Compare airlines, prices, and flight durations for your trip
Cheapest flights from London to Bangkok
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from London to Bangkok. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
Remember that on average the ideal time to book flights is 2 months before departure!
A non-stop flight is the most convenient and comfortable way to fly from London to Bangkok, despite the fact that sometimes flights with transfers can cost significantly less.
Schedule of direct flights from London to Bangkok
The only airline operating direct flights from London to Bangkok is Thai Airways. Flights operate every day.
London airports overview
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Bangkok airports overview
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Frequently asked questions (FAQ)
Answers to questions about the route that travelers are most interested in.
Special offers and sales on air tickets from London to Bangkok
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Alternative routes
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More than 12 airlines operate flights from London to Bangkok, including Thai Airways, British Airways, Eva Air, Fortune, Air China, Wizz Air, China Eastern Airlines, Ryanair, Wizz Air, Gulf Air, Hainan Airlines, and LC Busre SAC. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $337, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
London is served by several distinct airports that cater to different traveller needs. Heathrow (LHR) is the city’s main international hub, typically used by full-service carriers and offering a wide range of long-haul connections; it sits about 15–20 miles west of central London and can be reached by the Heathrow Express in roughly 15–20 minutes (farey can be higher), the Piccadilly Line tube in about 45–60 minutes (lower fares), or by road depending on traffic. Gatwick (LGW) to the south functions as a major point for both legacy and low-cost airlines, usually offering competitive fares; rail links to Victoria take around 30–35 minutes, with coach and car options also available. Stansted (STN) and Luton (LTN) are often budget-oriented, popular with low-cost carriers and typically presenting lower ticket prices; both are 30–60 miles from central areas, served by express trains and dedicated coaches that take roughly 30–60 minutes depending on service, with lower-cost transfers commonly available. London City (LCY) is a smaller, business-focused airport east of the center, convenient for short-haul and corporate routes and reachable by Docklands Light Railway in about 20–30 minutes; it can be pricier but saves significant transit time. Pros across airports include extensive route networks and frequent public transport; cons can be longer transfers for some airports, variable fares for express services, and congestion during peak times.
Cheapest one way flight
$337
Fortune
Direct flight
11h 25m
04/13/2027
The cheapest one-way flight from London to Bangkok departs on 04/13/2027, is operated by Fortune and costs $337
Cheapest round trip flight
$543
Air China
1 layover
1d 16h 40m
11/02/2026
The cheapest roundtrip flight from London to Bangkok departs on 11/02/2026, is operated by Air China and costs $543
The fastest flight
11h 25m
Fastest flight from London to Bangkok takes 11h 25m
Direct flights
Every day
There are direct flights on this route 7 days a week: Su, Mo, Tu, We, Th, Fr, and Sa
Earliest flight
12:30 PM
Latest flight
10:15 PM
Direct flights count
27
Distance
9519km
Timezone difference
7h
The distance between London and Bangkok is 9519km (5902 miles). There are 27 direct flights from London to Bangkok. The time difference between London and Bangkok is 7h. Flights from London begin at 12:30 PM. The latest flight from London departs at 10:15 PM
What is the cheapest price for flights from London to Bangkok?
The cheapest flight ticket from London to Bangkok according to data for the last 48 hours costs $337
When is the best time to buy air tickets on the route London — Bangkok?
Often the best time to buy tickets from London to Bangkok is 2 months before departure.
When is the cheapest time of year to fly from London to Bangkok?
Based on statistics over the past years, the lowest prices for flights from London to Bangkok can be found flying in these months: April, September, June.
How long does it take to fly from London to Bangkok?
The fastest flights from London to Bangkok start from 11 hours 25 minutes in the air.
Which airline can fly direct from London to Bangkok?
The following airlines operate direct flights on the route London — Bangkok: Thai Airways, British Airways, Eva Air
The cost of a one-way flight from London to Bangkok ranges from $284 (April 2027) to $637 (December 2026). On average, the ticket price is about $424–$435.
Price dynamics
On the London — Bangkok route, prices change frequently in both directions. Predicting the exact cost is tricky, but we can identify months when tickets tend to be cheaper.
Cheaper and more expensive periods
Despite the fluctuations, patterns exist: the cheapest period is January 2027–April 2027 — averaging $361. The most expensive is December 2026–January 2027 ($538). The difference reaches 33%.
Best time to buy
With this kind of price behavior, it's worth comparing prices across several months and booking when a good deal appears. A good benchmark is January 2027–April 2027, where you can save up to 33%.
Price predictability
Price spread on this route is 23.3%. Costs vary significantly, so your choice of month can noticeably affect your travel budget.
Suvarnabhumi Airport (BKK) serves as Bangkok’s primary international gateway and functions as a full-service hub for major carriers, typically handling long-haul and regional flights. Located about 25–35 km east of the city center, travel time is usually 30–60 minutes by car depending on traffic; the Airport Rail Link connects to central Bangkok in roughly 30 minutes with fares generally in the low single-digit USD range, while taxis and ride-hailing can be more convenient but costlier. Suvarnabhumi tends to feel modern and well-equipped with lounges and international connections, but peak-hour traffic and longer terminal walks can be downsides.
Don Mueang International Airport (DMK) operates mainly as Bangkok’s low-cost and domestic gateway, typically hosting budget carriers and short-haul regional flights. It sits about 20–25 km north of central Bangkok, with road journeys often taking 30–60 minutes; public buses, shuttle vans, and taxis are common options, and fares are usually modest. Don Mueang can be a very practical choice for cheaper fares and quick turnarounds, though facilities are generally more utilitarian than the newer international terminal and some services may be limited outside peak times.
