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Thailand (ภาษาไทย)
ภาษาไทย

Cheap flights from Bangkok to London Heathrow Airport from ฿8,722

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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
18 Nov — 25 Nov1
1 adult
1 adult, Economy

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 19 October 2025.

Tue 23/1212:45BKK - LHR
1 stop34h 15mMultiple Airlines
Thu 8/108:15LHR - BKK
2 stops18h 35mMultiple Airlines
Deal found 18/10฿22,018
Wed 12/1118:05BKK - LHR
1 stop31h 30mChina Southern
Sun 16/1117:15LHR - BKK
2 stops41h 40mChina Southern
Deal found 17/10฿22,050
Wed 22/1002:10BKK - LHR
1 stop22h 30mMultiple Airlines
Sun 26/1021:10LHR - BKK
1 stop31h 00mMultiple Airlines
Deal found 17/10฿22,116
Sat 25/1021:55BKK - LHR
1 stop26h 35mMultiple Airlines
Mon 10/1121:00LHR - BKK
2 stops30h 05mMultiple Airlines
Deal found 17/10฿22,214
Sat 27/1201:35BKK - LHR
1 stop23h 20mMultiple Airlines
Sun 18/122:15LHR - BKK
2 stops29h 35mMultiple Airlines
Deal found 17/10฿22,246
Mon 1/1220:05BKK - LHR
1 stop26h 20mMultiple Airlines
Mon 8/1221:00LHR - BKK
2 stops30h 05mMultiple Airlines
Deal found 17/10฿22,377
Tue 21/1015:55BKK - LHR
1 stop33h 05mChina Southern
Tue 28/1021:30LHR - BKK
2 stops54h 40mChina Southern
Deal found 17/10฿22,410
Sat 15/1118:05BKK - LHR
1 stop31h 30mChina Southern
Sat 22/1121:30LHR - BKK
2 stops37h 45mChina Southern
Deal found 18/10฿22,442
Mon 20/1005:05BKK - LHR
1 stop19h 35mMultiple Airlines
Wed 5/1121:10LHR - BKK
1 stop22h 05mMultiple Airlines
Deal found 17/10฿22,508
Sat 15/1119:10BKK - LHR
1 stop29h 45mMultiple Airlines
Sat 22/1121:10LHR - BKK
1 stop22h 05mMultiple Airlines
Deal found 18/10฿22,573
Sun 16/1120:20DMK - LHR
2 stops28h 50mMultiple Airlines
Sun 23/1121:05LHR - DMK
1 stop18h 45mMultiple Airlines
Deal found 17/10฿23,880
Tue 11/1115:15DMK - LHR
2 stops22h 25mMultiple Airlines
Mon 17/1122:00LHR - DMK
1 stop23h 50mMultiple Airlines
Deal found 18/10฿24,402

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 19 October 2025.

Round-trip from

฿22,018

One-way from

฿8,722

Popular in

April

Cheapest in

November

Average price

฿32,667
23/12-8/1
  • 23/12-8/1
  • 3 total stops
  • 52h 50m total
  • Bangkok to London
Search Deals
สแกนดอเนเวียนแอร์ไลน์
  • สแกนดอเนเวียนแอร์ไลน์
  • 6/11
  • 1 total stop
  • 15h 55m total
  • Bangkok to London
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease (฿8,345 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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 19 October 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

