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Cheap flights from Perth to London from £349

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 17/1. 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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Multiple Airlines Logo
00:25 - 17:20PER-LHR
24h 55m1 stop
Multiple Airlines Logo
20:15 - 16:10LHR-PER
35h 55m2 stops
£703Multiple Airlines
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Mon, 16 Feb - Mon, 2 Mar
Multiple Airlines Logo
20:40 - 19:20PER-LHR
30h 40m3 stops
Multiple Airlines Logo
08:45 - 04:30LHR-PER
35h 45m3 stops
£704Multiple Airlines
Find Deal
Wed, 26 Nov - Wed, 3 Dec
Multiple Airlines Logo
00:25 - 17:20PER-LHR
24h 55m1 stop
Multiple Airlines Logo
06:50 - 22:55LHR-PER
32h 05m2 stops
£705Multiple Airlines
Find Deal
Mon, 16 Feb - Tue, 24 Feb
Malaysia Airlines Logo
02:25 - 15:25PER-LHR
21h 00m1 stop
Malaysia Airlines Logo
21:25 - 01:25LHR-PER
20h 00m1 stop
£707Malaysia Airlines
Find Deal
Sat, 8 Nov - Thu, 20 Nov
Cathay Pacific Logo
00:25 - 20:10PER-LHR
27h 45m1 stop
Cathay Pacific Logo
20:15 - 22:55LHR-PER
42h 40m1 stop
£708Cathay Pacific
Find Deal
Mon, 17 Nov - Wed, 26 Nov
Malaysia Airlines Logo
15:50 - 16:35PER-LHR
31h 45m1 stop
Malaysia Airlines Logo
21:35 - 01:10LHR-PER
20h 35m1 stop
£709Malaysia Airlines
Find Deal
Tue, 21 Apr - Tue, 28 Apr
Cathay Pacific Logo
00:25 - 20:10PER-LHR
27h 45m1 stop
Cathay Pacific Logo
20:15 - 06:55LHR-PER
26h 40m1 stop
£710Cathay Pacific
Find Deal
Tue, 18 Nov - Wed, 26 Nov
Qatar Airways Logo
15:55 - 07:20PER-LHR
23h 25m1 stop
Qatar Airways Logo
08:40 - 12:20LHR-PER
19h 40m1 stop
£721Qatar Airways
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Mon, 10 Nov - Mon, 24 Nov
Singapore Airlines Logo
01:15 - 19:10PER-LHR
25h 55m1 stop
Singapore Airlines Logo
09:10 - 14:45LHR-PER
21h 35m1 stop
£727Singapore Airlines
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Mon, 16 Feb - Mon, 2 Mar
Qatar Airways Logo
15:55 - 06:25PER-LHR
22h 30m1 stop
Qatar Airways Logo
08:35 - 12:20LHR-PER
19h 45m1 stop
£739Qatar Airways
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Mon, 10 Nov - Mon, 24 Nov

Singapore Airlines flights from Perth to London Heathrow Airport

Our best Singapore Airlines deals on Perth to London Heathrow Airport flight tickets
Singapore Airlines
16 Feb
PER01:15Perth
25h 55m
1 stop
LHR19:10London Heathrow
2 Mar
LHR09:10London Heathrow
21h 35m
1 stop
PER14:45Perth
£727
Find similar
Singapore Airlines
11 Nov
PER13:50Perth
24h 05m
1 stop
LHR05:55London Heathrow
25 Nov
LHR20:35London Heathrow
24h 50m
1 stop
PER05:25Perth
£756
Find similar

Malaysia Airlines flights from Perth to London Heathrow Airport

Our best Malaysia Airlines deals on Perth to London Heathrow Airport flight tickets
Malaysia Airlines
8 Nov
PER02:25Perth
21h 00m
1 stop
LHR15:25London Heathrow
20 Nov
LHR21:25London Heathrow
20h 00m
1 stop
PER01:25Perth
£707
Find similar
Malaysia Airlines
21 Apr
PER15:50Perth
31h 45m
1 stop
LHR16:35London Heathrow
28 Apr
LHR21:35London Heathrow
20h 35m
1 stop
PER01:10Perth
£709
Find similar
Malaysia Airlines
23 Mar
PER02:25Perth
21h 00m
1 stop
LHR15:25London Heathrow
26 Apr
LHR21:35London Heathrow
20h 35m
1 stop
PER01:10Perth
£716
Find similar

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 279,928 searches. Data last updated 29 October 2025.
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

