Title: £437 Flights from London Heathrow to Perth (LHR to PER) - Expedia.co.uk ![Elizabeth Quay which includes a sunset, a city and a bay or harbor](https://images.trvl-media.com/place/553248621593151427/ffa3044e-03de-4748-8599-8aef955dbd0f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/553248621593151427/ffa3044e-03de-4748-8599-8aef955dbd0f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £437 Cheap Flights from London (LHR) to Perth (PER) [View £437 flight on Thu, 5 Mar 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LHR,to:PER,departure:05/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:436.62&airProductToken=AQpYCioIw7QBEgMzMDQY64kBIIJoKOjrhgMwrvGGAzhaQABYAXIIWjJBWkFTWEEKKgjDtAESAzMxORiCaCCPiQEoz_qGAzCl_oYDOFZAAVgBcghaMkFaQVNYQRIKCAEQARgBKgJDWhgBIgQIARABKAIoAygEMAE) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Heathrow Airport (LHR) to Perth Airport (PER) - ![Qatar Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QR.svg) Qatar Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:per,departure:09/11/2025TANYT&leg2=from:per,to:lhr,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QR"}}]) - ![Malaysia Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_MH.svg) Malaysia Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:per,departure:09/11/2025TANYT&leg2=from:per,to:lhr,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"MH"}}]) - ![Cathay Pacific](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CX.svg) Cathay Pacific [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:per,departure:09/11/2025TANYT&leg2=from:per,to:lhr,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CX"}}]) - ![Singapore Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SQ.svg) Singapore Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:per,departure:09/11/2025TANYT&leg2=from:per,to:lhr,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SQ"}}]) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:per,departure:09/11/2025TANYT&leg2=from:per,to:lhr,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![Qantas Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QF.svg) Qantas Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:per,departure:09/11/2025TANYT&leg2=from:per,to:lhr,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QF"}}]) - ![Thai Airways International](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TG.svg) Thai Airways International [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:per,departure:09/11/2025TANYT&leg2=from:per,to:lhr,departure:16/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TG"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap Flights from London (LHR) to Perth (PER) Prices were available within the past 7 days and start at £437 for one-way flights and £607 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![China Southern Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CZ.gif) Tue, 2 Dec - Mon, 8 Dec LHR London PER Perth £607 Return found 12 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PER,departure:02/12/2025TANYT&leg2=from:PER,to:LHR,departure:08/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:606.62&airProductToken=AQpYCioIw7QBEgMzMDQY64kBIIJoKMjV_gIwmNv-AjhWQABYAXIIVjJBWkFZWEEKKgjDtAESAzMxORiCaCCPiQEor-T-AjCF6P4COFZAAVgBcghWMkFaQVlYQQpYCioIw7QBEgMzMjAYj4kBIIJoKP2V_wIw05n_AjhUQABYAXIIVDJBWkFZWEEKKgjDtAESAzMwMxiCaCDriQEo1Jz_AjDbov8COFRAAVgBcghUMkFaQVlYQRIKCAEQARgBKgJDWhgBIgQIARABKAIoAygEMAE) ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Tue, 10 Mar - Fri, 20 Mar LHR London PER Perth £765 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PER,departure:10/03/2026TANYT&leg2=from:PER,to:LHR,departure:20/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:764.12&airProductToken=AQppCiII1JYBEgQxOTg4GOuJASDInAEo65yHAzDbnocDOFdAAFgBCiAI1JYBEgMxNzQYyJwBIIpdKLWfhwMwl6SHAzhXQAFYAQohCNSWARIENDgxMRiKXSCPiQEoy6WHAzCzqIcDOFdAAVgBCmkKIQjUlgESBDQ4MjQYj4kBIIpdKI-OiAMw6JCIAzhXQABYAQogCNSWARIDMTc1GIpdIMicASjpk4gDMJGZiAM4V0ABWAEKIgjUlgESBDE5MzEYyJwBIOuJASiYmogDMJKciAM4V0ABWAESCggBEAEYASoCVEsYASIECAEQASgEMAE) ![Malaysia Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/MH.gif) Fri, 6 Mar - Mon, 16 Mar LHR London PER Perth £868 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PER,departure:06/03/2026TANYT&leg2=from:PER,to:LHR,departure:16/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:867.52&airProductToken=AQpkCi8IzZABEgEzGOuJASCKXSjR8YYDMNP3hgM4T0AAWAFqBUJBU0lDcghPR1NCWEFHQgoxCM2QARIDMTI1GIpdII-JASjL-IYDMLP7hgM4T0ABWAFqBUJBU0lDcghPR1NCWEFHQgpkCjEIzZABEgMxMjYYj4kBIIpdKNHahwMwm92HAzhPQABYAWoFQkFTSUNyCE9HU0JYQUdCCi8IzZABEgE0GIpdIOuJASjr3YcDML3khwM4T0ABWAFqBUJBU0lDcghPR1NCWEFHQhIKCAIQARgCKgJNSBgBIgQIARABKAIoBCgGMAE) ![Singapore Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SQ.gif) Tue, 3 Mar - Mon, 9 Mar LHR London PER Perth £919 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PER,departure:03/03/2026TANYT&leg2=from:PER,to:LHR,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:918.02&airProductToken=AQpwCjYI06IBEgMzMjEY64kBIJJqKJnVhgMwtNuGAzhLQABYAWoMRWNvbm9teSBMaXRlcgZLVDZHQlIKNgjTogESAzIyNRiSaiCPiQEo-d2GAzCl4IYDOEtAAVgBagxFY29ub215IExpdGVyBktUNkdCUgpwCjYI06IBEgMyMTYYj4kBIJJqKKuLhwMw5o2HAzhLQABYAWoMRWNvbm9teSBMaXRlcgZLVDZHQlIKNgjTogESAzMwOBiSaiDriQEo_I6HAzDYlYcDOEtAAVgBagxFY29ub215IExpdGVyBktUNkdCUhIKCAIQARgBKgJTURgBIgQIARABKAIoAygEMA8) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Thu, 5 Mar - Thu, 9 Jul LHR London PER Perth £930 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PER,departure:05/03/2026TANYT&leg2=from:PER,to:LHR,departure:09/07/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:929.02&airProductToken=AQpkCjAIwoIBEgQ3MDA0GOuJASDDOyiX6IYDMKfrhgM4T0AAWAFqA0JBR3IIT05OWjg1UzcKMAjCggESBDYzNzYYwzsgj4kBKMzshgMw5fGGAzhPQAFYAWoDQkFHcghPTk5aODVTNwpkCjAIwoIBEgQ2MzgzGI-JASDDOyj18ZEDMKL3kQM4T0AAWAFqA0JBR3IIT05OWjg1UzcKMAjCggESBDYzODIYwzsg64kBKOP8kQMwloCSAzhPQAFYAWoDQkFHcghPTk5aODVTNxIKCAEQARgBKgJCQRgBIgQIARABKAIoAygEMA0) ![Qatar Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QR.gif) Tue, 10 Mar - Tue, 28 Apr LHR London PER Perth £931 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PER,departure:10/03/2026TANYT&leg2=from:PER,to:LHR,departure:28/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:930.32&airProductToken=AQptCjQI0aQBEgMxMDQY64kBIMM7KNmdhwMw6aCHAzhPQABYAWoIRUNMQVNTSUNyCE9KR0JQNFJFCjUI0aQBEgQ4NDA3GMM7II-JASjSoYcDMOumhwM4T0ABWAFqCEVDTEFTU0lDcghPSkdCUDRSRQprCjUI0aQBEgQ4NDA2GI-JASDDOyjMxIsDMP7JiwM4T0AAWAFqCEVDTEFTU0lDcghPSkdCUDRSRQoyCNGkARIBMxjDOyDriQEozM6LAzD_0YsDOE9AAVgBaghFQ0xBU1NJQ3IIT0pHQlA0UkUSCggBEAEYASoCUVIYASIECAEQASgCKAQoBjAB) ![Vietnam Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VN.gif) Fri, 