Flight from London to Sydney

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

↔ Flying the other way? Sydney → London

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

Nearest destinations

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

Long-haul from London

• London → Auckland
• London → Melbourne
• London → Bali (Denpasar)
• London → Santiago
• London → Buenos Aires
• London → Singapore
• London → Manila
• London → Kuala Lumpur
• London → Taipei
• London → Cape Town

Flights to Sydney

Nearest origins

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

Long-haul to Sydney

• Lisbon → Sydney
• Casablanca → Sydney
• Madrid → Sydney
• Dublin → Sydney
• Barcelona → Sydney
• Manchester → Sydney
• Paris → Sydney
• Edinburgh → Sydney
• Brussels → Sydney
• Amsterdam → Sydney

More flights from Europe

• Frankfurt → Sydney
• Rome → Sydney
• Milan → Sydney
• Munich → Sydney
• Berlin → Sydney
• Istanbul → Sydney
• Vienna → Sydney
• Zurich → Sydney
• Copenhagen → Sydney
• Stockholm → Sydney