Cheap flights from Heathrow to Bangkok

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How to find the cheapest flight from
Heathrow (LHR) to Bangkok (BKK)

All the information you need to plan the best LHR to BKK flight in 2021: compare Heathrow to Bangkok flight prices with the expected peak season, weather and rainfall in Bangkok.
LHR - TH1
Price
£418 - £648
TH1
Temperature
26 - 30 °C
TH1
Precipitation
10 - 320 mm

Popular in

December

High demand for flights, 28% potential price rise

Cheapest in

May

Best time to find cheap flights, 10% potential price drop

Round-trip from

418 kr

From London Heathrow to Bangkok

One-way from

£216

One-way flight from London Heathrow to Bangkok

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from London Heathrow Airport to Bangkok?

To save up to 8% on this flight, we recommend booking at least 60 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Heathrow Airport to Bangkok from £457 1-2 weeks out and tickets from £478 for flights departing within the next 72 hours.

What is the cheapest month to fly from London Heathrow Airport to Bangkok?

Flights from London Heathrow Airport to Bangkok lean towards being more expensive in December. Prices are generally better when you fly from London Heathrow Airport to Bangkok in June, with the cheapest ticket starting at £356.

When is the cheapest time to fly from London Heathrow Airport to Bangkok (LHR - TH1)?

When flying from London Heathrow Airport to Bangkok, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

One-way flights to Bangkok from London Heathrow

The cheapest one-way flights from Heathrow to Bangkok
03:30 - 03:15
Finnair
1 stop
17h 45m
LHR - BKK
Finnair
14:10 - 03:15
Finnair
1 stop
31h 05m
LHR - BKK
Finnair
14:10 - 03:25
Finnair
1 stop
30h 15m
LHR - BKK
Finnair

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Heathrow</span> to <span class="emphasized">Bangkok</span> flights.

Flight FAQs

From Heathrow to Bangkok

Which airlines flying from London Heathrow to Bangkok have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Thai Airways, EVA Air, and British Airways flying from London Heathrow to Bangkok have implemented new flexible cancellation policies.

What safety measures are being taken by airlines flying from London Heathrow to Bangkok to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Etihad Airways is one of them. New policies for travellers booking flights from London Heathrow to Bangkok include masks being provided and required on board, daily cleaning and sanitisation, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Are flight prices decreasing from London Heathrow Airport to Bangkok due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London Heathrow Airport and Bangkok for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from London Heathrow Airport to Bangkok for under £400 on Cheapflights?

Yes, there are multiple flights from London Heathrow Airport to Bangkok for under £400. The cheapest flight booked recently is on KLM for just £311, but on average you can expect to pay £345.

What are the cheapest airlines flying from London Heathrow Airport to Bangkok return?

Flying on KLM is currently your cheapest option to Bangkok, with prices starting at £311. Additional return tickets that might be worth considering are offered by Air France and Finnair, with the lowest prices starting at £339 and £339, respectively. Users have found that KLM is 33% cheaper than the other options available to this destination.

What are the most popular airlines that fly from London Heathrow Airport to Bangkok?

Before booking your flight from London Heathrow Airport to Bangkok, check out the most popular airlines for this route: Jet Airways, Air France or Air India.

What are the cheapest flights from London Heathrow Airport to Bangkok?

On average you can expect to pay £818 for a flight from London Heathrow Airport to Bangkok. The cheapest flight overall is £248 while the most popular route, (London Heathrow - Bangkok Suvarnabhumi) is currently priced at £339.

What airports serve Heathrow to Bangkok flights?

Flights from Heathrow to Bangkok are serviced via London Heathrow Airport, Arriving at Bangkok Suvarnabhumi Airport in Thailand. Flights are available from Emirates Airlines, EVA Air, Thai Airways, FinnAir, Etihad Airways, Turkish Airlines, and EgyptAir. Passengers looking for other flight options or airports can consider London City, Luton Airport, or Gatwick Airport. London also offers smaller flights at Stansted and Southend airports, which may include connecting service to Thailand.

Which airlines fly directly from Heathrow to Bangkok?

Direct flights from Heathrow to Bangkok Airport are available via Thai Airways, which offer a travel time around 11h 30m. These flights are available multiple times a day. Direct flights are also offered from EVA Air, offering a similar flight duration. Travellers can also find direct and indirect flights from nearby London Gatwick and other airports, with service from Shenzhen, China Southern, British Airways, KLM, Etihad, Shanghai Airlines, SWISS Air, and others.