13 Mar - Tue, 12 May LHR London PER Perth £980 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PER,departure:13/03/2026TANYT&leg2=from:PER,to:LHR,departure:12/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:979.46&airProductToken=AQp_CigI1pwBEgI1NhjriQEgh2go1MCHAzD8xYcDOFJAAFgBcgdSTDFZRVVGCigI1pwBEgMyNDUYh2gg0mkonMeHAzCeyIcDOFJAAVgBcgdSTDFZRVVGCikI1pwBEgM3OTEY0mkgj4kBKNTKhwMwxs2HAzhSQAFYAXIHUkwxWUVVRgpVCikI1pwBEgM3OTAYj4kBINJpKPnajAMw-t2MAzhFQABYAXIHRUwxWUVVRgooCNacARICNTEY0mkg64kBKJLgjAMwsuaMAzhFQAFYAXIHRUwxWUVVRhIKCAgQAhgCKgJWThgBIgQIARABKAcoBCgGMAE) ![Oman Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WY.gif) Mon, 16 Feb - Sun, 8 Mar LHR London PER Perth £982 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PER,departure:16/02/2026TANYT&leg2=from:PER,to:LHR,departure:08/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:981.52&airProductToken=AQqqAQo3CNeyARIDMTA0GOuJASDMmAEomaaFAzDHqYUDOE9AAFgBagpFQ09DT01GT1JUcghPQ00zR0JNSAo2CNeyARIDODIxGMyYASCKXSi_qoUDMMqthQM4T0ABWAFqCkVDT0NPTUZPUlRyCE9DTTNHQk1ICjcI17IBEgQ1NTU3GIpdII-JASiGs4UDMNW1hQM4T0ABWAFqCkVDT0NPTUZPUlRyCE9DTTNHQk1ICqoBCjcI17IBEgQ1NTU5GI-JASCKXSjRgIcDMJuDhwM4T0AAWAFqCkVDT0NPTUZPUlRyCE9DTTNHQk1ICjYI17IBEgM4MjIYil0gzJgBKPWDhwMwioeHAzhPQAFYAWoKRUNPQ09NRk9SVHIIT0NNM0dCTUgKNwjXsgESAzEwMRjMmAEg64kBKIKIhwMw8YuHAzhPQAFYAWoKRUNPQ09NRk9SVHIIT0NNM0dCTUgSCggBEAEYASoCV1kYASIECAEQASgCKAQoBjAB) ![Cathay Pacific](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CX.gif) Tue, 11 Nov - Tue, 9 Dec LHR London PER Perth £1,005 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PER,departure:11/11/2025TANYT&leg2=from:PER,to:LHR,departure:09/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1004.04&airProductToken=AQpuCjUIw7ABEgMyMzgY64kBIMcyKPLm_AIw4Oz8AjhOQABYAWoJRUNPTkxJR0hUcghOQTIxR0JJQQo1CMOwARIDMTcxGMcyII-JASjY7fwCMJ_x_AI4TkABWAFqCUVDT05MSUdIVHIITkEyMUdCSUEKbgo1CMOwARIDMTQwGI-JASDHMii5lv8CMIWa_wI4TkAAWAFqCUVDT05MSUdIVHIITkEyMUdCSUEKNQjDsAESAzIzORjHMiDriQEooJv_AjCQov8COE5AAVgBaglFQ09OTElHSFRyCE5BMjFHQklBEgoICBACGAIqAkNYGAEiBAgBEAEoBygDKAQwAQ) ![Finnair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AY.gif) Thu, 5 Mar - Mon, 9 Mar LHR London PER Perth £1,092 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PER,departure:05/03/2026TANYT&leg2=from:PER,to:LHR,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1091.82&airProductToken=AQqiAQo1CMGyARIEMTMzOBjriQEgh1koguqGAzCs64YDOE9AAFgBaghFQ0xBU1NJQ3IIT05OMFM3Q1oKMgjBsgESAjk5GIdZIMcyKJrshgMw-fGGAzhPQAFYAWoIRUNMQVNTSUNyCE9OTjBTN0NaCjUIwbIBEgQ1MTAzGMcyII-JASju84YDML_3hgM4T0ABWAFqCEVDTEFTU0lDcghPTk4wUzdDWgqjAQo1CMGyARIENTgzOBiPiQEgxzIo3o6HAzC5kocDOE9AAFgBaghFQ0xBU1NJQ3IIT05OMFM3Q1oKMwjBsgESAzEwMBjHMiCHWSj5lIcDMMGbhwM4T0ABWAFqCEVDTEFTU0lDcghPTk4wUzdDWgo1CMGyARIEMTMzMRiHWSDriQEovpyHAzCGnocDOE9AAVgBaghFQ0xBU1NJQ3IIT05OMFM3Q1oSCggBEAEYASoCQVkYASIECAEQASgCKAMoBDAB) ## Find the cheapest month to fly from London (LHR) to Perth (PER) ### June is typically the cheapest month to fly From £729 - £1,259 per traveller. ## Alternative airports near Perth Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:PER,departure:09/11/2025TANYT&leg2=from:PER,to:LHR,departure:22/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) PER Perth Airport CheapestClosest 14 min [Flights from £962](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:PER,departure:09/11/2025TANYT&leg2=from:PER,to:LHR,departure:22/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much is a flight from Heathrow Airport to Perth Airport (PER)? > Start packing your bags, because round-trip journeys between Heathrow Airport (LHR) and PER start from £607. