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$1,089 Cheap flights to Ottawa

1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Australia to Ottawa

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:20 - 22:10SYD  Sydney Kingsford Smith-YOW Ottawa
26h 50m3 stops Vancouver Intl Newark Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
10:35 - 09:35YOW  Ottawa-SYD Sydney Kingsford Smith
31h 00m2 stops Newark Toronto Pearson Intl
$1,967Multiple Airlines
Mon, 19 Oct - Tue, 3 Nov
Multiple Airlines Logo
14:15 - 05:35SYD  Sydney Kingsford Smith-YOW Ottawa
30h 20m3 stops Nadi Los Angeles Calgary
Multiple Airlines Logo
06:10 - 12:35YOW  Ottawa-SYD Sydney Kingsford Smith
39h 25m3 stops Calgary Los Angeles Nadi
$1,974Multiple Airlines
Mon, 19 Oct - Mon, 26 Oct
Multiple Airlines Logo
21:10 - 19:30SYD  Sydney Kingsford Smith-YOW Ottawa
38h 20m2 stops Doha Hamad Intl Toronto Pearson Intl
Multiple Airlines Logo
10:50 - 19:20YOW  Ottawa-SYD Sydney Kingsford Smith
40h 30m2 stops Montreal Pierre Elliott Trudeau Intl Doha Hamad Intl
$2,002Multiple Airlines
Tue, 2 Feb - Sun, 28 Feb
Multiple Airlines Logo
10:20 - 22:35SYD  Sydney Kingsford Smith-YOW Ottawa
27h 15m2 stops Vancouver Intl Newark
Multiple Airlines Logo
10:35 - 09:35YOW  Ottawa-SYD Sydney Kingsford Smith
31h 00m2 stops Newark Toronto Pearson Intl
$2,042Multiple Airlines
Mon, 19 Oct - Tue, 3 Nov
Air Canada Logo
10:45 - 16:20BNE  Brisbane-YOW Ottawa
44h 35m2 stops Vancouver Intl London Heathrow
Air Canada Logo
17:40 - 08:45YOW  Ottawa-BNE Brisbane
24h 05m1 stop Vancouver Intl
$2,084Air Canada
Wed, 4 Nov - Wed, 11 Nov
Air Canada Logo
10:20 - 22:10SYD  Sydney Kingsford Smith-YOW Ottawa
26h 50m3 stops Vancouver Intl Newark Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
05:45 - 09:35YOW  Ottawa-SYD Sydney Kingsford Smith
35h 50m3 stops Montreal Pierre Elliott Trudeau Intl Newark Toronto Pearson Intl
$2,088Air Canada
Mon, 19 Oct - Tue, 3 Nov
Air Canada Logo
07:00 - 17:08MEL  Melbourne-YOW Ottawa
25h 08m2 stops Sydney Kingsford Smith Vancouver Intl
Air Canada Logo
17:40 - 13:35YOW  Ottawa-MEL Melbourne
28h 55m2 stops Vancouver Intl Sydney Kingsford Smith
$2,272Air Canada
Tue, 20 Oct - Tue, 27 Oct
Air Canada Logo
07:00 - 21:20MEL  Melbourne-YOW Ottawa
29h 20m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
Air Canada Logo
17:40 - 13:35YOW  Ottawa-MEL Melbourne
28h 55m2 stops Vancouver Intl Sydney Kingsford Smith
$2,283Air Canada
Tue, 20 Oct - Tue, 27 Oct
United Airlines Logo
11:45 - 21:56MEL  Melbourne-YOW Ottawa
25h 11m2 stops San Francisco Newark
United Airlines Logo
16:10 - 10:30YOW  Ottawa-MEL Melbourne
51h 20m2 stops Toronto Pearson Intl San Francisco
$3,204United Airlines
Tue, 27 Oct - Sat, 31 Oct
United Airlines Logo
11:45 - 21:56MEL  Melbourne-YOW Ottawa
25h 11m2 stops San Francisco Newark
United Airlines Logo
16:10 - 10:30YOW  Ottawa-MEL Melbourne
51h 20m2 stops Toronto Pearson Intl San Francisco
$3,212United Airlines
Tue, 27 Oct - Sat, 31 Oct

momondo Fare Finder

 
Use the filters below to find and compare flights to Ottawa that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Mon 19/10

