Title: CA $685 Cheap Flights from Perth (PER) to London (LON) - Expedia.ca ![](https://images.trvl-media.com/place/178279/2a1d5619-553b-468a-a773-e81b88024741.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178279/2a1d5619-553b-468a-a773-e81b88024741.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $685 Cheap Flights from Perth (PER) to London (LON) [View CA $685 flight on Sat, May 2, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:PER,to:LHR,departure:02/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:685.00&airProductToken=AQqZAQoxCMqiARICOTcYj4kBIJJqKOztiwMwp_CLAzhJQABYAWoGWUJBU0lDcghFTk4yMEg1OQoxCMWyARIDNDk5GJJqIIA9KIz0iwMwxPeLAzhFQAFYAWoGWUJBU0lDcghFTk4yMEg1OQoxCMWyARICNjEYgD0g64kBKLz4iwMwiPyLAzhFQAFYAWoGWUJBU0lDcghFTk4yMEg1ORIKCAEQARgBKgJFWRgBIgQIARABKAIoAygEMAE) ## Popular airlines from Perth Airport (PER) to London - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EK.svg) Emirates [](https://www.expedia.ca/Flights-Search?leg1=from:PER,to:LON,departure:04/04/2026TANYT&leg2=from:LON,to:PER,departure:11/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EK"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QR.svg) Qatar Airways [](https://www.expedia.ca/Flights-Search?leg1=from:PER,to:LON,departure:04/04/2026TANYT&leg2=from:LON,to:PER,departure:11/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QR"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VA.svg) Virgin Australia [](https://www.expedia.ca/Flights-Search?leg1=from:PER,to:LON,departure:04/04/2026TANYT&leg2=from:LON,to:PER,departure:11/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SQ.svg) Singapore Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:PER,to:LON,departure:04/04/2026TANYT&leg2=from:LON,to:PER,departure:11/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SQ"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QF.svg) Qantas Airways [](https://www.expedia.ca/Flights-Search?leg1=from:PER,to:LON,departure:04/04/2026TANYT&leg2=from:LON,to:PER,departure:11/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QF"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.ca/Flights-Search?leg1=from:PER,to:LON,departure:04/04/2026TANYT&leg2=from:LON,to:PER,departure:11/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_MH.svg) Malaysia Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:PER,to:LON,departure:04/04/2026TANYT&leg2=from:LON,to:PER,departure:11/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"MH"}}]) - ![](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\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](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.ca/login) ## Cheap flights from Perth (PER) to London (LON) Prices were available within the past 7 days and start at CA $685 for one-way flights and CA $1,391 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Qantas Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QF.gif) Mon, May 11 - Mon, May 18 PER Perth LHR London CA $1,391 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PER,to:LHR,departure:11/05/2026TANYT&leg2=from:LHR,to:PER,departure:18/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1391.00&airProductToken=AQqZAQoxCNGMARICNzEYj4kBIJJqKJ_VjAMw7teMAzhRQABYAWoGWUJBU0lDcghFTk4yMEg1OQoxCMWyARIDNDk5GJJqIIA9KKzZjAMw5NyMAzhFQAFYAWoGWUJBU0lDcghFTk4yMEg1OQoxCMWyARICNjEYgD0g64kBKNzdjAMwqOGMAzhFQAFYAWoGWUJBU0lDcghFTk4yMEg1ORIKCAEQARgBKgJFWRgBIgQIARABKAIoAygEMAE) ![Cathay Pacific](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CX.gif) Wed, Nov 4 - Tue, Nov 17 PER Perth LHR London CA $1,392 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PER,to:LHR,departure:04/11/2026TANYT&leg2=from:LHR,to:PER,departure:17/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1391.30&airProductToken=AQpuCjUIw7ABEgMxNDAYj4kBIMcyKPmWnAMwxZqcAzhOQABYAWoJRUNPTkxJR0hUcghOUjIxQVVJUgo1CMOwARIDMjM5GMcyIOuJASjgm5wDMNCinAM4TkABWAFqCUVDT05MSUdIVHIITlIyMUFVSVIKbgo1CMOwARIDMjM4GOuJASDHMijStJ0DMMC6nQM4TkAAWAFqCUVDT05MSUdIVHIITlIyMUFVSVIKNQjDsAESAzE3MRjHMiCPiQEouLudAzD_vp0DOE5AAVgBaglFQ09OTElHSFRyCE5SMjFBVUlSEgoIARABGAEqAkNYGAEiBAgBEAEoAigEKAYwAQ) ![Qatar Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QR.gif) Sun, May 