Title: £258 Flights from Sydney to London Heathrow (SYD to LHR) - Expedia.co.uk ![](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) # £258 Cheap Flights from Sydney (SYD) to London (LHR) [View £258 flight on Thu, 26 Mar 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:SYD,to:LHR,departure:26/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:257.40&airProductToken=AQpTCicIyogBEgM0ODAYkh4gk3Aon82IAzDW0ogDOFRAAFgBcgZUTzVDTkYKKAjKiAESAzQzMRiTcCDriQEopNyIAzD04YgDOFRAAVgBcgZUTzVDTkYSCggBEAEYASoCSkQYASIECAEQASgCKAQoBjAB) - [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 Sydney Airport (SYD) to Heathrow Airport (LHR) - ![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:SYD,to:LHR,departure:14/12/2025TANYT&leg2=from:LHR,to:SYD,departure:21/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QF"}}]) - ![Etihad Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EY.svg) Etihad Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:SYD,to:LHR,departure:14/12/2025TANYT&leg2=from:LHR,to:SYD,departure:21/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EY"}}]) - ![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:SYD,to:LHR,departure:14/12/2025TANYT&leg2=from:LHR,to:SYD,departure:21/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![Air India](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AI.svg) Air India [](https://www.expedia.co.uk/Flights-Search?leg1=from:SYD,to:LHR,departure:14/12/2025TANYT&leg2=from:LHR,to:SYD,departure:21/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AI"}}]) - ![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:SYD,to:LHR,departure:14/12/2025TANYT&leg2=from:LHR,to:SYD,departure:21/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QR"}}]) - ![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:SYD,to:LHR,departure:14/12/2025TANYT&leg2=from:LHR,to:SYD,departure:21/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SQ"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:SYD,to:LHR,departure:14/12/2025TANYT&leg2=from:LHR,to:SYD,departure:21/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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 Sydney (SYD) to London (LHR) Prices were available within the past 7 days and start at £258 for one-way flights and £603 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, 3 Mar - Tue, 2 Jun SYD Sydney LHR London £603 Return found 22 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SYD,to:LHR,departure:03/03/2026TANYT&leg2=from:LHR,to:SYD,departure:02/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:602.34&airProductToken=AQpXCikIw7QBEgM2MDIYkh4ggmgo1smGAzCVzoYDOFpAAFgBcghaMkxaTVVQWAoqCMO0ARIDMzAzGIJoIOuJASj02IYDMPvehgM4VkABWAFyCFoyTFpNVVBYClcKKgjDtAESAzMwNBjriQEggmgo1tSOAzCS2o4DOFZAAFgBcghaMkxaTVVQWAopCMO0ARIDMzI1GIJoIJIeKIzcjgMwweCOAzhaQAFYAXIIWjJMWk1VUFgSCggIEAIYAioCQ1oYASIECAEQASgHKAMoBDAB) ![China Eastern Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/MU.gif) Tue, 3 Mar - Tue, 10 Mar SYD Sydney LHR London £671 Return found 18 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SYD,to:LHR,departure:03/03/2026TANYT&leg2=from:LHR,to:SYD,departure:10/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:670.03&airProductToken=AQpfCi0IzaoBEgM3MzYYkh4grzUo9s-GAzDs1IYDOFRAAFgBagJFU3IIVFNFMDBPU1IKLgjNqgESAzU1MRivNSDriQEo6tiGAzC63oYDOFRAAVgBagJFU3IIVFNFMDBPU1IKXwouCM2qARIDNTUyGOuJASCvNSjMo4cDMOqohwM4VEAAWAFqAkVTcghUU0UwME9TUgotCM2qARIDNTYxGK81IJIeKIerhwMw5K-HAzhUQAFYAWoCRVNyCFRTRTAwT1NSEgoIARABGAEqAk1VGAEiBAgBEAEoAigDKAQwAQ) ![Air