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Cheap flights from Ottawa to Sydney from C$ 790

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SYD
12 Apr — 19 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 13 March 2026.

Tue 9/66:55 a.m.
YOW
-
SYD
2 stops46h 15m
ANA
Tue 16/611:45 a.m.
SYD
-
YOW
2 stops27h 10m
ANA
Deal found 8/3C$ 1,641
Sun 16/82:48 p.m.
YOW
-
SYD
2 stops26h 12m
United Airlines
Mon 31/810:20 a.m.
SYD
-
YOW
2 stops41h 39m
United Airlines
Deal found 9/3C$ 1,752
Wed 22/410:44 a.m.
YOW
-
SYD
2 stops30h 11m
United Airlines
Wed 29/49:30 a.m.
SYD
-
YOW
2 stops26h 05m
United Airlines
Deal found 8/3C$ 1,766
Wed 27/53:10 p.m.
YOW
-
SYD
2 stops25h 50m
United Airlines
Wed 10/69:30 a.m.
SYD
-
YOW
2 stops23h 18m
United Airlines
Deal found 8/3C$ 1,770
Wed 22/410:44 a.m.
YOW
-
SYD
2 stops30h 16m
Lufthansa
Wed 29/49:30 a.m.
SYD
-
YOW
2 stops26h 05m
Lufthansa
Deal found 8/3C$ 1,790
Sat 4/47:30 p.m.
YOW
-
SYD
2 stops45h 30m
United Airlines
Sat 25/410:20 a.m.
SYD
-
YOW
2 stops25h 15m
United Airlines
Deal found 8/3C$ 1,801
Mon 1/610:44 a.m.
YOW
-
SYD
2 stops30h 11m
United Airlines
Thu 18/69:30 a.m.
SYD
-
YOW
2 stops26h 05m
United Airlines
Deal found 8/3C$ 1,807
Wed 18/39:45 a.m.
YOW
-
SYD
3 stops30h 15m
United Airlines
Wed 25/310:25 a.m.
SYD
-
YOW
2 stops25h 53m
United Airlines
Deal found 13/3C$ 1,811
Sat 6/67:30 p.m.
YOW
-
SYD
2 stops45h 25m
United Airlines
Wed 24/610:20 a.m.
SYD
-
YOW
2 stops25h 45m
United Airlines
Deal found 10/3C$ 1,812

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 13 March 2026.

Round-trip from

C$ 1,641

One-way from

C$ 790

Popular in

December

Cheapest in

November

Average price

C$ 2,252
ANA
  • ANA
  • 9/6-16/6
  • 4 total stops
  • 73h 25m total
  • Ottawa to Sydney
Search Deals
22/4
  • 22/4
  • 3 total stops
  • 39h 05m total
  • Ottawa to Sydney
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 13 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 round-trip

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 16/8

2:48 p.m.-7:00 a.m.

2 stops26h 12m

Sydney Kingsford Smith

Mon 31/8

10:20 a.m.-1:59 p.m.

2 stops41h 39m

C$ 1,752
Quickest round-trip

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Tue 19/5

2:40 p.m.-6:55 a.m.

2 stops26h 15m

Sydney Kingsford Smith

Sat 23/5

10:20 a.m.-9:35 p.m.

2 stops25h 15m

C$ 1,801

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 16/5

7:30 p.m.-7:00 a.m.

2 stops45h 30m

Sydney Kingsford Smith

Sat 20/6

10:20 a.m.-6:48 p.m.

2 stops22h 28m

C$ 1,801

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 1/6

10:44 a.m.-6:55 a.m.

2 stops30h 11m

Sydney Kingsford Smith

Thu 18/6

9:30 a.m.-9:35 p.m.

2 stops26h 05m

C$ 1,807

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 2/5

7:30 p.m.-6:55 a.m.

2 stops45h 25m

Sydney Kingsford Smith

Sat 30/5

10:20 a.m.-6:48 p.m.

2 stops22h 28m

C$ 1,848

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Thu 26/3

6:20 a.m.-7:00 a.m.

2 stops33h 40m

Sydney Kingsford Smith

Thu 9/4

9:30 a.m.-5:07 p.m.

2 stops45h 37m

C$ 1,975

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 22/4

10:25 a.m.-6:55 a.m.

3 stops30h 30m

Sydney Kingsford Smith

Wed 29/4

10:20 a.m.-10:05 p.m.

2 stops25h 45m

C$ 2,018
Cheapest one-way
Quickest one-way

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 22/4

6:45 a.m.-11:50 a.m.

3 stops39h 05m

C$ 790

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Thu 30/4

4:15 p.m.-11:50 a.m.

3 stops53h 35m

C$ 852

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Thu 23/4

6:45 a.m.-11:50 a.m.

3 stops39h 05m

C$ 901

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 11 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 round-trip 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 round-trip flight from Ottawa to Sydney. Price data was last updated on 6 March 2026.

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 C$ 400). Flying from Ottawa to Sydney in November is currently the most expensive (average of C$ 1,691). 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.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 13 March 2026.
Read reviews from past customers who have flown United Airlines and Air Canada from Ottawa to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,420 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,420 reviews
United Airlines
7.4
Good
9,420 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
10,800 reviews
United Airlines
7.4
Good
9,420 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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.

  • What are the cheapest airlines flying from Ottawa to Sydney round-trip?

    Cheapflights users have booked flights from Ottawa to Sydney round-trip from C$ 1,747. Another airline that can offer you cheap pricing is United Airlines. Air Canada is 22% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 vacation 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 C$ 400). Flying from Ottawa to Sydney in November is currently the most expensive (average of C$ 1,691). 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
Bondi Beach
Penrith
Parramatta

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Top 2 airlines flying from Ottawa to Sydney

Discover the top 2 airlines that operate flights from Ottawa to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 13 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,747AverageC$ 2,228FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 1,762AverageC$ 2,169FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ottawa to Sydney flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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