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$1,039 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
06:05 - 05:35SYD  Sydney Kingsford Smith-YOW Ottawa
38h 30m3 stops Nadi Los Angeles Calgary
Multiple Airlines Logo
07:20 - 22:25YOW  Ottawa-SYD Sydney Kingsford Smith
48h 05m3 stops Calgary Los Angeles Nadi
$1,657Multiple Airlines
Wed, 7 Oct - Sun, 18 Oct
Multiple Airlines Logo
10:30 - 05:35SYD  Sydney Kingsford Smith-YOW Ottawa
34h 05m2 stops Los Angeles Calgary
Multiple Airlines Logo
05:30 - 09:05YOW  Ottawa-SYD Sydney Kingsford Smith
35h 35m3 stops Toronto Pearson Intl Calgary Los Angeles
$1,864Multiple Airlines
Mon, 19 Oct - Tue, 3 Nov
Multiple Airlines Logo
10:30 - 05:35SYD  Sydney Kingsford Smith-YOW Ottawa
34h 05m2 stops Los Angeles Calgary
Multiple Airlines Logo
06:10 - 09:05YOW  Ottawa-SYD Sydney Kingsford Smith
34h 55m2 stops Calgary Los Angeles
$1,888Multiple Airlines
Mon, 19 Oct - Tue, 3 Nov
Multiple Airlines Logo
11:20 - 05:35SYD  Sydney Kingsford Smith-YOW Ottawa
33h 15m3 stops San Francisco Los Angeles Calgary
Multiple Airlines Logo
05:30 - 09:05YOW  Ottawa-SYD Sydney Kingsford Smith
35h 35m3 stops Toronto Pearson Intl Calgary Los Angeles
$1,890Multiple Airlines
Mon, 19 Oct - Tue, 3 Nov
Air Canada Logo
10:00 - 17:10BNE  Brisbane-YOW Ottawa
21h 10m2 stops Vancouver Intl Calgary
Air Canada Logo
17:40 - 07:45YOW  Ottawa-BNE Brisbane
24h 05m1 stop Vancouver Intl
$2,194Air Canada
Mon, 19 Oct - Thu, 29 Oct
Air Canada Logo
10:45 - 16:20BNE  Brisbane-YOW Ottawa
44h 35m2 stops Vancouver Intl London Heathrow
Air Canada Logo
17:45 - 07:05YOW  Ottawa-BNE Brisbane
23h 20m1 stop Vancouver Intl
$2,194Air Canada
Wed, 4 Nov - Sun, 30 May
Air Canada Logo
10:00 - 16:23BNE  Brisbane-YOW Ottawa
20h 23m1 stop Vancouver Intl
Air Canada Logo
17:40 - 07:45YOW  Ottawa-BNE Brisbane
24h 05m1 stop Vancouver Intl
$2,197Air Canada
Mon, 19 Oct - Thu, 29 Oct
United Airlines Logo
12:45 - 14:09MEL  Melbourne-YOW Ottawa
41h 24m2 stops San Francisco Chicago O'Hare Intl
United Airlines Logo
09:45 - 09:30YOW  Ottawa-MEL Melbourne
31h 45m2 stops Washington, D.C. Dulles Intl Los Angeles
$3,179United Airlines
Tue, 8 Dec - Sun, 27 Dec
United Airlines Logo
12:45 - 21:16MEL  Melbourne-YOW Ottawa
24h 31m2 stops San Francisco Chicago O'Hare Intl
United Airlines Logo
06:15 - 09:30YOW  Ottawa-MEL Melbourne
35h 15m2 stops Chicago O'Hare Intl Los Angeles
$3,179United Airlines
Mon, 7 Dec - Sun, 27 Dec
United Airlines Logo
11:30 - 21:16MEL  Melbourne-YOW Ottawa
25h 46m2 stops Los Angeles Chicago O'Hare Intl
United Airlines Logo
06:15 - 09:30YOW  Ottawa-MEL Melbourne
35h 15m2 stops Chicago O'Hare Intl Los Angeles
$3,179United Airlines
Wed, 9 Dec - Tue, 29 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 7/10

06:05-05:35

3 stops38h 30m

Ottawa

Sun 18/10

07:20-22:25

3 stops48h 05m

$1,657

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Mon 19/10

10:30-05:35

2 stops34h 05m

Ottawa

Tue 3/11

05:30-09:05

3 stops35h 35m

$1,864

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Mon 19/10

10:30-05:35

2 stops34h 05m

Ottawa

Tue 3/11

06:10-09:05

2 stops34h 55m

$1,888

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Mon 19/10

11:20-05:35

3 stops33h 15m

Ottawa

Tue 3/11

05:30-09:05

3 stops35h 35m

$1,890

BrisbaneOttawa

BNE Brisbane - YOW Ottawa

BNEYOW

Brisbane

Mon 19/10

10:00-17:10

2 stops21h 10m

Ottawa

Thu 29/10

17:40-07:45

1 stop24h 05m

$2,194

BrisbaneOttawa

BNE Brisbane - YOW Ottawa

BNEYOW

Brisbane

Wed 4/11

10:45-16:20

2 stops44h 35m

Ottawa

Sun 30/5

17:45-07:05

1 stop23h 20m

$2,194
Fastest return journey

BrisbaneOttawa

BNE Brisbane - YOW Ottawa

BNEYOW

Brisbane

Mon 19/10

10:00-16:23

1 stop20h 23m

Ottawa

Thu 29/10

17:40-07:45

1 stop24h 05m

$2,196

MelbourneOttawa

MEL Melbourne - YOW Ottawa

MELYOW

Melbourne

Tue 8/12

12:45-14:09

2 stops41h 24m

Ottawa

Sun 27/12

09:45-09:30

2 stops31h 45m

$3,179

MelbourneOttawa

MEL Melbourne - YOW Ottawa

MELYOW

Melbourne

Mon 7/12

12:45-21:16

2 stops24h 31m

Ottawa

Sun 27/12

06:15-09:30

2 stops35h 15m

$3,179

MelbourneOttawa

MEL Melbourne - YOW Ottawa

MELYOW

Melbourne

Wed 9/12

11:30-21:16

2 stops25h 46m

Ottawa

Tue 29/12

06:15-09:30

2 stops35h 15m

$3,179

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 $1,555. 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 $1,870.

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 SYDNEYFebruary35% cheaperFlying from Sydney to Ottawa costs on average just $1,555 in February
MOST EXPENSIVE MONTH TO FLY TO OTTAWA FROM SYDNEYDecember37% more expensiveIt costs about $3,241 for flights to Ottawa from Sydney in December
MOST POPULAR MONTH TO FLY TO OTTAWA FROM SYDNEYSeptember428% 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

$1,039

Best Round-Trip Price

$1,657

Fastest flight time

28h 41m

Popular in

August
The best one-way flight price to Ottawa from Australia in the last 5 days is $1,039 (Sydney Kingsford Smith to Ottawa).
Search Deals
The best return flight price to Ottawa from Australia in the last 5 days is $1,657 (Sydney Kingsford Smith to Ottawa).
Search Deals
The fastest flight to Ottawa from Australia takes 28h 41m (Sydney Kingsford Smith to Ottawa).
Search Deals
August has the highest demand for flights to Ottawa, with a 17% 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 $489. 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 Vancouver found flights 40% 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 August 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 $1,340
Melbourne to Ottawa Flightsfrom $1,911
Perth to Ottawa Flightsfrom $1,340
Brisbane to Ottawa Flightsfrom $1,744
Canberra to Ottawa Flightsfrom $2,232