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Cheap flights from Ottawa to Sydney from C$ 956

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 17/1. 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.
Air Canada Logo
5:50 p.m. - 9:35 a.m.
YOW
-
SYD
23h 45m1 stop
Air Canada Logo
10:20 a.m. - 6:45 a.m.
SYD
-
YOW
35h 25m1 stop
C$ 1,435Air Canada
Mon, 2 Mar - Mon, 30 Mar
Air Canada Logo
6:00 p.m. - 7:20 a.m.
YOW
-
SYD
23h 20m1 stop
Air Canada Logo
9:20 a.m. - 3:17 p.m.
SYD
-
YOW
43h 57m2 stops
C$ 1,436Air Canada
Mon, 13 Apr - Mon, 25 May
Air Canada Logo
8:05 p.m. - 7:20 a.m.
YOW
-
SYD
45h 15m2 stops
Air Canada Logo
9:20 a.m. - 8:19 a.m.
SYD
-
YOW
36h 59m1 stop
C$ 1,440Air Canada
Sat, 11 Apr - Wed, 27 May
Air Canada Logo
12:00 p.m. - 9:35 a.m.
YOW
-
SYD
29h 35m2 stops
Air Canada Logo
10:20 a.m. - 6:45 a.m.
SYD
-
YOW
35h 25m1 stop
C$ 1,444Air Canada
Mon, 2 Mar - Mon, 30 Mar
Air Canada Logo
12:00 p.m. - 9:35 a.m.
YOW
-
SYD
29h 35m2 stops
Air Canada Logo
10:20 a.m. - 10:06 a.m.
SYD
-
YOW
38h 46m2 stops
C$ 1,457Air Canada
Mon, 2 Mar - Mon, 30 Mar
Air Canada Logo
5:45 a.m. - 7:20 a.m.
YOW
-
SYD
35h 35m2 stops
Air Canada Logo
7:00 a.m. - 8:49 p.m.
SYD
-
YOW
27h 49m2 stops
C$ 1,461Air Canada
Wed, 15 Apr - Mon, 25 May
United Airlines Logo
7:27 p.m. - 7:00 a.m.
YOW
-
SYD
43h 33m2 stops
United Airlines Logo
11:50 a.m. - 9:18 p.m.
SYD
-
YOW
24h 28m2 stops
C$ 1,467United Airlines
Sat, 31 Jan - Mon, 9 Mar
United Airlines Logo
11:10 a.m. - 9:05 a.m.
YOW
-
SYD
29h 55m2 stops
United Airlines Logo
12:10 p.m. - 9:18 p.m.
SYD
-
YOW
25h 08m2 stops
C$ 1,468United Airlines
Mon, 16 Feb - Tue, 3 Mar
United Airlines Logo
9:45 a.m. - 9:05 a.m.
YOW
-
SYD
31h 20m2 stops
United Airlines Logo
12:10 p.m. - 11:54 p.m.
SYD
-
YOW
27h 44m2 stops
C$ 1,469United Airlines
Wed, 28 Jan - Sun, 15 Feb
United Airlines Logo
5:11 p.m. - 9:15 a.m.
YOW
-
SYD
25h 04m2 stops
United Airlines Logo
10:20 a.m. - 9:11 a.m.
SYD
-
YOW
36h 51m2 stops
C$ 1,471United Airlines
Mon, 23 Mar - Mon, 27 Apr

Air Canada flights from Ottawa to Sydney

Our best Air Canada deals on Ottawa to Sydney flight tickets
Air Canada
2 Mar
YOW5:50 p.m.Ottawa
23h 45m
1 stop
SYD9:35 a.m.Sydney Kingsford Smith
30 Mar
SYD10:20 a.m.Sydney Kingsford Smith
35h 25m
1 stop
YOW6:45 a.m.Ottawa
C$ 1,435
Find similar
Air Canada
13 Apr
YOW6:00 p.m.Ottawa
23h 20m
1 stop
SYD7:20 a.m.Sydney Kingsford Smith
25 May
SYD9:20 a.m.Sydney Kingsford Smith
43h 57m
2 stops
YOW3:17 p.m.Ottawa
C$ 1,436
Find similar
Air Canada
11 Apr
YOW8:05 p.m.Ottawa
45h 15m
2 stops
SYD7:20 a.m.Sydney Kingsford Smith
27 May
SYD9:20 a.m.Sydney Kingsford Smith
36h 59m
1 stop
YOW8:19 a.m.Ottawa
C$ 1,440
Find similar

