Title: £604 Cheap British Airways flights from London to Sydney (LHR→SYD) - Expedia.co.uk ![](https://images.trvl-media.com/place/178312/136253ce-3061-45f8-b8d7-9d9fb2223786.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178312/136253ce-3061-45f8-b8d7-9d9fb2223786.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £604 Cheap British Airways flights from London to Sydney (LHR→SYD) [View £604 flight on Tue, 10 Mar 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=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:603.02&airProductToken=AQpjCjAIwoIBEgQ3MDA2GOuJASDDOyjFnYcDMNWghwM4T0AAWAFqA0JBR3IIT05ORjg3UzcKLwjCggESBDYzOTQYwzsgkh4ohKKHAzDWqIcDOE9AAVgBagNCQUdyCE9OTkY4N1M3EgoIARABGAEqAkJBGAEiBAgBEAEoAigDKAQwDQ) - [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 - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## British Airways flights from London to Sydney (LHR→SYD) Prices were available within the past 7 days and start at £604 for one-way flights and £900 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) Sat, 14 Mar - Sun, 29 Mar LHR London SYD Sydney £900 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SYD,departure:14/03/2026TANYT&leg2=from:SYD,to:LHR,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:899.82&airProductToken=AQoyCjAIwoIBEgIxNRjriQEgkh4ozNCHAzCr24cDOE9AAFgBagVOT0JBR3IIT05OWjkwQjcKMgowCMKCARICMTYYkh4g64kBKNjxiAMw6fyIAzhPQABYAWoFTk9CQUdyCE9OTlo5MEI3EgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) Flight from London to Sydney route information | Origin airport | Heathrow | | --- | --- | | Destination airport | Kingsford Smith Intl. | | 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, Singapore Airlines, Thai Airways International, Turkish Airlines, United, Vietnam Airlines | | Popular airline | Cathay Pacific | | Distance | 16918 km | | Average flight time | 32 hours 10 mins | - Trending British Airways Flights - Trending Routes - Related Airlines - Nearby Airports - Flights from Other Cities - Expedia's Latest Trends ### Most Popular British Airways Routes from London - [British Airways LHR to HND](https://expedia.co.uk/lp/flight-routes/british-airways-from-heathrow-to-haneda/ba/lhr/hnd) - [British Airways LHR to JNB](https://expedia.co.uk/lp/flight-routes/british-airways-from-heathrow-to-or-tambo-intl/ba/lhr/jnb) - [British Airways LHR to DEL](https://expedia.co.uk/lp/flight-routes/british-airways-from-heathrow-to-indira-gandhi-intl/ba/lhr/del) - [British Airways LHR to LIN](https://expedia.co.uk/lp/flight-routes/british-airways-from-heathrow-to-linate/ba/lhr/lin) - [British Airways LHR to MXP](https://expedia.co.uk/lp/flight-routes/british-airways-from-heathrow-to-malpensa-intl/ba/lhr/mxp) - [British Airways LHR to CDG](https://expedia.co.uk/lp/flight-routes/british-airways-from-heathrow-to-roissy-charles-de-gaulle/ba/lhr/cdg) - [British Airways LHR to IST](https://expedia.co.uk/lp/flight-routes/british-airways-from-heathrow-to-istanbul/ba/lhr/ist) - [British Airways LHR to YYZ](https://expedia.co.uk/lp/flight-routes/british-airways-from-heathrow-to-pearson-intl/ba/lhr/yyz) - [British Airways LHR to EWR](https://expedia.co.uk/lp/flight-routes/british-airways-from-heathrow-to-newark-liberty-intl-airport/ba/lhr/ewr) - [British Airways LHR to DXB](https://expedia.co.uk/lp/flight-routes/british-airways-from-heathrow-to-dubai-intl/ba/lhr/dxb) - [British Airways LHR to JFK](https://expedia.co.uk/lp/flight-routes/british-airways-from-heathrow-to-john-f-kennedy-intl/ba/lhr/jfk) ### Most Popular British Airways Routes from Sydney - [British Airways SYD to GLA](https://expedia.co.uk/lp/flight-routes/british-airways-from-kingsford-smith-intl-to-glasgow-intl/ba/syd/gla) - [London to Marrakech (LGW - RAK)](https://expedia.co.uk/lp/flights/lgw/rak/london-to-marrakech) - [London to Paris (LHR - CDG)](https://expedia.co.uk/lp/flights/lhr/cdg/london-to-paris) - [London to Singapore (LHR - SIN)](https://expedia.co.uk/lp/flights/lhr/sin/london-to-singapore) - [London to Johannesburg (LHR - JNB)](https://expedia.co.uk/lp/flights/lhr/jnb/london-to-johannesburg) - [London