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Cheap flights from Ottawa to Sydney from $1,005

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SYD
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Ottawa to Sydney Kingsford Smith are usually found in April or May, booked 56 days in advance, depart on a Monday or Wednesday and return on a Sunday

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Cheapest flights from Ottawa to Sydney
Explore the most affordable flight options available from Ottawa to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Sat 6/1217:50YOW - SYD
1 stop23h 45mAir Canada
Sat 13/1211:20SYD - YOW
1 stop35h 23mAir Canada
Deal found 5/11$1,991
Tue 2/1207:45YOW - SYD
1 stop31h 10mAir Canada
Tue 9/1211:20SYD - YOW
1 stop20h 25mAir Canada
Deal found 6/11$2,039
Thu 4/1207:45YOW - SYD
1 stop31h 10mAir Canada
Thu 11/1211:20SYD - YOW
1 stop20h 25mAir Canada
Deal found 6/11$2,082
Wed 26/1117:25YOW - SYD
2 stops48h 10mAir Canada
Wed 3/1211:20SYD - YOW
2 stops27h 05mAir Canada
Deal found 6/11$2,167
Thu 27/1107:45YOW - SYD
1 stop33h 50mAir Canada
Wed 18/310:20SYD - YOW
1 stop20h 25mAir Canada
Deal found 7/11$2,216
Sun 23/1114:50YOW - SYD
2 stops26h 45mAir Canada
Sun 7/1211:20SYD - YOW
1 stop20h 25mAir Canada
Deal found 7/11$2,218

Cheap flight deals from Ottawa to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 November 2025.

Round-trip from

$1,991

One-way from

$1,005

Popular in

December

Cheapest in

April

Average price

$2,453
Air Canada
  • Air Canada
  • 6/12-13/12
  • 2 total stops
  • 59h 08m total
  • Ottawa to Sydney
Search Deals
4/12
  • 4/12
  • 3 total stops
  • 56h 25m total
  • Ottawa to Sydney
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 ($53 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ottawa to Sydney 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 November 2025.
Use the filters below to find and compare flights from Ottawa to Sydney that are best for you.

Fly from

Ottawa

Fly to

Sydney

Route

Depart

Return

Price

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Thu 4/12

10:50-09:35

3 stops30h 45m

Sydney Kingsford Smith

Thu 11/12

16:00-09:40

2 stops33h 40m

$2,091

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 17/1

19:27-06:20

2 stops42h 53m

Sydney Kingsford Smith

Tue 17/3

10:20-18:42

2 stops23h 22m

$2,356

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 23/3

15:11-09:15

2 stops27h 04m

Sydney Kingsford Smith

Mon 27/4

10:20-21:14

3 stops24h 54m

$2,356

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 18/1

06:20-06:20

2 stops32h 00m

Sydney Kingsford Smith

Sun 15/3

11:50-21:18

2 stops24h 28m

$2,356

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 18/1

06:20-09:05

2 stops34h 45m

Sydney Kingsford Smith

Mon 16/2

12:10-21:56

2 stops25h 46m

$2,356

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 18/1

06:20-07:00

2 stops32h 40m

Sydney Kingsford Smith

Tue 17/3

10:20-18:42

2 stops23h 22m

$2,356

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 16/2

15:15-09:15

2 stops26h 00m

Sydney Kingsford Smith

Mon 9/3

12:10-23:43

2 stops26h 33m

$2,356

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Tue 20/1

09:45-09:15

2 stops31h 30m

Sydney Kingsford Smith

Mon 16/3

12:10-23:43

2 stops26h 33m

$2,356

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 18/1

06:20-06:20

2 stops32h 00m

Sydney Kingsford Smith

Wed 18/3

10:20-18:42

2 stops23h 22m

$2,356

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 14/1

06:20-06:20

2 stops32h 00m

Sydney Kingsford Smith

Sun 15/3

11:50-21:18

2 stops24h 28m

$2,356

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 20 results
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Best time to book a flight from Ottawa to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Ottawa 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 Ottawa to Sydney

How far ahead should I book a flight from Ottawa to Sydney?

Use this chart to determine the optimal time to book a return flight from Ottawa to Sydney. Price data was last updated on 31 October 2025.

To ensure you get the cheapest price possible for a flight from Ottawa to Sydney, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Ottawa to Sydney?

Currently, July is the cheapest month in which you can book a flight from Ottawa to Sydney (average of $425). Flying from Ottawa to Sydney in January is currently the most expensive (average of $2,033). 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 Ottawa to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ottawa to Sydney?

    Air Canada and United Airlines can get you from Ottawa to Sydney in just under 30h 45m. Your travel time can differ by up to 12h 08m. Airlines will cover a distance of 15862 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Ottawa to Sydney that include hotel bookings?

    Yes. In addition to deals on Ottawa to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Sydney.

  • Can I find deals for business class flights from Ottawa to Sydney?

    Yes. Cheapflights offers flight deals from Ottawa to Sydney 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 Ottawa to Sydney?

    Currently, July is the cheapest month in which you can book a flight from Ottawa to Sydney (average of $425). Flying from Ottawa to Sydney in January is currently the most expensive (average of $2,033). 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 Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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How does Cheapflights help users find flights from Ottawa to Sydney?

Deals for Ottawa to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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

Can Cheapflights find flights from Ottawa to Sydney with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa to Sydney, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ottawa to Sydney become cheaper?

Yes! Start tracking prices for Ottawa to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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