Cheap Flights from London to Bangkok

Compare London to Bangkok flight deals

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 R 25,474. 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 November.

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 foundR 15,584
Cheapest month to flyNovember

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 R 25,474. 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 R 25,474.
As of April 2026, there are no flights flying from London to Bangkok.
The cheapest month to fly from London to Bangkok is usually May.
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 R 25,474.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Airport to Bangkok on Friday, 1 May 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.

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

  • The timezone in Bangkok is UTC+7. The city is 11 hours ahead of London, where London International Airport is located.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your YXU to Bangkok flight.

  • Flying during a peak time such as August? School holidays and other popular seasons can mean longer lines at check-in and security. Play things extra safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • The journey from central London to YXU takes around 55 minutes by public transport. If you drive, ride-share or grab a cab, you'll cover the 10 kilometres in 20 minutes or so, depending on traffic conditions.

  • Planning to catch an early flight from London International Airport to Bangkok? Avoid the stress of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these hotels close to YXU:

  • Of the departures from London International Airport, 50.41% touch down 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 R 15,584. The cheapest price for a return flight is R 25,474. 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)

  • Suvarnabhumi Airport (BKK) to the centre of Bangkok takes around 35 minutes to reach by car. The centre is roughly 32 kilometres away.

  • Getting there on public transport takes about 1 hour 5 minutes.

  • If you're arriving on a late flight from London International Airport to Bangkok, few things beat the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and resting soon after at one of these accommodation options near BKK:

  • Grab a Suvarnabhumi Airport rental car and discover Bangkok and beyond with your own wheels. Chic Car Rent, asap car hire and Hertz are well-known companies you can book with here.

  • Lock in the best possible rate by reserving your vehicle from Suvarnabhumi Airport around four weeks before your flight from YXU to Bangkok.

Don Mueang International Airport (DMK)

  • Once your flight from London International Airport to Bangkok has landed, you can reach the city centre in about 30 minutes by car. Central Bangkok is roughly 27 kilometres from Don Mueang International Airport (DMK).

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

  • After stepping off your YXU to Bangkok flight, tuck yourself in at a hotel close to DMK. These are some great accommodation options that'll help you switch to relaxation mode:

  • Chic Car Rent, asap car hire and Hertz make picking up a Don Mueang International Airport rental car easy and quick. These providers are located in or around the terminal and will have you ready to go in a flash.

  • Secure your first choice, not your last resort. Reserving your ride from DMK three weeks in advance often means better deals and a greater selection of vehicles.

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 (79ºF) and 37ºC (99ºF). 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 (66ºF) and 33ºC (91ºF). Look for a cheap ticket from YXU to Bangkok around that time if you want to travel in cooler conditions.

More about Bangkok

  • Start your Bangkok trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from London International Airport to Bangkok, explore our range of hotels including:

  • There are so many things to see and do in this city it can be tricky to work out where to start. Wat Arun, Grand Palace and Wat Phra Kaew are top sights which should be on every Bangkok itinerary.

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.