What are stopover options on flights from Heathrow to Bangkok?

Stopover connections for flight routes to Bangkok from London Heathrow Airport include Helsinki, Abu Dhabi, Istanbul, and Cairo. Kuwait Airlines offers service with a flight stopover in Kuwait City, and KLM offers service with stopovers in Amsterdam. Jordan, Munich, Dubai, Shanghai, Amsterdam, Muscat, Charles de Gaulle, and Zurich are also available as stopover destinations on flights from London Heathrow to Bangkok, Thailand.

Do I need a passport or visa to fly from London Heathrow to Bangkok?

Passengers flying into Bangkok or other cities in Thailand from London will be required to provide a passport that has at least six months of validity in order to gain entry. All British and EU nationals have this requirement, along with Canadian, Australian, and US travellers. Due to recent changes, Thailand now also requires travellers to have proof of a return ticket and sufficient funds to leave the country upon their entry. Visas are not required for travellers visiting for tourist purposes, and people can stay for up to 30 days when arriving from the UK.

COVID Restrictions

View COVID Travel Restrictions for Bangkok, Thailand

Do I need a COVID test to fly to Bangkok from Heathrow?

Information is based on travel restrictions from London Heathrow to Bangkok

Most visitors from London Heathrow need to provide a negative COVID-19 test result and/or quarantine to enter Bangkok.

COVID-19 testing requirements
Visitors from London Heathrow must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Bangkok.

Quarantine requirements
Visitors from London Heathrow are not required to quarantine after entering Bangkok.

Do I need a test to fly back to Heathrow from Bangkok?

Returning to London Heathrow from Bangkok

COVID-19 testing requirements
Visitors from Bangkok must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London Heathrow.

Quarantine requirements
Visitors from Bangkok are not required to quarantine after entering London Heathrow.

Hide COVID Travel Restrictions for Bangkok, Thailand

Alternative routes for Heathrow to Bangkok

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Bangkok

Things to know before you go - useful duration and weather info for your trip from Heathrow to Bangkok.
Today's exchange rate
£1 = ฿45.59
Average temperature for September in Bangkok
33.0 °C
Avg rainfall for September in Bangkok
308.0 mm

Airports servicing London

Airports servicing Bangkok

Bangkok Suvarnabhumi (BKK)
Bangkok Don Mueang Intl (DMK)

Top 10 airlines flying from London Heathrow to Bangkok

The chart below displays the airlines Cheapflights users travelling from Heathrow to Bangkok choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Eurowings
£294 £560 No cancel fee 87%
Search Eurowings flights
China Eastern
£300 £361 No cancel fee 62%

We couldn't confirm the COVID-19 safety measures taken by China Eastern. Please check directly on their website for additional information.

Search China Eastern flights
KLM
£305 £453 No cancel fee 75%
Search KLM flights
Air France
£307 £440 No cancel fee 77%
Search Air France flights
Ukraine International Airlines
£329 £436 No cancel fee 81%
Search Ukraine International Airlines flights
Philippine Airlines
£355 £439 No cancel fee 60%
Search Philippine Airlines flights
Austrian Airlines
£362 £519 No cancel fee 78%
Search Austrian Airlines flights
Kuwait Airways
£368 £467 No cancel fee 64%

We couldn't confirm the COVID-19 safety measures taken by Kuwait Airways. Please check directly on their website for additional information.

Search Kuwait Airways flights
Royal Brunei Airlines
£375 £585 No cancel fee 84%

We couldn't confirm the COVID-19 safety measures taken by Royal Brunei Airlines. Please check directly on their website for additional information.

Search Royal Brunei Airlines flights
Turkish Airlines
£375 £437 No cancel fee 77%
Search Turkish Airlines flights

Hourly flight availability from Heathrow to Bangkok

See what time of day planes typically take off from Heathrow towards Bangkok.
Morning 6 AM to midday 100% of flight departures
Early morning Midnight to 6 AM 0% of flight departures
Afternoon Midday to 6 PM 0% of flight departures
Evening 6 PM to midnight 0% of flight departures
Midnight
6 AM
Noon
6 PM
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