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Thailand (ภาษาไทย)
ภาษาไทย

Cheap flights from Bangkok to London Heathrow Airport from ฿7,611

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Bangkok to London Heathrow are usually found in November or March, booked 27 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Find flight deals from Bangkok to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Bangkok to Heathrow
Explore the most affordable flight options available from Bangkok to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 November 2025.

Sat 6/1214:40BKK - LHR
1 stop25h 15mMultiple Airlines
Thu 8/106:40LHR - BKK
2 stops20h 10mMultiple Airlines
Deal found 3/11฿21,833
Tue 2/1213:55BKK - LHR
1 stop35h 40mChina Southern
Sun 4/117:15LHR - BKK
2 stops42h 00mChina Southern
Deal found 3/11฿21,897
Tue 2/1217:25BKK - LHR
1 stop22h 30mMultiple Airlines
Thu 8/113:30LHR - BKK
1 stop17h 05mMultiple Airlines
Deal found 3/11฿21,994
Mon 1/1205:05BKK - LHR
1 stop19h 25mMultiple Airlines
Wed 7/121:10LHR - BKK
1 stop22h 05mMultiple Airlines
Deal found 3/11฿22,058
Wed 3/1209:25BKK - LHR
1 stop15h 45mMultiple Airlines
Fri 9/121:10LHR - BKK
1 stop22h 05mMultiple Airlines
Deal found 3/11฿22,155
Sat 8/1102:55BKK - LHR
1 stop18h 35mMultiple Airlines
Mon 10/1108:25LHR - BKK
1 stop15h 20mMultiple Airlines
Deal found 2/11฿22,187
Sun 9/1102:55BKK - LHR
1 stop22h 15mMultiple Airlines
Fri 14/1121:00LHR - BKK
2 stops30h 05mMultiple Airlines
Deal found 3/11฿22,220
Thu 11/1202:55BKK - LHR
1 stop18h 35mMultiple Airlines
Wed 31/1221:10LHR - BKK
1 stop38h 20mMultiple Airlines
Deal found 2/11฿22,252
Mon 1/1201:55BKK - LHR
1 stop22h 35mMultiple Airlines
Thu 4/1217:40LHR - BKK
1 stop23h 30mMultiple Airlines
Deal found 2/11฿22,284
Wed 5/1102:55BKK - LHR
1 stop18h 35mMultiple Airlines
Mon 24/1120:05LHR - BKK
1 stop14h 40mMultiple Airlines
Deal found 2/11฿22,349
Thu 6/1102:55BKK - LHR
1 stop22h 15mMultiple Airlines
Fri 14/1121:10LHR - BKK
1 stop31h 00mMultiple Airlines
Deal found 1/11฿22,381
Tue 4/1123:00DMK - LHR
2 stops27h 25mMultiple Airlines
Mon 10/1121:05LHR - DMK
2 stops24h 20mMultiple Airlines
Deal found 3/11฿24,380

Cheap flight deals from Bangkok to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 November 2025.

Round-trip from

฿22,220

One-way from

฿7,611

Popular in

April

Cheapest in

November

Average price

฿28,992
Shenzhen Airlines
  • Shenzhen Airlines
  • 19/12-10/1
  • 2 total stops
  • 40h 40m total
  • Bangkok to London
Search Deals
10/1
  • 10/1
  • 2 total stops
  • 28h 55m total
  • Bangkok to London
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (฿1,196 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (฿8,220 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bangkok to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 3 November 2025.
Use the filters below to find and compare flights from Bangkok to London Heathrow Airport that are best for you.

Fly from

Bangkok

Fly to

Heathrow

Route

Depart

Return

Price

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 11/3

18:40-05:35

1 stop17h 55m

London Heathrow

Sun 15/3

10:25-10:15

1 stop16h 50m

฿22,865

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 1/5

18:40-05:55

1 stop17h 15m

London Heathrow

Sun 17/5

21:35-23:05

1 stop19h 30m

฿23,348

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 16/2

20:05-15:25

1 stop26h 20m

London Heathrow

Mon 23/2

10:25-16:05

1 stop22h 40m

฿23,606

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sun 16/11

20:00-18:35

2 stops29h 35m

London Heathrow

Thu 20/11

21:35-22:35

1 stop18h 00m

฿25,831

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Fri 26/12

23:45-19:20

2 stops26h 35m

London Heathrow

Fri 9/1

21:05-04:25

2 stops24h 20m

฿26,476

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 16/1

13:05-15:00

1 stop32h 55m

London Heathrow

Sun 25/1

11:00-10:40

1 stop16h 40m

฿27,057

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 1/12

15:00-17:00

1 stop33h 00m

London Heathrow

Sat 31/1

18:10-06:05

1 stop28h 55m

฿27,347

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Fri 2/1

09:15-13:50

2 stops35h 35m

London Heathrow

Tue 6/1

21:30-01:50

2 stops21h 20m

฿27,379

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Thu 15/1

15:15-06:40

2 stops22h 25m

London Heathrow

Sat 24/1

21:10-01:50

1 stop21h 40m

฿27,605

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Tue 18/11

23:00-17:40

2 stops25h 40m

London Heathrow

Tue 25/11

22:10-22:35

1 stop17h 25m

฿27,702

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 44 results
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Best time to book a flight from Bangkok to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Bangkok with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bangkok to London Heathrow Airport

How far ahead should I book a flight from Bangkok to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Bangkok to Heathrow. Price data was last updated on 31 October 2025.