3 - Sat, May 16 PER Perth LGW London CA $1,492 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PER,to:LGW,departure:03/05/2026TANYT&leg2=from:LGW,to:PER,departure:16/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1492.00&airProductToken=AQpsCjQI0aQBEgM5MDEYj4kBIMM7KJWAjAMws4WMAzhPQABYAWoIRUNMQVNTSUNyCE9KQVVQNFJFCjQI0aQBEgMzMjcYwzsgy7EBKICHjAMwqYqMAzhPQAFYAWoIRUNMQVNTSUNyCE9KQVVQNFJFCmwKNAjRpAESAzMzMBjLsQEgwzsooI-NAzCwko0DOE9AAFgBaghFQ0xBU1NJQ3IIT0pBVVA0UkUKNAjRpAESAzkwMBjDOyCPiQEowpaNAzDbm40DOE9AAVgBaghFQ0xBU1NJQ3IIT0pBVVA0UkUSCggBEAEYASoCUVIYASIECAEQASgCKAQoBjAB) ![Malaysia Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/MH.gif) Wed, Nov 4 - Tue, Nov 17 PER Perth LHR London CA $1,576 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PER,to:LHR,departure:04/11/2026TANYT&leg2=from:LHR,to:PER,departure:17/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1576.00&airProductToken=AQpkCjEIzZABEgMxMjYYj4kBIIpdKPGXnAMwu5qcAzhPQABYAWoFQkFTSUNyCE9MVEJYUkFVCi8IzZABEgE0GIpdIOuJASiLm5wDMN2hnAM4T0ABWAFqBUJBU0lDcghPTFRCWFJBVQpkCi8IzZABEgEzGOuJASCKXSjRsZ0DMNO3nQM4T0AAWAFqBUJBU0lDcghPTFRCWFJBVQoxCM2QARIDMTI1GIpdII-JASjLuJ0DMLO7nQM4T0ABWAFqBUJBU0lDcghPTFRCWFJBVRIKCAEQARgBKgJNSBgBIgQIARABKAIoBCgGMAE) ![Japan Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/JL.gif) Fri, Sep 11 - Thu, Sep 17 PER Perth LHR London CA $1,597 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PER,to:LHR,departure:11/09/2026TANYT&leg2=from:LHR,to:PER,departure:17/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1596.60&airProductToken=AQq3AQpACMqYARIENzg4NhiPiQEgkmoo_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) ![Singapore Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SQ.gif) Wed, Nov 4 - Tue, Nov 17 PER Perth LHR London CA $1,648 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PER,to:LHR,departure:04/11/2026TANYT&leg2=from:LHR,to:PER,departure:17/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1647.30&airProductToken=AQpsCjQI06IBEgMyMTYYj4kBIJJqKKuXnAMw5pmcAzhLQABYAWoHRkY1MUFVTHIJSzE2QVVSSlBPCjQI06IBEgMzMTgYkmog64kBKN2cnAMwvqOcAzhLQAFYAWoHRkY1MUFVTHIJSzE2QVVSSlBPCmwKNAjTogESAzMwNRjriQEgkmoohrGdAzCSt50DOEtAAFgBagdGRjUxQVVMcglLMTZBVVJKUE8KNAjTogESAzIyMxiSaiCPiQEo2ridAzCVu50DOEtAAVgBagdGRjUxQVVMcglLMTZBVVJKUE8SCggCEAEYASoCU1EYASIECAEQASgCKAMoBDAP) ![China Southern Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CZ.gif) Mon, May 11 - Mon, May 18 PER Perth LHR London CA $1,677 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PER,to:LHR,departure:11/05/2026TANYT&leg2=from:LHR,to:PER,departure:18/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1676.50&airProductToken=AQpYCioIw7QBEgMzMjAYj4kBIIJoKMfajAMwnd6MAzhRQABYAXIIUTJMU1JZUFgKKgjDtAESAzMwMxiCaCDriQEolOGMAzCM54wDOEFAAVgBcghRMkxTUllQWApYCioIw7QBEgMzMDQY64kBIIJoKParjQMwt7GNAzhWQABYAXIIWjJBUEhZUFgKKgjDtAESAzMxORiCaCCPiQEoo7uNAzCDv40DOFpAAVgBcghaMkFQSFlQWBIKCAEQARgBKgJDWhgBIgQIARABKAIoAygEMAE) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Wed, Nov 4 - Tue, Nov 17 PER Perth LHR London CA $1,706 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PER,to:LHR,departure:04/11/2026TANYT&leg2=from:LHR,to:PER,departure:17/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1705.80&airProductToken=AQq7AQpBCMyQARIEOTc4NRiPiQEgkmoo4Z6cAzCSoZwDOFNAAFgBaghFQ09TQVZFUnIIU1gwWElZTkN6CgjTogESBDk3ODUKMwjMkAESAzc2ORiSaiCMFSjxoZwDMP2nnAM4U0ABWAFqCEVDT1NBVkVScghTWDBYSVlOQwpBCMyQARIENDE5MhiMFSDriQEozaicAzDFqZwDOFNAAVgBaghFQ09TQVZFUnIIU1gwWElZTkN6CgjWmAESBDQxOTIKuwEKQQjMkAESBDQxOTcY64kBIIwVKI61nQMw_LWdAzhTQABYAWoIRUNPU0FWRVJyCFNYMFhJWU5DegoI1pgBEgQ0MTk3CjMIzJABEgM3NjgYjBUgkmoo4LadAzC1vJ0DOFNAAVgBaghFQ09TQVZFUnIIU1gwWElZTkMKQQjMkAESBDk3ODgYkmogj4kBKI-9nQMwu7-dAzhTQAFYAWoIRUNPU0FWRVJyCFNYMFhJWU5DegoI06IBEgQ5Nzg4EgoIARABGAEqAkxIGAEiBAgBEAEoAigDKAQwCw) ![Etihad Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EY.GIF) Tue, May 19 - Mon, May 25 PER Perth LHR London CA $1,810 