How long is the flight from Heathrow to Sydney?
Flights to Sydney typically range from 22 to 24 hours, including layovers. Common stopover cities include Dubai, Doha, Singapore, and Hong Kong.
Can you fly direct to Sydney from Heathrow?
No, there are currently no direct flights to Sydney from Heathrow. The only direct flight route to Australia operates from Heathrow to Perth, so if you really want a nonstop flight, you can fly to Perth and then fly from Perth to Sydney from there.
How to get a cheap flight to Sydney?
Flight prices to Sydney are mainly affected by the season. The autumn and spring months tend to have the cheapest fares: think March, April, May, October and November.
Cheap flights from London Heathrow to Sydney
from as little as £698
20 nights in Sydney, departing London Heathrow on 27 / May / 2025 with China Southern Airlines (price found 41 hours ago)
Subject to availability, prices correct of the last 24 hours Part of the Emirates Group
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Cheap return flights from London Heathrow to Sydney
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nightsAll prices shown are per person based on return flights only. Prices found in the last 48 hours.
The London Heathrow / Sydney route
All 17034 km of itCheap flight deals for this route
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What you need to knowAlternative flights from the UK to Sydney
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You might find cheaper flights nearby
Planning a trip from London Heathrow to Sydney? While there are currently no direct flights, one-stop journeys typically take around 22 to 24 hours, connecting you from the UK's bustling capital to Australia's iconic Harbour City. To secure the best deals, consider traveling during off-peak months like May or September.
Right now, the cheapest flight costs £698 and departs on 27 / May / 2025.
Right now, the cheapest flight costs £698 and departs on 27 / May / 2025.
Min / Max Temperature (°C)
LOWEST
8 °C
AVG
17 °C
HIGHEST
26 °C
Rainfall (mm)
LOWEST
60 mm
AVG
95.8 mm
HIGHEST
130 mm
Key facts about Sydney
Currency
Australian dollar
Language
English
Timezone
10 hrs ahead of GMT
How to get cheap flights from London Heathrow to Sydney
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