How long is the flight from London Heathrow to Bangkok?

LHR–BKK is about 12h 11m nonstop, covering 9,578 km (5,951 mi).

Which airlines fly nonstop from London Heathrow to Bangkok?

EVA Air, Thai Airways International operate this route nonstop.

LHRBKK

London Heathrow Airport (London, United Kingdom) → Suvarnabhumi Airport (Bangkok, Thailand)

Also known as Bangkok.

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How long is the flight from London Heathrow to Bangkok?: LHR–BKK is about 12h 11m nonstop, covering 9,578 km (5,951 mi).
Which airlines fly nonstop from London Heathrow to Bangkok?: EVA Air, Thai Airways International operate this route nonstop.