Tue 20/1

20:05-15:25

1 stop26h 20m

London Heathrow

Mon 26/1

10:25-13:25

1 stop20h 00m

฿22,769

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 11/3

20:05-15:25

1 stop26h 20m

London Heathrow

Sun 15/3

10:25-19:20

1 stop25h 55m

฿22,769

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 16/11

20:05-15:25

1 stop26h 20m

London Heathrow

Thu 20/11

21:25-23:10

1 stop18h 45m

฿23,259

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sun 16/11

20:20-18:10

2 stops28h 50m

London Heathrow

Sun 23/11

21:05-22:50

1 stop18h 45m

฿24,108

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Tue 11/11

15:15-06:40

2 stops22h 25m

London Heathrow

Mon 17/11

22:00-04:50

1 stop23h 50m

฿24,402

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sun 16/11

21:35-18:10

2 stops27h 35m

London Heathrow

Thu 20/11

21:35-22:35

1 stop18h 00m

฿24,631

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 20/12

02:55-18:10

1 stop22h 15m

London Heathrow

Wed 14/1

19:20-23:20

1 stop21h 00m

฿24,729

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sun 18/1

21:10-18:10

2 stops28h 00m

London Heathrow

Mon 26/1

20:55-04:25

2 stops24h 30m

฿25,088

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 10/11

02:55-12:05

1 stop16h 10m

London Heathrow

Sun 16/11

20:55-23:20

1 stop19h 25m

฿25,415

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Mon 22/12

23:45-19:20

2 stops26h 35m

London Heathrow

Mon 5/1

21:05-04:25

2 stops24h 20m

฿25,578

Flights are sorted by cheapest return flights first.

Deals found on 18/10

Showing 1-10 of 43 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 17 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 ฿21,430). Flying from Bangkok to London Heathrow Airport in January is currently the most expensive (average of ฿26,591). 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 19 October 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 12 October 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. Sunday 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 19 October 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).

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 19 October 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
1,254 reviews
Check prices

Overall

8.4

Food

8.1

Boarding

8.4

Crew

8.6

Comfort

8.3

Entertainment

8.0

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
1,254 reviews
EVA Air
8.4
Very Good
1,254 reviews
Check prices

Overall

8.4

Food

8.1

Boarding

8.4

Crew

8.6

Comfort

8.3

Entertainment

8.0

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
3,375 reviews
EVA Air
8.4
Very Good
1,254 reviews
Check prices

Overall

8.4

Food

8.1

Boarding

8.4

Crew

8.6

Comfort

8.3

Entertainment

8.0

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
359 reviews
EVA Air
8.4
Very Good
1,254 reviews
Check prices

Overall

8.4

Food

8.1

Boarding

8.4

Crew

8.6

Comfort

8.3

Entertainment

8.0

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
1,281 reviews
EVA Air
8.4
Very Good
1,254 reviews
Check prices

Overall

8.4

Food

8.1

Boarding

8.4

Crew

8.6

Comfort

8.3

Entertainment

8.0

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
7,460 reviews
EVA Air
8.4
Very Good
1,254 reviews
Check prices

Overall

8.4

Food

8.1

Boarding

8.4

Crew

8.6

Comfort

8.3

Entertainment

8.0

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 22h 15m. Fly via Malaysia Airlines or เอทิฮัดแอร์เวย์ 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 ฿21,335. Other airlines that can offer you cheap pricing are China Eastern, from ฿22,213, and Air China, from ฿22,684. China Southern is currently priced 35% 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 (86%), Thai Airways (76%), EVA Air( 72%).

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

    On average you can expect to pay ฿57,808 for a flight from Bangkok to London Heathrow Airport. The cheapest flight overall is ฿14,223 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at ฿20,613.

  • 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 ฿21,430). Flying from Bangkok to London Heathrow Airport in January is currently the most expensive (average of ฿26,591). 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 19 October 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest฿21,335Average฿23,175FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest฿22,213Average฿24,150FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest฿22,684Average฿29,415FlexibilityNo cancel feeOn-time67%
Search Air China flights
FinnairCheapest฿23,797Average฿28,901FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Malaysia AirlinesCheapest฿24,038Average฿25,843FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
ลุฟท์ฮันซ่าCheapest฿24,351Average฿29,239FlexibilityNo cancel feeOn-time76%
Search ลุฟท์ฮันซ่า flights
เตอร์กิชแอร์ไลน์Cheapest฿24,556Average฿26,217FlexibilityNo cancel feeOn-time77%
Search เตอร์กิชแอร์ไลน์ flights
เอทิฮัดแอร์เวย์Cheapest฿25,592Average฿29,793FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
คูเวตแอร์เวย์Cheapest฿25,688Average฿27,008FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights
Cathay PacificCheapest฿25,862Average฿28,929FlexibilityNo 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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