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Cheap flights from Ottawa to Sydney from $578

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SYD
9 Jul — 16 Jul1
1 adult

Cheapflights Tip: The best prices from Ottawa to Sydney Kingsford Smith are usually found in September or April, booked 73 days in advance, depart on a Monday or Wednesday and return on a Sunday

Cheap 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 4 July 2025.

Round-trip from

$1,671

One-way from

$578

Popular in

December

Cheapest in

September

Average price

$2,475
Qantas Airways
  • Qantas Airways
  • 3/11-26/11
  • 4 total stops
  • 77h 25m total
  • Ottawa to Sydney
26/8
  • 26/8
  • 3 total stops
  • 36h 20m total
  • Ottawa to Sydney
Highest demand for flights based on searches. 10% potential increase in price ($454 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($70 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Ottawa to Sydney

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 4 July 2025.

Mon 3/1106:15YOW - SYD
2 stops33h 10mQantas Airways
Wed 26/1120:30SYD - YOW
2 stops44h 15mQantas Airways
Deal found 2/7$1,674
Mon 3/1117:15YOW - SYD
1 stop24h 20mAir Canada
Wed 26/1111:20SYD - YOW
1 stop20h 26mAir Canada
Deal found 2/7$1,687
Tue 9/906:00YOW - SYD
2 stops35h 30mMultiple Airlines
Wed 24/920:30SYD - YOW
2 stops24h 15mMultiple Airlines
Deal found 2/7$1,733
Tue 9/909:35YOW - SYD
2 stops43h 40mANA
Wed 24/911:50SYD - YOW
2 stops34h 33mANA
Deal found 3/7$2,328

Cheapflights Fare Finder

Customise 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 647,157 searches. Data last updated 4 July 2025.
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 3/11

06:15-07:25

2 stops33h 10m

Sydney Kingsford Smith

Wed 26/11

20:30-00:45

2 stops44h 15m

$1,671

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 3/11

05:30-09:35

1 stop36h 05m

Sydney Kingsford Smith

Wed 26/11

11:20-15:46

1 stop20h 26m

$1,683

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Tue 9/9

06:00-07:30

2 stops35h 30m

Sydney Kingsford Smith

Wed 24/9

20:30-06:45

2 stops24h 15m

$1,733

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Tue 26/8

12:20-14:40

3 stops36h 20m

$578

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 17/8

06:25-07:20

3 stops34h 55m

$1,001

Flights are sorted by cheapest return flights first.

Deals found on 2/7

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 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 Sydney

How far ahead should I book a flight from Ottawa to Sydney?

Use this chart to determine the optimal time to book a return flight from Ottawa to Sydney. Price data was last updated on 27 June 2025.

To ensure you get the cheapest price possible for a flight from Ottawa to Sydney, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $129). Flying from Ottawa to Sydney in October is currently the most expensive (average of $171). 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 4 July 2025.
Check out reviews from past customers who have flown with Qantas Airways and Air Canada from Ottawa to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.4

Boarding

7.7

Overall

7.5

Entertainment

7.1

Crew

8.2

Food

6.9

Reviews

1 / 20
4.0
Okay

Hendrik Bernardus,May 2025

SYD - PER

These economy class seats must be as cramped as they can possibly get? It's almost impossible for two adults to sit next to each other. The blonde Australian air hostess at the back was rude. Despite Qantas' bad service overall I've now had a few experiences where the attitude of the team on board just makes up for their flights always being late. This was not one of those flights. The ice cream is a nice touch!

Comfort

7.4

Boarding

7.7

Overall

7.5

Entertainment

7.1

Crew

8.2

Food

6.9

Reviews

1 / 20
4.0
Okay

Hendrik Bernardus,May 2025

SYD - PER

These economy class seats must be as cramped as they can possibly get? It's almost impossible for two adults to sit next to each other. The blonde Australian air hostess at the back was rude. Despite Qantas' bad service overall I've now had a few experiences where the attitude of the team on board just makes up for their flights always being late. This was not one of those flights. The ice cream is a nice touch!

Comfort

7.4

Boarding

7.7

Overall

7.5

Entertainment

7.1

Crew

8.2

Food

6.9

Reviews

1 / 20
4.0
Okay

Hendrik Bernardus,May 2025

SYD - PER

These economy class seats must be as cramped as they can possibly get? It's almost impossible for two adults to sit next to each other. The blonde Australian air hostess at the back was rude. Despite Qantas' bad service overall I've now had a few experiences where the attitude of the team on board just makes up for their flights always being late. This was not one of those flights. The ice cream is a nice touch!

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

    According to our current data, Qantas Airways ($1,671), and Air Canada ($1,683) offers the cheapest pricing from Ottawa to Sydney. These flights start at 31% lower than the current average price 3 months from now.

  • 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 holiday 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 $129). Flying from Ottawa to Sydney in October is currently the most expensive (average of $171). 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 Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Manly
Penrith
Coogee
Randwick
Cronulla
Terrigal
Lithgow
Bondi Beach
Leura

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ottawa to Sydney

Discover the top airline 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 647,157 searches. Data last updated 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$2,007Average$2,338FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa to Sydney, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Ottawa to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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