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Look for other cheap flights to Ottawa

$985 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 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Australia to Ottawa

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:25 - 10:26
SYD
-
YOW
39h 01m
2 stops
United Airlines Logo
17:20 - 06:55
YOW
-
SYD
47h 35m
2 stops
$1,671United Airlines
Thu, 26 Mar - Sat, 11 Apr
United Airlines Logo
11:50 - 21:56
SYD
-
YOW
25h 06m
2 stops
United Airlines Logo
15:10 - 07:00
YOW
-
SYD
25h 50m
2 stops
$1,709United Airlines
Thu, 26 Mar - Thu, 9 Apr
United Airlines Logo
10:25 - 10:26
SYD
-
YOW
39h 01m
2 stops
United Airlines Logo
10:44 - 07:00
YOW
-
SYD
30h 16m
2 stops
$1,721United Airlines
Thu, 26 Mar - Fri, 10 Apr
Air Canada Logo
09:45 - 15:45
BNE
-
YOW
20h 00m
1 stop
Air Canada Logo
07:45 - 07:45
YOW
-
BNE
34h 00m
1 stop
$1,762Air Canada
Fri, 13 Mar - Thu, 26 Mar
United Airlines Logo
10:20 - 21:56
SYD
-
YOW
25h 36m
2 stops
United Airlines Logo
19:42 - 06:55
YOW
-
SYD
45h 13m
2 stops
$1,770United Airlines
Fri, 17 Jul - Thu, 23 Jul
Air Canada Logo
09:45 - 19:18
BNE
-
YOW
23h 33m
2 stops
Air Canada Logo
17:50 - 07:45
YOW
-
BNE
23h 55m
1 stop
$1,773Air Canada
Fri, 13 Mar - Thu, 26 Mar
Multiple Airlines Logo
13:30 - 05:40
MEL
-
YOW
30h 10m
3 stops
Multiple Airlines Logo
06:00 - 12:25
YOW
-
MEL
40h 25m
3 stops
$1,855Multiple Airlines
Sun, 9 Aug - Mon, 24 Aug
Multiple Airlines Logo
16:00 - 15:45
SYD
-
YOW
38h 45m
2 stops
Multiple Airlines Logo
05:45 - 08:35
YOW
-
SYD
35h 50m
2 stops
$1,871Multiple Airlines
Thu, 12 Mar - Thu, 19 Mar
Cathay Pacific Logo
00:10 - 09:15
PER
-
YOW
45h 05m
2 stops
Cathay Pacific Logo
18:25 - 22:40
YOW
-
PER
40h 15m
2 stops
$2,669Cathay Pacific
Mon, 8 Jun - Tue, 29 Sep
Cathay Pacific Logo
00:10 - 01:36
PER
-
YOW
37h 26m
2 stops
Cathay Pacific Logo
18:25 - 22:40
YOW
-
PER
40h 15m
2 stops
$2,676Cathay Pacific
Mon, 8 Jun - Tue, 29 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 15 February 2026.
Use the filters below to find and compare flights to Ottawa that are best for you.

Fly from

Route

Depart

Return

Price

SydneyOttawa

SYD - YOW

SYDYOW

Sydney Kingsford Smith

Thu 26/3

10:25-10:26

2 stops39h 01m

Ottawa

Sat 11/4

17:20-06:55

2 stops47h 35m

$1,671

SydneyOttawa

SYD - YOW

SYDYOW

Sydney Kingsford Smith

Thu 26/3

11:50-21:56

2 stops25h 06m

Ottawa

Thu 9/4

15:10-07:00

2 stops25h 50m

$1,709

SydneyOttawa

SYD - YOW

SYDYOW

Sydney Kingsford Smith

Thu 26/3

10:25-10:26

2 stops39h 01m

Ottawa

Fri 10/4

10:44-07:00

2 stops30h 16m

$1,721

BrisbaneOttawa

BNE - YOW

BNEYOW

Brisbane

Fri 13/3

09:45-15:45

1 stop20h 00m

Ottawa

Thu 26/3

07:45-07:45

1 stop34h 00m

$1,762

SydneyOttawa

SYD - YOW

SYDYOW

Sydney Kingsford Smith

Fri 17/7

10:20-21:56

2 stops25h 36m

Ottawa

Thu 23/7

19:42-06:55

2 stops45h 13m

$1,770

BrisbaneOttawa

BNE - YOW

BNEYOW

Brisbane

Fri 13/3

09:45-19:18

2 stops23h 33m

Ottawa

Thu 26/3

17:50-07:45

1 stop23h 55m

$1,773

MelbourneOttawa

MEL - YOW

MELYOW

Melbourne

Sun 9/8

13:30-05:40

3 stops30h 10m

Ottawa

Mon 24/8

06:00-12:25

3 stops40h 25m

$1,855

SydneyOttawa

SYD - YOW

SYDYOW

Sydney Kingsford Smith

Thu 12/3

16:00-15:45

2 stops38h 45m

Ottawa

Thu 19/3

05:45-08:35

2 stops35h 50m

$1,871

PerthOttawa

PER - YOW

PERYOW

Perth

Mon 8/6

00:10-09:15

2 stops45h 05m

Ottawa

Tue 29/9

18:25-22:40

2 stops40h 15m

$2,669

PerthOttawa

PER - YOW

PERYOW

Perth

Mon 8/6

00:10-01:36

2 stops37h 26m

Ottawa

Tue 29/9

18:25-22:40

2 stops40h 15m

$2,676

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 June is, on average, the cheapest month to fly to Ottawa from Australia, with most prices found around $1,558. If you don’t want to visit Ottawa in June, then you should wait until March to fly from Australia, when ticket prices are also cheap, with an average price of $1,777.

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 SYDNEYJune30% cheaperFlying from Sydney to Ottawa costs on average just $1,558 in June
MOST EXPENSIVE MONTH TO FLY TO OTTAWA FROM SYDNEYDecember46% more expensiveIt costs about $3,244 for flights to Ottawa from Sydney in December
MOST POPULAR MONTH TO FLY TO OTTAWA FROM SYDNEYJune658% more users visitedMore momondo users searched in flights to Ottawa from Sydney in June than any other month

Cheap Ottawa flight deals and tips

Summary info about Ottawa flight prices, duration and airlines

Best One-Way Price

$985

Best Round-Trip Price

$1,671

Fastest flight time

30h 15m

Popular in

January
The best one-way flight price to Ottawa from Australia in the last 72 hours is $985 (Sydney Kingsford Smith to Ottawa).
Search Deals
The best round-trip flight price to Ottawa from Australia in the last 72 hours is $1,671 (Sydney Kingsford Smith to Ottawa).
Search Deals
The fastest flight to Ottawa from Australia takes 30h 15m (Melbourne to Ottawa).
Search Deals
January has the highest demand for flights to Ottawa, with a 9% 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 $486. Users typically find the best prices when using 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 February 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
Melbourne to Ottawa Flightsfrom $1,249
Perth to Ottawa Flightsfrom $1,879
Sydney Kingsford Smith to Ottawa Flightsfrom $1,183
Canberra to Ottawa Flightsfrom $2,473
Brisbane to Ottawa Flightsfrom $1,430