Title: £514 Cheap British Airways flights from Sydney to London (SYD→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) # £514 Cheap British Airways flights from Sydney to London (SYD→LHR) [View £514 flight on Wed, 21 Jan 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:SYD,to:LHR,departure:21/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:513.70&airProductToken=AQp5CjoIwoIBEgQ2Mzk2GJIeIMM7KOCCgwMw2omDAzhPQABYAWoDQkFHcghPTE5GODVTNnoJCNGkARIDOTA5CjsIwoIBEgQ3MDAzGMM7IOuJASiYi4MDMN-OgwM4T0ABWAFqA0JBR3IIT0xORjg1UzZ6CQjRpAESAzAwMxIKCAEQARgBKgJCQRgBIgQIARABKAIoAygEMA0) - [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 - ![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) ## British Airways flights from Sydney to London (SYD→LHR) Prices were available within the past 7 days and start at £514 for one-way flights and £928 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Wed, 4 Mar - Wed, 11 Mar SYD Sydney LHR London £928 Return found 1 hour ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SYD,to:LHR,departure:04/03/2026TANYT&leg2=from:LHR,to:SYD,departure:11/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:927.29&airProductToken=AQoyCjAIwoIBEgIxNhiSHiDriQEo4NiGAzCZ5IYDOE9AAFgBagVOT0JBR3IIT0xOQzAwQjYKMgowCMKCARICMTUY64kBIJIeKOyuhwMwy7mHAzhPQABYAWoFTk9CQUdyCE9MTkMwMEI2EgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ## Find the cheapest month to fly from Sydney (SYD) to London (LHR) ### May is typically the cheapest month to fly From £635 - £857 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:15/01/2026TANYT&leg2=from:LGW,to:SYD,departure:22/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LGW Gatwick 52 min [Flights from £1,334 ](https://www.expedia.co.uk/Flights-Search?leg1=from:SYD,to:LGW,departure:15/01/2026TANYT&leg2=from:LGW,to:SYD,departure:22/01/2026TANYT&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:15/01/2026TANYT&leg2=from:LCY,to:SYD,departure:25/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LCY London City Closest 21 min [Flights from £1,213 ](https://www.expedia.co.uk/Flights-Search?leg1=from:SYD,to:LCY,departure:15/01/2026TANYT&leg2=from:LCY,to:SYD,departure:25/01/2026TANYT&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 Southern Airlines, Emirates, Etihad Airways, KLM, Korean Air, Malaysia Airlines, Qantas Airways, Qatar Airways, Thai Airways International, Turkish Airlines, United, Vietnam Airlines, Virgin Atlantic | | Popular airline | Qantas Airways | | Distance | 16918 km | | Average flight time | 13 hours 42 mins | \*Available to Expedia members.