Flight from London to Bangkok

From Heathrow (LHR), United Kingdom Europe  →  Suvarnabhumi (BKK), Thailand Asia

How long is the flight from London to Bangkok?

A nonstop flight from London (LHR) to Bangkok (BKK) takes about 12 hours 9 minutes, covering a great-circle distance of 5,951 miles (9,577 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 Bangkok

• Kuala Lumpur → Bangkok
• Singapore → Bangkok
• Hong Kong → Bangkok
• Manila → Bangkok
• Taipei → Bangkok
• Shanghai → Bangkok
• Delhi → Bangkok
• Bali (Denpasar) → Bangkok
• Mumbai → Bangkok
• Beijing → Bangkok
• Seoul → Bangkok
• Osaka → Bangkok