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to get the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from London Heathrow to PER? > The majority of flights can be cancelled online, but whether you incur a fee all comes down to your airline. If you do have to cancel your break, follow the easy instructions in the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from LHR to Perth Airport that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for LHR to Perth Airport (PER) flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Heathrow Airport to Perth Airport (PER)? > With a flight distance of 14,500 kilometres from London Heathrow to Perth Airport (PER), this is a long-haul journey. Remember to drink lots of water and go for a short walk down the aisle every so often. ### Which airlines fly direct from LHR to Perth Airport (PER)? > Check out the fares with Qantas (QF) if you want to fly directly from Heathrow Airport to PER. This popular airline operates 30 monthly flights, so you're sure to find one that suits your schedule. ### Are LHR to Perth Airport flight tickets cheaper when they're purchased at the last minute? > Flight prices are always on the move, so there are no guarantees. While last-minute flight deals between London Heathrow and Perth Airport (PER) are possible, it also makes sense to keep an eye on prices well before you fly. In fact, some airlines publish their prices up to 12 months before the departure date. Expedia is constantly updating the biggest bargains around, so keep checking and be ready to secure your seat when the fares dip. ## Travel information | Origin airport | Heathrow | | --- | --- | | Destination airport | Perth | | Airlines serving | Air France, Air India, Austrian Airlines, British Airways, Cathay Pacific, China Southern Airlines, Emirates, Etihad Airways, Finnair, KLM, Lufthansa, Malaysia Airlines, Oman Air, Qantas Airways, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines, Vietnam Airlines | | Return price | £607 | | Distance | 14421 km | | Average flight time | 16 hours 40 mins | ## Book with confidence ### Compare flights from London to Perth easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Perth. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Perth in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to Perth.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Heathrow (LHR) to Perth (PER) The easiest way to view the best deals on flights from London to Perth today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Heathrow to Perth start at just £607 and range up to £1,092.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near London and Perth - booking your flight during December, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your London to Perth flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to Perth for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. 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