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Cheap flights from Ottawa to Sydney from C$ 812

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SYD
25 Feb — 4 Mar1
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 26 January 2026.

Tue 10/312:00 p.m.
YOW
-
SYD
3 stops33h 35m
Multiple Airlines
Tue 17/32:00 p.m.
SYD
-
YOW
3 stops34h 23m
Multiple Airlines
Deal found 23/1C$ 1,738
Sat 23/510:00 a.m.
YOW
-
SYD
3 stops35h 45m
Multiple Airlines
Sun 7/61:15 p.m.
SYD
-
YOW
3 stops31h 40m
Multiple Airlines
Deal found 24/1C$ 1,775
Mon 23/36:00 a.m.
YOW
-
SYD
2 stops33h 35m
Multiple Airlines
Mon 27/48:30 p.m.
SYD
-
YOW
2 stops23h 10m
Multiple Airlines
Deal found 25/1C$ 1,820
Sun 12/48:20 p.m.
YOW
-
SYD
2 stops45h 10m
Multiple Airlines
Mon 25/58:30 p.m.
SYD
-
YOW
2 stops32h 25m
Multiple Airlines
Deal found 24/1C$ 1,893
Sat 4/46:00 a.m.
YOW
-
SYD
2 stops34h 35m
Multiple Airlines
Sat 25/45:50 p.m.
SYD
-
YOW
2 stops27h 05m
Multiple Airlines
Deal found 24/1C$ 1,920
Fri 10/46:00 a.m.
YOW
-
SYD
2 stops58h 35m
Qantas Airways
Wed 27/58:30 p.m.
SYD
-
YOW
2 stops48h 25m
Qantas Airways
Deal found 24/1C$ 1,954
Wed 11/35:40 a.m.
YOW
-
SYD
2 stops34h 15m
Multiple Airlines
Wed 18/38:30 p.m.
SYD
-
YOW
2 stops43h 10m
Multiple Airlines
Deal found 24/1C$ 1,957

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 26 January 2026.

Round-trip from

C$ 1,775

One-way from

C$ 812

Popular in

December

Cheapest in

April

Average price

C$ 2,234
23/5-7/6
  • 23/5-7/6
  • 6 total stops
  • 67h 25m total
  • Ottawa to Sydney
Search Deals
11/3
  • 11/3
  • 3 total stops
  • 38h 50m total
  • Ottawa to Sydney
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 124 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 26 January 2026.
Use the filters below to find and compare flights from Ottawa to Sydney that are best for you.

Fly from

Ottawa

Fly to

Sydney

Route

Depart

Return

Price

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 23/3

6:00 a.m.-6:35 a.m.

2 stops33h 35m

Sydney Kingsford Smith

Mon 27/4

8:30 p.m.-5:40 a.m.

2 stops23h 10m

C$ 1,820

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 4/4

6:00 a.m.-7:35 a.m.

2 stops34h 35m

Sydney Kingsford Smith

Sat 25/4

5:50 p.m.-6:55 a.m.

2 stops27h 05m

C$ 1,920

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 11/4

6:00 a.m.-6:35 a.m.

2 stops34h 35m

Sydney Kingsford Smith

Mon 25/5

8:30 p.m.-6:55 a.m.

2 stops48h 25m

C$ 1,954

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 12/4

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

2 stops34h 25m

Sydney Kingsford Smith

Sat 23/5

8:30 p.m.-6:55 a.m.

2 stops48h 25m

C$ 1,994

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 11/4

6:00 a.m.-6:35 a.m.

2 stops34h 35m

Sydney Kingsford Smith

Sun 24/5

9:25 p.m.-6:25 p.m.

2 stops59h 00m

C$ 2,002

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 11/4

6:00 a.m.-6:35 a.m.

2 stops34h 35m

Sydney Kingsford Smith

Fri 22/5

5:50 p.m.-6:25 p.m.

2 stops38h 35m

C$ 2,038

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 7/3

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

2 stops43h 30m

Sydney Kingsford Smith

Wed 11/3

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

2 stops23h 30m

C$ 2,153

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 22/2

2:15 p.m.-9:05 a.m.

2 stops26h 50m

Sydney Kingsford Smith

Sun 12/4

10:20 a.m.-10:03 a.m.

2 stops37h 43m

C$ 2,154

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 12/4

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

2 stops26h 15m

Sydney Kingsford Smith

Sun 24/5

9:30 a.m.-6:42 p.m.

2 stops23h 12m

C$ 2,154

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 11/3

6:45 a.m.-12:35 p.m.

3 stops38h 50m

C$ 812

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/1

Showing 1-10 of 14 results
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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 23 January 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, July is the cheapest month in which you can book a flight from Ottawa to Sydney (average of C$ 378). Flying from Ottawa to Sydney in November is currently the most expensive (average of C$ 1,713). 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 26 January 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
9,200 reviews
Check prices

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

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
9,200 reviews
United Airlines
7.4
Good
9,200 reviews
Check prices

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

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
10,656 reviews
United Airlines
7.4
Good
9,200 reviews
Check prices

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Overall

7.4

Entertainment

7.1

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?

    Qantas Airways can get you from Ottawa to Sydney in just under 34h 35m. 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$ 1,775. Another airline that can offer you cheap pricing is United Airlines. Air Canada is 21% 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, July is the cheapest month in which you can book a flight from Ottawa to Sydney (average of C$ 378). Flying from Ottawa to Sydney in November is currently the most expensive (average of C$ 1,713). 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

Browse thousands of different options on Cheapflights for your next trip

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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 26 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,775AverageC$ 2,220FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 1,779AverageC$ 2,177FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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