550 € Cheap Flights from Bangkok to London Heathrow

Compare Bangkok to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Bangkok to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Bangkok to London Heathrow Airport? If you want to travel next month, return fares start from 729 €. Find the lowest prices on one-way and return tickets right here.

London.550 € per passenger.Departing Tue, 3 Nov, returning Tue, 17 Nov.Return flight with Norse Atlantic Airways and Scandinavian Airlines.Outbound indirect flight with Norse Atlantic Airways, departs from Bangkok Suvarnabhumi on Tue, 3 Nov, arriving in London Heathrow.Inbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Tue, 17 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 550 €, select.

London.603 € per passenger.Departing Fri, 18 Sep, returning Sat, 19 Sep.Return flight with Gulf Air and Air China.Outbound indirect flight with Gulf Air, departs from Bangkok Suvarnabhumi on Fri, 18 Sep, arriving in London Heathrow.Inbound indirect flight with Air China, departs from London Heathrow on Sat, 19 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 603 €, select.

London.626 € per passenger.Departing Fri, 30 Oct, returning Fri, 13 Nov.Return flight with Norse Atlantic Airways and Scandinavian Airlines.Outbound indirect flight with Norse Atlantic Airways, departs from Bangkok Suvarnabhumi on Fri, 30 Oct, arriving in London Heathrow.Inbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Fri, 13 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 626 €, select.

London.637 € per passenger.Departing Tue, 9 Jun, returning Tue, 8 Sep.Return flight with Hainan Airlines and Air China.Outbound indirect flight with Hainan Airlines, departs from Bangkok Suvarnabhumi on Tue, 9 Jun, arriving in London Heathrow.Inbound indirect flight with Air China, departs from London Heathrow on Tue, 8 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 637 €, select.

London.665 € per passenger.Departing Thu, 11 Jun, returning Mon, 29 Jun.Return flight with Hainan Airlines.Outbound indirect flight with Hainan Airlines, departs from Bangkok Suvarnabhumi on Thu, 11 Jun, arriving in London Heathrow.Inbound indirect flight with Hainan Airlines, departs from London Heathrow on Mon, 29 Jun, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 665 €, select.

London.665 € per passenger.Departing Sat, 11 Jul, returning Sat, 12 Sep.Return flight with Etihad Airways and Air China.Outbound indirect flight with Etihad Airways, departs from Bangkok Suvarnabhumi on Sat, 11 Jul, arriving in London Heathrow.Inbound indirect flight with Air China, departs from London Heathrow on Sat, 12 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 665 €, select.

London.675 € per passenger.Departing Sun, 14 Jun, returning Wed, 1 Jul.Return flight with Hainan Airlines.Outbound indirect flight with Hainan Airlines, departs from Bangkok Suvarnabhumi on Sun, 14 Jun, arriving in London Heathrow.Inbound indirect flight with Hainan Airlines, departs from London Heathrow on Wed, 1 Jul, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 675 €, select.

London.681 € per passenger.Departing Tue, 17 Nov, returning Wed, 13 Jan.Return flight with Norse Atlantic Airways and Air China.Outbound indirect flight with Norse Atlantic Airways, departs from Bangkok Suvarnabhumi on Tue, 17 Nov, arriving in London Heathrow.Inbound indirect flight with Air China, departs from London Heathrow on Wed, 13 Jan, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 681 €, select.

London.682 € per passenger.Departing Mon, 23 Nov, returning Thu, 3 Dec.Return flight with China Southern and Air China.Outbound indirect flight with China Southern, departs from Bangkok Suvarnabhumi on Mon, 23 Nov, arriving in London Heathrow.Inbound indirect flight with Air China, departs from London Heathrow on Thu, 3 Dec, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 682 €, select.

London.694 € per passenger.Departing Wed, 23 Dec, returning Fri, 1 Jan.Return flight with Kuwait Airways.Outbound indirect flight with Kuwait Airways, departs from Bangkok Suvarnabhumi on Wed, 23 Dec, arriving in London Heathrow.Inbound indirect flight with Kuwait Airways, departs from London Heathrow on Fri, 1 Jan, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 694 €, select.

London.694 € per passenger.Departing Wed, 10 Feb, returning Fri, 12 Mar.Return flight with Kuwait Airways.Outbound indirect flight with Kuwait Airways, departs from Bangkok Suvarnabhumi on Wed, 10 Feb, arriving in London Heathrow.Inbound indirect flight with Kuwait Airways, departs from London Heathrow on Fri, 12 Mar, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 694 €, select.

