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$872 Cheap flights to Ottawa

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Ottawa departing on 15/10. 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 Australia to Ottawa

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:15 - 05:35SYD  Sydney Kingsford Smith-YOW Ottawa
30h 20m3 stops Nadi Los Angeles Los Angeles Calgary
Multiple Airlines Logo
17:45 - 12:35YOW  Ottawa-SYD Sydney Kingsford Smith
51h 50m3 stops Calgary Los Angeles Los Angeles Nadi
$1,688Multiple Airlines
Tue, 6 Oct - Tue, 27 Oct
Multiple Airlines Logo
14:15 - 05:35SYD  Sydney Kingsford Smith-YOW Ottawa
30h 20m3 stops Nadi Los Angeles Los Angeles Calgary
Multiple Airlines Logo
06:00 - 12:35YOW  Ottawa-SYD Sydney Kingsford Smith
39h 35m3 stops Calgary Los Angeles Los Angeles Nadi
$1,759Multiple Airlines
Wed, 7 Oct - Sun, 25 Oct
Multiple Airlines Logo
10:20 - 05:35SYD  Sydney Kingsford Smith-YOW Ottawa
33h 15m3 stops San Francisco Los Angeles Los Angeles Calgary
Multiple Airlines Logo
07:20 - 08:00YOW  Ottawa-SYD Sydney Kingsford Smith
33h 40m2 stops Calgary Los Angeles Los Angeles
$1,923Multiple Airlines
Mon, 28 Sep - Mon, 12 Oct
Multiple Airlines Logo
10:20 - 05:35SYD  Sydney Kingsford Smith-YOW Ottawa
33h 15m3 stops San Francisco Los Angeles Los Angeles Calgary
Multiple Airlines Logo
06:50 - 08:00YOW  Ottawa-SYD Sydney Kingsford Smith
34h 10m3 stops Toronto Pearson Intl Calgary Los Angeles Los Angeles
$1,967Multiple Airlines
Mon, 28 Sep - Mon, 12 Oct
Multiple Airlines Logo
10:30 - 05:35SYD  Sydney Kingsford Smith-YOW Ottawa
34h 05m2 stops Los Angeles Los Angeles Calgary
Multiple Airlines Logo
06:00 - 07:00YOW  Ottawa-SYD Sydney Kingsford Smith
58h 00m3 stops Calgary Los Angeles Los Angeles Houston George Bush Intcntl
$2,068Multiple Airlines
Tue, 6 Oct - Tue, 27 Oct
Multiple Airlines Logo
10:30 - 05:35SYD  Sydney Kingsford Smith-YOW Ottawa
34h 05m2 stops Los Angeles Los Angeles Calgary
Multiple Airlines Logo
17:45 - 08:05YOW  Ottawa-SYD Sydney Kingsford Smith
47h 20m2 stops Calgary Los Angeles Los Angeles
$2,071Multiple Airlines
Tue, 6 Oct - Tue, 27 Oct
Multiple Airlines Logo
10:30 - 05:35SYD  Sydney Kingsford Smith-YOW Ottawa
34h 05m2 stops Los Angeles Los Angeles Calgary
Multiple Airlines Logo
06:00 - 08:05YOW  Ottawa-SYD Sydney Kingsford Smith
35h 05m3 stops Calgary Edmonton Los Angeles Los Angeles
$2,142Multiple Airlines
Wed, 7 Oct - Sun, 25 Oct
Multiple Airlines Logo
15:50 - 19:10SYD  Sydney Kingsford Smith-YOW Ottawa
42h 20m2 stops Doha Hamad Intl Toronto Pearson Intl
Multiple Airlines Logo
15:15 - 19:20YOW  Ottawa-SYD Sydney Kingsford Smith
37h 05m2 stops Boston Logan Intl Doha Hamad Intl
$2,169Multiple Airlines
Wed, 7 Oct - Sun, 25 Oct
Air Canada Logo
06:00 - 17:08MEL  Melbourne-YOW Ottawa
25h 08m2 stops Sydney Kingsford Smith Vancouver Intl
Air Canada Logo
06:55 - 11:05YOW  Ottawa-MEL Melbourne
38h 10m2 stops Vancouver Intl Sydney Kingsford Smith
$2,497Air Canada
Thu, 10 Sep - Thu, 17 Sep
Air Canada Logo
06:00 - 00:45MEL  Melbourne-YOW Ottawa
32h 45m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
Air Canada Logo
06:55 - 11:05YOW  Ottawa-MEL Melbourne
38h 10m2 stops Vancouver Intl Sydney Kingsford Smith
$2,509Air Canada
Thu, 10 Sep - Thu, 17 Sep

