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$964 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
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
$1,919Multiple Airlines
Sat, 24 Oct - Sat, 31 Oct
Multiple Airlines Logo
14:00 - 00:01SYD  Sydney Kingsford Smith-YOW Ottawa
50h 01m3 stops Nadi Los Angeles Calgary
Multiple Airlines Logo
06:10 - 12:35YOW  Ottawa-SYD Sydney Kingsford Smith
38h 25m3 stops Calgary Los Angeles Nadi
$2,009Multiple Airlines
Wed, 4 Nov - Sun, 6 Dec
Multiple Airlines Logo
14:00 - 00:01SYD  Sydney Kingsford Smith-YOW Ottawa
50h 01m3 stops Nadi Los Angeles Calgary
Multiple Airlines Logo
06:10 - 12:35YOW  Ottawa-SYD Sydney Kingsford Smith
38h 25m3 stops Calgary Los Angeles Nadi
$2,118Multiple Airlines
Fri, 6 Nov - Wed, 2 Dec
Multiple Airlines Logo
18:50 - 05:35SYD  Sydney Kingsford Smith-YOW Ottawa
25h 45m2 stops Los Angeles Calgary
Multiple Airlines Logo
06:10 - 06:25YOW  Ottawa-SYD Sydney Kingsford Smith
33h 15m3 stops Calgary Edmonton Los Angeles
$2,162Multiple Airlines
Thu, 22 Oct - Thu, 29 Oct
Air Canada Logo
11:20 - 00:56SYD  Sydney Kingsford Smith-YOW Ottawa
29h 36m1 stop Vancouver Intl
Air Canada Logo
17:40 - 09:35YOW  Ottawa-SYD Sydney Kingsford Smith
23h 55m1 stop Vancouver Intl
$2,309Air Canada
Wed, 4 Nov - Sun, 6 Dec
Air Canada Logo
11:20 - 19:47SYD  Sydney Kingsford Smith-YOW Ottawa
24h 27m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
07:45 - 09:35YOW  Ottawa-SYD Sydney Kingsford Smith
33h 50m1 stop Vancouver Intl
$2,312Air Canada
Wed, 4 Nov - Sun, 6 Dec
Air Canada Logo
10:45 - 23:11BNE  Brisbane-YOW Ottawa
27h 26m2 stops Vancouver Intl Calgary
Air Canada Logo
17:40 - 08:45YOW  Ottawa-BNE Brisbane
24h 05m1 stop Vancouver Intl
$2,313Air Canada
Mon, 9 Nov - Mon, 16 Nov
United Airlines Logo
11:55 - 14:22MEL  Melbourne-YOW Ottawa
41h 27m2 stops San Francisco Washington, D.C. Reagan-National
United Airlines Logo
10:30 - 10:30YOW  Ottawa-MEL Melbourne
32h 00m2 stops Washington, D.C. Reagan-National San Francisco
$3,200United Airlines
Mon, 19 Oct - Mon, 2 Nov
United Airlines Logo
11:55 - 14:22MEL  Melbourne-YOW Ottawa
41h 27m2 stops San Francisco Washington, D.C. Reagan-National
United Airlines Logo
10:30 - 10:30YOW  Ottawa-MEL Melbourne
32h 00m3 stops Washington, D.C. Reagan-National Houston George Bush Intcntl San Francisco
$3,200United Airlines
Mon, 19 Oct - Mon, 2 Nov
United Airlines Logo
10:30 - 18:55MEL  Melbourne-YOW Ottawa
23h 25m2 stops Los Angeles Washington, D.C. Dulles Intl
United Airlines Logo
14:00 - 09:30YOW  Ottawa-MEL Melbourne
27h 30m2 stops Washington, D.C. Dulles Intl Los Angeles
$3,285United Airlines
Fri, 16 Oct - Mon, 2 Nov

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

Sat 24/10

14:15-05:35

3 stops30h 20m

Ottawa

Sat 31/10

06:10-12:35

3 stops39h 25m

$1,919

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Wed 4/11

14:00-00:01

3 stops50h 01m

Ottawa

Sun 6/12

06:10-12:35

3 stops38h 25m

$2,009

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Fri 6/11

14:00-00:01

3 stops50h 01m

Ottawa

Wed 2/12

06:10-12:35

3 stops38h 25m

$2,118

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Thu 22/10

18:50-05:35

2 stops25h 45m

Ottawa

Thu 29/10

06:10-06:25

3 stops33h 15m

$2,162

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Wed 4/11

11:20-00:56

1 stop29h 36m

Ottawa

Sun 6/12

17:40-09:35

1 stop23h 55m

$2,309

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Wed 4/11

11:20-19:47

2 stops24h 27m

Ottawa

Sun 6/12

07:45-09:35

1 stop33h 50m

$2,312

BrisbaneOttawa

BNE Brisbane - YOW Ottawa

BNEYOW

Brisbane

Mon 9/11

10:45-23:11

2 stops27h 26m

Ottawa

Mon 16/11

17:40-08:45

1 stop24h 05m

$2,313

MelbourneOttawa

MEL Melbourne - YOW Ottawa

MELYOW

Melbourne

Mon 19/10

11:55-14:22

2 stops41h 27m

Ottawa

Mon 2/11

10:30-10:30

2 stops32h 00m

$3,200

MelbourneOttawa

MEL Melbourne - YOW Ottawa

MELYOW

Melbourne

Mon 19/10

11:55-14:22

2 stops41h 27m

Ottawa

Mon 2/11

10:30-10:30

3 stops32h 00m

$3,200
Fastest return journey

MelbourneOttawa

MEL Melbourne - YOW Ottawa

MELYOW

Melbourne

Fri 16/10

10:30-18:55

2 stops23h 25m

Ottawa

Mon 2/11

14:00-09:30

2 stops27h 30m

$3,285

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 $1,591. 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 $1,688.

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 $1,591 in February
MOST EXPENSIVE MONTH TO FLY TO OTTAWA FROM SYDNEYDecember37% more expensiveIt costs about $3,431 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

$1,002

Best Round-Trip Price

$1,919

Fastest flight time

28h 31m

Popular in

June
The best one-way flight price to Ottawa from Australia in the last 5 days is $1,002 (Perth to Ottawa).
Search Deals
The best return flight price to Ottawa from Australia in the last 5 days is $1,919 (Sydney Kingsford Smith to Ottawa).
Search Deals
The fastest flight to Ottawa from Australia takes 28h 31m (Melbourne to Ottawa).
Search Deals
June has the highest demand for flights to Ottawa, with a 12% 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 $466. 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 62% 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 $1,553
Brisbane to Ottawa Flightsfrom $1,772
Perth to Ottawa Flightsfrom $2,705
Melbourne to Ottawa Flightsfrom $1,784
Canberra to Ottawa Flightsfrom $1,995