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PER,to:LHR,departure:19/05/2026TANYT&leg2=from:LHR,to:PER,departure:25/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1810.00&airProductToken=AQqnAQo_CMWyARIENTY1MRiPiQEgil0os7SNAzCRt40DOEVAAFgBagZZQkFTSUNyCEVOTjBJSDU5egoIz4gBEgQ1NjUxCjEIxbIBEgM0ODkYil0ggD0orrmNAzDSvI0DOEVAAVgBagZZQkFTSUNyCEVOTjBJSDU5CjEIxbIBEgI2NxiAPSDriQEoor2NAzDpwI0DOEVAAVgBagZZQkFTSUNyCEVOTjBJSDU5CqcBCjEIxbIBEgI2OBjriQEggD0ovfqNAzDc_Y0DOEVAAFgBagZZQkFTSUNyCEVOTjBJSDU5CjEIxbIBEgM0ODYYgD0gil0oif6NAzDBgY4DOEVAAVgBagZZQkFTSUNyCEVOTjBJSDU5Cj8IxbIBEgQ1NjQ3GIpdII-JASjFg44DMJ6GjgM4RUABWAFqBllCQVNJQ3IIRU5OMElINTl6CgjPiAESBDU2NDcSCggBEAEYASoCRVkYASIECAEQASgCKAMoBDAB) ![Emirates](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EK.gif) Sun, Mar 22 - Sun, Mar 29 PER Perth LGW London CA $1,865 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PER,to:LGW,departure:22/03/2026TANYT&leg2=from:LGW,to:PER,departure:29/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1865.00&airProductToken=AQpeCi4IxZYBEgM0MjEYj4kBIOMNKLyniAMw1ayIAzhMQABYAWoCWVByCExMWE1QQVUxCiwIxZYBEgE5GOMNIMuxASi_sIgDMNG0iAM4TEAAWAFqAllQcghMTFhNUEFVMQpfCi0IxZYBEgIxMBjLsQEg4w0onfmIAzC8_IgDOExAAFgBagJZUHIITExYTVBBVTEKLgjFlgESAzQyMBjjDSCPiQEotYWJAzC_iokDOExAAFgBagJZUHIITExYTVBBVTESCggCEAEYASoCRUsYASIECAEQASgCKAMoBDAL) ## Alternative airports near London Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:PER,to:LHR,departure:04/04/2026TANYT&leg2=from:LHR,to:PER,departure:08/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LHR Heathrow 28 min [Flights from CA $1,974 ](https://www.expedia.ca/Flights-Search?leg1=from:PER,to:LHR,departure:04/04/2026TANYT&leg2=from:LHR,to:PER,departure:08/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.ca/Flights-Search?leg1=from:PER,to:LGW,departure:04/04/2026TANYT&leg2=from:LGW,to:PER,departure:08/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LGW Gatwick Cheapest 52 min [Flights from CA $1,922 ](https://www.expedia.ca/Flights-Search?leg1=from:PER,to:LGW,departure:04/04/2026TANYT&leg2=from:LGW,to:PER,departure:08/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.ca/Flights-Search?leg1=from:PER,to:STN,departure:04/04/2026TANYT&leg2=from:STN,to:PER,departure:08/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) STN Stansted 51 min [Flights from CA $1,943 ](https://www.expedia.ca/Flights-Search?leg1=from:PER,to:STN,departure:04/04/2026TANYT&leg2=from:STN,to:PER,departure:08/04/2026TANYT&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 Perth Airport (PER) to London (LON-All Airports)? ### Do I need to pay a cancellation fee if I cancel my flight from Perth Airport to London (LON-All Airports)? ### How do I find cheap flights from Perth Airport (PER) to London (LON-All Airports) that have flexible change policies? ### How far is the flight from PER to London (LON-All Airports)? ### Which airlines fly direct from PER to London (LON-All Airports)? ### Are PER to London (LON-All Airports) flight tickets cheaper when they're purchased at the last minute? ## Travel information | Origin airport | Perth | | ------------------- | --------- | | Destination airport | Heathrow | | Roundtrip price | CA $1,391 | | Distance | 14421 km | ## Book with confidence # Perth to England Flights **The easy way to book your flights from Perth to London** With Expedia, it’s simple to find and book flights to London from Perth whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to LON-All Airports, too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Perth to London today, tomorrow, or this week. **Save dollars with cheap flights from Perth, PER to LON-All Airports, LON** Sort your search results by price to find great deals on your flight from Perth to London—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to London from Perth currently is just CA $1,391 rising to CA $1,865\. Here are more money-saving tips: - Fly in May when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to London - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! **Reasons to choose Expedia for your flight to London from Perth** Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to London with Expedia today. \*Available to Expedia members.