United Airlines flights from Ottawa to Sydney

Our best United Airlines deals on Ottawa to Sydney flight tickets
United Airlines
31 Jan
YOW7:27 p.m.Ottawa
43h 33m
2 stops
SYD7:00 a.m.Sydney Kingsford Smith
9 Mar
SYD11:50 a.m.Sydney Kingsford Smith
24h 28m
2 stops
YOW9:18 p.m.Ottawa
C$ 1,467
Find similar
United Airlines
16 Feb
YOW11:10 a.m.Ottawa
29h 55m
2 stops
SYD9:05 a.m.Sydney Kingsford Smith
9 Mar
SYD10:20 a.m.Sydney Kingsford Smith
25h 58m
2 stops
YOW9:18 p.m.Ottawa
C$ 1,468
Find similar
United Airlines
28 Jan
YOW9:45 a.m.Ottawa
31h 20m
2 stops
SYD9:05 a.m.Sydney Kingsford Smith
15 Feb
SYD12:10 p.m.Sydney Kingsford Smith
27h 44m
2 stops
YOW11:54 p.m.Ottawa
C$ 1,469
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 December 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

Mon 2/3

5:50 p.m.-9:35 a.m.

1 stop23h 45m

Sydney Kingsford Smith

Mon 30/3

10:20 a.m.-6:45 a.m.

1 stop35h 25m

C$ 1,435

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 13/4

6:00 p.m.-7:20 a.m.

1 stop23h 20m

Sydney Kingsford Smith

Mon 25/5

9:20 a.m.-3:17 p.m.

2 stops43h 57m

C$ 1,436

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 11/4

8:05 p.m.-7:20 a.m.

2 stops45h 15m

Sydney Kingsford Smith

Wed 27/5

9:20 a.m.-8:19 a.m.

1 stop36h 59m

C$ 1,440

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 2/3

12:00 p.m.-9:35 a.m.

2 stops29h 35m

Sydney Kingsford Smith

Mon 30/3

10:20 a.m.-6:45 a.m.

1 stop35h 25m

C$ 1,444

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 2/3

12:00 p.m.-9:35 a.m.

2 stops29h 35m

Sydney Kingsford Smith

Mon 30/3

10:20 a.m.-10:06 a.m.

2 stops38h 46m

C$ 1,457

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 15/4

5:45 a.m.-7:20 a.m.

2 stops35h 35m

Sydney Kingsford Smith

Mon 25/5

7:00 a.m.-8:49 p.m.

2 stops27h 49m

C$ 1,461

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 31/1

7:27 p.m.-7:00 a.m.

2 stops43h 33m

Sydney Kingsford Smith

Mon 9/3

11:50 a.m.-9:18 p.m.

2 stops24h 28m

C$ 1,467

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 16/2

11:10 a.m.-9:05 a.m.

2 stops29h 55m

Sydney Kingsford Smith

Tue 3/3

12:10 p.m.-9:18 p.m.

2 stops25h 08m

C$ 1,468

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 28/1

9:45 a.m.-9:05 a.m.

2 stops31h 20m

Sydney Kingsford Smith

Sun 15/2

12:10 p.m.-11:54 p.m.

2 stops27h 44m

C$ 1,469

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 23/3

5:11 p.m.-9:15 a.m.

2 stops25h 04m

Sydney Kingsford Smith

Mon 27/4

10:20 a.m.-9:11 a.m.

2 stops36h 51m

C$ 1,471

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 April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of C$ 2,169.

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$ 2,247. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around C$ 2,553.

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$ 2,052. In contrast, the most expensive time of day to depart to Sydney is at noon when prices are around C$ 2,874.

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$ 2,290 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$ 2,015 on momondo.

Can stopping save me money on Ottawa to Sydney flights?

You could potentially save up to 15% 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

Fastest flight time

25h 50m

Direct flights

None
The fastest flight from Ottawa to Sydney takes 25h 50m
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 20m.

  • 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$ 1,745Free CancellationRating
8.0
544 reviews
Search Air New Zealand flights
Air CanadaPriceFrom C$ 1,826Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 1,860Free CancellationRating
7.4
9,066 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

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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
Air New Zealand
Porter Airlines
WestJet
Delta
Qatar Airways
Qantas Airways