China](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CA.GIF) Thu, 5 Mar - Fri, 13 Mar SYD Sydney LHR London £721 Return found 18 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SYD,to:LHR,departure:05/03/2026TANYT&leg2=from:LHR,to:SYD,departure:13/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:720.89&airProductToken=AQplCjAIw4IBEgMxNzQYkh4gj1EohOaGAzC264YDOExAAFgBagdGTEVYRUNPcgZMUkNBVTYKMQjDggESAzg1NRiPUSDriQEogu-GAzCb9IYDOExAAVgBagdGTEVYRUNPcgZMUkNBVTYKZQoxCMOCARIDOTM4GOuJASCPUSiJxYcDMObJhwM4TEAAWAFqB0ZMRVhFQ09yBkxSQ0FVNgowCMOCARIDMTczGI9RIJIeKPDOhwMwjtSHAzhMQAFYAWoHRkxFWEVDT3IGTFJDQVU2EgoIARABGAEqAkNBGAEiBAgBEAEoAigEKAYwAQ) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Sun, 26 Jul - Thu, 3 Sept SYD Sydney LHR London £804 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SYD,to:LHR,departure:26/07/2026TANYT&leg2=from:LHR,to:SYD,departure:03/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:803.15&airProductToken=AQquAQpACMyQARIENzI1MRiSHiCSaijcqpMDMNqukwM4VEAAWAFqCEVDT1NBVkVScghUWDBYRFlOQ3oKCNOiARIENzI1MQozCMyQARIDNzY5GJJqIIwVKL2xkwMwsLeTAzhUQAFYAWoIRUNPU0FWRVJyCFRYMFhEWU5DCjUIzJABEgQyNDcwGIwVIOuJASj2t5MDMPO4kwM4VEABWAFqCEVDT1NBVkVScghUWDBYRFlOQwqtAQo0CMyQARIDOTE1GOuJASClBCje6JYDML3plgM4S0AAWAFqCEVDT1NBVkVScghLWDBYRFlOQwozCMyQARIDNzk2GKUEIMcyKJzqlgMw8e-WAzhLQAFYAWoIRUNPU0FWRVJyCEtYMFhEWU5DCkAIzJABEgQ3MDAxGMcyIJIeKL7xlgMw2vWWAzhLQAFYAWoIRUNPU0FWRVJyCEtYMFhEWU5DegoIw7ABEgQ3MDAxEgoIAhABGAIqAkxIGAEiBAgBEAEoAigDKAQwCw) ![Etihad Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EY.GIF) Thu, 5 Mar - Fri, 6 Mar SYD Sydney LHR London £817 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SYD,to:LHR,departure:05/03/2026TANYT&leg2=from:LHR,to:SYD,departure:06/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:816.59&airProductToken=AQpmCjEIxbIBEgM0NTUYkh4ggD0oxeaGAzCc7YYDOEVAAFgBagZZQkFTSUNyCEVOTjA0SDVHCjEIxbIBEgI2MxiAPSDriQEo2u6GAzC18oYDOEVAAVgBagZZQkFTSUNyCEVOTjA0SDVHCmYKMQjFsgESAjY4GOuJASCAPSjH9oYDMOH5hgM4RUAAWAFqBllCQVNJQ3IIRU5OMDRINUcKMQjFsgESAzQ1MBiAPSCSHijj-oYDMJeBhwM4RUABWAFqBllCQVNJQ3IIRU5OMDRINUcSCggBEAEYASoCRVkYASIECAEQASgCKAMoBDAB) ![Japan Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/JL.gif) Wed, 3 Jun - Tue, 16 Jun SYD Sydney LHR London £822 Return found 11 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SYD,to:LHR,departure:03/06/2026TANYT&leg2=from:LHR,to:SYD,departure:16/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:821.29&airProductToken=AQpjCigIypgBEgI1MhiSHiCnGyi_1Y4DMI3ajgM4U0AAWAFyCFNOTjBOUENFCjcIypgBEgQ3MDgzGKcbIOuJASiW4Y4DMJDojgM4U0ABWAFyCFNOTjBOUENFegoIwoIBEgQ3MDgzClUKKQjKmAESAjQyGOuJASCnGyio7I8DMNfyjwM4U0AAWAFyCFNOTjBOUENFCigIypgBEgI1MRinGyCSHijA-I8DMIT9jwM4U0ABWAFyCFNOTjBOUENFEgoIARABGAEqAkpMGAEiBAgBEAEoAigEKAYwAQ) ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Wed, 11 Mar - Fri, 13 Mar SYD Sydney LHR London £838 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SYD,to:LHR,departure:11/03/2026TANYT&leg2=from:LHR,to:SYD,departure:13/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:837.89&airProductToken=AQpeCiwI1JYBEgMxNzUYkh4gyJwBKOephwMw8bOHAzhXQABYAWoCUFNyBldGM1hQQwouCNSWARIEMTk4ORjInAEg64kBKPO0hwMw8raHAzhXQAFYAWoCUFNyBldGM1hQQwpeCi4I1JYBEgQxOTg4GOuJASDInAEoy76HAzC7wIcDOFdAAFgBagJQU3IGV0YzWFBDCiwI1JYBEgMxNzQYyJwBIJIeKJXBhwMw1MqHAzhXQAFYAWoCUFNyBldGM1hQQxIKCAEQARgBKgJUSxgBIgQIARABKAIoAygEMAE) ![Vietnam Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VN.gif) Mon, 11 May - Mon, 1 Jun SYD Sydney LHR London £848 