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Cheap flights from Ottawa to Australia from $804

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SYD
21 Mar — 28 Mar1
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 19 February 2026.

Fri 24/406:00
YOW
-
BNE
3 stops38h 35m
Multiple Airlines
Sat 9/511:55
BNE
-
YOW
3 stops31h 45m
Multiple Airlines
Deal found 18/2$1,744
Mon 19/1007:20
YOW
-
BNE
3 stops37h 15m
Multiple Airlines
Tue 10/1111:25
BNE
-
YOW
3 stops52h 20m
Multiple Airlines
Deal found 16/2$1,868
Fri 10/406:00
YOW
-
BNE
3 stops38h 35m
Multiple Airlines
Fri 24/411:35
BNE
-
YOW
3 stops51h 05m
Multiple Airlines
Deal found 16/2$1,935
Tue 13/1007:20
YOW
-
BNE
3 stops37h 20m
Multiple Airlines
Tue 3/1111:25
BNE
-
YOW
3 stops44h 25m
Multiple Airlines
Deal found 19/2$1,949
Sat 7/319:30
YOW
-
MEL
2 stops45h 00m
United Airlines
Wed 11/312:00
MEL
-
YOW
2 stops24h 18m
United Airlines
Deal found 18/2$1,976
Tue 10/309:45
YOW
-
BNE
2 stops30h 45m
United Airlines
Tue 24/310:40
BNE
-
YOW
2 stops24h 38m
United Airlines
Deal found 19/2$1,983
Sat 7/319:30
YOW
-
SYD
2 stops43h 30m
United Airlines
Wed 11/311:50
SYD
-
YOW
2 stops25h 06m
United Airlines
Deal found 18/2$1,986
Fri 3/406:00
YOW
-
SYD
2 stops58h 35m
Qantas Airways
Fri 10/417:50
SYD
-
YOW
2 stops44h 50m
Qantas Airways
Deal found 16/2$1,989
Sun 7/607:20
YOW
-
SYD
2 stops33h 45m
Multiple Airlines
Sun 28/609:10
SYD
-
YOW
2 stops34h 30m
Multiple Airlines
Deal found 15/2$2,013
Sat 4/406:00
YOW
-
SYD
2 stops34h 35m
Multiple Airlines
Sat 25/417:50
SYD
-
YOW
2 stops35h 35m
Multiple Airlines
Deal found 17/2$2,017
Mon 20/406:00
YOW
-
SYD
2 stops34h 35m
Multiple Airlines
Sat 25/409:10
SYD
-
YOW
2 stops29h 30m
Multiple Airlines
Deal found 18/2$2,020
Sat 13/619:30
YOW
-
MEL
2 stops70h 00m
United Airlines
Thu 2/710:55
MEL
-
YOW
2 stops36h 16m
United Airlines
Deal found 18/2$2,020

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 19 February 2026.

Round-trip from

$1,744

One-way from

$804

Popular in

December

Cheapest in

November

Average price

$2,522
24/4-9/5
  • 24/4-9/5
  • 6 total stops
  • 70h 20m total
  • Ottawa to Australia
Search Deals
15/4
  • 15/4
  • 3 total stops
  • 36h 35m total
  • Ottawa to Australia
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($82 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($58 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 19 February 2026.
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

OttawaBrisbane

YOW - BNE

YOWBNE

Ottawa

Fri 10/4

06:00-10:35

3 stops38h 35m

Brisbane

Fri 24/4

11:35-00:40

3 stops51h 05m

$1,935

OttawaMelbourne

YOW - MEL

YOWMEL

Ottawa

Sat 7/3

19:30-08:30

2 stops45h 00m

Melbourne

Wed 11/3

12:00-21:18

2 stops24h 18m

$1,976

OttawaBrisbane

YOW - BNE

YOWBNE

Ottawa

Tue 10/3

09:45-06:30

2 stops30h 45m

Brisbane

Tue 24/3

10:40-21:18

2 stops24h 38m

$1,983

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 7/3

19:30-07:00

2 stops43h 30m

Sydney Kingsford Smith

Wed 11/3

11:50-21:56

2 stops25h 06m

$1,986

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 16/8

14:48-06:55

2 stops26h 07m

Sydney Kingsford Smith

Mon 31/8

10:20-09:47

2 stops37h 27m

$1,989

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 7/6

07:20-07:05

2 stops33h 45m

Sydney Kingsford Smith

Sun 28/6

09:10-05:40

2 stops34h 30m

$2,013

OttawaMelbourne

YOW - MEL

YOWMEL

Ottawa

Sat 13/6

19:30-07:30

2 stops70h 00m

Melbourne

Thu 2/7

10:55-09:11

2 stops36h 16m

$2,020

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 16/8

06:55-18:10

2 stops45h 15m

Sydney Kingsford Smith

Mon 31/8

07:50-00:49

2 stops30h 59m

$2,023

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Thu 2/4

06:00-06:35

2 stops33h 35m

Sydney Kingsford Smith

Thu 9/4

09:10-00:40

2 stops29h 30m

$2,026

OttawaBrisbane

YOW - BNE

YOWBNE

Ottawa

Tue 10/3

15:15-06:30

2 stops25h 15m

Brisbane

Sat 14/3

10:40-23:54

2 stops27h 14m

$2,027

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 53 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 $340). Flying from Ottawa to Australia in November is currently the most expensive (average of $1,693). 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 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 20m. United Airlines provides one of the quickest options available for as low as $2,228. Airlines will cover a distance of 15290 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 - Brisbane or Ottawa - Melbourne, 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 $340). Flying from Ottawa to Australia in November is currently the most expensive (average of $1,693). 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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