Flight from London to Sydney

From Heathrow (LHR), United Kingdom Europe  →  Kingsford Smith (SYD), Australia Oceania

How long is the flight from London to Sydney?

A nonstop flight from London (LHR) to Sydney (SYD) takes about 21 hours 1 minutes, covering a great-circle distance of 10,576 miles (17,020 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.

Time zones & jet lag

CO₂ footprint per passenger

Economy class, single passenger. Source: DEFRA 2024 averages.

This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.

Flights from London

• London → Manchester
• London → Paris
• London → Brussels
• London → Amsterdam
• London → Dublin
• London → Edinburgh
• London → Frankfurt
• London → Zurich
• London → Milan
• London → Munich
• London → Berlin
• London → Copenhagen

Flights to Sydney

• Melbourne → Sydney
• Auckland → Sydney
• Bali (Denpasar) → Sydney
• Manila → Sydney
• Singapore → Sydney
• Kuala Lumpur → Sydney
• Taipei → Sydney
• Hong Kong → Sydney
• Bangkok → Sydney
• Osaka → Sydney
• Tokyo → Sydney
• Shanghai → Sydney