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Cheap flights from Ottawa to Australia from $961

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SYD
16 Sep — 23 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 17 August 2026.

Fri 25/906:55 -
2 stops60h 20m
Sat 10/1008:35 -
2 stops33h 08m
Deal found 14/8$1,752
Tue 3/1107:45 -
2 stops44h 30m
Tue 17/1112:25 -
2 stops28h 31m
Deal found 14/8$1,799
Thu 1/1006:55 -
2 stops46h 15m
Sat 17/1021:45 -
2 stops42h 08m
Deal found 14/8$1,860
Tue 3/1107:45 -
2 stops44h 30m
Sun 15/1112:25 -
2 stops65h 44m
Deal found 14/8$1,865
Mon 28/907:20 -
3 stops39h 05m
Mon 5/1014:20 -
3 stops30h 15m
Deal found 14/8$1,875
Sat 31/1007:45 -
2 stops45h 30m
Fri 13/1112:25 -
2 stops28h 31m
Deal found 16/8$1,885
Fri 25/906:25 -
2 stops46h 45m
Tue 27/1021:45 -
2 stops42h 11m
Deal found 14/8$1,886
Fri 25/906:25 -
2 stops46h 45m
Sun 25/1021:45 -
2 stops42h 11m
Deal found 12/8$1,905
Sat 7/1107:45 -
2 stops44h 30m
Sat 14/1112:25 -
2 stops28h 31m
Deal found 12/8$1,920
Sun 27/905:00 -
2 stops48h 10m
Sun 4/1012:45 -
2 stops27h 08m
Deal found 13/8$1,926
Fri 13/1105:40 -
2 stops61h 35m
Tue 24/1111:35 -
2 stops43h 24m
Deal found 16/8$2,021
Sun 8/1117:40 -
2 stops28h 55m
Wed 18/1108:00 -
2 stops32h 56m
Deal found 16/8$2,063

Find flight deals from Ottawa to Australia

Keep the following information in mind while searching for Ottawa to Australia flight deals. Data was last updated 17 August 2026.

Round-trip from

$1,752

One-way from

$961

Popular in

July

Cheapest in

May

Average price

$2,328
25/9-10/10
  • 25/9-10/10
  • 4 total stops
  • 93h 28m total
  • Ottawa to Australia
Search Deals
9/9
  • 9/9
  • 3 total stops
  • 48h 10m total
  • Ottawa to Australia
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($130 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($83 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 17 August 2026.
Use the filters below to find and compare flights from Ottawa to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

OttawaPerth

YOW Ottawa - PER Perth

YOWPER

Ottawa

Fri 25/9

06:55-07:15

2 stops60h 20m

Perth

Sat 10/10

08:35-05:43

2 stops33h 08m

$1,752

OttawaMelbourne

YOW Ottawa - MEL Melbourne

YOWMEL

Ottawa

Tue 12/1

17:40-17:50

2 stops32h 10m

Melbourne

Tue 16/2

23:40-22:32

2 stops38h 52m

$2,272

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Thu 24/9

10:37-09:25

2 stops32h 48m

Sydney Kingsford Smith

Sat 24/10

12:45-00:53

2 stops27h 08m

$2,341

OttawaBrisbane

YOW Ottawa - BNE Brisbane

YOWBNE

Ottawa

Wed 3/2

05:40-05:50

3 stops33h 10m

Brisbane

Wed 3/3

16:15-00:54

2 stops23h 39m

$2,365

OttawaMelbourne

YOW Ottawa - MEL Melbourne

YOWMEL

Ottawa

Mon 28/9

06:55-05:00

2 stops32h 05m

Melbourne

Mon 5/10

17:25-05:43

2 stops27h 18m

$2,437

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Sat 7/11

10:05-08:35

3 stops30h 30m

Sydney Kingsford Smith

Sat 14/11

11:50-01:40

3 stops29h 50m

$2,479

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Sat 31/10

05:30-06:25

3 stops33h 55m

Sydney Kingsford Smith

Fri 13/11

11:15-23:59

2 stops28h 44m

$2,489

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Fri 18/9

07:20-07:30

2 stops34h 10m

Sydney Kingsford Smith

Tue 22/9

21:25-11:15

2 stops27h 50m

$2,489

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Sun 27/9

07:20-07:30

2 stops34h 10m

Sydney Kingsford Smith

Sun 4/10

18:50-05:35

2 stops25h 45m

$2,520

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Mon 11/1

17:40-16:10

2 stops30h 30m

Sydney Kingsford Smith

Mon 25/1

11:20-09:40

2 stops38h 20m

$2,524

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 52 resultsSorted by cheapest first
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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 $2,140). Flying from Ottawa to Australia in July is currently the most expensive (average of $3,106). 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.

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

Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to Australia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 32h 48m. ANA provides one of the quickest options available for as low as $2,341. 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 most popular routes from Ottawa to Australia?

    While some choose either Ottawa - Sydney Kingsford Smith or Ottawa - Melbourne, Ottawa - Brisbane 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 $2,140). Flying from Ottawa to Australia in July is currently the most expensive (average of $3,106). 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

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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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