Cheap Flights from London Heathrow to Bangkok

Compare London Heathrow 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 Heathrow to Bangkok

Looking for a cheap last-minute deal or the best return flight from London Heathrow Airport to Bangkok? If you want to travel next month, return fares start from R 11,519. Find the lowest prices on one-way and return tickets right here.

Bangkok.R 5,676 per passenger.Departing Wed, 7 Apr.One-way flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Wed, 7 Apr, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 5,676, select.

Bangkok.R 5,806 per passenger.Departing Fri, 18 Sep.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Fri, 18 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 5,806, select.

Bangkok.R 5,850 per passenger.Departing Wed, 31 Mar.One-way flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Wed, 31 Mar, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 5,850, select.

Bangkok.R 5,893 per passenger.Departing Wed, 19 Aug.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Wed, 19 Aug, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 5,893, select.

Bangkok.R 6,437 per passenger.Departing Mon, 26 Oct.One-way flight with KLM.Outbound indirect flight with KLM, departs from London Heathrow on Mon, 26 Oct, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 6,437, select.

Bangkok.R 6,554 per passenger.Departing Sun, 15 Nov.One-way flight with China Eastern.Outbound indirect flight with China Eastern, departs from London Heathrow on Sun, 15 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 6,554, select.

Bangkok.R 6,652 per passenger.Departing Sun, 31 Jan.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from London Heathrow on Sun, 31 Jan, arriving in Don Mueang.Price includes taxes and charges.From R 6,652, select.

Bangkok.R 6,654 per passenger.Departing Mon, 22 Feb.One-way flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Mon, 22 Feb, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 6,654, select.

Bangkok.R 7,000 per passenger.Departing Wed, 2 Dec.One-way flight with Hainan Airlines.Outbound indirect flight with Hainan Airlines, departs from London Heathrow on Wed, 2 Dec, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 7,000, select.

Bangkok.R 7,720 per passenger.Departing Tue, 11 May.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from London Heathrow on Tue, 11 May, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 7,720, select.

Bangkok.R 7,993 per passenger.Departing Mon, 14 Jun.One-way flight with Shenzhen Airlines.Outbound indirect flight with Shenzhen Airlines, departs from London Heathrow on Mon, 14 Jun, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 7,993, select.

Bangkok.R 8,242 per passenger.Departing Wed, 22 Jul.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from London Heathrow on Wed, 22 Jul, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 8,242, select.

Bangkok.R 8,791 per passenger.Departing Thu, 1 Jul.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from London Heathrow on Thu, 1 Jul, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 8,791, select.

Bangkok.R 10,158 per passenger.Departing Sun, 15 Nov.One-way flight with Thai Airways.Outbound direct flight with Thai Airways departs from London Heathrow on Sun, 15 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 10,158, select.

Bangkok.R 10,677 per passenger.Departing Sun, 4 Oct.One-way flight with EVA Air.Outbound direct flight with EVA Air departs from London Heathrow on Sun, 4 Oct, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 10,677, select.

Bangkok.R 10,677 per passenger.Departing Sat, 22 Aug.One-way flight with EVA Air.Outbound direct flight with EVA Air departs from London Heathrow on Sat, 22 Aug, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From R 10,677, select.

Find the cheapest month to fly from London Heathrow to Bangkok

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

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Direct flights from London Heathrow to Bangkok

Alternative London Heathrow to Bangkok routes

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

Don Mueang

21km from central Bangkok

Closest

from R 6,058

Search flights

Bangkok Suvarnabhumi

29km from central Bangkok

Cheapest

from R 5,667

Search flights

London to Bangkok: Flight information

The things to know before you go.

Cheapest flight found	R 5,676
Cheapest month to fly	April
Average flight time	11 hrs, 35 mins
Most popular airline	Thai Airways
Average flights per week	62

Finding cheap flights from London Heathrow to Bangkok: Frequently asked questions

How many airports are there in Bangkok?

There are 2 airports in Bangkok: Don Mueang and Bangkok Suvarnabhumi.

How much are return flights from London Heathrow to Bangkok?

The best price we found for a return flight from London Heathrow to Bangkok is R 8,180. 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.

How long does it take to fly from London Heathrow to Bangkok?

11 hours and 35 minutes is the average flight time from London Heathrow to Bangkok.

Which airlines fly direct from London Heathrow to Bangkok?

Thai Airways, EVA Air and TAP Air Portugal fly direct from London Heathrow to Bangkok.

How many flights are there a week from London Heathrow to Bangkok?

As of July 2026, there are 62 flights per week flying from London Heathrow to Bangkok.

When is the cheapest time to fly from London Heathrow to Bangkok?

The cheapest month to fly from London Heathrow to Bangkok is usually September.

Which is the cheapest airport to fly into in Bangkok?

If you're flying from London Heathrow Airport, the cheapest airport near Bangkok is Bangkok Suvarnabhumi – which is 28.6 km away from the centre of Bangkok. We've found flights into this airport from R 8,180.

Which upcoming date is cheapest to fly from London Heathrow Airport to Bangkok on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Bangkok on Tuesday, 8 September 2026.

Can I get a direct flight from London Heathrow Airport to Bangkok?

Yes – the average flight time is 11 hours and 35 minutes.

How can I get the best flight deal from London Heathrow Airport to Bangkok?

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.

When is the best time to book flights to Bangkok?

