Flights from Sydney to London Heathrow with Thai Airways

Our cheapest offers for flights from Sydney to London Heathrow

Here you can compare cheap flights from Sydney (SYD) to London Heathrow (LHR) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to London Heathrow. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Sydney
London Heathrow
Outbound
27/09/25
1 Stopover (BKK)
TG0476, TG0910
30h 15min
Return
15/10/25
1 Stopover (BKK)
TG0917, TG0471
27h 55min
Thai Airways
£1,068
Sydney
London Heathrow
Outbound
27/09/25
1 Stopover (BKK)
TG0476, TG0910
30h 15min
Return
15/10/25
1 Stopover (BKK)
TG0917, TG0475
38h 05min
Thai Airways ?
£1,090
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: Sydney - London Heathrow

Outbound and return from 838,58 £
Flight duration min. 22:00 / max. 22:25
Return flight duration min. 20:30/ max. 21:00
Distance 17039 km
Flights per week 16
Departure airport Airport Sydney Kingsford Smith (SYD)
Departure country Flights from Australia
Arrival airport Airport London Heathrow (LHR)
Destination country Flights to United Kingdom
Alternative flights to London Heathrow
Popular destinations for onward travel