Title: £518 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)

# £518 Cheap British Airways flights from Sydney to London (SYD→LHR)

[View £518 flight on Tue, 28 Apr 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:SYD,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:517.60&airProductToken=AQp7CjsIwoIBEgQ2Mzk2GJIeIMM7KIXGiwMw_8yLAzhPQABYAWoDQkFHcghPTE5GODVTNnoKCNGkARIENjM5Ngo8CMKCARIENzAwMxjDOyDriQEows6LAzD_0YsDOE9AAVgBagNCQUdyCE9MTkY4NVM2egoI0aQBEgQ3MDAzEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) 

- [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

- ![](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 25% 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.co.uk/login)

## British Airways flights from Sydney to London (SYD→LHR)

Prices were available within the past 7 days and start at £518 for one-way flights and £933 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)

Thu, 12 Mar - Sat, 14 Mar

SYD

Sydney

LHR

London

£933

Return

found 19 hours ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SYD,to:LHR,departure:12/03/2026TANYT&leg2=from:LHR,to:SYD,departure:14/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:932.19&airProductToken=AQpjCi8IwoIBEgIxNhiSHiCSaijgsocDMMW2hwM4T0AAWAFqBU5PQkFHcghPTE5DMDBCNgowCMKCARICMTIYkmog64kBKLO3hwMwo76HAzhPQAFYAWoFTk9CQUdyCE9MTkMwMEI2CjIKMAjCggESAjE1GOuJASCSHijM0IcDMKvbhwM4T0AAWAFqBU5PQkFHcghPTE5DMDBCNhIKCAEQARgBKgJCQRgBIgQIARABKAIoAzAN)

## Find the cheapest month to fly from Sydney (SYD) to London (LHR)

### May is typically the cheapest month to fly

From £637 - £865 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:05/02/2026TANYT&leg2=from:LGW,to:SYD,departure:08/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE)

LGW

Gatwick

Cheapest

52 min

[Flights from £982

](https://www.expedia.co.uk/Flights-Search?leg1=from:SYD,to:LGW,departure:05/02/2026TANYT&leg2=from:LGW,to:SYD,departure:08/02/2026TANYT&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:05/02/2026TANYT&leg2=from:LCY,to:SYD,departure:15/02/2026TANYT&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 £1,108

](https://www.expedia.co.uk/Flights-Search?leg1=from:SYD,to:LCY,departure:05/02/2026TANYT&leg2=from:LCY,to:SYD,departure:15/02/2026TANYT&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 Airlines, China Southern Airlines, Emirates, Etihad Airways, KLM, Korean Air, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Thai Airways International, Vietnam Airlines, Virgin Atlantic |
| Popular airline     | British Airways                                                                                                                                                                                                                                                                                                         |
| Distance            | 16918 km                                                                                                                                                                                                                                                                                                                |
| Average flight time | 13 hours 42 mins                                                                                                                                                                                                                                                                                                        |

\*Available to Expedia members.