London.695 € per passenger.Departing Fri, 5 Feb, returning Fri, 12 Feb.Return flight with Kuwait Airways.Outbound indirect flight with Kuwait Airways, departs from Bangkok Suvarnabhumi on Fri, 5 Feb, arriving in London Heathrow.Inbound indirect flight with Kuwait Airways, departs from London Heathrow on Fri, 12 Feb, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 695 €, select.

London.695 € per passenger.Departing Tue, 2 Mar, returning Wed, 17 Mar.Return flight with Kuwait Airways.Outbound indirect flight with Kuwait Airways, departs from Bangkok Suvarnabhumi on Tue, 2 Mar, arriving in London Heathrow.Inbound indirect flight with Kuwait Airways, departs from London Heathrow on Wed, 17 Mar, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 695 €, select.

London.697 € per passenger.Departing Wed, 27 Jan, returning Wed, 24 Feb.Return flight with Kuwait Airways.Outbound indirect flight with Kuwait Airways, departs from Bangkok Suvarnabhumi on Wed, 27 Jan, arriving in London Heathrow.Inbound indirect flight with Kuwait Airways, departs from London Heathrow on Wed, 24 Feb, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 697 €, select.

London.697 € per passenger.Departing Sun, 13 Dec, returning Wed, 10 Feb.Return flight with Kuwait Airways.Outbound indirect flight with Kuwait Airways, departs from Bangkok Suvarnabhumi on Sun, 13 Dec, arriving in London Heathrow.Inbound indirect flight with Kuwait Airways, departs from London Heathrow on Wed, 10 Feb, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 697 €, select.

London.698 € per passenger.Departing Tue, 19 Jan, returning Wed, 27 Jan.Return flight with Kuwait Airways.Outbound indirect flight with Kuwait Airways, departs from Bangkok Suvarnabhumi on Tue, 19 Jan, arriving in London Heathrow.Inbound indirect flight with Kuwait Airways, departs from London Heathrow on Wed, 27 Jan, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From 698 €, select.

Find the cheapest month to fly from Bangkok to London Heathrow

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

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Direct flights from Bangkok to London Heathrow

Bangkok to London Heathrow: Alternative routes

Compare routes from Bangkok to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Bangkok to London: Flight information

The things to know before you go.

Cheapest flight found	550 €
Cheapest month to fly	November
Average flight time	12 hrs, 56 mins
Most popular airline	Thai Airways
Average flights per week	52

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

How much are return flights from Bangkok to London Heathrow?

The best price we found for a return flight from Bangkok to London Heathrow is 550 €. 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 Bangkok to London Heathrow?

12 hours and 56 minutes is the average flight time from Bangkok to London Heathrow.

Which airlines fly direct from Bangkok to London Heathrow?

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

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

As of June 2026, there are 52 flights per week flying from Bangkok to London Heathrow.

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

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

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to London Heathrow Airport on Tuesday, 3 November 2026.

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

Yes – the average flight time is 12 hours and 56 minutes.

How can I find the best flight deal to London Heathrow?

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 London Heathrow 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 London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from Bangkok to London Heathrow Airport (LHR): What you need to know

Bangkok's main base, Bangkok Suvarnabhumi International Airport (BKK), is where plenty of awesome adventures begin. Explore the departure options from here when searching for a flight from Bangkok to London Heathrow Airport (LHR).
Expect to be travelling for 12 hours 55 minutes. That's the average journey time for a direct Bangkok to London Heathrow Airport flight.
The timezone in London is UTC+0, which is seven hours behind Bangkok. London Heathrow Airport is located in London.
The most popular route is from Bangkok Suvarnabhumi International Airport (BKK) to London Heathrow Airport (LHR), with 21 direct weekly services. If you're ready to head out sooner, the earliest flight from BKK to LHR is the 12:05am Thai Airways International option. If you prefer travelling later, the last departure is at 1:20pm with Thai Airways International.
Your flight from Bangkok to LHR won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.
Popular months like February or other peak seasons mean longer queues and potential delays. Stay on schedule by arriving at the airport even earlier. Aim for at least four hours ahead of international flights and two hours before a domestic departure.

