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$207+ Cheap flights from Ontario

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YYZ — SYD
24 Feb — 3 Mar1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Ontario

Discover essential information about flights departing from Ontario, including flight schedules, destinations, airlines operating at the Ontario airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 25 January 2026.

Good round-trip deal

$333 or less

Good one-way deal

$157 or less
Price to beat on a round-trip flight from Ontario.
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Price to beat on a one-way flight from Ontario.
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Find flights from Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Ontario
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 25 January 2026.

Mon 9/316:55
YYZ
-
SYD
2 stops28h 40m
Multiple Airlines
Mon 16/306:00
SYD
-
YYZ
2 stops33h 05m
Multiple Airlines
Deal found 23/1$1,438
Tue 24/210:00
YYZ
-
SYD
1 stop31h 00m
Multiple Airlines
Tue 3/307:05
SYD
-
YYZ
2 stops30h 20m
Multiple Airlines
Deal found 25/1$1,441
Mon 9/310:00
YYZ
-
MEL
1 stop32h 30m
Multiple Airlines
Mon 16/313:55
MEL
-
YYZ
2 stops46h 30m
Multiple Airlines
Deal found 23/1$1,577
Wed 25/210:00
YYZ
-
MEL
1 stop31h 30m
Multiple Airlines
Thu 12/313:55
MEL
-
YYZ
2 stops46h 30m
Multiple Airlines
Deal found 23/1$1,588
Wed 25/310:00
YYZ
-
SYD
2 stops35h 35m
Multiple Airlines
Fri 17/413:15
SYD
-
YYZ
3 stops30h 58m
Multiple Airlines
Deal found 23/1$1,649
Tue 10/310:00
YYZ
-
SYD
2 stops35h 35m
Multiple Airlines
Tue 17/314:00
SYD
-
YYZ
3 stops30h 59m
Multiple Airlines
Deal found 24/1$1,654
Mon 9/310:00
YYZ
-
SYD
2 stops35h 35m
Multiple Airlines
Tue 17/314:00
SYD
-
YYZ
2 stops31h 35m
Multiple Airlines
Deal found 23/1$1,665
Wed 8/410:00
YYZ
-
MEL
1 stop30h 45m
Multiple Airlines
Wed 22/413:25
MEL
-
YYZ
2 stops46h 17m
Multiple Airlines
Deal found 25/1$1,668
Tue 10/210:00
YYZ
-
SYD
1 stop29h 25m
Multiple Airlines
Tue 28/413:15
SYD
-
YYZ
2 stops46h 07m
Multiple Airlines
Deal found 22/1$1,671
Mon 23/210:00
YYZ
-
MEL
1 stop31h 30m
Multiple Airlines
Thu 12/313:55
MEL
-
YYZ
2 stops46h 30m
Multiple Airlines
Deal found 23/1$1,707
Wed 25/210:00
YYZ
-
MEL
1 stop31h 30m
Multiple Airlines
Wed 11/313:45
MEL
-
YYZ
2 stops46h 40m
Multiple Airlines
Deal found 23/1$1,712
Wed 25/210:00
YYZ
-
MEL
1 stop31h 30m
Multiple Airlines
Mon 9/313:55
MEL
-
YYZ
2 stops46h 30m
Multiple Airlines
Deal found 23/1$1,720

Find flights from Ontario within your budget

 
Find flights departing from Ontario that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 25 January 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Fri 6/2

19:45-04:45

1 stop23h 00m

Islamabad Intl

Sat 28/2

10:20-17:50

1 stop41h 30m

$1,770

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Wed 11/3

20:45-04:45

1 stop23h 00m

Islamabad Intl

Sun 15/3

06:15-18:50

1 stop21h 35m

$1,794

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Tue 24/2

10:00-12:15

2 stops34h 45m

Adelaide

Tue 3/3

06:15-21:25

3 stops30h 40m

$1,820

TorontoBrisbane

YYZ - BNE

YYZBNE

Toronto Pearson Intl

Tue 10/3

10:00-05:00

1 stop29h 00m

Brisbane

Wed 25/3

19:40-15:35

2 stops33h 55m

$1,835

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Sun 22/2

12:30-09:35

2 stops29h 05m

Sydney Kingsford Smith

Mon 9/3

11:20-18:10

2 stops45h 50m

$1,845

TorontoAdelaide

YYZ - ADL

YYZADL

Toronto Pearson Intl

Sat 11/4

12:30-11:35

2 stops33h 35m

Adelaide

Thu 30/4

12:35-14:35

3 stops39h 30m

$1,846

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

13:10-08:50

2 stops34h 40m

Islamabad Intl

Fri 24/4

03:00-01:51

2 stops31h 51m

$1,864

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Mon 9/3

10:25-08:35

2 stops31h 10m

Sydney Kingsford Smith

Fri 13/3

10:20-21:20

2 stops26h 00m

$1,893

TorontoMelbourne

YTZ - MEL

YTZMEL

Toronto Island

Wed 18/3

09:30-12:25

3 stops35h 55m

Melbourne

Fri 8/5

13:30-10:07

3 stops34h 37m

$1,920

MontrealIslamabad

YUL - ISB

YULISB

Montreal Pierre Elliott Trudeau Intl

Fri 6/2

20:30-07:25

2 stops24h 55m

Islamabad Intl

Sat 28/2

08:55-18:45

2 stops43h 50m

$1,951

Flights are sorted by cheapest return flights first.

Deals found on 22/1

Showing 1-10 of 60 results
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Best time to book a flight from Ontario

Have a flexible travel schedule? Discover the best time to fly 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.

Travel insights for flights from Ontario

Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Region of Ontario?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario (average of $314). Flying from Region of Ontario in November will prove the most costly (average of $1,322). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Region of Ontario?

When flying from Region of Ontario check dates and pricing for the following: Air Canada, Qantas Airways, United Airlines, Cathay Pacific. As they depart for the following popular destinations: Sydney.

Air Canada
Air Canada
From $207
United Airlines
United Airlines
From $393
Qantas Airways
Qantas Airways
From $1,266
Flair Airlines
Flair Airlines
From $147

What is the cheapest place to fly to from Region of Ontario?

The cheapest city to fly to from Region of Ontario is Calgary, with prices starting at $116. Explore other affordable destinations below.

Calgary
Calgary
From $116
Vancouver Intl
Vancouver Intl
From $120
Saskatoon
Saskatoon
From $120
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $167

Browse thousands of different options on Cheapflights for your next trip

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Direct flights from Canada

Book a direct flight from one of these other cities located in Canada.
Direct flights from Ottawa
Direct flights from Windsor

Related info for your journey

Access useful and relevant information related to your journey from Ontario. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 25 January 2026.

  • What is the cheapest month to fly from Region of Ontario?

    Currently, the cheapest month for flights from Region of Ontario is September. The most expensive month for flights is November. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Region of Ontario?

    View the cheapest flight destinations from Region of Ontario:
    Fly from Toronto to Sydney from $1,380 round trip
    Fly from Toronto to Melbourne from $1,488 round trip

  • How does Cheapflights help users find flights from Ontario?

    When you search for this flight from Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Ontario.

  • Can Cheapflights find flights from Ontario with no change fees?

    Need flexible booking options for your flight 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 become cheaper?

    Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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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?

When you search for this flight from Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Ontario.

Can Cheapflights find flights from Ontario with no change fees?

Need flexible booking options for your flight 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 become cheaper?

Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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