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Cheap flights from Ottawa to Australia from $761

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SYD
4 Apr — 11 Apr1
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 5 March 2026.

Wed 1/414:40
YOW
-
SYD
2 stops26h 20m
United Airlines
Tue 21/409:30
SYD
-
YOW
2 stops28h 24m
United Airlines
Deal found 28/2$1,765
Tue 10/311:10
YOW
-
BNE
2 stops29h 20m
United Airlines
Tue 24/310:40
BNE
-
YOW
2 stops25h 16m
United Airlines
Deal found 28/2$1,770
Sun 16/814:48
YOW
-
SYD
2 stops26h 12m
United Airlines
Mon 31/810:20
SYD
-
YOW
2 stops37h 36m
United Airlines
Deal found 4/3$1,770
Mon 27/418:00
YOW
-
MEL
2 stops27h 05m
Multiple Airlines
Mon 11/506:00
MEL
-
YOW
2 stops32h 55m
Multiple Airlines
Deal found 5/3$1,770
Wed 1/414:40
YOW
-
SYD
2 stops26h 20m
United Airlines
Mon 20/409:30
SYD
-
YOW
2 stops26h 05m
United Airlines
Deal found 28/2$1,773
Wed 4/306:20
YOW
-
SYD
2 stops32h 40m
United Airlines
Wed 11/311:50
SYD
-
YOW
2 stops24h 28m
United Airlines
Deal found 4/3$1,774
Sat 7/319:30
YOW
-
SYD
2 stops43h 30m
United Airlines
Wed 11/312:10
SYD
-
YOW
2 stops24h 08m
United Airlines
Deal found 28/2$1,776
Wed 18/314:15
YOW
-
SYD
2 stops26h 50m
United Airlines
Sun 22/314:00
SYD
-
YOW
2 stops35h 26m
United Airlines
Deal found 2/3$1,779
Wed 15/410:00
YOW
-
SYD
2 stops31h 00m
United Airlines
Wed 22/410:20
SYD
-
YOW
2 stops22h 35m
United Airlines
Deal found 2/3$1,782
Mon 27/416:15
YOW
-
MEL
3 stops29h 20m
Air Canada
Mon 11/506:00
MEL
-
YOW
2 stops32h 55m
Air Canada
Deal found 5/3$1,787
Tue 10/306:20
YOW
-
BNE
2 stops34h 10m
United Airlines
Sat 14/310:40
BNE
-
YOW
2 stops24h 38m
United Airlines
Deal found 27/2$1,807
Thu 23/706:25
YOW
-
SYD
2 stops58h 35m
United Airlines
Mon 27/710:20
SYD
-
YOW
2 stops22h 28m
United Airlines
Deal found 4/3$1,813

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 5 March 2026.

Round-trip from

$1,770

One-way from

$761

Popular in

December

Cheapest in

November

Average price

$2,344
United Airlines
  • United Airlines
  • 16/8-31/8
  • 4 total stops
  • 63h 48m total
  • Ottawa to Australia
Search Deals
11/8
  • 11/8
  • 3 total stops
  • 38h 40m total
  • Ottawa to Australia
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($77 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($57 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 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 5 March 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

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 16/8

14:48-07:00

2 stops26h 12m

Sydney Kingsford Smith

Mon 31/8

10:20-09:56

2 stops37h 36m

$1,770

OttawaBrisbane

YOW - BNE

YOWBNE

Ottawa

Sat 2/5

17:25-06:30

2 stops47h 05m

Brisbane

Sun 17/5

10:30-18:55

2 stops22h 25m

$1,774

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 15/4

10:44-07:00

2 stops30h 16m

Sydney Kingsford Smith

Wed 27/5

09:30-22:05

2 stops26h 35m

$1,782

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 15/4

10:00-07:00

2 stops31h 00m

Sydney Kingsford Smith

Wed 22/4

10:20-18:55

2 stops22h 35m

$1,782

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 12/4

06:00-07:00

3 stops35h 00m

Sydney Kingsford Smith

Wed 27/5

10:20-18:48

2 stops22h 28m

$1,782

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 1/4

10:00-08:00

2 stops31h 00m

Sydney Kingsford Smith

Wed 8/4

09:30-21:35

2 stops26h 05m

$1,782

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 18/3

09:45-07:00

3 stops30h 15m

Sydney Kingsford Smith

Thu 23/4

09:30-18:55

2 stops23h 25m

$1,814

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 31/5

10:44-07:00

2 stops30h 16m

Sydney Kingsford Smith

Tue 30/6

09:30-23:54

2 stops28h 24m

$1,826

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 1/6

10:44-07:00

2 stops30h 16m

Sydney Kingsford Smith

Thu 18/6

10:20-22:05

2 stops25h 45m

$1,833

OttawaBrisbane

YOW - BNE

YOWBNE

Ottawa

Fri 17/4

10:44-06:30

2 stops29h 46m

Brisbane

Fri 24/4

10:30-18:55

2 stops22h 25m

$1,843

Flights are sorted by cheapest return flights first.

Deals found on 4/3

Showing 1-10 of 54 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 $341). Flying from Ottawa to Australia in November is currently the most expensive (average of $1,708). 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 26h 12m. United Airlines provides one of the quickest options available for as low as $1,770. 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 - 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 $341). Flying from Ottawa to Australia in November is currently the most expensive (average of $1,708). 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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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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