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Cheap flights from Ottawa to Sydney from C$ 798

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 12/4. 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

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Find the cheapest flights from Ottawa to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:05 p.m. - 12:35 p.m.
YOW
-
SYD
30h 30m
3 stops
Multiple Airlines Logo
6:00 a.m. - 12:43 a.m.
SYD
-
YOW
34h 43m
3 stops
C$ 1,765Multiple Airlines
Tue, 10 Feb - Tue, 17 Feb
Air New Zealand Logo
5:50 p.m. - 10:30 a.m.
YOW
-
SYD
49h 40m
2 stops
Air New Zealand Logo
9:55 a.m. - 6:45 a.m.
SYD
-
YOW
34h 50m
2 stops
C$ 1,785Air New Zealand
Mon, 23 Mar - Mon, 27 Apr
Air New Zealand Logo
7:45 a.m. - 8:45 a.m.
YOW
-
SYD
35h 00m
2 stops
Air New Zealand Logo
11:55 a.m. - 12:55 a.m.
SYD
-
YOW
27h 00m
2 stops
C$ 1,787Air New Zealand
Sun, 12 Apr - Mon, 25 May
Multiple Airlines Logo
10:30 a.m. - 12:35 p.m.
YOW
-
SYD
34h 05m
3 stops
Multiple Airlines Logo
2:00 p.m. - 8:46 a.m.
SYD
-
YOW
34h 46m
3 stops
C$ 1,799Multiple Airlines
Sat, 28 Feb - Sat, 7 Mar
Multiple Airlines Logo
7:00 a.m. - 9:35 a.m.
YOW
-
SYD
34h 35m
3 stops
Multiple Airlines Logo
2:00 p.m. - 6:43 a.m.
SYD
-
YOW
31h 43m
3 stops
C$ 1,814Multiple Airlines
Tue, 3 Mar - Tue, 10 Mar
Air New Zealand Logo
7:45 a.m. - 8:45 a.m.
YOW
-
SYD
33h 00m
2 stops
Air New Zealand Logo
7:15 p.m. - 6:43 a.m.
SYD
-
YOW
50h 28m
2 stops
C$ 1,816Air New Zealand
Tue, 3 Mar - Tue, 10 Mar
Multiple Airlines Logo
5:40 a.m. - 12:35 p.m.
YOW
-
SYD
38h 55m
3 stops
Multiple Airlines Logo
2:00 p.m. - 8:25 a.m.
SYD
-
YOW
34h 25m
3 stops
C$ 1,817Multiple Airlines
Wed, 11 Feb - Tue, 17 Feb
Air New Zealand Logo
6:00 p.m. - 8:45 a.m.
YOW
-
SYD
24h 45m
2 stops
Air New Zealand Logo
11:55 a.m. - 12:55 a.m.
SYD
-
YOW
27h 00m
2 stops
C$ 1,833Air New Zealand
Mon, 13 Apr - Mon, 25 May
Multiple Airlines Logo
5:50 p.m. - 10:30 a.m.
YOW
-
SYD
48h 40m
2 stops
Multiple Airlines Logo
1:55 p.m. - 6:43 a.m.
SYD
-
YOW
31h 48m
2 stops
C$ 1,834Multiple Airlines
Mon, 2 Mar - Mon, 16 Mar
Multiple Airlines Logo
6:50 p.m. - 10:05 p.m.
YOW
-
SYD
59h 15m
2 stops
Multiple Airlines Logo
2:00 p.m. - 2:45 p.m.
SYD
-
YOW
40h 45m
2 stops
C$ 1,844Multiple Airlines
Wed, 11 Feb - Tue, 17 Feb

Air Canada flights from Ottawa to Sydney

Our best Air Canada deals on Ottawa to Sydney flight tickets
Air Canada
2 Mar
YOW5:35 p.m.Ottawa
48h 00m
2 stops
SYD9:35 a.m.Sydney Kingsford Smith
16 Mar
SYD10:25 a.m.Sydney Kingsford Smith
20h 36m
1 stop
YOW4:01 p.m.Ottawa
C$ 1,938
Air Canada
2 Mar
YOW5:50 p.m.Ottawa
23h 45m
1 stop
SYD9:35 a.m.Sydney Kingsford Smith
16 Mar
SYD10:25 a.m.Sydney Kingsford Smith
35h 18m
1 stop
YOW6:43 a.m.Ottawa
C$ 1,941
Air Canada
6 Apr
YOW6:00 p.m.Ottawa
23h 20m
1 stop
SYD7:20 a.m.Sydney Kingsford Smith
6 May
SYD9:20 a.m.Sydney Kingsford Smith
21h 13m
1 stop
YOW4:33 p.m.Ottawa
C$ 2,009

