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LHR to DMK: distance & flight time

London (London Heathrow Airport) → Bangkok (Don Mueang International Airport)

5,933 mi
9,548 km · 5,156 nm
12h 6m
estimated nonstop flight time
+6h
time difference · heading east
See live LHR→DMK fares Phone-only fares on this route — call free

Flight time details

5,933 miles nonstop takes roughly 12h 6m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is LHR from DMK?

The flight distance from London (LHR) to Bangkok (DMK) is 5,933 miles (9,548 km, 5,156 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from LHR to DMK?

A nonstop flight takes about 12h 6m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.

What is the time difference between London and Bangkok?

Bangkok is 6 hours ahead of London.

What is the cheapest way to fly from LHR to DMK?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LHR–DMK that never appear on search engines, with no booking fees.
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