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Cheap flights from Perth to London from $577

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Perth to London departing on 16/3. 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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Cheap return flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
08:20 - 15:15
PER
-
LHR
37h 55m
1 stop
Cathay Pacific Logo
12:20 - 06:50
LHR
-
PER
35h 30m
1 stop
$1,325Cathay Pacific
Sun, 24 May - Fri, 12 Jun
Multiple Airlines Logo
10:30 - 14:55
PER
-
LHR
36h 25m
2 stops
Multiple Airlines Logo
06:35 - 23:55
LHR
-
PER
33h 20m
2 stops
$1,327Multiple Airlines
Mon, 16 Feb - Thu, 19 Feb
Cathay Pacific Logo
08:30 - 15:00
PER
-
LHR
38h 30m
1 stop
Cathay Pacific Logo
18:20 - 06:50
LHR
-
PER
29h 30m
1 stop
$1,328Cathay Pacific
Tue, 3 Mar - Wed, 22 Apr
Cathay Pacific Logo
08:30 - 15:00
PER
-
LHR
38h 30m
1 stop
Cathay Pacific Logo
20:15 - 06:50
LHR
-
PER
27h 35m
1 stop
$1,330Cathay Pacific
Tue, 17 Mar - Tue, 21 Apr
Multiple Airlines Logo
10:30 - 14:55
PER
-
LHR
36h 25m
2 stops
Multiple Airlines Logo
06:35 - 19:35
LHR
-
PER
29h 00m
2 stops
$1,331Multiple Airlines
Wed, 4 Mar - Wed, 11 Mar
Cathay Pacific Logo
08:20 - 15:15
PER
-
LHR
37h 55m
1 stop
Cathay Pacific Logo
12:20 - 06:50
LHR
-
PER
35h 30m
1 stop
$1,332Cathay Pacific
Sun, 24 May - Fri, 12 Jun
Cathay Pacific Logo
00:10 - 20:35
PER
-
LHR
27h 25m
1 stop
Cathay Pacific Logo
17:00 - 06:50
LHR
-
PER
30h 50m
1 stop
$1,334Cathay Pacific
Tue, 12 May - Mon, 1 Jun
Multiple Airlines Logo
18:25 - 07:00
PER
-
LHR
43h 35m
2 stops
Multiple Airlines Logo
09:30 - 04:15
LHR
-
PER
35h 45m
2 stops
$1,335Multiple Airlines
Tue, 21 Apr - Tue, 9 Jun
Cathay Pacific Logo
08:30 - 15:00
PER
-
LHR
38h 30m
1 stop
Cathay Pacific Logo
22:15 - 06:50
LHR
-
PER
25h 35m
1 stop
$1,340Cathay Pacific
Sun, 15 Mar - Sun, 5 Apr
Cathay Pacific Logo
00:25 - 17:20
PER
-
LHR
24h 55m
1 stop
Cathay Pacific Logo
17:00 - 06:50
LHR
-
PER
30h 50m
1 stop
$1,341Cathay Pacific
Tue, 17 Mar - Tue, 7 Apr

Cathay Pacific flights from Perth to London Heathrow Airport

Our best Cathay Pacific deals on Perth to London Heathrow Airport flight tickets
Cathay Pacific
24 May
PER08:20Perth
37h 55m
1 stop
LHR15:15London Heathrow
12 June
LHR12:20London Heathrow
35h 30m
1 stop
PER06:50Perth
$1,325
Cathay Pacific
3 Mar
PER08:30Perth
38h 30m
1 stop
LHR15:00London Heathrow
22 Apr
LHR18:20London Heathrow
29h 30m
1 stop
PER06:50Perth
$1,328
Cathay Pacific
17 Mar
PER08:30Perth
38h 30m
1 stop
LHR15:00London Heathrow
21 Apr
LHR20:15London Heathrow
27h 35m
1 stop
PER06:50Perth
$1,330

Qatar Airways flights from Perth to London Heathrow Airport

Our best Qatar Airways deals on Perth to London Heathrow Airport flight tickets
Qatar Airways
8 Feb
PER15:55Perth
22h 30m
1 stop
LHR06:25London Heathrow
22 Feb
LHR08:40London Heathrow
19h 15m
1 stop
PER11:55Perth
$1,430
Qatar Airways
8 Feb
PER15:55Perth
22h 30m
1 stop
LHR06:25London Heathrow
22 Feb
LHR16:00London Heathrow
18h 45m
1 stop
PER18:45Perth
$1,449
Qatar Airways
8 Feb
PER22:45Perth
22h 35m
1 stop
LHR13:20London Heathrow
15 Feb
LHR08:40London Heathrow
19h 15m
1 stop
PER11:55Perth
$1,469

momondo Fare Finder

 
Customise your flight search to find flights from Perth to London Heathrow Airport 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 78,305 searches. Data last updated 3 February 2026.
Use the filters below to find and compare flights from Perth to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PerthLondon

