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Cheap flights from Ottawa to Sydney from C$ 752

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 29/4. 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
1 adult, Economy, 0 bags

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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.
United Airlines Logo
10:37 a.m. - 6:55 a.m.
YOW
-
SYD
30h 18m
2 stops
United Airlines Logo
10:20 a.m. - 9:56 a.m.
SYD
-
YOW
37h 36m
2 stops
C$ 1,790United Airlines
Sun, 16 Aug - Mon, 31 Aug
United Airlines Logo
2:48 p.m. - 7:00 a.m.
YOW
-
SYD
26h 12m
2 stops
United Airlines Logo
10:20 a.m. - 9:56 a.m.
SYD
-
YOW
37h 36m
2 stops
C$ 1,802United Airlines
Sun, 16 Aug - Mon, 31 Aug
United Airlines Logo
2:40 p.m. - 7:00 a.m.
YOW
-
SYD
26h 20m
2 stops
United Airlines Logo
9:30 a.m. - 11:54 p.m.
SYD
-
YOW
28h 24m
2 stops
C$ 1,803United Airlines
Sun, 5 Apr - Mon, 20 Apr
United Airlines Logo
10:44 a.m. - 7:00 a.m.
YOW
-
SYD
30h 16m
2 stops
United Airlines Logo
9:30 a.m. - 9:35 p.m.
SYD
-
YOW
26h 05m
2 stops
C$ 1,806United Airlines
Sun, 26 Apr - Sun, 3 May
United Airlines Logo
10:44 a.m. - 7:00 a.m.
YOW
-
SYD
30h 16m
2 stops
United Airlines Logo
9:30 a.m. - 11:54 p.m.
SYD
-
YOW
28h 24m
2 stops
C$ 1,811United Airlines
Sun, 5 Apr - Mon, 20 Apr
United Airlines Logo
2:48 p.m. - 7:00 a.m.
YOW
-
SYD
26h 12m
2 stops
United Airlines Logo
10:20 a.m. - 9:56 a.m.
SYD
-
YOW
37h 36m
2 stops
C$ 1,816United Airlines
Sun, 16 Aug - Mon, 31 Aug
United Airlines Logo
3:10 p.m. - 7:00 a.m.
YOW
-
SYD
25h 50m
2 stops
United Airlines Logo
9:30 a.m. - 9:35 p.m.
SYD
-
YOW
26h 05m
2 stops
C$ 1,822United Airlines
Wed, 5 Aug - Wed, 19 Aug
United Airlines Logo
3:10 p.m. - 7:00 a.m.
YOW
-
SYD
25h 50m
2 stops
United Airlines Logo
9:30 a.m. - 11:54 p.m.
SYD
-
YOW
28h 24m
2 stops
C$ 1,840United Airlines
Wed, 27 May - Wed, 10 Jun
United Airlines Logo
5:25 p.m. - 6:55 a.m.
YOW
-
SYD
47h 30m
2 stops
United Airlines Logo
9:30 a.m. - 9:35 p.m.
SYD
-
YOW
26h 05m
2 stops
C$ 1,842United Airlines
Sat, 4 Apr - Sat, 25 Apr
United Airlines Logo
10:44 a.m. - 8:00 a.m.
YOW
-
SYD
30h 16m
2 stops
United Airlines Logo
10:20 a.m. - 6:55 p.m.
SYD
-
YOW
46h 35m
2 stops
C$ 1,843United Airlines
Sun, 29 Mar - Fri, 17 Apr

Qantas Airways flights from Ottawa to Sydney

Our best Qantas Airways deals on Ottawa to Sydney flight tickets
Qantas Airways
29 Apr
YOW7:20 a.m.Ottawa
57h 15m
2 stops
SYD6:35 a.m.Sydney Kingsford Smith
6 May
SYD5:50 p.m.Sydney Kingsford Smith
25h 45m
2 stops
YOW5:35 a.m.Ottawa
C$ 1,920
Qantas Airways
30 Apr
YOW7:20 a.m.Ottawa
33h 15m
2 stops
SYD6:35 a.m.Sydney Kingsford Smith
7 May
SYD5:50 p.m.Sydney Kingsford Smith
25h 45m
2 stops
YOW5:35 a.m.Ottawa
C$ 1,959
Qantas Airways
18 Mar
YOW7:45 a.m.Ottawa
31h 50m
1 stop
SYD6:35 a.m.Sydney Kingsford Smith
25 Mar
SYD1:05 p.m.Sydney Kingsford Smith
34h 13m
2 stops
YOW8:18 a.m.Ottawa
C$ 3,416

