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Cheap flights from Ottawa to Sydney from C$ 900

YOW — SYD
9 Oct — 16 Oct1
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

Tue 20/106:55 a.m. -
2 stops36h 30m
Tue 27/109:45 p.m. -
2 stops42h 11m
Deal found 7/9C$ 1,707
Sat 31/107:45 a.m. -
2 stops45h 30m
Sun 15/1112:25 p.m. -
2 stops28h 31m
Deal found 9/9C$ 1,814
Tue 20/106:55 a.m. -
2 stops46h 15m
Tue 27/1012:25 p.m. -
2 stops27h 31m
Deal found 5/9C$ 1,852
Wed 21/1010:37 a.m. -
2 stops32h 48m
Wed 28/109:45 p.m. -
2 stops42h 11m
Deal found 6/9C$ 1,881
Sat 31/107:45 a.m. -
2 stops45h 30m
Sat 14/119:45 p.m. -
2 stops43h 11m
Deal found 9/9C$ 1,980
Sat 31/107:45 a.m. -
2 stops45h 30m
Fri 13/1112:25 p.m. -
2 stops28h 31m
Deal found 9/9C$ 2,017
Tue 20/105:00 a.m. -
1 stop36h 20m
Tue 27/1010:20 a.m. -
2 stops27h 51m
Deal found 7/9C$ 2,024
Wed 11/115:40 p.m. -
1 stop23h 55m
Sun 13/1211:20 a.m. -
1 stop20h 39m
Deal found 6/9C$ 2,060
Sun 1/116:15 a.m. -
2 stops46h 00m
Fri 13/1112:25 p.m. -
2 stops28h 31m
Deal found 9/9C$ 2,063
Sun 8/116:15 a.m. -
2 stops46h 00m
Mon 7/129:45 p.m. -
2 stops43h 11m
Deal found 6/9C$ 2,064

Find flight deals from Ottawa to Sydney

Round-trip from

C$ 1,707

One-way from

C$ 900

Popular in

July

Cheapest in

May

Average price

C$ 2,320
20/10-27/10
  • 20/10-27/10
  • 4 total stops
  • 78h 41m total
  • Ottawa to Sydney
Search Deals
31/10-31/12
  • 31/10-31/12
  • 2 total stops
  • 32h 25m total
  • Ottawa to Sydney
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 80 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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 Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Fri 30/10

5:35 a.m.-6:25 a.m.

3 stops33h 50m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 918

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Sat 31/10

7:00 a.m.-6:25 a.m.

2 stops32h 25m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 924

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Thu 10/12

5:30 a.m.-6:25 a.m.

3 stops32h 55m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 932

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Tue 15/9

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

3 stops34h 30m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 1,186

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Fri 9/10

6:55 p.m.-10:45 a.m.

2 stops48h 50m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 1,562

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Tue 27/10

8:40 a.m.-8:35 a.m.

1 stop32h 55m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 1,660
Quickest round-trip

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Tue 13/10

10:37 a.m.-8:00 a.m.

2 stops30h 23m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 1,682

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Thu 22/10

6:55 a.m.-8:20 a.m.

1 stop34h 25m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 1,708

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Tue 15/9

5:00 a.m.-7:20 a.m.

1 stop36h 20m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 1,981

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Sat 7/11

4:25 p.m.-9:35 a.m.

2 stops49h 10m

Sydney Kingsford Smith

Wed 11/11

11:20 a.m.-11:11 p.m.

2 stops27h 51m

C$ 2,192

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 20 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

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?

Booking 65 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$ 2,178). Flying from Ottawa to Sydney in July is currently the most expensive (average of C$ 3,057). 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 much does it cost to fly round-trip from Ottawa to Sydney?

Airfare is below average for this route at the moment.

Ottawa to Sydney flights typically cost between C$ 2,074 and C$ 2,720 in October.
The cheapest round-trip price found within the last 5 days was C$ 1,707 on Multiple Airlines (20 Oct-27 Oct).

Reviews of airlines servicing Sydney

Read reviews from past customers who have flown Air New Zealand,United Airlines, andAir 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.
Air New Zealand
8.0
Very good
669 reviews
Check prices

Boarding

8.2

Entertainment

7.4

Crew

8.5

Overall

8.0

Food

7.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
Air New Zealand
8.0
Very good
669 reviews
Air New Zealand
8.0
Very good
669 reviews
Check prices

Boarding

8.2

Entertainment

7.4

Crew

8.5

Overall

8.0

Food

7.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
United Airlines
7.4
Good
10,194 reviews
Air New Zealand
8.0
Very good
669 reviews
Check prices

Boarding

8.2

Entertainment

7.4

Crew

8.5

Overall

8.0

Food

7.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
Air Canada
7.1
Good
11,608 reviews
Air New Zealand
8.0
Very good
669 reviews
Check prices

Boarding

8.2

Entertainment

7.4

Crew

8.5

Overall

8.0

Food

7.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Related info for your journey

  • How long is the flight from Ottawa to Sydney?

    Air Canada and United Airlines can get you from Ottawa to Sydney in just under 31h 20m. Your travel time can differ by up to 17h 50m. Airlines will cover a distance of 15862 km. This flight may include one or multiple stops.

  • 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$ 1,766. Other airlines that can offer you cheap pricing are Air New Zealand, from C$ 1,772, and Air Canada, from C$ 1,946. United Airlines is 27% 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$ 2,178). Flying from Ottawa to Sydney in July is currently the most expensive (average of C$ 3,057). 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
Parramatta

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Ottawa to Sydney

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 1,766AverageC$ 2,202FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapestC$ 1,772AverageC$ 2,093FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapestC$ 1,946AverageC$ 2,463FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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.

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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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