PER - LHR

PERLHR

Perth

Sun 24/5

08:20-15:15

1 stop37h 55m

London Heathrow

Fri 12/6

12:20-06:50

1 stop35h 30m

$1,325

PerthLondon

PER - LHR

PERLHR

Perth

Mon 16/2

10:30-14:55

2 stops36h 25m

London Heathrow

Thu 19/2

06:35-23:55

2 stops33h 20m

$1,327

PerthLondon

PER - LHR

PERLHR

Perth

Tue 3/3

08:30-15:00

1 stop38h 30m

London Heathrow

Wed 22/4

18:20-06:50

1 stop29h 30m

$1,328

PerthLondon

PER - LHR

PERLHR

Perth

Tue 17/3

08:30-15:00

1 stop38h 30m

London Heathrow

Tue 21/4

20:15-06:50

1 stop27h 35m

$1,330

PerthLondon

PER - LHR

PERLHR

Perth

Wed 4/3

10:30-14:55

2 stops36h 25m

London Heathrow

Wed 11/3

06:35-19:35

2 stops29h 00m

$1,331

PerthLondon

PER - LHR

PERLHR

Perth

Sun 24/5

08:20-15:15

1 stop37h 55m

London Heathrow

Fri 12/6

12:20-06:50

1 stop35h 30m

$1,332

PerthLondon

PER - LHR

PERLHR

Perth

Tue 12/5

00:10-20:35

1 stop27h 25m

London Heathrow

Mon 1/6

17:00-06:50

1 stop30h 50m

$1,334

PerthLondon

PER - LHR

PERLHR

Perth

Tue 21/4

18:25-07:00

2 stops43h 35m

London Heathrow

Tue 9/6

09:30-04:15

2 stops35h 45m

$1,335

PerthLondon

PER - LHR

PERLHR

Perth

Sun 15/3

08:30-15:00

1 stop38h 30m

London Heathrow

Sun 5/4

22:15-06:50

1 stop25h 35m

$1,340

PerthLondon

PER - LHR

PERLHR

Perth

Tue 17/3

00:25-17:20

1 stop24h 55m

London Heathrow

Tue 7/4

17:00-06:50

1 stop30h 50m

$1,341

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Perth to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Perth and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of May is, on average, the cheapest month to fly to London Heathrow Airport from Perth, with most prices found around $1,511. If you aren’t able to travel during the month of May, then book flights to London Heathrow Airport from Perth during October instead. Flights to London Heathrow Airport in October, while not as cheap as those in May, still average around $1,565.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Monday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $2,089. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Perth to London Heathrow Airport for around $2,351.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

In the evening is the cheapest time of day to fly from Perth to London Heathrow Airport when you can find flight prices for as low as $2,153. Flying to London Heathrow Airport in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is in the afternoon when prices are around $2,275.

What is the cheapest Perth to London Heathrow flight route?

Fly from Perth to London Heathrow for the best Perth - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Perth when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $1,837 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Perth for as low as $1,701 on momondo.

What cabin class options are available on Perth to London Heathrow flights?

There are 3 cabin classes available to choose from on Perth to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Perth to London Heathrow Airport flight prices changed over time?

As of February 2026, prices for Perth to London Heathrow Airport flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from Perth to London Heathrow Airport

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

Cheap Perth to London Heathrow Airport (PER to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Perth to London Heathrow Airport

Best price found

$1,123

Fastest flight time

17h 30m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Perth in the past 72 hours is $1,123. The best return flight deal from Perth to London Heathrow Airport found on momondo in the last 72 hours is $1,938.
The fastest flight from Perth to London Heathrow Airport takes 17h 30m
Direct flights go from Perth to London Heathrow Airport every day.
Search flight deals

  • How far is Perth to London Heathrow by plane?

    There are 14491.3 km between Perth and London Heathrow. In terms of flight time, this usually takes a little over 17h 30m.

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

    Prices for flights from Perth Airport to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from Perth Airport to London Heathrow Airport?

  • How old do you have to be to fly from Perth Airport to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Perth Airport to London Heathrow Airport.

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

    The travel and health documents you'll need for your trip to London Heathrow 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 London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Perth to London Heathrow Airport?

  • What is the most popular airline from Perth to London Heathrow Airport?

Best airlines flying from Perth to London Heathrow Airport

Compare and see reviews for airlines that fly from Perth to London Heathrow Airport with momondo
Airline
Rating
Free cancellation
Price
Turkish AirlinesPriceFrom $1,095Free cancellationRating
7.3
4,209 reviews
Search Turkish Airlines flights
Malaysia AirlinesPriceFrom $1,209Free cancellationRating
7.3
290 reviews
Search Malaysia Airlines flights
Cathay PacificPriceFrom $1,223Free cancellationRating
7.6
1,156 reviews
Search Cathay Pacific flights
LufthansaPriceFrom $1,246Free cancellationRating
6.8
7,758 reviews
Search Lufthansa flights
Japan AirlinesPriceFrom $1,246Free cancellationRating
8.3
1,697 reviews
Search Japan Airlines flights
Singapore AirlinesPriceFrom $1,320Free cancellationRating
8.2
1,443 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,351Free cancellationRating
7.4
3,729 reviews
Search Qatar Airways flights
Virgin AustraliaPriceFrom $1,378Free cancellationRating
7.6
433 reviews
Search Virgin Australia flights
EmiratesPriceFrom $1,491Free cancellationRating
8.1
3,497 reviews
Search Emirates flights
British AirwaysPriceFrom $1,603Free cancellationRating
6.7
7,711 reviews
Search British Airways flights

  • Qantas Airways Flights From Perth to London Heathrow Airport

    Qantas Airways operates around 7 flights from Perth to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been $2,211, but momondo users have found Qantas Airways deals from Perth to London Heathrow Airport from as low as $1,715 round-trip. Qantas Airways has been scored 7.5/10 in 985 reviews.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Watford

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Perth to London . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Perth to London 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 Perth to London?

Once all potential Perth to London 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 Perth to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Perth to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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