The price you pay for your flight from Bangkok to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 27 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Bangkok to London Heathrow Airport?

Currently, March is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of ฿21,188). Flying from Bangkok to London Heathrow Airport in January is currently the most expensive (average of ฿26,283). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BKK to LHR?

Find hourly flight availability from Bangkok to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 November 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 25% on flights from Bangkok to London Heathrow Airport by exploring options for tickets in the morning.

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

Use this chart to determine the cheapest time to fly return from Bangkok to Heathrow. Price data was last updated on 2 November 2025.

Travellers seeking maximum savings on their Bangkok to London Heathrow Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Bangkok to London Heathrow Airport

Explore weekly flight availability from Bangkok to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 3 November 2025.

The most flights from TH1 to LHR are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost for a return flight from Bangkok to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 3 November 2025.
Get a feel of what it's like to fly with EVA Air, Emirates, andThai Airways from Bangkok to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,268 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very Good
1,268 reviews
EVA Air
8.4
Very Good
1,268 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Emirates
8.1
Very Good
3,400 reviews
EVA Air
8.4
Very Good
1,268 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Thai Airways
7.8
Good
361 reviews
EVA Air
8.4
Very Good
1,268 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
เอทิฮัดแอร์เวย์
7.4
Good
1,284 reviews
EVA Air
8.4
Very Good
1,268 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
บริติชแอร์เวย์
6.7
Okay
7,494 reviews
EVA Air
8.4
Very Good
1,268 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Related info for your journey

Find useful and relevant information for your journey from Bangkok to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Bangkok to London Heathrow Airport?

    There are many flights that can get you from Bangkok to London Heathrow Airport in 17h 55m. Fly via Malaysia Airlines, ซาอุเดียแอร์ไลน์, or Cathay Pacific to get the fastest option. Bangkok and London Heathrow Airport are separated by a distance of 9571 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Bangkok to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Bangkok to London Heathrow Airport return from ฿19,712. Other airlines that can offer you cheap pricing are ลุฟท์ฮันซ่า, from ฿20,187, and China Southern, from ฿21,474. China Eastern is currently priced 39% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Bangkok to London Heathrow Airport?

    Before booking your flight to London Heathrow Airport from Bangkok, have a look at the most reliable airlines to get you to your destination on time: แอร์แคนาดา (91%), Thai Airways (74%), EVA Air( 65%).

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

    On average you can expect to pay ฿57,253 for a flight from Bangkok to London Heathrow Airport. The cheapest flight overall is ฿14,136 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at ฿20,156.

  • Can I find deals for flights from Bangkok to Heathrow that include hotel bookings?

    Yes. In addition to deals on Bangkok to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bangkok to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangkok to Heathrow.

  • Can I find deals for business class flights from Bangkok to Heathrow?

    Yes. Cheapflights offers flight deals from Bangkok to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bangkok to London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of ฿21,188). Flying from Bangkok to London Heathrow Airport in January is currently the most expensive (average of ฿26,283). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Brentford
Waterlooville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Bangkok to Heathrow

Discover the top 10 airlines that operate flights from Bangkok to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 3 November 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest฿19,712Average฿24,490FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
ลุฟท์ฮันซ่าCheapest฿20,187Average฿29,192FlexibilityNo cancel feeOn-time76%
Search ลุฟท์ฮันซ่า flights
China SouthernCheapest฿21,474Average฿22,878FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest฿22,394Average฿29,057FlexibilityNo cancel feeOn-time67%
Search Air China flights
Malaysia AirlinesCheapest฿23,093Average฿25,512FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
FinnairCheapest฿23,492Average฿28,201FlexibilityNo cancel feeOn-time76%
Search Finnair flights
คูเวตแอร์เวย์Cheapest฿23,543Average฿26,232FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights
เตอร์กิชแอร์ไลน์Cheapest฿24,242Average฿25,881FlexibilityNo cancel feeOn-time77%
Search เตอร์กิชแอร์ไลน์ flights
เอทิฮัดแอร์เวย์Cheapest฿25,265Average฿29,245FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
Cathay PacificCheapest฿25,532Average฿27,725FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Bangkok to Heathrow?

When you search for this flight from Bangkok to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Bangkok to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Bangkok by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Bangkok to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Bangkok shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Bangkok to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Bangkok to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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