Airports in Bangkok

Bangkok Suvarnabhumi International Airport (BKK)

You can hop on a direct flight from Bangkok to London Heathrow Airport (LHR) out of Bangkok Suvarnabhumi International Airport (BKK).
Thai Airways International is a popular airline that operates direct flights from Bangkok to London Heathrow Airport taking off from BKK.
Thai Airways is the airline with the highest passenger demand for flights from BKK to LHR.
Thai Airways takes the lead in punctuality. An impressive 91.8% of its departures on this route land as scheduled.
A stopover is the perfect opportunity to take a break from travelling and maybe even visit a new city. When searching for cheap flights from Bangkok to LHR leaving from Bangkok Suvarnabhumi International Airport (BKK), deselect the 'Direct flights only' box to discover where you can stop along the way. Popular options include:
- Frankfurt Airport (FRA)
- Paris Charles de Gaulle Airport (CDG)
- Zurich Airport (ZRH)
Travelling from central Bangkok to BKK takes around 35 minutes by public transport. If you ride-share, drive or take a taxi, you'll cover the 31 kilometres in 35 minutes or so, depending on traffic.
Looking for a convenient hotel near Bangkok Suvarnabhumi International Airport? If you've booked an early flight from Bangkok to London Heathrow Airport, these stays will have you sleeping moments from your departure lounge:
When it comes to Bangkok Suvarnabhumi International Airport's on-time performance, data shows 73% of flights meet their scheduled arrival time.

Bangkok Don Mueang International Airport (DMK)

Get the most out of your holiday with a stopover on your flight from Bangkok to London Heathrow Airport. Here's where you can connect between Bangkok Don Mueang International Airport and LHR:
- Kuala Lumpur International Airport (KUL)
- Singapore Changi Airport (SIN)
- Mumbai Chhatrapati Shivaji International Airport (BOM)
You can arrive at DMK from central Bangkok in about 35 minutes by car (depending on traffic). The ride on public transport takes roughly 1 hour 5 minutes to cover the 24 kilometres or so.
Kick off your holiday early with an extra night away from home. Before catching your Bangkok to LHR flight, kick back in one of these hotels near Bangkok Don Mueang International Airport:
Bangkok Don Mueang International Airport has an on-time performance rate of 60%. This figure highlights how frequently flights departing from this airport make it to their destination on schedule.

About London Heathrow Airport (LHR)

The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Bangkok to London Heathrow Airport. Book one of these accommodation options near LHR instead:
For the best deal, book your ride around one week ahead of your Bangkok to London Heathrow Airport flight.

Getting from London Heathrow Airport (LHR) to central London

From London Heathrow Airport, central London is around 24 kilometres away. It takes about 45 minutes to reach the city centre by car.
Travelling by public transport typically takes 25 minutes.

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

Right now, 194 € is the lowest price we've found for a one-way ticket from Bangkok to London Heathrow Airport. The cheapest price for a return flight is 550 €. Remember fares can change due to availability at the time of booking.
Don't wait until the last moment. You're more likely to walk away with cheap flights from Bangkok to LHR if you book in advance. Airlines often have some fantastic early bird rates.
The 'Whole month' tool shows you the cheapest Bangkok to London Heathrow Airport tickets across the entire month. It's a great way to find a bargain if your plans are flexible.
Finding a cheap plane ticket from Bangkok to LHR is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as there's a price drop.
Find an affordable flight from Bangkok to London Heathrow Airport by using filters. Select your ideal departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Bangkok to London Heathrow Airport (LHR)

Think about the kind of experience you want when deciding when to fly. January is the quietest month to visit London. July is when most people book flights from Bangkok to London Heathrow Airport (LHR), which may be ideal if you're chasing more excitement.
The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Book your Bangkok to LHR plane ticket then if that's your ideal forecast.
Search for cheap tickets from Bangkok to London Heathrow Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF).

More about London

When it comes to searching for somewhere to rest your head, you'll find the best places to stay in London right here. Explore these hotels once you've booked your flight from Bangkok to London Heathrow Airport:
You'll find loads of fantastic things to do in London when you're ready to see the sights. Kick off your exploring at The British Museum followed by Westminster Abbey and Big Ben.

Explore more of the United Kingdom

London will leave a lasting impression, but there are so many other corners of the United Kingdom waiting to be discovered. About 257 kilometres northwest of London, a trip to Manchester will keep you busy. Check out popular attractions like Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.
If you're interested in discovering another side of the United Kingdom, head for Birmingham, roughly 153 kilometres northwest of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience are the start of reasons to visit.