Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to Sydney from C$ 1,736

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Sydney departing on 28/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ottawa to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
7:45 a.m. - 9:35 a.m.YOW-SYD
33h 50m1 stop
Air Canada Logo
11:20 a.m. - 3:45 p.m.SYD-YOW
20h 25m1 stop
C$ 1,895Air Canada
Find Deal
Sun, 23 Nov - Sun, 7 Dec
Air Canada Logo
10:50 a.m. - 9:35 a.m.YOW-SYD
30h 45m3 stops
Air Canada Logo
11:20 a.m. - 3:00 p.m.SYD-YOW
43h 40m2 stops
C$ 1,903Air Canada
Find Deal
Sun, 23 Nov - Sun, 7 Dec
Air Canada Logo
10:50 a.m. - 9:35 a.m.YOW-SYD
30h 45m2 stops
Air Canada Logo
10:20 a.m. - 3:45 p.m.SYD-YOW
20h 25m1 stop
C$ 1,940Air Canada
Find Deal
Thu, 27 Nov - Wed, 18 Mar
Multiple Airlines Logo
8:25 p.m. - 9:35 a.m.YOW-SYD
45h 10m2 stops
Multiple Airlines Logo
7:05 a.m. - 3:45 p.m.SYD-YOW
24h 40m2 stops
C$ 1,974Multiple Airlines
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Multiple Airlines Logo
5:40 a.m. - 8:50 p.m.YOW-SYD
48h 10m2 stops
Multiple Airlines Logo
7:40 a.m. - 5:14 p.m.SYD-YOW
47h 34m2 stops
C$ 2,037Multiple Airlines
Find Deal
Mon, 23 Mar - Mon, 27 Apr
United Airlines Logo
2:15 p.m. - 9:15 a.m.YOW-SYD
27h 00m2 stops
United Airlines Logo
11:20 a.m. - 9:18 p.m.SYD-YOW
25h 58m2 stops
C$ 2,162United Airlines
Find Deal
Wed, 28 Jan - Sun, 15 Feb
United Airlines Logo
2:15 p.m. - 9:15 a.m.YOW-SYD
27h 00m2 stops
United Airlines Logo
11:50 a.m. - 6:55 p.m.SYD-YOW
23h 05m2 stops
C$ 2,166United Airlines
Find Deal
Wed, 28 Jan - Sun, 15 Feb
Air New Zealand Logo
7:45 a.m. - 8:45 a.m.YOW-SYD
33h 00m2 stops
Air New Zealand Logo
9:55 a.m. - 6:43 a.m.SYD-YOW
36h 48m2 stops
C$ 2,259Air New Zealand
Find Deal
Thu, 29 Jan - Sat, 14 Feb
Qantas Airways Logo
6:00 a.m. - 6:35 a.m.YOW-SYD
56h 35m2 stops
Qantas Airways Logo
11:20 a.m. - 12:40 a.m.SYD-YOW
29h 20m2 stops
C$ 2,353Qantas Airways
Find Deal
Sun, 16 Nov - Mon, 8 Dec
Air New Zealand Logo
5:50 p.m. - 10:30 a.m.YOW-SYD
48h 40m2 stops
Air New Zealand Logo
9:55 a.m. - 6:43 a.m.SYD-YOW
36h 48m2 stops
C$ 2,360Air New Zealand
Find Deal
Mon, 15 Dec - Mon, 19 Jan

United Airlines flights from Ottawa to Sydney

Our best United Airlines deals on Ottawa to Sydney flight tickets
United Airlines
28 Jan
YOW2:15 p.m.Ottawa
27h 00m
2 stops
SYD9:15 a.m.Sydney Kingsford Smith
15 Feb
SYD11:20 a.m.Sydney Kingsford Smith
25h 58m
2 stops
YOW9:18 p.m.Ottawa
C$ 2,162
Find similar
United Airlines
28 Jan
YOW2:15 p.m.Ottawa
27h 00m
2 stops
SYD9:15 a.m.Sydney Kingsford Smith
15 Feb
SYD11:50 a.m.Sydney Kingsford Smith
23h 05m
2 stops
YOW6:55 p.m.Ottawa
C$ 2,166
Find similar
United Airlines
21 Nov
YOW7:30 p.m.Ottawa
43h 30m
2 stops
SYD7:00 a.m.Sydney Kingsford Smith
8 Dec
SYD11:20 a.m.Sydney Kingsford Smith
28h 34m
2 stops
YOW11:54 p.m.Ottawa
C$ 2,217
Find similar

Air New Zealand flights from Ottawa to Sydney

Our best Air New Zealand deals on Ottawa to Sydney flight tickets
Air New Zealand
29 Jan
YOW7:45 a.m.Ottawa
33h 00m
2 stops
SYD8:45 a.m.Sydney Kingsford Smith
14 Feb
SYD9:55 a.m.Sydney Kingsford Smith
36h 48m
2 stops
YOW6:43 a.m.Ottawa
C$ 2,259
Find similar
Air New Zealand
15 Dec
YOW5:50 p.m.Ottawa
48h 40m
2 stops
SYD10:30 a.m.Sydney Kingsford Smith
19 Jan
SYD9:55 a.m.Sydney Kingsford Smith
36h 48m
2 stops
YOW6:43 a.m.Ottawa
C$ 2,360
Find similar
Air New Zealand
15 Dec
YOW5:50 p.m.Ottawa
48h 40m
2 stops
SYD10:30 a.m.Sydney Kingsford Smith
19 Jan
SYD9:55 a.m.Sydney Kingsford Smith
36h 48m
2 stops
YOW6:43 a.m.Ottawa
C$ 2,365
Find similar

momondo 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, momondo users made 96,600 searches. Data last updated 4 November 2025.
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

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 23/11

7:45 a.m.-9:35 a.m.

