  • Ontario to Adelaide
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 391 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 99 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 2 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

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

2:13 p.m.-9:30 a.m.

2 stops27h 47m

Adelaide

Mon 2/3

2:55 p.m.-3:16 p.m.

2 stops39h 51m

C$ 1,478

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

6:00 a.m.-9:30 a.m.

2 stops36h 00m

Adelaide

Mon 2/2

2:55 p.m.-2:00 p.m.

2 stops38h 35m

C$ 1,478

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Wed 25/2

4:40 p.m.-10:30 p.m.

2 stops38h 20m

Adelaide

Wed 8/4

6:55 p.m.-8:58 p.m.

2 stops39h 33m

C$ 1,525

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Sat 17/1

2:13 p.m.-9:30 a.m.

2 stops27h 47m

Adelaide

Mon 26/1

2:55 p.m.-3:16 p.m.

2 stops39h 51m

C$ 1,544

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Fri 30/1

9:00 p.m.-9:30 a.m.

2 stops45h 00m

Adelaide

Mon 16/3

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

1 stop32h 05m

C$ 1,545

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 31/1

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$ 1,545

OttawaAdelaide

YOW - ADL

YOWADL

Ottawa

Sat 23/5

9:55 p.m.-11:10 a.m.

2 stops47h 45m

Adelaide

Wed 27/5

6:55 p.m.-8:19 a.m.

2 stops50h 54m

C$ 1,563

OttawaAdelaide

YOW - ADL

YOWADL

Ottawa

Thu 7/5

9:55 p.m.-3:55 p.m.

2 stops52h 30m

Adelaide

Mon 11/5

6:55 p.m.-8:19 a.m.

2 stops50h 54m

C$ 1,611

MontrealAdelaide

YUL - ADL

YULADL

Montreal Pierre Elliott Trudeau Intl

Thu 14/5

6:00 p.m.-3:55 p.m.

2 stops32h 25m

Adelaide

Mon 18/5

6:55 p.m.-12:34 a.m.

2 stops43h 09m

C$ 1,615

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sun 15/2

6:45 p.m.-10:30 p.m.

2 stops36h 15m

Adelaide

Thu 19/2

6:00 a.m.-6:29 a.m.

2 stops39h 59m

C$ 1,616

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/11

Showing 1-10 of 46 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 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$ 1,457). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of C$ 2,546). 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 2 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 27h 47m. The time it takes to get you to your destination can typically vary by up to 10h 33m. The distance from Region of Ontario to Adelaide is about 17048 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$ 1,457). Flying from Region of Ontario to Adelaide in July is currently the most expensive (average of C$ 2,546). 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

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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 2 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 2 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,457AverageC$ 2,309FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapestC$ 1,492AverageC$ 2,449FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapestC$ 1,852AverageC$ 2,577FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapestC$ 1,909AverageC$ 2,251FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qatar AirwaysCheapestC$ 2,613AverageC$ 3,127FlexibilityNo 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.

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