momondo Fare Finder

 
Locate flights to Ottawa that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 16 August 2026.
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

Tue 6/10

14:15-05:35

3 stops30h 20m

Ottawa

Tue 27/10

17:45-12:35

3 stops51h 50m

$1,688

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Wed 7/10

14:15-05:35

3 stops30h 20m

Ottawa

Sun 25/10

06:00-12:35

3 stops39h 35m

$1,759

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Mon 28/9

10:20-05:35

3 stops33h 15m

Ottawa

Mon 12/10

07:20-08:00

2 stops33h 40m

$1,923

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Mon 28/9

10:20-05:35

3 stops33h 15m

Ottawa

Mon 12/10

06:50-08:00

3 stops34h 10m

$1,967

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Tue 6/10

10:30-05:35

2 stops34h 05m

Ottawa

Tue 27/10

06:00-07:00

3 stops58h 00m

$2,068

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Tue 6/10

10:30-05:35

2 stops34h 05m

Ottawa

Tue 27/10

17:45-08:05

2 stops47h 20m

$2,071

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Wed 7/10

10:30-05:35

2 stops34h 05m

Ottawa

Sun 25/10

06:00-08:05

3 stops35h 05m

$2,142

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Wed 7/10

15:50-19:10

2 stops42h 20m

Ottawa

Sun 25/10

15:15-19:20

2 stops37h 05m

$2,169
Fastest return journey

MelbourneOttawa

MEL Melbourne - YOW Ottawa

MELYOW

Melbourne

Thu 10/9

06:00-17:08

2 stops25h 08m

Ottawa

Thu 17/9

06:55-11:05

2 stops38h 10m

$2,497

MelbourneOttawa

MEL Melbourne - YOW Ottawa

MELYOW

Melbourne

Thu 10/9

06:00-00:45

3 stops32h 45m

Ottawa

Thu 17/9

06:55-11:05

2 stops38h 10m

$2,509

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 $1,577. If you don’t want to visit Ottawa in February, then you should wait until September to fly from Australia, when ticket prices are also cheap, with an average price of $1,721.

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 SYDNEYFebruary31% cheaperFlying from Sydney to Ottawa costs on average just $1,577 in February
MOST EXPENSIVE MONTH TO FLY TO OTTAWA FROM SYDNEYDecember43% more expensiveIt costs about $3,262 for flights to Ottawa from Sydney in December
MOST POPULAR MONTH TO FLY TO OTTAWA FROM SYDNEYDecember271% more users visitedMore momondo users searched in flights to Ottawa from Sydney in December than any other month

Cheap Ottawa flight deals and tips

Summary info about Ottawa flight prices, duration and airlines

Best One-Way Price

$872

Best Round-Trip Price

$1,688

Fastest flight time

28h 55m

Popular in

August
The best one-way flight price to Ottawa from Australia in the last 5 days is $872 (Melbourne to Ottawa).
Search Deals
The best return flight price to Ottawa from Australia in the last 5 days is $1,688 (Sydney Kingsford Smith to Ottawa).
Search Deals
The fastest flight to Ottawa from Australia takes 28h 55m (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 $496. 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

Popular routes according to searches in the past day on momondo
Sydney Kingsford Smith to Ottawa Flightsfrom $1,651
Melbourne to Ottawa Flightsfrom $1,906
Perth to Ottawa Flightsfrom $1,739
Brisbane to Ottawa Flightsfrom $1,611
Canberra to Ottawa Flightsfrom $2,635