10:20-22:10

3 stops26h 50m

Ottawa

Tue 3/11

10:35-09:35

2 stops31h 00m

$1,967

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Mon 19/10

14:15-05:35

3 stops30h 20m

Ottawa

Mon 26/10

06:10-12:35

3 stops39h 25m

$1,974

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Tue 2/2

21:10-19:30

2 stops38h 20m

Ottawa

Sun 28/2

10:50-19:20

2 stops40h 30m

$2,002

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Mon 19/10

10:20-22:35

2 stops27h 15m

Ottawa

Tue 3/11

10:35-09:35

2 stops31h 00m

$2,042

BrisbaneOttawa

BNE Brisbane - YOW Ottawa

BNEYOW

Brisbane

Wed 4/11

10:45-16:20

2 stops44h 35m

Ottawa

Wed 11/11

17:40-08:45

1 stop24h 05m

$2,084

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Mon 19/10

10:20-22:10

3 stops26h 50m

Ottawa

Tue 3/11

05:45-09:35

3 stops35h 50m

$2,088
Fastest return journey

MelbourneOttawa

MEL Melbourne - YOW Ottawa

MELYOW

Melbourne

Tue 20/10

07:00-17:08

2 stops25h 08m

Ottawa

Tue 27/10

17:40-13:35

2 stops28h 55m

$2,272

MelbourneOttawa

MEL Melbourne - YOW Ottawa

MELYOW

Melbourne

Tue 20/10

07:00-21:20

3 stops29h 20m

Ottawa

Tue 27/10

17:40-13:35

2 stops28h 55m

$2,283

MelbourneOttawa

MEL Melbourne - YOW Ottawa

MELYOW

Melbourne

Tue 27/10

11:45-21:56

2 stops25h 11m

Ottawa

Sat 31/10

16:10-10:30

2 stops51h 20m

$3,204

MelbourneOttawa

MEL Melbourne - YOW Ottawa

MELYOW

Melbourne

Tue 27/10

11:45-21:56

2 stops25h 11m

Ottawa

Sat 31/10

16:10-10:30

2 stops51h 20m

$3,212

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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Ottawa flights insights and trends

Explore insights for your Ottawa flight to craft the best travel plan

What is the cheapest month to fly to Ottawa?

The month of February is, on average, the cheapest month to fly to Ottawa from Australia, with most prices found around $1,569. If you don’t want to visit Ottawa in February, then you should wait until May to fly from Australia, when ticket prices are also cheap, with an average price of $1,664.

Cheapest flights to Ottawa

Find the cheapest flights to Ottawa from your nearest city or airport
Find flights from Sydney to Ottawa
CHEAPEST MONTH TO FLY TO OTTAWA FROM SYDNEYFebruary36% cheaperFlying from Sydney to Ottawa costs on average just $1,569 in February
MOST EXPENSIVE MONTH TO FLY TO OTTAWA FROM SYDNEYDecember34% more expensiveIt costs about $3,270 for flights to Ottawa from Sydney in December
MOST POPULAR MONTH TO FLY TO OTTAWA FROM SYDNEYSeptember571% more users visitedMore momondo users searched in flights to Ottawa from Sydney in September than any other month

Cheap Ottawa flight deals and tips

Summary info about Ottawa flight prices, duration and airlines

Best One-Way Price

$1,089

Best Round-Trip Price

$1,967

Fastest flight time

27h 39m

Popular in

October
The best one-way flight price to Ottawa from Australia in the last 5 days is $1,089 (Perth to Ottawa).
Search Deals
The best return flight price to Ottawa from Australia in the last 5 days is $1,967 (Sydney Kingsford Smith to Ottawa).
Search Deals
The fastest flight to Ottawa from Australia takes 27h 39m (Melbourne to Ottawa).
Search Deals
October has the highest demand for flights to Ottawa, with a 6% price increase on average.
Search Deals

Frequently asked questions about flying to Ottawa

Is there an alternative airport near Ottawa?

Finding an alternative and possibly cheaper destination airport near Ottawa is possible. If you are planning a flight to Ottawa, consider booking flights to Ottawa Airport (11 km from Ottawa city centre), Mont Tremblant Intl Airport (131 km from Ottawa city centre) or Kingston Airport (150 km from Ottawa city centre).

Is there a cheaper alternative to flying into Ottawa?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Ottawa is Ottawa Airport where the average price is $428. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to Ottawa?

Users booking trips to Ottawa from New York found flights 53% cheaper than the average price of flights to Ottawa. To find the cheapest price to Ottawa from your area, use momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Ottawa Airport?

Prices for flights to Ottawa Airport are updated daily.

How many operators does momondo search for flights to Ottawa Airport?

As of September 2026, there are 2 operators available to choose from for flights to Ottawa Airport.

How old do you have to be to fly to Ottawa 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 to Ottawa Airport.

What documentation or ID do you need to fly to Ottawa Airport?

The travel and health documents you'll need for your trip to Ottawa 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 licence and a passport that is valid for six months after your intended arrival at Ottawa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Ottawa. Millions of users trust and use momondo every year so you are in good company.

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

Yes. momondo allows you to filter the results for flights to Ottawa to just show those with flexible booking policies.

How can momondo help me find flights to Ottawa?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Ottawa.

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

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

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Find better results for your trip to Ottawa

Popular Flights to Ottawa

Sydney Kingsford Smith to Ottawa Flightsfrom $1,427
Brisbane to Ottawa Flightsfrom $1,497
Perth to Ottawa Flightsfrom $1,580
Melbourne to Ottawa Flightsfrom $1,550
Canberra to Ottawa Flightsfrom $1,995