Qantas Airways flights from Ottawa to Sydney

Our best Qantas Airways deals on Ottawa to Sydney flight tickets
Qantas Airways
12 Apr
YOW6:00 a.m.Ottawa
58h 35m
2 stops
SYD6:35 a.m.Sydney Kingsford Smith
27 May
SYD8:30 p.m.Sydney Kingsford Smith
48h 25m
2 stops
YOW6:55 a.m.Ottawa
C$ 1,927
Qantas Airways
4 Apr
YOW6:00 a.m.Ottawa
34h 35m
2 stops
SYD7:35 a.m.Sydney Kingsford Smith
12 Apr
SYD5:50 p.m.Sydney Kingsford Smith
44h 50m
2 stops
YOW12:40 a.m.Ottawa
C$ 1,955
Qantas Airways
10 Apr
YOW6:00 a.m.Ottawa
58h 35m
2 stops
SYD6:35 a.m.Sydney Kingsford Smith
27 May
SYD8:30 p.m.Sydney Kingsford Smith
48h 25m
2 stops
YOW6:55 a.m.Ottawa
C$ 1,962

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 15 January 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

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Tue 10/2

2:05 p.m.-12:35 p.m.

3 stops30h 30m

Sydney Kingsford Smith

Tue 17/2

6:00 a.m.-12:43 a.m.

3 stops34h 43m

C$ 1,764

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 23/3

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

2 stops49h 40m

Sydney Kingsford Smith

Mon 27/4

9:55 a.m.-6:45 a.m.

2 stops34h 50m

C$ 1,785

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 12/4

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

2 stops35h 00m

Sydney Kingsford Smith

Mon 25/5

11:55 a.m.-12:55 a.m.

2 stops27h 00m

C$ 1,787

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 28/2

10:30 a.m.-12:35 p.m.

3 stops34h 05m

Sydney Kingsford Smith

Sat 7/3

2:00 p.m.-8:46 a.m.

3 stops34h 46m

C$ 1,799

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Tue 3/3

7:00 a.m.-9:35 a.m.

3 stops34h 35m

Sydney Kingsford Smith

Tue 10/3

2:00 p.m.-6:43 a.m.

3 stops31h 43m

C$ 1,814

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Tue 3/3

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

2 stops33h 00m

Sydney Kingsford Smith

Tue 10/3

7:15 p.m.-6:43 a.m.

2 stops50h 28m

C$ 1,816

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 11/2

5:40 a.m.-12:35 p.m.

3 stops38h 55m

Sydney Kingsford Smith

Tue 17/2

2:00 p.m.-8:25 a.m.

3 stops34h 25m

C$ 1,817

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 13/4

6:00 p.m.-8:45 a.m.

2 stops24h 45m

Sydney Kingsford Smith

Mon 25/5

11:55 a.m.-12:55 a.m.

2 stops27h 00m

C$ 1,833

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 2/3

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

2 stops48h 40m

Sydney Kingsford Smith

Mon 16/3

1:55 p.m.-6:43 a.m.

2 stops31h 48m

C$ 1,834

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 11/2

6:50 p.m.-10:05 p.m.

2 stops59h 15m

Sydney Kingsford Smith

Tue 17/2

2:00 p.m.-2:45 p.m.

2 stops40h 45m

C$ 1,844

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 November, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 2,137.

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$ 2,274 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$ 2,005 on momondo.

Can stopping save me money on Ottawa to Sydney flights?

You could potentially save up to 2% on your flight if you consider stops on a Ottawa to Sydney flight.

How have Ottawa to Sydney flight prices changed over time?

As of January 2026, prices for Ottawa to Sydney flights are approximately 4% cheaper when compared to flights at the same time last year.

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

Fastest flight time

24h 45m

Direct flights

None
The fastest flight from Ottawa to Sydney takes 24h 45m
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 24h 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
United AirlinesPriceFrom C$ 1,803Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 1,809Free CancellationRating
7.1
10,622 reviews
Search Air Canada flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
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

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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
United Airlines
Delta
Air New Zealand
Porter Airlines
WestJet
Qatar Airways
Qantas Airways