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Cheap flights from Ottawa to Australia from $921

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SYD
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Australia

Keep the following information in mind while searching for Ottawa to Australia flight deals. Data was last updated 20 November 2025.

Round-trip from

$1,953

One-way from

$921

Popular in

December

Cheapest in

April

Average price

$2,459
16/2-19/2
  • 16/2-19/2
  • 6 total stops
  • 65h 33m total
  • Ottawa to Australia
Search Deals
5/3
  • 5/3
  • 3 total stops
  • 47h 20m total
  • Ottawa to Australia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($337 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($63 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Ottawa to Australia

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Australia
Explore the most affordable flight options available from Ottawa to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 November 2025.

Fri 5/1207:45YOW - SYD
1 stop33h 50mAir Canada
Wed 24/1211:20SYD - YOW
1 stop35h 23mAir Canada
Deal found 19/11$1,996
Fri 5/1217:50YOW - MEL
2 stops34h 15mMultiple Airlines
Sat 17/121:05MEL - YOW
2 stops34h 40mMultiple Airlines
Deal found 18/11$2,039
Fri 5/1217:50YOW - SYD
1 stop23h 45mAir Canada
Sun 14/1211:20SYD - YOW
2 stops30h 18mAir Canada
Deal found 19/11$2,121
Sun 23/1117:50YOW - SYD
1 stop23h 45mAir Canada
Sun 7/1211:20SYD - YOW
1 stop35h 23mAir Canada
Deal found 19/11$2,235
Thu 27/1114:50YOW - SYD
2 stops26h 45mAir Canada
Wed 18/310:20SYD - YOW
1 stop20h 25mAir Canada
Deal found 17/11$2,238
Wed 19/1117:25YOW - BNE
2 stops24h 20mAir Canada
Wed 3/1210:45BNE - YOW
2 stops26h 40mAir Canada
Deal found 17/11$2,269
Fri 5/1214:17YOW - MEL
2 stops27h 43mAir Canada
Sat 17/111:30MEL - YOW
2 stops25h 48mAir Canada
Deal found 18/11$2,507
Tue 9/1207:45YOW - MEL
2 stops33h 40mAir New Zealand
Thu 15/118:50MEL - YOW
2 stops51h 53mAir New Zealand
Deal found 18/11$2,773
Wed 10/1207:45YOW - MEL
2 stops33h 40mAir New Zealand
Tue 13/112:10MEL - YOW
2 stops34h 33mAir New Zealand
Deal found 18/11$2,804
Mon 8/1211:10YOW - MEL
2 stops30h 20mUnited Airlines
Sun 11/111:30MEL - YOW
2 stops26h 26mUnited Airlines
Deal found 18/11$2,806
Wed 19/1115:10YOW - BNE
2 stops25h 20mUnited Airlines
Wed 3/1211:40BNE - YOW
3 stops24h 38mUnited Airlines
Deal found 17/11$2,835
Thu 11/1211:10YOW - MEL
2 stops30h 20mUnited Airlines
Tue 13/113:00MEL - YOW
2 stops26h 54mUnited Airlines
Deal found 18/11$2,860

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ottawa to Australia 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 20 November 2025.
Use the filters below to find and compare flights from Ottawa to Australia that are best for you.

Fly from

Ottawa

Fly to

Australia

Route

Depart

Return

Price

OttawaMelbourne

YOW - MEL

YOWMEL

Ottawa

Fri 5/12

12:05-17:20

3 stops37h 15m

Melbourne

Sat 17/1

21:05-15:45

2 stops34h 40m

$2,047

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 13/4

07:00-07:20

3 stops34h 20m

Sydney Kingsford Smith

Mon 25/5

13:15-08:44

3 stops33h 29m

$2,058

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 23/3

05:40-06:35

2 stops33h 55m

Sydney Kingsford Smith

Mon 27/4

17:50-00:40

2 stops44h 50m

$2,152

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 23/3

06:00-06:35

2 stops33h 35m

Sydney Kingsford Smith

Tue 7/4

17:50-00:40

2 stops44h 50m

$2,163

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 23/3

06:00-06:35

2 stops33h 35m

Sydney Kingsford Smith

Wed 1/4

13:00-00:40

2 stops50h 40m

$2,189

OttawaMelbourne

YOW - MEL

YOWMEL

Ottawa

Mon 2/2

12:00-12:45

3 stops32h 45m

Melbourne

Fri 13/2

13:10-09:23

3 stops36h 13m

$2,226

OttawaBrisbane

YOW - BNE

YOWBNE

Ottawa

Mon 4/5

11:55-11:05

2 stops33h 10m

Brisbane

Sat 30/5

12:35-08:19

2 stops33h 44m

$2,263

OttawaMelbourne

YOW - MEL

YOWMEL

Ottawa

Tue 31/3

06:00-13:00

3 stops40h 00m

Melbourne

Tue 21/4

13:25-00:39

3 stops49h 14m

$2,345

OttawaMelbourne

YOW - MEL

YOWMEL

Ottawa

Sun 11/1

17:11-10:00

2 stops48h 49m

Melbourne

Sun 25/1

13:00-21:18

2 stops24h 18m

$2,366

OttawaMelbourne

YOW - MEL

YOWMEL

Ottawa

Tue 24/3

14:15-08:30

2 stops27h 15m

Melbourne

Mon 6/4

10:55-13:45

2 stops40h 50m

$2,368

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 58 results
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Best time to book a flight from Ottawa to Australia

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

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

Currently, May is the cheapest month in which you can book a flight from Ottawa to Australia (average of $404). Flying from Ottawa to Australia in June is currently the most expensive (average of $1,913). 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 YOW to AU?

Find hourly flight availability from Ottawa to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 November 2025.

When flying from Ottawa to Australia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 18% versus a flight at midday.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Australia. 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 from for flights from Ottawa to Australia?

    Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly out of when you book flights from Ottawa to Australia.

  • How long is the flight from Ottawa to Australia?

    A quick flight from Ottawa to Australia can take about 33h 35m. Qantas Airways provides one of the quickest options available for as low as $2,163. Airlines will cover a distance of 15862 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Ottawa to Australia one-way?

    $1,249 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Air New Zealand and United Airlines, with prices starting from $1,374 and $2,124, respectively.

  • What are the most popular routes from Ottawa to Australia?

    While some choose either Ottawa - Melbourne or Ottawa - Brisbane, Ottawa - Sydney Kingsford Smith is the most popular route from Ottawa to Australia.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Ottawa to Australia (average of $404). Flying from Ottawa to Australia in June is currently the most expensive (average of $1,913). 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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Alternative routes for Ottawa to Australia

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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 Ottawa to Australia?

Cheapflights makes it easy to find Ottawa to Australia 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 Ottawa to Australia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ottawa to Australia.

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

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

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

Yes, Cheapflights offers price alerts on Ottawa to Australia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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