Flight time from London to Bangkok

About 9,532 km (5,923 miles), an estimated nonstop flight time of 12h 25m.

Distance

9,532 km

5,923 miles

Flight time

12h 25m

nonstop, estimated

Time difference

6h ahead

Bangkok

From

Departure time (local)

London to Bangkok

9,532 km

5,923 miles apart, as the crow flies

Estimated flight time

12h 25m

Time difference

—

A straight-line (great-circle) estimate. Real flights are a little longer because of air-traffic routing, winds and any stopovers, so your landing time is approximate.

London to Bangkok at a glance

Flying from London, United Kingdom to Bangkok, Thailand covers a great-circle distance of roughly 9,532 kilometres (5,923 miles). At a typical jet cruising speed, that is an estimated nonstop flight time of about 12h 25m, before you add taxi time, any air-traffic delays and the effect of the wind. A connection through a hub will add the layover on top.

Bangkok is about 6 hours ahead of London, so expect some jet lag from crossing 6 time zones, which tends to hit harder when you fly east and lose hours. The interactive calculator above updates the time difference for today's date, and you can swap the cities or pick a different pairing in a tap.

London to Bangkok FAQ

How long is the flight from London to Bangkok?

London to Bangkok is an estimated nonstop flight time of about 12h 25m, based on a great-circle distance of 9,532 km (5,923 miles). Real flight times vary with winds, air-traffic routing and any stopovers.

How far is London from Bangkok?

The straight-line (great-circle) distance from London to Bangkok is about 9,532 kilometres, or 5,923 miles.

What is the time difference between London and Bangkok?

Bangkok is about 6 hours ahead of London. Crossing 6 time zones means some jet lag, especially flying east.

Last reviewed 2026-06-04. Distance is a great-circle estimate; flight time excludes winds, routing and stopovers.