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.

What’s the weather like in Bangkok?

In July, the average temperature is usually around 28°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.

Which is the cheapest airline to fly from London Heathrow Airport to Bangkok with?

Currently, Air China and Thai Airways offer the cheapest flight tickets to Bangkok.

Flying from London Heathrow Airport (LHR) to Bangkok: what you need to know

Expect to be travelling for 12 hours 55 minutes. That's the average journey time for a direct flight from London Heathrow Airport to Bangkok.
Bangkok is seven hours ahead of London, where London Heathrow Airport is located. Bangkok runs on the UTC+7 timezone.
London Heathrow Airport (LHR) to Bangkok Suvarnabhumi International Airport (BKK) is the most popular route, with 21 weekly departures to pick from. If you have things to finalize before heading off, the last flight from LHR to BKK is with EVA Air at 21:35. Choose the first departure operated by Thai Airways International at 11:50 if you want to fly out earlier.
For a relaxed start to your LHR to Bangkok flight, leave enough time to check in and drop off your luggage. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.
During popular months such as July, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're travelling during peak periods in general.
Start your journey at LHR and travel straight to Bangkok Suvarnabhumi International Airport (BKK). That will be your arrival point when searching for London Heathrow Airport to Bangkok tickets.
Get on board with Thai Airways International. This popular airline operates direct flights from London Heathrow Airport to Bangkok.
We make it simple to book plane tickets from LHR to Bangkok with a stopover. To see your options, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to explore the city of your choice. Popular stopovers include:
- Frankfurt Airport (FRA)
- Kuala Lumpur International Airport (KUL)
- Mumbai Chhatrapati Shivaji International Airport (BOM)
Located around 26 kilometres from the centre of London, LHR can be reached in about 45 minutes by car, depending on traffic. Travelling on public transport takes roughly 25 minutes.
Booked an early flight from London Heathrow Airport to Bangkok? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels near LHR:
Of the flights that depart from London Heathrow Airport, 78% land on time at their destination.

How to find the cheapest flights from London Heathrow Airport (LHR) to Bangkok

The best price we've seen for a one-way London Heathrow Airport to Bangkok flight is R 5,667. The cheapest price for a return flight is R 8,180. Keep in mind fares can change due to demand at the time of booking.
Book nine months before flying. Pricing trends suggest that this is the ideal window for finding cheap flights from LHR to Bangkok.
The best month for finding cheap London Heathrow Airport to Bangkok tickets is February. Use the 'Whole month' tool to compare prices, then choose the dates that offer the biggest savings.
You don't need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as there's an even bigger deal on cheap flights from LHR to Bangkok.
Pick your preferred departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from London Heathrow Airport to Bangkok by 'Best,' 'Cheapest' or 'Fastest.'

Airports in Bangkok

Bangkok Suvarnabhumi International Airport (BKK)

Bangkok Suvarnabhumi International Airport (BKK) to the centre of Bangkok takes about 35 minutes to reach by car. The centre is roughly 31 kilometres away.
It takes around 35 minutes to get there by public transport.
Consider staying in a hotel near BKK if you have a late flight from London Heathrow Airport to Bangkok. Select one of these options and skip the long transfer:
For the best deal, reserve your vehicle from Bangkok Suvarnabhumi International Airport about four weeks ahead of your flight from LHR to Bangkok.

Bangkok Don Mueang International Airport (DMK)

Bangkok Don Mueang International Airport (DMK) is about 24 kilometres from central Bangkok. Once you've hopped off your flight from London Heathrow Airport to Bangkok, it'll take you around 35 minutes to reach the heart of the city in a ride-share or taxi.
If you choose to travel on public transport, the ride to the centre takes 1 hour 5 minutes or so.
Hang up the 'Do not disturb' sign and rest at a hotel close to DMK. Here are a few options where you can take a load off after your LHR to Bangkok flight:
Get the pick of the lot. Reserving your ride from DMK three weeks in advance often means more savings and a greater selection of vehicles.

Best time to go to Bangkok

May is the quietest month for flights from London Heathrow Airport to Bangkok, while February is the busiest. Pick the ideal time to visit Bangkok based on whether you prefer a bustling atmosphere or a more laid-back vibe.
Lock in a London Heathrow Airport to Bangkok plane ticket with a departure in April if you're eager to visit the city during its warmest month. Expect temperatures to range from 26ºC (79ºF) to 37ºC (99ºF).
Search for cheap tickets from LHR to Bangkok in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 19ºC (66ºF) and 34ºC (93ºF) on average.

More about Bangkok

When it comes to searching for somewhere to rest your head, you'll find the top stays in Bangkok right here. Browse these options once you've locked in your flight from London Heathrow Airport to Bangkok:
Wat Phra Kaew and Grand Palace are a couple of leading attractions to put on your Bangkok to-do list. Keep the momentum going by heading to Songkran Festival Silom.

Explore more of Thailand

Udon Thani is just one of the many places in Thailand waiting to be explored once you've taken in the sights of Bangkok. Around 467 kilometres away to the northeast, top sights here include Thai-Chinese Cultural Centre, Wat Pho Chai and Wat Burapa Wanaram.
Around 225 kilometres northeast of Bangkok, Nakhon Ratchasima is another favourite stop in Thailand. No visit is complete without checking out Night Safari Korat, Wat Chai Mongkol and Wat Na Pha That.