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Cheap flights from Ottawa to Perth from C$ 935

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Perth departing on 9/9. 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

Find the cheapest flights from Ottawa to Perth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:55 a.m. - 7:15 a.m.YOW  Ottawa-PER Perth
60h 20m2 stops Toronto Pearson Intl Manila Ninoy Aquino Intl
Multiple Airlines Logo
8:35 a.m. - 5:43 a.m.PER  Perth-YOW Ottawa
33h 08m2 stops Manila Ninoy Aquino Intl Vancouver Intl
C$ 2,097Multiple Airlines
Fri, 25 Sep - Sat, 10 Oct
Multiple Airlines Logo
3:15 p.m. - 6:45 p.m.YOW  Ottawa-PER Perth
38h 30m2 stops Boston Logan Intl Doha Hamad Intl
Multiple Airlines Logo
10:45 p.m. - 2:29 p.m.PER  Perth-YOW Ottawa
52h 44m2 stops Doha Hamad Intl Washington, D.C. Dulles Intl
C$ 2,749Multiple Airlines
Wed, 20 Jan - Fri, 12 Feb
Cathay Pacific Logo
5:40 a.m. - 10:55 p.m.YOW  Ottawa-PER Perth
52h 15m2 stops Toronto Pearson Intl Hong Kong Intl
Cathay Pacific Logo
8:30 a.m. - 12:42 a.m.PER  Perth-YOW Ottawa
29h 12m2 stops Hong Kong Intl Toronto Pearson Intl
C$ 2,816Cathay Pacific
Fri, 6 Nov - Tue, 10 Nov
Cathay Pacific Logo
6:25 p.m. - 10:40 p.m.YOW  Ottawa-PER Perth
64h 15m2 stops Toronto Pearson Intl Hong Kong Intl
Cathay Pacific Logo
8:20 a.m. - 5:35 p.m.PER  Perth-YOW Ottawa
45h 15m2 stops Hong Kong Intl Toronto Pearson Intl
C$ 2,919Cathay Pacific
Sat, 26 Sep - Sat, 3 Oct
Cathay Pacific Logo
6:55 a.m. - 6:50 a.m.YOW  Ottawa-PER Perth
35h 55m2 stops Toronto Pearson Intl Hong Kong Intl
Cathay Pacific Logo
8:20 a.m. - 5:35 p.m.PER  Perth-YOW Ottawa
45h 15m2 stops Hong Kong Intl Toronto Pearson Intl
C$ 2,983Cathay Pacific
Thu, 17 Sep - Mon, 21 Sep
Cathay Pacific Logo
6:55 a.m. - 6:50 a.m.YOW  Ottawa-PER Perth
35h 55m2 stops Toronto Pearson Intl Hong Kong Intl
Cathay Pacific Logo
8:20 a.m. - 5:35 p.m.PER  Perth-YOW Ottawa
45h 15m2 stops Hong Kong Intl Toronto Pearson Intl
C$ 2,986Cathay Pacific
Thu, 17 Sep - Mon, 21 Sep
Air Canada Logo
7:45 a.m. - 8:10 p.m.YOW  Ottawa-PER Perth
47h 25m2 stops Vancouver Intl Brisbane
Air Canada Logo
3:15 p.m. - 6:45 p.m.PER  Perth-YOW Ottawa
40h 30m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
C$ 3,160Air Canada
Fri, 6 Nov - Tue, 10 Nov
Air Canada Logo
8:30 p.m. - 2:30 p.m.YOW  Ottawa-PER Perth
53h 00m3 stops Toronto Island Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
3:15 p.m. - 12:56 a.m.PER  Perth-YOW Ottawa
46h 41m2 stops Sydney Kingsford Smith Vancouver Intl
C$ 3,180Air Canada
Wed, 20 Jan - Fri, 12 Feb
Multiple Airlines Logo
11:10 a.m. - 1:35 p.m.YOW  Ottawa-PER Perth
38h 25m3 stops Montreal Pierre Elliott Trudeau Intl Los Angeles Sydney Kingsford Smith
Multiple Airlines Logo
12:25 p.m. - 5:43 a.m.PER  Perth-YOW Ottawa
29h 18m2 stops Sydney Kingsford Smith Vancouver Intl
C$ 3,411Multiple Airlines
Sat, 26 Sep - Sat, 3 Oct
Multiple Airlines Logo
11:10 a.m. - 1:35 p.m.YOW  Ottawa-PER Perth
38h 25m3 stops Montreal Pierre Elliott Trudeau Intl Los Angeles Sydney Kingsford Smith
Multiple Airlines Logo
10:30 a.m. - 5:35 a.m.PER  Perth-YOW Ottawa
31h 05m3 stops Sydney Kingsford Smith Los Angeles Calgary
C$ 3,532Multiple Airlines
Sat, 26 Sep - Sat, 3 Oct

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Cathay Pacific flights from Ottawa to Perth

Our best Cathay Pacific deals on Ottawa to Perth flight tickets
Cathay Pacific
6 Nov
YOW5:40 a.m.Ottawa
52h 15m
2 stops
PER10:55 p.m.Perth
10 Nov
PER8:30 a.m.Perth
29h 12m
2 stops
YOW12:42 a.m.Ottawa
C$ 2,816
Cathay Pacific
26 Sep
YOW6:25 p.m.Ottawa
64h 15m
2 stops
PER10:40 p.m.Perth
3 Oct
PER8:20 a.m.Perth
45h 15m
2 stops
YOW5:35 p.m.Ottawa
C$ 2,919
Cathay Pacific
17 Sep
YOW6:55 a.m.Ottawa
35h 55m
2 stops
PER6:50 a.m.Perth
21 Sep
PER8:20 a.m.Perth
45h 15m
2 stops
YOW5:35 p.m.Ottawa
C$ 2,983