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SYD,to:LHR,departure:11/05/2026TANYT&leg2=from:LHR,to:SYD,departure:01/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:847.89&airProductToken=AQpSCicI1pwBEgM3NzIYkh4g0mkor9OMAzC814wDOFRAAFgBcgZUTDFZQVUKJwjWnAESAjUxGNJpIOuJASiS4IwDMLLmjAM4VEABWAFyBlRMMVlBVQpSCicI1pwBEgI1NhjriQEgh2go88eOAzC0zY4DOFRAAFgBcgZUTDFZQVUKJwjWnAESAzc4NxiHaCCSHijS0o4DMIfXjgM4VEABWAFyBlRMMVlBVRIKCAEQARgBKgJWThgBIgQIARABKAIoBCgGMAE) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Thu, 12 Mar - Tue, 17 Mar SYD Sydney LHR London £851 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SYD,to:LHR,departure:12/03/2026TANYT&leg2=from:LHR,to:SYD,departure:17/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:850.19&airProductToken=AQpVCigIz7QBEgM2MDIYkh4gyGgo-K-HAzD4tIcDOFdAAFgBcgdXTEFPUDMwCikIz7QBEgM1MjEYyGgg64kBKI29hwMw_cOHAzhXQAFYAXIHV0xBT1AzMApVCikIz7QBEgM1MjIY64kBIMhoKPrxhwMw8veHAzhXQABYAXIHV0xBT1AzMAooCM-0ARIDNjAxGMhoIJIeKPT4hwMw4P2HAzhXQAFYAXIHV0xBT1AzMBIKCAEQARgBKgJPWhgBIgQIARABKAIoBCgGMAE) ![Austrian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/OS.gif) Thu, 14 May - Thu, 4 Jun SYD Sydney LHR London £852 Return found 6 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SYD,to:LHR,departure:14/05/2026TANYT&leg2=from:LHR,to:SYD,departure:04/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:851.95&airProductToken=AQqrAQpACM-mARIEODY0MBiSHiDBUiii94wDMNL7jAM4TEAAWAFqCEVDT1NBVkVScghMWDBYRFlOQ3oKCNSOARIEODY0MAoxCM-mARIBOBjBUiCVIijo_IwDMPeBjQM4TEABWAFqCEVDT1NBVkVScghMWDBYRFlOQwo0CM-mARIDMzMxGJUiIOuJASjCgo0DMNiDjQM4TEABWAFqCEVDT1NBVkVScghMWDBYRFlOQwqrAQo0CM-mARIDMzM4GOuJASCVIij26Y4DMPjqjgM4TEAAWAFqCEVDT1NBVkVScghMWDBYRFlOQwoxCM-mARIBNxiVIiDBUiiv644DMJbwjgM4TEABWAFqCEVDT1NBVkVScghMWDBYRFlOQwpACM-mARIEODYzORjBUiCSHijY844DMPT3jgM4TEABWAFqCEVDT1NBVkVScghMWDBYRFlOQ3oKCNSOARIEODYzORIKCAIQARgCKgJPUxgBIgQIARABKAIoAygEMAs) ![](https://forever.travel-assets.com/flex/flexmanager/images/2025/11/05/BEX-BF-25_FR-DE-MX-UK_1_Desktop.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## Black Friday Sale Save up to 40% on select hotels. [Book now](https://expedia.co.uk/cheap-deals?rfrr=FTG_BF_PROMO_) ## Find the cheapest month to fly from Sydney (SYD) to London (LHR) ### March is typically the cheapest month to fly From £650 - £902 per traveller. ## Alternative airports near London Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.co.uk/Flights-Search?leg1=from:SYD,to:LGW,departure:14/12/2025TANYT&leg2=from:LGW,to:SYD,departure:04/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LGW Gatwick 52 min [Flights from £1,644](https://www.expedia.co.uk/Flights-Search?leg1=from:SYD,to:LGW,departure:14/12/2025TANYT&leg2=from:LGW,to:SYD,departure:04/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.co.uk/Flights-Search?leg1=from:SYD,to:LCY,departure:14/12/2025TANYT&leg2=from:LCY,to:SYD,departure:16/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LCY London City CheapestClosest 21 min [Flights from £1,471](https://www.expedia.co.uk/Flights-Search?leg1=from:SYD,to:LCY,departure:14/12/2025TANYT&leg2=from:LCY,to:SYD,departure:16/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) Flight from Sydney to London route information | Origin airport | Kingsford Smith Intl. | | --- | --- | | Destination airport | Heathrow | | Airlines serving | Air Canada, Air China, Air France, Air India, Asiana Airlines, British Airways, Cathay Pacific, China Eastern Airlines, China Southern Airlines, Emirates, Etihad Airways, Finnair, KLM, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Thai Airways International, Turkish Airlines, Vietnam Airlines | | Return price | £602 | | Distance | 16918 km | | Average flight time | 13 hours 52 mins | ## Compare flights from Sydney to London easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Sydney to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Kingsford Smith Intl. to Heathrow.   