1 stop33h 50m

Sydney Kingsford Smith

Sun 7/12

11:20 a.m.-3:45 p.m.

1 stop20h 25m

C$ 1,895

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 23/11

10:50 a.m.-9:35 a.m.

3 stops30h 45m

Sydney Kingsford Smith

Sun 7/12

11:20 a.m.-3:00 p.m.

2 stops43h 40m

C$ 1,903

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Thu 27/11

10:50 a.m.-9:35 a.m.

2 stops30h 45m

Sydney Kingsford Smith

Wed 18/3

10:20 a.m.-3:45 p.m.

1 stop20h 25m

C$ 1,940

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 1/12

8:25 p.m.-9:35 a.m.

2 stops45h 10m

Sydney Kingsford Smith

Mon 8/12

7:05 a.m.-3:45 p.m.

2 stops24h 40m

C$ 1,974

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 23/3

5:40 a.m.-8:50 p.m.

2 stops48h 10m

Sydney Kingsford Smith

Mon 27/4

7:40 a.m.-5:14 p.m.

2 stops47h 34m

C$ 2,037

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 28/1

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

2 stops27h 00m

Sydney Kingsford Smith

Sun 15/2

11:20 a.m.-9:18 p.m.

2 stops25h 58m

C$ 2,162

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 28/1

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

2 stops27h 00m

Sydney Kingsford Smith

Sun 15/2

11:50 a.m.-6:55 p.m.

2 stops23h 05m

C$ 2,166

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Thu 29/1

7:45 a.m.-8:45 a.m.

2 stops33h 00m

Sydney Kingsford Smith

Sat 14/2

9:55 a.m.-6:43 a.m.

2 stops36h 48m

C$ 2,259

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 16/11

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

2 stops56h 35m

Sydney Kingsford Smith

Mon 8/12

11:20 a.m.-12:40 a.m.

2 stops29h 20m

C$ 2,353

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 15/12

5:50 p.m.-10:30 a.m.

2 stops48h 40m

Sydney Kingsford Smith

Mon 19/1

9:55 a.m.-6:43 a.m.

2 stops36h 48m

C$ 2,360

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Sydney from

How to get the cheapest flight ticket from Ottawa to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sydney?

If you aren’t able to travel to Sydney during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of C$ 2,181.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Ottawa to Sydney is on a Sunday when prices can be found for as low as C$ 2,260. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around C$ 2,568.

What is the cheapest time of day to depart on your flight to Sydney?

The cheapest time of day to fly to Sydney is in the evening when flights can be purchased for as low as C$ 2,065. In contrast, the most expensive time of day to depart to Sydney is at noon when prices are around C$ 2,891.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around C$ 2,298 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Ottawa for as low as C$ 2,016 on momondo.

Can stopping save me money on Ottawa to Sydney flights?

You could potentially save up to 6% on your flight if you consider stops on a Ottawa to Sydney flight.

How have Ottawa to Sydney flight prices changed over time?

When to book flights from Ottawa to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Sydney (YOW to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Sydney

Direct flights

None
There are no direct flights from Ottawa to Sydney. There are no popular flight routes from Ottawa to Sydney.
Search flight deals

  • How far is Ottawa to Sydney Kingsford Smith by plane?

    Sydney Kingsford Smith is 15853.3 km away from Ottawa. In terms of flight time, this usually takes a little over 23h 45m.

  • When did momondo last update prices for flights from Ottawa Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Ottawa Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ottawa Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Ottawa Airport to Sydney Kingsford Smith Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ottawa to Sydney?

Best airlines flying from Ottawa to Sydney

Compare and see reviews for airlines that fly from Ottawa to Sydney with momondo
Airline
Rating
Free Cancellation
Price
Air New ZealandPriceFrom C$ 1,755Free CancellationRating
8.0
521 reviews
Search Air New Zealand flights
Air CanadaPriceFrom C$ 1,841Free CancellationRating
7.1
10,401 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 1,871Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Wollongong
Penrith
Bondi Beach

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Sydney?

It is quick and easy to find Ottawa to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

Can I find flights from Ottawa to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Ottawa with this policy.

How can momondo help me find flights from Ottawa to Sydney?

Once you have performed a search for Ottawa to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ottawa to Sydney right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ottawa to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/12
Thu 11/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

Fly your favourite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Air Canada
WestJet
Porter Airlines
Air Transat
Flair Airlines
United Airlines
Lufthansa
American Airlines
Delta
Air France
British Airways
Turkish Airlines