Air Canada flights from Ottawa to Perth

Our best Air Canada deals on Ottawa to Perth flight tickets
Air Canada
6 Nov
YOW7:45 a.m.Ottawa
47h 25m
2 stops
PER8:10 p.m.Perth
10 Nov
PER3:15 p.m.Perth
40h 30m
3 stops
YOW6:45 p.m.Ottawa
C$ 3,160
Air Canada
20 Jan
YOW8:30 p.m.Ottawa
53h 00m
3 stops
PER2:30 p.m.Perth
12 Feb
PER3:15 p.m.Perth
46h 41m
2 stops
YOW12:56 a.m.Ottawa
C$ 3,180
Air Canada
6 Nov
YOW10:05 a.m.Ottawa
45h 15m
3 stops
PER8:20 p.m.Perth
10 Nov
PER10:55 p.m.Perth
35h 55m
3 stops
YOW9:50 p.m.Ottawa
C$ 3,581

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 14 August 2026.
Use the filters below to find and compare flights from Ottawa to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaPerth

YOW Ottawa - PER Perth

YOWPER

Ottawa

Fri 25/9

6:55 a.m.-7:15 a.m.

2 stops60h 20m

Perth

Sat 10/10

8:35 a.m.-5:43 a.m.

2 stops33h 08m

C$ 2,097

OttawaPerth

YOW Ottawa - PER Perth

YOWPER

Ottawa

Wed 20/1

3:15 p.m.-6:45 p.m.

2 stops38h 30m

Perth

Fri 12/2

10:45 p.m.-2:29 p.m.

2 stops52h 44m

C$ 2,749

OttawaPerth

YOW Ottawa - PER Perth

YOWPER

Ottawa

Fri 6/11

5:40 a.m.-10:55 p.m.

2 stops52h 15m

Perth

Tue 10/11

8:30 a.m.-12:42 a.m.

2 stops29h 12m

C$ 2,816

OttawaPerth

YOW Ottawa - PER Perth

YOWPER

Ottawa

Sat 26/9

6:25 p.m.-10:40 p.m.

2 stops64h 15m

Perth

Sat 3/10

8:20 a.m.-5:35 p.m.

2 stops45h 15m

C$ 2,919

OttawaPerth

YOW Ottawa - PER Perth

YOWPER

Ottawa

Thu 17/9

6:55 a.m.-6:50 a.m.

2 stops35h 55m

Perth

Mon 21/9

8:20 a.m.-5:35 p.m.

2 stops45h 15m

C$ 2,983

OttawaPerth

YOW Ottawa - PER Perth

YOWPER

Ottawa

Thu 17/9

6:55 a.m.-6:50 a.m.

2 stops35h 55m

Perth

Mon 21/9

8:20 a.m.-5:35 p.m.

2 stops45h 15m

C$ 2,986

OttawaPerth

YOW Ottawa - PER Perth

YOWPER

Ottawa

Fri 6/11

7:45 a.m.-8:10 p.m.

2 stops47h 25m

Perth

Tue 10/11

3:15 p.m.-6:45 p.m.

3 stops40h 30m

C$ 3,160

OttawaPerth

YOW Ottawa - PER Perth

YOWPER

Ottawa

Wed 20/1

8:30 p.m.-2:30 p.m.

3 stops53h 00m

Perth

Fri 12/2

3:15 p.m.-12:56 a.m.

2 stops46h 41m

C$ 3,180
Quickest round-trip

OttawaPerth

YOW Ottawa - PER Perth

YOWPER

Ottawa

Sat 26/9

11:10 a.m.-1:35 p.m.

3 stops38h 25m

Perth

Sat 3/10

12:25 p.m.-5:43 a.m.

2 stops29h 18m

C$ 3,411

OttawaPerth

YOW Ottawa - PER Perth

YOWPER

Ottawa

Sat 26/9

11:10 a.m.-1:35 p.m.

3 stops38h 25m

Perth

Sat 3/10

10:30 a.m.-5:35 a.m.

3 stops31h 05m

C$ 3,532

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Ottawa to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Perth according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Perth (YOW to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Perth

Fastest flight time

35h 55m

Direct flights

None
The fastest flight from Ottawa to Perth takes 35h 55m
There are no direct flights from Ottawa to Perth. There are no popular flight routes from Ottawa to Perth.
Search flight deals

Frequently asked questions about flying from Ottawa to Perth

  • How far is Ottawa to Perth by plane?

    The straight-line distance from Ottawa to Perth is 18204.5 km. Typically, this will take 35h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from Ottawa Airport to Perth Airport?

    Prices for flights from Ottawa Airport to Perth Airport are updated daily.

  • How old do you have to be to fly from Ottawa Airport to Perth 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 from Ottawa Airport to Perth Airport.

  • What documentation or ID do you need to fly to Perth Airport?

    The travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Ottawa to Perth

  • How do I get Price Alerts for flights from Ottawa to Perth?

    Search flight deals from Ottawa to Perth. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Ottawa to Perth with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Travelling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Rottnest Island
Scarborough
Fremantle
Mandurah

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Perth?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ottawa to Perth. momondo saves you time and could save you money on your trip.

Can I find flights from Ottawa to Perth with flexible booking policies on momondo?

Flights from Ottawa to Perth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ottawa to Perth?

Once all potential Ottawa to Perth flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ottawa to Perth right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ottawa to Perth flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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