Skyline view of Bangkok highlighting traditional Thai architecture amidst modern buildings. — flights from London to Bangkok
London, UKBangkok, Thailand

Flights from London to Bangkok

Nonstop flights from London (LHR) to Bangkok (BKK) take about 12h 28m (9,578 km). THAI Airways flies it. Lowest fare seen: $640 one-way, nonstop (12 Oct 2026).

All flights from London →All flights to Bangkok →

Photo of Bangkok: Zaonar Saizainalin on Pexels.

When you land in Bangkok

The airport transfer and the few things worth sorting before you fly.

Skyline view of Bangkok highlighting traditional Thai architecture amidst modern buildings. — arriving in Bangkok

Airport transfer

BKK → Bangkok, booked before you fly

A private driver meets you in arrivals at a price agreed when you book. Book with Welcome Pickups.

See transfer prices
British Airways Airbus A320 landing at Heathrow, London on a clear day. — lounges at Heathrow AirportHeathrow Airport · 10 lounges
Before you flyAirport lounges at Heathrow →
Trains, buses and taxi faresBKK to Bangkok: getting into town →Early arrival or late flightLuggage storage in Bangkok →23 drop-off points

Things to book in Bangkok

All 77 things to do in Bangkok →
Stunning view of the MahaNakhon skyscraper in Bangkok against a clear blue sky.from €9.29
Mahanakhon SkyWalk 4.6 · 538 Tiqets reviews
from €16.46
Bangkok Dinner Cruises 4.0 · 90 Tiqets reviews
from €12.79
Bangkok Martial Arts Classes 4.9 · 85 Tiqets reviews
from €26.56
Rajadamnern Muay Thai Stadium 4.9 · 85 Tiqets reviews

Find hotels in Bangkok

Hotels, hostels & more · Trip.com

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Airlines flying London to Bangkok

Carriers on LHR–BKK according to our route data and nonstop fares seen as of 12 Oct 2026. Not a complete list.

✈ THAI Airwaysnonstop fare seen

London to Bangkok fares by month

Cheapest month seen for a nonstop flight: Feb 2027, from $375 one-way. With stops: Apr 2027, from $304. Lowest one-way fares seen for departures in each month, read 22 Oct 2026.

DepartingNonstop fromCheaper with stops
Oct 2026$58628 Oct 2026$371 · 1 stop28 Oct 2026
Nov 2026$4801 Nov 2026$333 · 2 stops18 Nov 2026
Dec 2026$5421 Dec 2026$368 · 2 stops1 Dec 2026
Jan 2027$51627 Jan 2027$364 · 1 stop26 Jan 2027
Feb 2027$37516 Feb 2027—
Mar 2027$6151 Mar 2027$390 · 1 stop1 Mar 2027
Apr 2027$4322 Apr 2027$304 · 1 stop2 Apr 2027
Jun 2027$62728 Jun 2027$488 · 1 stop28 Jun 2027
Sept 2027$61227 Sept 2027$354 · 2 stops20 Sept 2027

When to go for the lowest fare

Fares were close across the months we saw: $333 for November 2026, $304 at best after that.

Nonstop or with a stop

A connection undercut nonstop in 8 of 8 months with both fares.

From Travelpayouts flight-search data, city to city (London to Bangkok, any airport), USD, read 22 Oct 2026. These are fares that were on sale, not a guarantee of today's price; an airline is named only where we know it flies this route.

Best time to fly to Bangkok

Based on weather and travel conditions in Thailand

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Best monthsGoodAvoid if possible

The cool, dry season (November–February) is ideal — sunny skies, low humidity, and comfortable temperatures around 25–30°C. The monsoon (May–October) brings heavy rain especially in the south.

Peak season: November – February

More for this trip

Frequently asked questions — London to Bangkok flights

How long is the flight from London to Bangkok?
A nonstop flight from London (LHR) to Bangkok (BKK) takes about 12h 28m, covering 9,578 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.
How far is London from Bangkok by air?
The great-circle distance between London Heathrow Airport and Suvarnabhumi Airport is 9,578 km (5,951 miles), a ultra long-haul route.
Which airlines fly from London to Bangkok?
Airlines with flights or nonstop fares on the LHR–BKK route include THAI Airways. This is not a complete list — schedules change by season, so check the current options before booking.
How much does a flight from London to Bangkok cost?
The lowest one-way fare seen recently on LHR–BKK was $640 USD with THAI Airways (nonstop), departing 1 Jun 2027, found in fare searches as of 12 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
What is the cheapest month to fly from London to Bangkok?
In fares seen on 22 Oct 2026, departures in April 2027 were cheapest, from $304 one-way, against $488 for June 2027, the dearest month. Fares change daily, so check your own dates.
Is it cheaper to fly nonstop or with a stop from London to Bangkok?
In the fares we saw (12 Oct 2026), connecting was cheaper: from $354 with 2 stops against $640 nonstop, a saving of $286. Nonstop saves the connection time.
Do I need a visa to travel from UK to Thailand?
It depends on your passport. Some nationalities can enter Thailand visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.
What is the best time to visit Bangkok?
The cool, dry season (November–February) is ideal — sunny skies, low humidity, and comfortable temperatures around 25–30°C. The monsoon (May–October) brings heavy rain especially in the south.

Sources: fares from Travelpayouts flight-search data, seen 12 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

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