Mon 16/2

00:25-17:20

1 stop24h 55m

London Heathrow

Mon 2/3

20:15-16:10

2 stops35h 55m

£702

PerthLondon

PER - LHR

PERLHR

Perth

Wed 26/11

20:40-19:20

3 stops30h 40m

London Heathrow

Wed 3/12

08:45-04:30

3 stops35h 45m

£704

PerthLondon

PER - LHR

PERLHR

Perth

Mon 16/2

00:25-17:20

1 stop24h 55m

London Heathrow

Tue 24/2

06:50-22:55

2 stops32h 05m

£705

PerthLondon

PER - LHR

PERLHR

Perth

Sat 8/11

02:25-15:25

1 stop21h 00m

London Heathrow

Thu 20/11

21:25-01:25

1 stop20h 00m

£707

PerthLondon

PER - LHR

PERLHR

Perth

Mon 17/11

00:25-20:10

1 stop27h 45m

London Heathrow

Wed 26/11

20:15-22:55

1 stop42h 40m

£708

PerthLondon

PER - LHR

PERLHR

Perth

Tue 21/4

15:50-16:35

1 stop31h 45m

London Heathrow

Tue 28/4

21:35-01:10

1 stop20h 35m

£709

PerthLondon

PER - LHR

PERLHR

Perth

Tue 18/11

00:25-20:10

1 stop27h 45m

London Heathrow

Wed 26/11

20:15-06:55

1 stop26h 40m

£710

PerthLondon

PER - LHR

PERLHR

Perth

Mon 10/11

15:55-07:20

1 stop23h 25m

London Heathrow

Mon 24/11

08:40-12:20

1 stop19h 40m

£721

PerthLondon

PER - LHR

PERLHR

Perth

Mon 16/2

01:15-19:10

1 stop25h 55m

London Heathrow

Mon 2/3

09:10-14:45

1 stop21h 35m

£727

PerthLondon

PER - LHR

PERLHR

Perth

Mon 10/11

15:55-06:25

1 stop22h 30m

London Heathrow

Mon 24/11

08:35-12:20

1 stop19h 45m

£739

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

In general, May is the cheapest month to fly from Perth to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £809. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Perth averaging around £830.

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

On average, the least expensive day to fly to London Heathrow Airport from Perth is on a Sunday. momondo users have found tickets for Sunday departures for as low as £1,148. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Thursday is £1,432.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Perth to London Heathrow Airport in the morning for as low as £940. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £1,365 on average. Flights to London Heathrow Airport from Perth in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £973 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 £877 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 October 2025, prices for Perth to London Heathrow Airport flights are approximately 4% 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

£694

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 £694. The best return flight deal from Perth to London Heathrow Airport found on momondo in the last 72 hours is £1,593.
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?

    London Heathrow is 9004.5 mi away from Perth. Flights usually cover this in 21h 00m, depending on flying conditions and air traffic around both airports.

  • 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 refreshed on a daily basis.

  • 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 layovers. 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 license 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
Cathay PacificPriceFrom £654Free CancellationRating
7.6
1,042 reviews
Search Cathay Pacific flights
Malaysia AirlinesPriceFrom £691Free CancellationRating
7.3
278 reviews
Search Malaysia Airlines flights
Qatar AirwaysPriceFrom £715Free CancellationRating
7.4
3,659 reviews
Search Qatar Airways flights
Singapore AirlinesPriceFrom £749Free CancellationRating
8.1
1,388 reviews
Search Singapore Airlines flights
EmiratesPriceFrom £834Free CancellationRating
8.1
3,393 reviews
Search Emirates flights
British AirwaysPriceFrom £836Free CancellationRating
6.7
7,485 reviews
Search British Airways flights
Qantas AirwaysPriceFrom £977Free CancellationRating
7.5
924 reviews
Search Qantas Airways flights
Thai AirwaysPriceFrom £1,005Free CancellationRating
7.8
361 reviews
Search Thai Airways flights

  • Qantas Airways Flights From Perth to London Heathrow Airport

    Qantas Airways flight deals from Perth to London Heathrow Airport start from £977 round-trip. Over the 7 Qantas Airways flights for this route in a normal week, average airfare is usually £1,357 round-trip - but some users have found much cheaper deals with momondo.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Poole
Guildford
Swanage
Colchester
Dover
Hayes
Chelmsford

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Perth.

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?

momondo helps you find the best flight between Perth and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Perth to London 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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