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Cheap flights from Ottawa to Sydney from $792

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SYD
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Sydney

Enter your travel dates to find the best prices.

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 24 March 2026.

Tue 5/507:20
YOW
-
SYD
3 stops38h 30m
Multiple Airlines
Tue 12/513:15
SYD
-
YOW
3 stops30h 20m
Multiple Airlines
Deal found 21/3$1,584
Sun 16/814:48
YOW
-
SYD
2 stops26h 12m
United Airlines
Mon 31/809:30
SYD
-
YOW
2 stops42h 29m
United Airlines
Deal found 22/3$1,931
Sun 12/406:00
YOW
-
SYD
3 stops35h 00m
United Airlines
Tue 26/510:20
SYD
-
YOW
2 stops27h 34m
United Airlines
Deal found 21/3$1,939
Sat 16/519:30
YOW
-
SYD
2 stops45h 30m
United Airlines
Sun 31/510:20
SYD
-
YOW
2 stops37h 43m
United Airlines
Deal found 22/3$1,940
Sun 5/410:44
YOW
-
SYD
2 stops30h 11m
United Airlines
Tue 21/409:30
SYD
-
YOW
2 stops28h 24m
United Airlines
Deal found 19/3$1,944
Fri 10/406:25
YOW
-
SYD
2 stops34h 35m
United Airlines
Mon 25/509:30
SYD
-
YOW
2 stops26h 05m
United Airlines
Deal found 21/3$1,976
Thu 14/510:44
YOW
-
SYD
2 stops30h 16m
United Airlines
Sun 31/509:30
SYD
-
YOW
2 stops26h 05m
United Airlines
Deal found 22/3$1,977
Sat 4/417:25
YOW
-
SYD
2 stops47h 30m
United Airlines
Sat 25/409:30
SYD
-
YOW
2 stops26h 05m
United Airlines
Deal found 19/3$1,979

Find 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 24 March 2026.

Round-trip from

$1,584

One-way from

$792

Popular in

December

Cheapest in

November

Average price

$2,366
5/5-12/5
  • 5/5-12/5
  • 6 total stops
  • 68h 50m total
  • Ottawa to Sydney
Search Deals
20/4
  • 20/4
  • 3 total stops
  • 30h 05m total
  • Ottawa to Sydney
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($52 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 24 March 2026.
Use the filters below to find and compare flights from Ottawa to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 16/8

14:48-07:00

2 stops26h 12m

Sydney Kingsford Smith

Mon 31/8

09:30-13:59

2 stops42h 29m

$1,931

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 13/4

06:00-07:00

3 stops35h 00m

Sydney Kingsford Smith

Wed 27/5

10:20-18:48

2 stops22h 28m

$1,939

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 5/4

10:44-06:55

2 stops30h 11m

Sydney Kingsford Smith

Tue 21/4

09:30-23:54

2 stops28h 24m

$1,944

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Tue 19/5

10:00-06:55

2 stops30h 55m

Sydney Kingsford Smith

Sat 23/5

10:20-18:48

2 stops22h 28m

$1,976

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 3/6

14:52-06:55

2 stops26h 03m

Sydney Kingsford Smith

Sat 6/6

10:20-23:54

2 stops27h 34m

$1,976
Fastest return journey

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Fri 24/4

14:40-07:00

2 stops26h 20m

Sydney Kingsford Smith

Wed 3/6

09:30-18:48

2 stops23h 18m

$1,976

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 14/9

10:37-06:55

2 stops30h 18m

Sydney Kingsford Smith

Fri 9/10

10:30-23:50

2 stops28h 20m

$1,976

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 4/4

19:30-07:00

2 stops45h 30m

Sydney Kingsford Smith

Sat 25/4

09:30-23:54

2 stops28h 24m

$1,976
Cheapest one-way
Fastest single journey

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 20/4

16:00-12:05

3 stops30h 05m

$792

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Tue 5/5

07:00-11:50

3 stops38h 50m

$888

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 13 March 2026.

To ensure you get the cheapest price possible for a flight from Ottawa to Sydney, you should look to book at least 66 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, May is the cheapest month in which you can book a flight from Ottawa to Sydney (average of $420). Flying from Ottawa to Sydney in November is currently the most expensive (average of $1,781). 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?

    United Airlines can get you from Ottawa to Sydney in just under 26h 12m. Your travel time can differ by up to . Airlines will cover a distance of 15862 km.

  • 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, May is the cheapest month in which you can book a flight from Ottawa to Sydney (average of $420). Flying from Ottawa to Sydney in November is currently the most expensive (average of $1,781). 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
Penrith
Terrigal
Lithgow
Katoomba
Manly
Bondi Beach
Coogee
Cronulla
Leura
Randwick

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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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