Flights from London (LHR) to Bangkok (BKK)
Compare fares. Direct flights available from £853.75 with Austrian Airlines.
11h 30m
5933 miles
Available
£853.75
Today's Live Prices
Fares updated 2026-10-22 00:00:00 → 2026-10-29 00:00:00 · Round trip · Economy · 1 adult
Austrian Airlines
Swiss International Air Lines
7 kg
Austrian Airlines
Swiss International Air Lines
7 kg
Air India Limited
Air India Limited
1P
Upto 7Kg
Air India Limited
Air India Limited
1P
Upto 7Kg
Air India Limited
Air India Limited
1P
Upto 7Kg
Seasonal Travel Tips
- Book 8-10 weeks ahead — long-haul fares to Bangkok climb in the final month.
- Travelling in the rainy season (June-September) can cut fares by a quarter with mostly short afternoon showers.
Frequently Asked Questions
How long does it take to fly from London to Bangkok?
A direct flight from London Heathrow to Bangkok Suvarnabhumi (BKK) takes about 11 hours 30 minutes. One-stop itineraries via the Gulf or East Asia typically take 13-16 hours.
Which airlines fly direct from London to Bangkok?
Thai Airways operates the direct Heathrow to Bangkok service. Emirates, Qatar Airways, Etihad Airways and EVA Air offer convenient one-stop connections with strong comfort and meals.
When is the best time to fly to Bangkok?
November to February is the cool, dry season with the best weather but peak prices. May to September brings rain and the lowest fares — still perfectly manageable for most trips.
Do UK citizens need a visa for Thailand?
British citizens can enter Thailand visa-free for tourism for up to 30 days. Longer stays and extensions have specific requirements — check the rules before your trip.