to Bangkok (LGW - BKK)](https://expedia.co.uk/lp/flights/lgw/bkk/london-to-bangkok) - [London to Delhi (LHR - DEL)](https://expedia.co.uk/lp/flights/lhr/del/london-to-delhi) - [London to Tokyo (LHR - HND)](https://expedia.co.uk/lp/flights/lhr/hnd/london-to-tokyo) - [London to Denpasar (LHR - DPS)](https://expedia.co.uk/lp/flights/lhr/dps/london-to-denpasar) - [London to Paris (LHR - CDG)](https://expedia.co.uk/lp/flights/lhr/cdg/london-to-paris) - [London to Bangkok (LHR - BKK)](https://expedia.co.uk/lp/flights/lhr/bkk/london-to-bangkok) ### Popular Domestic Routes in Kingsford Smith Intl. - [London to Johannesburg (LHR - JNB)](https://expedia.co.uk/lp/flights/lhr/jnb/london-to-johannesburg) - [London to Bangkok (LGW - BKK)](https://expedia.co.uk/lp/flights/lgw/bkk/london-to-bangkok) - [London to Denpasar (LHR - DPS)](https://expedia.co.uk/lp/flights/lhr/dps/london-to-denpasar) - [London to Marrakech (LGW - RAK)](https://expedia.co.uk/lp/flights/lgw/rak/london-to-marrakech) - [London to Singapore (LHR - SIN)](https://expedia.co.uk/lp/flights/lhr/sin/london-to-singapore) - [London to Amsterdam (LHR - AMS)](https://expedia.co.uk/lp/flights/lhr/ams/london-to-amsterdam) - [London to Dubai (LHR - DXB)](https://expedia.co.uk/lp/flights/lhr/dxb/london-to-dubai) - [London to Delhi (LHR - DEL)](https://expedia.co.uk/lp/flights/lhr/del/london-to-delhi) - [London to Edinburgh (LHR - EDI)](https://expedia.co.uk/lp/flights/lhr/edi/london-to-edinburgh) - [London to Milan (LHR - MXP)](https://expedia.co.uk/lp/flights/lhr/mxp/london-to-milan) ### Related Airlines - [British Airways](https://expedia.co.uk/British-Airways-Flights.cBA.Travel-Guide-Airlines) - [Air France](https://expedia.co.uk/Air-France-Flights.cAF.Travel-Guide-Airlines) - [KLM](https://expedia.co.uk/KLM-Flights.cKL.Travel-Guide-Airlines) - [Lufthansa](https://expedia.co.uk/Lufthansa-Flights.cLH.Travel-Guide-Airlines) - [Turkish Airlines](https://expedia.co.uk/Turkish-Airlines-Flights.cTK.Travel-Guide-Airlines) - [Swiss International Air Lines](https://expedia.co.uk/Swiss-International-Air-Lines-Flights.cLX.Travel-Guide-Airlines) - [Qatar Airways](https://expedia.co.uk/Qatar-Airways-Flights.cQR.Travel-Guide-Airlines) - [Iberia](https://expedia.co.uk/Iberia-Flights.cIB.Travel-Guide-Airlines) - [Virgin Atlantic](https://expedia.co.uk/Virgin-Atlantic-Flights.cVS.Travel-Guide-Airlines) - [SAS](https://expedia.co.uk/Scandinavian-Airlines-Flights.cSK.Travel-Guide-Airlines) - [Etihad Airways](https://expedia.co.uk/Etihad-Airways-Flights.cEY.Travel-Guide-Airlines) - [Austrian Airlines](https://expedia.co.uk/Austrian-Airlines-Flights.cOS.Travel-Guide-Airlines) - [LOT-Polish Airlines](https://expedia.co.uk/LOT-Polish-Airlines-Flights.cLO.Travel-Guide-Airlines) - [Finnair](https://expedia.co.uk/Finnair-Flights.cAY.Travel-Guide-Airlines) - [Aer Lingus](https://expedia.co.uk/Aer-Lingus-Flights.cEI.Travel-Guide-Airlines) - [Emirates](https://expedia.co.uk/Emirates-Flights.cEK.Travel-Guide-Airlines) ### Nearby Airports - [Farnborough Airport (FAB)](https://expedia.co.uk/lp/airports/fab/flights-from-farnborough-airport) - [London City Airport (LCY)](https://expedia.co.uk/lp/airports/lcy/flights-from-london-city-airport) - [Gatwick Airport (LGW)](https://expedia.co.uk/lp/airports/lgw/flights-from-gatwick-airport) - [Luton Airport (LTN)](https://expedia.co.uk/lp/airports/ltn/flights-from-luton-airport) - [Stansted Airport (STN)](https://expedia.co.uk/lp/airports/stn/flights-from-stansted-airport) - [Oxford Airport (OXF)](https://expedia.co.uk/lp/airports/oxf/flights-from-oxford-airport) - [Southend Airport (SEN)](https://expedia.co.uk/lp/airports/sen/flights-from-southend-airport) - [Southampton Airport (SOU)](https://expedia.co.uk/lp/airports/sou/flights-from-southampton-airport) - [Cambridge Airport (CBG)](https://expedia.co.uk/lp/airports/cbg/flights-from-cambridge-airport) - [Coventry Airport (CVT)](https://expedia.co.uk/lp/airports/cvt/flights-from-coventry-airport) - 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