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 Kingsford Smith Intl. (SYD) to Heathrow (LHR) The easiest way to view the best deals on flights from Sydney to London 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 Kingsford Smith Intl. to Heathrow start at just £603 and range up to £852.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Sydney and London - booking your flight during March, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Sydney to London flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Kingsford Smith Intl. to Heathrow 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. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from Mascot Airport to London Heathrow? > Round-trip journeys from SYD to LHR start from £603. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Sydney Airport to Heathrow Airport? > Each airline has a different set of terms and conditions. If you decide to cancel your escape, visit our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from Kingsford Smith Intl. Airport (SYD) to Heathrow 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 Mascot Airport to LHR flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Mascot Airport to Heathrow Airport (LHR)? > With around 17,000 kilometres separating Sydney and Hounslow, your flight will be a long one. Pack wisely and make your time in the air comfortable. Simple things like a sleep mask and a good travel pillow can make the biggest difference. ### Which airlines fly direct from Sydney Airport to LHR? > There are no direct flights, so you'll need to make at least one stop between SYD and Heathrow Airport (LHR). Use the layover time to stretch your legs and take a break. ### Are Sydney Airport to LHR flight tickets cheaper when they're purchased at the last minute? > Tickets from Kingsford Smith Intl. Airport (SYD) to Heathrow Airport (LHR) are available up to 12 months prior to departure on Expedia. And although you may occasionally nab a fantastic last-minute deal, it's never something you can count on. Also, booking your flights well in advance means you'll have more choices — and you can avoid ending up with the dreaded middle seat! We frequently update our fares to bring you the best bargains, so check back often for all the latest specials. ## Explore a world of travel with Expedia - Accommodation - Flights ### Accommodation - [London Hotels](https://www.expedia.co.uk/London-Hotels.d178279.Travel-Guide-Hotels) ### Flights - [Flights to London](https://www.expedia.co.uk/Cheap-Flights-To-London.d178279.Travel-Guide-Flights) - [Flights from Abidjan (ABJ) to London (LON)](https://www.expedia.co.uk/lp/flights/abj/lon/abidjan-to-london) - [Flights from Aberdeen (ABZ) to London (LON)](https://www.expedia.co.uk/lp/flights/abz/lon/aberdeen-to-london) - [Flights from Accra (ACC) to London (LON)](https://www.expedia.co.uk/lp/flights/acc/lon/accra-to-london) - [Flights from Izmir (ADB) to London (LON)](https://www.expedia.co.uk/lp/flights/adb/lon/izmir-to-london) - [Flights from Málaga (AGP) to London (LON)](https://www.expedia.co.uk/lp/flights/agp/lon/malaga-to-london) - [Flights from Alicante (ALC) to London (LON)](https://www.expedia.co.uk/lp/flights/alc/lon/alicante-to-london) - 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