Latest deals
Insights
When to book
FAQs
Price Alerts
Look for other cheap flights to Ottawa

$1,018 Cheap flights to Ottawa

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Australia to Ottawa

Cheap return flights

Enter your travel dates to find the best prices.
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
$1,662Multiple Airlines
Wed, 7 Oct - Sun, 18 Oct
Multiple Airlines Logo
13:15 - 15:20SYD  Sydney Kingsford Smith-YOW Ottawa
40h 05m3 stops Nadi Los Angeles Calgary
Multiple Airlines Logo
06:10 - 12:35YOW  Ottawa-SYD Sydney Kingsford Smith
39h 25m3 stops Calgary Los Angeles Nadi
$1,703Multiple Airlines
Thu, 1 Oct - Thu, 29 Oct
Multiple Airlines Logo
17:50 - 15:20SYD  Sydney Kingsford Smith-YOW Ottawa
35h 30m2 stops Los Angeles Calgary
Multiple Airlines Logo
05:30 - 06:25YOW  Ottawa-SYD Sydney Kingsford Smith
33h 55m3 stops Toronto Pearson Intl Calgary Los Angeles
$2,162Multiple Airlines
Thu, 1 Oct - Thu, 29 Oct
Multiple Airlines Logo
11:45 - 05:35SYD  Sydney Kingsford Smith-YOW Ottawa
56h 50m2 stops Incheon Intl Calgary
Multiple Airlines Logo
15:10 - 09:50YOW  Ottawa-SYD Sydney Kingsford Smith
50h 40m2 stops Newark Manila Ninoy Aquino Intl
$2,183Multiple Airlines
Mon, 19 Oct - Tue, 3 Nov
Multiple Airlines Logo
17:50 - 15:20SYD  Sydney Kingsford Smith-YOW Ottawa
35h 30m2 stops Los Angeles Calgary
Multiple Airlines Logo
06:10 - 06:25YOW  Ottawa-SYD Sydney Kingsford Smith
33h 15m2 stops Calgary Los Angeles
$2,235Multiple Airlines
Thu, 1 Oct - Thu, 29 Oct
Multiple Airlines Logo
11:20 - 00:25SYD  Sydney Kingsford Smith-YOW Ottawa
28h 05m3 stops San Francisco Los Angeles Toronto Pearson Intl
Multiple Airlines Logo
07:00 - 07:55YOW  Ottawa-SYD Sydney Kingsford Smith
33h 55m3 stops Toronto Pearson Intl Los Angeles San Francisco
$2,240Multiple Airlines
Wed, 14 Oct - Wed, 21 Oct
Multiple Airlines Logo
11:20 - 00:25SYD  Sydney Kingsford Smith-YOW Ottawa
28h 05m3 stops San Francisco Los Angeles Toronto Pearson Intl
Multiple Airlines Logo
07:00 - 08:00YOW  Ottawa-SYD Sydney Kingsford Smith
34h 00m2 stops Toronto Pearson Intl Los Angeles
$2,243Multiple Airlines
Wed, 14 Oct - Wed, 21 Oct
Multiple Airlines Logo
18:50 - 05:35SYD  Sydney Kingsford Smith-YOW Ottawa
25h 45m2 stops Los Angeles Calgary
Multiple Airlines Logo
05:30 - 06:25YOW  Ottawa-SYD Sydney Kingsford Smith
32h 55m3 stops Toronto Pearson Intl Calgary Los Angeles
$2,256Multiple Airlines
Mon, 19 Oct - Tue, 3 Nov
Air Canada Logo
10:20 - 16:23SYD  Sydney Kingsford Smith-YOW Ottawa
21h 03m1 stop Vancouver Intl
Air Canada Logo
06:55 - 08:20YOW  Ottawa-SYD Sydney Kingsford Smith
34h 25m1 stop Vancouver Intl
$2,397Air Canada
Wed, 14 Oct - Wed, 21 Oct
Air Canada Logo
10:20 - 16:23SYD  Sydney Kingsford Smith-YOW Ottawa
21h 03m1 stop Vancouver Intl
Air Canada Logo
14:35 - 08:20YOW  Ottawa-SYD Sydney Kingsford Smith
26h 45m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$2,398Air Canada
Wed, 14 Oct - Wed, 21 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

Wed 7/10

06:05-05:35

3 stops38h 30m

Ottawa

Sun 18/10

07:20-22:25

3 stops48h 05m

$1,662

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Thu 1/10

13:15-15:20

3 stops40h 05m

Ottawa

Thu 29/10

06:10-12:35

3 stops39h 25m

$1,703

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Thu 1/10

17:50-15:20

2 stops35h 30m

Ottawa

Thu 29/10

05:30-06:25

3 stops33h 55m

$2,162

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Mon 19/10

11:45-05:35

2 stops56h 50m

Ottawa

Tue 3/11

15:10-09:50

2 stops50h 40m

$2,183

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Thu 1/10

17:50-15:20

2 stops35h 30m

Ottawa

Thu 29/10

06:10-06:25

2 stops33h 15m

$2,235

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Wed 14/10

11:20-00:25

3 stops28h 05m

Ottawa

Wed 21/10

07:00-07:55

3 stops33h 55m

$2,240

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Wed 14/10

11:20-00:25

3 stops28h 05m

Ottawa

Wed 21/10

07:00-08:00

2 stops34h 00m

$2,243

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Mon 19/10

18:50-05:35

2 stops25h 45m

Ottawa

Tue 3/11

05:30-06:25

3 stops32h 55m

$2,256

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Wed 14/10

10:20-16:23

1 stop21h 03m

Ottawa

Wed 21/10

06:55-08:20

1 stop34h 25m

$2,397
Fastest return journey

SydneyOttawa

SYD Sydney Kingsford Smith - YOW Ottawa

SYDYOW

Sydney Kingsford Smith

Wed 14/10

10:20-16:23

1 stop21h 03m

Ottawa

Wed 21/10

14:35-08:20

2 stops26h 45m

$2,398

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Ottawa from

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 $1,560. 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 $1,655.

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 $1,560 in February
MOST EXPENSIVE MONTH TO FLY TO OTTAWA FROM SYDNEYDecember36% more expensiveIt costs about $3,252 for flights to Ottawa from Sydney in December
MOST POPULAR MONTH TO FLY TO OTTAWA FROM SYDNEYSeptember442% 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

$1,018

Best Round-Trip Price

$1,662

Fastest flight time

40h 52m

Popular in

August
The best one-way flight price to Ottawa from Australia in the last 5 days is $1,018 (Perth to Ottawa).
Search Deals
The best return flight price to Ottawa from Australia in the last 5 days is $1,662 (Sydney Kingsford Smith to Ottawa).
Search Deals
The fastest flight to Ottawa from Australia takes 40h 52m (Perth 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 $497. 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 32% 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.

An easier way to manage your Ottawa trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 30/9
Wed 7/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ottawa

Popular Flights to Ottawa

Sydney Kingsford Smith to Ottawa Flightsfrom $1,605
Melbourne to Ottawa Flightsfrom $1,985
Perth to Ottawa Flightsfrom $2,771
Brisbane to Ottawa Flightsfrom $1,829
Canberra to Ottawa Flightsfrom $1,737