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Flights from London to Bangkok

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We've found these cheap flights for you. You can book one-way or return flight tickets.

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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

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Cheapest flights

From price

20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15
15 22
22 29
Jul

29 6
6 13

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

When are flight tickets from London (LON) to Bangkok (BKK) the cheapest?

Airlines adjust prices for flights from London to Bangkok based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from London (LON) to Bangkok (BKK) cost?

According to Trip.com's data, the lowest price is around £843.
How long is the flight from London (LON) to Bangkok (BKK)?

It takes about 11 hours 42 minutes to fly from London (LON) to Bangkok (BKK).
What are the most popular airlines that fly from London (LON) to Bangkok (BKK)?

Airlines with flights from London (LON) to Bangkok (BKK): British Airways, Air Canada, Iberia, EVA Air, Thai Airways and CitizenPlane.
How many airports in Bangkok (BKK)?

There are 2 airport(s) in Bangkok (BKK): Suvarnabhumi Airport and Don Mueang International Airport.

How to find a cheap flight from London to Bangkok

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from London to Bangkok. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest flight from London to Bangkok.

Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from London to Bangkok over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Fri, Apr 25, with one-way flights priced at just £129.

Compare cheap flight deals from London to Bangkok across hundreds of airlines.

With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from London to Bangkok. The cheapest airline for this route is EVA Air.

Set up a Price Alert

By setting up a Price Alert for your journey from London to Bangkok, you can easily keep an eye on ticket prices without having to check every day.

Don't miss out on cheap flight deals and promo codes from London to Bangkok.

You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.

Book early or wait until the last minute.

It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.

Search for flights on the go.

For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from London to Bangkok and snag some exclusive deals just for you.

Flight Information from London to Bangkok

Cheapest one-way flight price	£210
Cheapest return ticket price	£499
Off-season travel month	April
Peak season for travel	January
Flight distance	9,536.53km
Average flight time	11 hours 42 minutes
Popular airline	British Airways

Flights London to Bangkok

How to Search for Cheap Flights London to Bangkok

Looking for cheap flights London to Bangkok? Trip.com can help you plan a wonderful holiday in Thailand.

How to buy cheap flights

On the look-out for the best flights? At Trip.com we recommend searching for flights on Tuesdays, Wednesdays, and Thursdays to find the best deals on flights London to Bangkok. You could also switch up your search terms, consider a layover or book an early flight.

When can I find the cheapest flights?

Don’t forget to book a seat in advance for flights London to Bangkok.

Avoiding the UK summer holidays is a must for a long-haul flight like London to Bangkok. During the peak month of Aug, return flights London to Bangkok can cost a whopping £2,000. But if you can travel during months such as Oct and Mar, passengers can find cheap flights London to Bangkok for £320 one way.

About Airport

Airports Providing Direct Flights

To catch direct flights London to Bangkok you must depart from the following 2 airports in London: Gatwick Airport (LGW) and Heathrow Airport (LHR). However, many flights London to Bangkok will have at least one stop which could be in Europe, Asia or the Middle East, so these flights could go from any airport in London.

Travellers arriving in Bangkok may land in either Suvarnabhumi Airport, known as Bangkok Airport (BKK), or Don Mueang International Airport (DMK).

Airports in Bangkok

Bangkok Airport (BKK) is located 25 km east of the city centre. Don Mueang International Airport (DMK) is 21 km from the centre of Bangkok.

How to reach airports in London

There are several transport options from London to the airport. At Trip.com we can recommend the quickest and most convenient options for your trip.

If your flight leaves from Heathrow Airport, the Heathrow Express train from London Paddington is a quick journey of around 15 mins. If you are flying from Gatwick Airport, the Gatwick Express train from London Victoria station takes roughly 30 mins.

How to get downtown from airports in Bangkok

From Bangkok Airport you can reach the city centre or other locations by rail, bus, or taxi.

The Metro station is at the Departures Level. Bangkok Airport to Phayathai Station will cost 45 THB and the journey will take 26 mins.

Airport LimoBus Express operates a bus to the city centre which takes 50 mins and costs 180 THB.

If you prefer to travel privately, a taxi will cost 260-320 THB and take around 20 mins depending on traffic.

About Airline

Which airlines provide the route?

Only a couple of airlines provide direct flights London to Bangkok. These include Thai Airways and EVA Air. Many airlines will offer flights with one or more stop, including Oman Air, Emirates and Swiss Air.

Fastest Direct Flight

The fastest direct flight is from London Heathrow Airport to Bangkok Airport, and it takes 11 hrs 30 mins. The longest direct flight is 12 hrs 5 mins.

Earliest and Latest Flights

The earliest flights London to Bangkok depart from London Heathrow Airport (LHR) at 06:40 and arrive at Bangkok Airport (BKK) at 17:55 with EVA Air. The latest flight departs from London Heathrow Airport (LHR) at 21:25 and arrives at Bangkok Airport (BKK) at 15:00 the following day with Thai Air.

About Bangkok

From its extraordinary history as the birthplace of European civilization 2,000 years ago to the buzzing modern city of today, Bangkok is a unique place.

There are many day trips to take from Bangkok. Nearby Ayutthuya is a UNESCO World Heritage Site – you can explore the ruins of what was once one of the most powerful cities in the world. Just 1.5 hrs from Bangkok you can visit the seaside city of Pattaya where the French-style Nong Nooch Tropical Gardens and idyllic island of Koh Lan await.

Tourist Attractions in Bangkok

Wat Phra Kaew: Not just architecturally fantastic, Wat Phra Kaew temple complex is also the spiritual heart of Thai Buddhism and the monarchy. Today the complex remains an important pilgrimage destination for devout Buddhists. Top tip: visitors must dress appropriately to enter the site, so make sure to cover your arms, legs and chest.

Grand Palace: A stunning complex of buildings at the heart of Bangkok, the palace has been the official residence of the Kings of Siam since 1782. There are countless buildings and sights to explore here, from the Temple of the Emerald Buddha to the imposing Demon Guardians.

Damnoen Saduak Floating Market: Hire a private boat and drift down the river to Damnoen Saduak Floating Market to visit the colourful wooden stalls. The perfect place to pick up some gifts for family and friends, there’s always lots to see here from the flower sellers to boats offering exotic fruit and vegetables.

Popular Hotels in Bangkok

With a range of options to suit every budget, book the best hotels in Bangkok with Trip.com.

Even the budget traveller can stay in luxury in Bangkok, due to the relatively affordable price of a hotel stay. For an ultra-stylish and modern option, why not try the iconic The Standard Bangkok Mahanakhon? Every room in this popular hotel is designed in an ultra-cool, retro style and the central location makes it very convenient.

Or for comfort and style in the business district, why not try Novotel Bangkok Silom Road? Patpong Night Market is just 10 minutes’ walk away, as are two BTS stations. Alternatively, the Holiday Inn Bangkok delivers reliable quality in the centre of Bangkok, with shopping, attractions and restaurants right around the corner.

Best Time to Visit Bangkok

Hot and humid all year-round, the best time to visit Bangkok is when you can find cheap flights London to Bangkok. One of the best times to visit is during Songkran or Thai New Year, a water festival which is held every year on 13 April. The whole city comes to life with water fights in the street, colourful traditional dress, dancing, and street food parties.