United Airlines flights from Ottawa to Sydney

Our best United Airlines deals on Ottawa to Sydney flight tickets
United Airlines
16 Aug
YOW10:37 a.m.Ottawa
30h 18m
2 stops
SYD6:55 a.m.Sydney Kingsford Smith
31 Aug
SYD10:20 a.m.Sydney Kingsford Smith
37h 36m
2 stops
YOW9:56 a.m.Ottawa
C$ 1,790
United Airlines
16 Aug
YOW2:48 p.m.Ottawa
26h 12m
2 stops
SYD7:00 a.m.Sydney Kingsford Smith
31 Aug
SYD10:20 a.m.Sydney Kingsford Smith
37h 36m
2 stops
YOW9:56 a.m.Ottawa
C$ 1,802
United Airlines
5 Apr
YOW2:40 p.m.Ottawa
26h 20m
2 stops
SYD7:00 a.m.Sydney Kingsford Smith
20 Apr
SYD9:30 a.m.Sydney Kingsford Smith
28h 24m
2 stops
YOW11:54 p.m.Ottawa
C$ 1,803

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 17 March 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

Cheapest round-trip

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 16/8

10:37 a.m.-6:55 a.m.

2 stops30h 18m

Sydney Kingsford Smith

Mon 31/8

10:20 a.m.-9:56 a.m.

2 stops37h 36m

C$ 1,790

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 16/8

2:48 p.m.-7:00 a.m.

2 stops26h 12m

Sydney Kingsford Smith

Mon 31/8

10:20 a.m.-9:56 a.m.

2 stops37h 36m

C$ 1,802

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 5/4

2:40 p.m.-7:00 a.m.

2 stops26h 20m

Sydney Kingsford Smith

Mon 20/4

9:30 a.m.-11:54 p.m.

2 stops28h 24m

C$ 1,803

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 26/4

10:44 a.m.-7:00 a.m.

2 stops30h 16m

Sydney Kingsford Smith

Sun 3/5

9:30 a.m.-9:35 p.m.

2 stops26h 05m

C$ 1,806

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 5/4

10:44 a.m.-7:00 a.m.

2 stops30h 16m

Sydney Kingsford Smith

Mon 20/4

9:30 a.m.-11:54 p.m.

2 stops28h 24m

C$ 1,811

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 16/8

2:48 p.m.-7:00 a.m.

2 stops26h 12m

Sydney Kingsford Smith

Mon 31/8

10:20 a.m.-9:56 a.m.

2 stops37h 36m

C$ 1,816
Quickest round-trip

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 5/8

3:10 p.m.-7:00 a.m.

2 stops25h 50m

Sydney Kingsford Smith

Wed 19/8

9:30 a.m.-9:35 p.m.

2 stops26h 05m

C$ 1,822

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 27/5

3:10 p.m.-7:00 a.m.

2 stops25h 50m

Sydney Kingsford Smith

Wed 10/6

9:30 a.m.-11:54 p.m.

2 stops28h 24m

C$ 1,840

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sat 4/4

5:25 p.m.-6:55 a.m.

2 stops47h 30m

Sydney Kingsford Smith

Sat 25/4

9:30 a.m.-9:35 p.m.

2 stops26h 05m

C$ 1,842

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 29/3

10:44 a.m.-8:00 a.m.

2 stops30h 16m

Sydney Kingsford Smith

Fri 17/4

10:20 a.m.-6:55 p.m.

2 stops46h 35m

C$ 1,843

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 May is also cheap. Prices for this month can be found on momondo for an average of C$ 2,128.

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$ 2,278 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$ 1,988 on momondo.

Can stopping save me money on Ottawa to Sydney flights?

You could potentially save up to 41% 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 March 2026, prices for Ottawa to Sydney flights are approximately 11% 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

26h 15m

Direct flights

None
The fastest flight from Ottawa to Sydney takes 26h 15m
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 26h 15m.

  • 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 CanadaPriceFrom C$ 1,769Free CancellationRating
7.1
10,811 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 1,773Free CancellationRating
7.4
9,431 reviews
Search United Airlines flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
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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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
Qatar Airways
Qantas Airways
Porter Airlines
WestJet
Fiji Airways