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Cheap Flights from London Heathrow to Bangkok Suvarnabhumi

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Compare London Heathrow to Bangkok Suvarnabhumi flight deals

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

Book the best Bangkok Suvarnabhumi fare with no extra fees

Flight deals from London Heathrow to Bangkok Suvarnabhumi

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Bangkok Suvarnabhumi? Find the lowest prices on one-way and return tickets right here.
Bangkok.Rs97,075 per passenger.Departing Tue, 5 May.One-way flight with Aegean Airlines.Outbound indirect flight with Aegean Airlines, departs from London Heathrow on Tue, 5 May, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs97,075, select.
Bangkok.Rs97,213 per passenger.Departing Wed, 11 Mar.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Wed, 11 Mar, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs97,213, select.
Bangkok.Rs99,000 per passenger.Departing Fri, 27 Feb.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Fri, 27 Feb, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs99,000, select.
Bangkok.Rs103,236 per passenger.Departing Thu, 20 Nov.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Thu, 20 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs103,236, select.
Bangkok.Rs103,299 per passenger.Departing Fri, 19 Sep.One-way flight with KLM.Outbound indirect flight with KLM, departs from London Heathrow on Fri, 19 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs103,299, select.
Bangkok.Rs103,401 per passenger.Departing Fri, 20 Jun.One-way flight with Hainan Airlines.Outbound indirect flight with Hainan Airlines, departs from London Heathrow on Fri, 20 Jun, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs103,401, select.
Bangkok.Rs104,777 per passenger.Departing Thu, 9 Apr.One-way flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Thu, 9 Apr, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs104,777, select.
Bangkok.Rs109,342 per passenger.Departing Thu, 29 Jan.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Thu, 29 Jan, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs109,342, select.

Find the cheapest month to fly from London Heathrow to Bangkok Suvarnabhumi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Bangkok Suvarnabhumi flights are currently cheapest in May.
Jun
from Rs103,401
Jul
from Rs135,212
Aug
from Rs114,794
Sep
from Rs103,299
Oct
from Rs113,253
Nov
from Rs103,236
Dec
from Rs115,178
Jan
from Rs109,342
Feb
from Rs99,000
Mar
from Rs97,213
Apr
from Rs104,777
May
from Rs97,075

Direct flights from London Heathrow to Bangkok Suvarnabhumi

London Heathrow to Bangkok Suvarnabhumi: Alternative routes

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

London to Bangkok: Flight information

The things to know before you go.
Cheapest flight foundRs97,075
Cheapest month to flyMay
Average flight time11 hrs, 33 mins
Most popular airlineThai Airways
Average flights per week51

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

The best price we found for a return flight from London Heathrow to Bangkok Suvarnabhumi is Rs130,013. 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.
11 hours and 33 minutes is the average flight time from London Heathrow to Bangkok Suvarnabhumi.
Thai Airways, Air Canada and EVA Air fly direct from London Heathrow to Bangkok Suvarnabhumi.
As of June 2025, there are 51 flights per week flying from London Heathrow to Bangkok Suvarnabhumi.
The cheapest month to fly from London Heathrow to Bangkok Suvarnabhumi is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Bangkok Suvarnabhumi Airport on Wednesday, 11 March 2026.
Yes – the average flight time is 11 hours and 33 minutes.
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 Suvarnabhumi 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.
Currently, Emirates and Thai Airways offer the cheapest flight tickets to Bangkok Suvarnabhumi.

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

  • Hop on a direct flight from London Heathrow Airport to Suvarnabhumi Airport and you'll be in the air for an average of 11 hours 35 minutes.

  • Bangkok's timezone is UTC+7, making Bangkok seven hours ahead of London.

  • Flights from LHR to BKK start at 11:50 — the earliest with Thai Airways International. The last service of the day is at 21:35 with EVA Air. Overall, there are 30 weekly London Heathrow Airport to Suvarnabhumi Airport flights.

  • Your LHR to BKK flight won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Flying during a peak time such as July? Major public holidays and other popular seasons can result in longer queues and delays at airport checkpoints. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.

  • EVA Air offers direct flights from London Heathrow Airport to Suvarnabhumi Airport. Book with this popular airline, then get ready to see the sights in Bangkok — and maybe even more of Thailand if your schedule allows.

  • EVA Air has the highest passenger demand on this route.

  • The carrier with the best on-time arrival rate for LHR to BKK flights is Thai Airways International.

  • Consider adding a stopover when booking your ticket from London Heathrow Airport to Suvarnabhumi Airport. Just deselect 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Here are some options between LHR and BKK:

    • Vancouver International Airport

    • Frankfurt Airport

    • Vienna International Airport

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

  • The cheapest price we've found for a one-way London Heathrow Airport to Suvarnabhumi Airport flight is Rs97,075. A round-trip plane ticket right now is Rs130,013. Depending on the availability when you book, these fares can change.

  • Book three months before you travel. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from LHR to BKK.

  • The cheapest month for flights from London Heathrow Airport to Suvarnabhumi Airport is February. Use the 'Whole month' tool to see the lowest airfares if you have flexible dates.

  • Stay on top of deals for cheap flights from LHR to BKK by setting up a Price Alert. We'll send you an email or push notification on the app when a lower fare becomes available.

  • Discover the ideal flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from London Heathrow Airport to Suvarnabhumi Airport, use the 'Sort by' function. You can also filter results by arrival and departure times, airline, and number of stops.

Handy information about London Heathrow Airport (LHR)

  • 68.18% of flights that leave from London Heathrow Airport make it to their destination on schedule.

  • To reach London Heathrow Airport from central London, it'll take about 55 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 31 kilometres from the airport to the city centre.

  • The trip on public transport will take about 1 hour.

  • Need a convenient hotel close to LHR? If you're boarding an early flight from London Heathrow Airport to Suvarnabhumi Airport, these accommodation options will put you moments from check-in:

Arriving at Suvarnabhumi Airport (BKK)

Getting from Suvarnabhumi Airport (BKK) to central Bangkok

  • From Suvarnabhumi Airport, Bangkok is approximately 32 kilometres away. It takes around 35 minutes to reach the centre by car.

  • When travelling on public transport, expect a journey time of around 1 hour 5 minutes.

When to fly to Suvarnabhumi Airport (BKK)

  • The quietest month for a flight from London Heathrow Airport to Suvarnabhumi Airport is April, while July is the busiest. Choose the ideal time to go to Bangkok based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Bangkok is April, with the temperature ranging between 26ºC and 37ºC. Book your flights from London Heathrow Airport to Suvarnabhumi Airport in this month if you enjoy this type of weather.

  • December sees average temperatures of between 19ºC and 33ºC. Look for cheap tickets from LHR to BKK sometime then if you like travelling in cooler conditions.

Explore more of Thailand

  • Udon Thani is just one of the many cities in Thailand waiting to be discovered after you've seen Bangkok. Around 467 kilometres away to the north-east, its best attractions include Nong Prajak Public Park, Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor.

  • If you're ready to explore another side of Thailand, head for Chon Buri, about 64 kilometres south-east of Bangkok. Wat Ton Son, Forest and Phra Phutthasihing Hall are highlights.

Plan the rest of your trip from London to Bangkok

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