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$815 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

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Multiple Airlines Logo
11:20 - 00:37SYD  Sydney Kingsford Smith-YOW Ottawa
29h 17m2 stops Los Angeles Toronto Pearson Intl
Multiple Airlines Logo
07:00 - 09:05YOW  Ottawa-SYD Sydney Kingsford Smith
34h 05m2 stops Toronto Pearson Intl Los Angeles
$2,048Multiple Airlines
Wed, 25 Nov - Wed, 2 Dec
Multiple Airlines Logo
22:10 - 23:09SYD  Sydney Kingsford Smith-YOW Ottawa
40h 59m2 stops Doha Hamad Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
09:10 - 18:20YOW  Ottawa-SYD Sydney Kingsford Smith
42h 10m2 stops Toronto Pearson Intl Doha Hamad Intl
$2,089Multiple Airlines
Mon, 22 Feb - Tue, 16 Mar
Multiple Airlines Logo
11:30 - 00:37MEL  Melbourne-YOW Ottawa
29h 07m2 stops Los Angeles Toronto Pearson Intl
Multiple Airlines Logo
07:00 - 09:30YOW  Ottawa-MEL Melbourne
34h 30m2 stops Toronto Pearson Intl Los Angeles
$2,147Multiple Airlines
Wed, 25 Nov - Wed, 2 Dec
Multiple Airlines Logo
22:10 - 21:50SYD  Sydney Kingsford Smith-YOW Ottawa
39h 40m2 stops Doha Hamad Intl Toronto Pearson Intl
Multiple Airlines Logo
14:55 - 18:20YOW  Ottawa-SYD Sydney Kingsford Smith
35h 25m2 stops Montreal Pierre Elliott Trudeau Intl Doha Hamad Intl
$2,183Multiple Airlines
Fri, 20 Nov - Tue, 9 Mar
Multiple Airlines Logo
22:10 - 21:50SYD  Sydney Kingsford Smith-YOW Ottawa
39h 40m2 stops Doha Hamad Intl Toronto Pearson Intl
Multiple Airlines Logo
14:55 - 18:20YOW  Ottawa-SYD Sydney Kingsford Smith
35h 25m2 stops Montreal Pierre Elliott Trudeau Intl Doha Hamad Intl
$2,184Multiple Airlines
Fri, 20 Nov - Tue, 9 Mar
Multiple Airlines Logo
22:10 - 21:50SYD  Sydney Kingsford Smith-YOW Ottawa
39h 40m2 stops Doha Hamad Intl Toronto Pearson Intl
Multiple Airlines Logo
14:00 - 18:20YOW  Ottawa-SYD Sydney Kingsford Smith
36h 20m2 stops Toronto Pearson Intl Doha Hamad Intl
$2,187Multiple Airlines
Fri, 20 Nov - Tue, 9 Mar
Multiple Airlines Logo
15:50 - 11:37SYD  Sydney Kingsford Smith-YOW Ottawa
59h 47m2 stops Doha Hamad Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
12:10 - 18:20YOW  Ottawa-SYD Sydney Kingsford Smith
38h 10m2 stops Toronto Pearson Intl Doha Hamad Intl
$2,196Multiple Airlines
Fri, 20 Nov - Tue, 9 Mar
Multiple Airlines Logo
11:35 - 23:40BNE  Brisbane-YOW Ottawa
51h 05m3 stops Manila Ninoy Aquino Intl Vancouver Intl Calgary
Multiple Airlines Logo
06:10 - 10:15YOW  Ottawa-BNE Brisbane
61h 05m3 stops Calgary Vancouver Intl Manila Ninoy Aquino Intl
$2,211Multiple Airlines
Tue, 2 Mar - Tue, 9 Mar
Air Canada Logo
11:20 - 01:40SYD  Sydney Kingsford Smith-YOW Ottawa
30h 20m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
17:40 - 08:35YOW  Ottawa-SYD Sydney Kingsford Smith
23h 55m1 stop Vancouver Intl
$2,470Air Canada
Mon, 22 Feb - Tue, 16 Mar
Air Canada Logo
11:20 - 09:40SYD  Sydney Kingsford Smith-YOW Ottawa
38h 20m2 stops Vancouver Intl Winnipeg
Air Canada Logo
07:45 - 06:55YOW  Ottawa-SYD Sydney Kingsford Smith
31h 10m1 stop Vancouver Intl
$2,523Air Canada
Tue, 24 Nov - Tue, 1 Dec

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

Wed 25/11

11:20-00:37

2 stops29h 17m

Ottawa

Wed 2/12

07:00-09:05

2 stops34h 05m

$2,048

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Mon 22/2

22:10-23:09

2 stops40h 59m

Ottawa

Tue 16/3

09:10-18:20

2 stops42h 10m

$2,089

MelbourneOttawa

MEL Melbourne - YOW Ottawa

MELYOW

Melbourne

Wed 25/11

11:30-00:37

2 stops29h 07m

Ottawa

Wed 2/12

07:00-09:30

2 stops34h 30m

$2,147

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Fri 20/11

22:10-21:50

2 stops39h 40m

Ottawa

Tue 9/3

14:55-18:20

2 stops35h 25m

$2,183

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Fri 20/11

22:10-21:50

2 stops39h 40m

Ottawa

Tue 9/3

14:55-18:20

2 stops35h 25m

$2,184

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Fri 20/11

22:10-21:50

2 stops39h 40m

Ottawa

Tue 9/3

14:00-18:20

2 stops36h 20m

$2,187

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Fri 20/11

15:50-11:37

2 stops59h 47m

Ottawa

Tue 9/3

12:10-18:20

2 stops38h 10m

$2,196

BrisbaneOttawa

BNE Brisbane - YOW Ottawa

BNEYOW

Brisbane

Tue 2/3

11:35-23:40

3 stops51h 05m

Ottawa

Tue 9/3

06:10-10:15

3 stops61h 05m

$2,211
Fastest return journey

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Mon 22/2

11:20-01:40

2 stops30h 20m

Ottawa

Tue 16/3

17:40-08:35

1 stop23h 55m

$2,470

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Tue 24/11

11:20-09:40

2 stops38h 20m

Ottawa

Tue 1/12

07:45-06:55

1 stop31h 10m

$2,523

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 $1,590. 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 $1,687.

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 SYDNEYFebruary37% cheaperFlying from Sydney to Ottawa costs on average just $1,590 in February
MOST EXPENSIVE MONTH TO FLY TO OTTAWA FROM SYDNEYDecember30% more expensiveIt costs about $3,288 for flights to Ottawa from Sydney in December
MOST POPULAR MONTH TO FLY TO OTTAWA FROM SYDNEYSeptember528% 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

$815

Best Round-Trip Price

$2,048

Fastest flight time

45h 50m

Popular in

October
The best one-way flight price to Ottawa from Australia in the last 5 days is $815 (Melbourne to Ottawa).
Search Deals
The best return flight price to Ottawa from Australia in the last 5 days is $2,048 (Sydney Kingsford Smith to Ottawa).
Search Deals
The fastest flight to Ottawa from Australia takes 45h 50m (Adelaide to Ottawa).
Search Deals
October has the highest demand for flights to Ottawa, with a 8% 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 $435. 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 Calgary found flights 52% 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 October 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

Melbourne to Ottawa Flightsfrom $1,828
Sydney Kingsford Smith to Ottawa Flightsfrom $1,544
Brisbane to Ottawa Flightsfrom $1,555
Perth to Ottawa Flightsfrom $2,841
Canberra to Ottawa Flightsfrom $2,159