Cheap Flights from London to Bangkok

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Find the cheapest month or even day of the year to fly to Bangkok

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Flight deals from London Airport to Bangkok

Looking for a cheap last-minute deal or the best return flight from London Airport to Bangkok? If you want to travel next month, return fares start from Rs372,177. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from London to Bangkok

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Bangkok flights are currently cheapest in April.

Alternative London to Bangkok routes

Looking for the cheapest, fastest or easiest route from London to Bangkok? You could fly into the following airports instead.

London to Bangkok: Flight information

The things to know before you go.
Cheapest flight foundRs272,513
Cheapest month to flyApril

Finding cheap flights from London to Bangkok: Frequently asked questions

There are 2 airports in Bangkok: Don Mueang and Bangkok Suvarnabhumi.
The best price we found for a return flight from London to Bangkok is Rs349,850. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London to Bangkok. But we found flights with one or more stops from Rs349,850.
As of April 2026, there are no flights flying from London to Bangkok.
The cheapest month to fly from London to Bangkok is usually April.
If you're flying from London Airport, the cheapest airport near Bangkok is Bangkok Suvarnabhumi – which is 28.5 km away from the centre of Bangkok. We've found flights into this airport from Rs349,850.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Airport to Bangkok on Wednesday, 22 April 2026.
No airlines currently offer direct flights between London Airport and Bangkok. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Bangkok but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bangkok is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 31°C. April is typically the warmest month in Bangkok, when it usually averages around 35°C. You can expect the least rain in December. The coldest month is November, with temperatures averaging 22°C. The rainiest month is September.
Currently, WestJet offers the cheapest flight tickets to Bangkok.

Travelling from London International Airport (YXU) to Bangkok: what you need to know

  • London International Airport is located in London. Based in the UTC+7 timezone, Bangkok is 11 hours ahead of London.

  • For a relaxed start to your YXU to Bangkok flight, allow plenty of time to check in and find your gate. Arriving two hours before international departures and one hour before domestic flights is the general rule.

  • Longer lines at check-in and security are more likely if you're flying during high season, so give yourself a bit more breathing room. A good rule of thumb for peak times? Arrive up to four hours ahead for international flights and at least two hours for domestic departures.

  • Located around 10 kilometres from central London, YXU can be reached in about 20 minutes by car. Travelling on public transport takes roughly 55 minutes.

  • Want a leisurely start to your holiday? Stay near YXU. Whether you're boarding an early flight from London International Airport to Bangkok or just don't like being rushed, these hotels are all about convenience:

  • Of all flights departing from London International Airport, 50.41% arrive on time at their destination.

How to find the cheapest flights from London International Airport (YXU) to Bangkok

  • The lowest price we've seen for a one-way London International Airport to Bangkok flight is Rs272,513. The cheapest price for a return flight is Rs349,850. Remember fares can change due to availability at the time of booking.

  • Don't leave everything to the last moment. You're more likely to find cheap flights from YXU to Bangkok if you book ahead. Airlines often offer some fantastic early bird discounts.

  • The 'Whole month' tool will show you the cheapest tickets from London International Airport to Bangkok across the month. It's an easy way to find a bargain if your travel dates aren't set in stone.

  • Finding a cheap flight from YXU to Bangkok is a breeze with Price Alerts. All you need to do is create one of these automatic notifications and we'll get in touch when a better deal is available.

  • Find an affordable flight from London International Airport to Bangkok with the help of our filters. Choose your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Bangkok

Suvarnabhumi Airport (BKK)

  • The distance from Suvarnabhumi Airport (BKK) to central Bangkok is roughly 32 kilometres. It takes around 35 minutes to get to the centre driving.

  • It'll take around 1 hour 5 minutes when travelling by public transport.

  • The last thing you need is a lengthy journey to your hotel if you're getting in late on a flight from London International Airport to Bangkok. Reserve one of these accommodation options near BKK instead:

  • Get on the fast track to adventure by picking up a Suvarnabhumi Airport rental car. Grab your wheels from Chic Car Rent, asap car hire or Hertz and explore beyond Bangkok's main sights.

  • For the lowest price, book your ride from Suvarnabhumi Airport around four weeks in advance of your flight from YXU to Bangkok.

Don Mueang International Airport (DMK)

  • Don Mueang International Airport (DMK) is roughly 27 kilometres from central Bangkok. Once you've hopped off your flight from London International Airport to Bangkok, it'll take you around 30 minutes to reach the heart of the city in a cab or ride-share.

  • If you travel by public transport, the ride to the centre takes 1 hour 5 minutes or so.

  • Hang the 'Do not disturb' sign on your door and rest at a hotel near DMK. Here are a few options where you can kick back after your YXU to Bangkok flight:

  • Chic Car Rent, asap car hire and Hertz make collecting a Don Mueang International Airport rental car quick and easy. These trusted companies are located in or around the terminal and will have you on your way in a heartbeat.

  • Don't pay more than you need to. Securing your ride three weeks before your arrival at DMK will help you stay within budget.

Best time to go to Bangkok

  • Travel to Bangkok during high season if you prefer a bustling atmosphere, but remember that hotel prices may be higher. Alternatively, book your flights from London International Airport to Bangkok in the low season when prices are cheaper and it's less crowded.

  • The warmest month in Bangkok is April, with temperatures ranging between 26ºC and 37ºC. Lock in your London International Airport to Bangkok flight ticket then if that's your definition of good weather.

  • December sees average temperatures of between 19ºC and 33ºC. Look for a cheap ticket from YXU to Bangkok around that time if you want to travel in cooler conditions.

More about Bangkok

Explore more of Thailand

  • You've visited Bangkok, now it's time to explore other corners of Thailand. Journey about 467 kilometres north-east to Udon Thani to tick off its leading sights. From Nong Prajak Public Park to Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor, you've got a jam-packed schedule ahead.

  • Around 225 kilometres north-east of Bangkok, Nakhon Ratchasima is another favourite stop in Thailand. Experience this destination's highlights firsthand at Art and Culture Centre, Vongchavalitkul University, Wat Pa Salwan (Burapha Chan Chedi) and บ้านสวนเกษตรอินทรีย์ (บ้านสวนในซอย).

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.