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Cheap flights from Bangkok to London Heathrow Airport from ฿10,591

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
11 Jul — 18 Jul1
1 adult

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

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 6 July 2025.

Round-trip from

฿24,895

One-way from

฿10,591

Popular in

April

Cheapest in

March

Average price

฿33,581
China Southern
  • China Southern
  • 27/10-11/11
  • 2 total stops
  • 61h 35m total
  • Bangkok to London
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26/7
  • 26/7
  • 2 total stops
  • 32h 25m total
  • Bangkok to London
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 0% potential price decrease (฿7,202 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Bangkok to Heathrow

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 6 July 2025.

Mon 27/1018:05BKK - LHR
1 stop31h 10mChina Southern
Tue 11/1122:00LHR - BKK
1 stop30h 25mChina Southern
Deal found 5/7฿24,895
Mon 28/721:55BKK - LHR
1 stop26h 45mChina Eastern
Thu 31/721:20LHR - BKK
1 stop17h 35mChina Eastern
Deal found 5/7฿24,959
Sat 26/708:40BKK - LHR
1 stop16h 20mMultiple Airlines
Wed 1/1022:00LHR - BKK
1 stop20h 20mMultiple Airlines
Deal found 3/7฿24,992
Tue 7/1013:30BKK - LHR
2 stops22h 55mรอยัลบรูไนแอร์ไลน์
Sun 12/1017:15LHR - BKK
2 stops37h 25mรอยัลบรูไนแอร์ไลน์
Deal found 4/7฿25,153
Sun 3/801:30BKK - LHR
2 stops24h 00mไห่หนานแอร์ไลน์
Wed 17/922:00LHR - BKK
1 stop20h 20mไห่หนานแอร์ไลน์
Deal found 6/7฿25,185
Mon 6/1003:25BKK - LHR
1 stop17h 20mคูเวตแอร์เวย์
Wed 8/1011:45LHR - BKK
1 stop16h 35mคูเวตแอร์เวย์
Deal found 5/7฿25,347
Mon 15/902:55BKK - LHR
1 stop15h 50mเอทิฮัดแอร์เวย์
Tue 23/909:30LHR - BKK
1 stop15h 50mเอทิฮัดแอร์เวย์
Deal found 5/7฿25,444
Thu 2/1008:40BKK - LHR
1 stop17h 45mQatar Airways
Mon 6/1016:00LHR - BKK
1 stop15h 25mQatar Airways
Deal found 4/7฿26,090
Sun 27/716:45DMK - LHR
2 stops32h 25mMultiple Airlines
Tue 12/821:45LHR - DMK
1 stop19h 05mMultiple Airlines
Deal found 5/7฿26,380
Mon 3/1117:55BKK - LHR
1 stop32h 45mAir China
Wed 19/1117:40LHR - BKK
1 stop17h 25mAir China
Deal found 6/7฿26,542

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 6 July 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

Mon 27/10

18:05-18:15

1 stop31h 10m

London Heathrow

Tue 11/11

22:00-11:25

1 stop30h 25m

฿24,895

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 28/7

21:55-18:40

1 stop26h 45m

London Heathrow

Thu 31/7

21:20-20:55

1 stop17h 35m

฿24,959

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 26/7

08:40-19:00

1 stop16h 20m

London Heathrow

Wed 1/10

22:00-00:20

1 stop20h 20m

฿24,992

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 7/10

13:30-06:25

2 stops22h 55m

London Heathrow

Sun 12/10

17:15-12:40

2 stops37h 25m

฿25,153

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 3/8

01:30-19:30

2 stops24h 00m

London Heathrow

Wed 17/9

22:00-00:20

1 stop20h 20m

฿25,185

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 6/10

03:25-14:45

1 stop17h 20m

London Heathrow

Wed 8/10

11:45-10:20

1 stop16h 35m

฿25,347

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 15/9

02:55-12:45

1 stop15h 50m

London Heathrow

Tue 23/9

09:30-07:20

1 stop15h 50m

฿25,444

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 21/7

19:40-06:55

1 stop17h 15m

London Heathrow

Thu 21/8

10:00-09:55

1 stop17h 55m

฿26,025

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 2/10

08:40-20:25

1 stop17h 45m

London Heathrow

Mon 6/10

16:00-13:25

1 stop15h 25m

฿26,090

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sun 27/7

16:45-19:10

2 stops32h 25m

London Heathrow

Tue 12/8

21:45-22:50

1 stop19h 05m

฿26,380

Flights are sorted by cheapest return flights first.

Deals found on 4/7

Showing 1-10 of 20 results
1
2

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 27 June 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, December is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of ฿810). Flying from Bangkok to London Heathrow Airport in July is currently the most expensive (average of ฿1,025). 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 6 July 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 31% on flights from Bangkok to London Heathrow Airport by exploring options for tickets in the afternoon.

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 29 June 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 evenings 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 6 July 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 6 July 2025.
Get a feel of what it's like to fly with ไห่หนานแอร์ไลน์, China Southern, andVietnam Airlines 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.
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
Check prices

Overall

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.9

Food

8.6

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
Check prices

Overall

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.9

Food

8.6

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
China Southern
7.6
Good
101 reviews
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
Check prices

Overall

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.9

Food

8.6

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Vietnam Airlines
7.5
Good
195 reviews
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
Check prices

Overall

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.9

Food

8.6

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Qatar Airways
7.4
Good
3,590 reviews
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
Check prices

Overall

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.9

Food

8.6

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
ซาอุเดียแอร์ไลน์
7.4
Good
619 reviews
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
Check prices

Overall

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.9

Food

8.6

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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.

  • 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 ฿24,895. Other airlines that can offer you cheap pricing are China Eastern, from ฿24,959, and ไห่หนานแอร์ไลน์, from ฿25,089. China Southern is currently priced 24% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Bangkok to London Heathrow Airport one-way?

    The cheapet airlines for a one-way flight from Bangkok to London Heathrow Airport are China Eastern (฿10,688), ไห่หนานแอร์ไลน์ (฿10,785), and China Southern (฿11,011).

  • 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: EVA Air (58%), Thai Airways (58%), แอร์แคนาดา( 58%).

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

    On average you can expect to pay ฿58,049 for a flight from Bangkok to London Heathrow Airport. The cheapest flight overall is ฿13,118 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at ฿22,344.

  • 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, December is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of ฿810). Flying from Bangkok to London Heathrow Airport in July is currently the most expensive (average of ฿1,025). 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 Bangkok?

Book flights to Bangkok if you plan to visit one of these locations
Brentford
Waterlooville

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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 6 July 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest฿18,067Average฿22,906FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest฿21,442Average฿23,330FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest฿22,354Average฿28,754FlexibilityNo cancel feeOn-time67%
Search Air China flights
เอทิฮัดแอร์เวย์Cheapest฿23,200Average฿29,759FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
FinnairCheapest฿23,521Average฿29,394FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Malaysia AirlinesCheapest฿23,760Average฿26,722FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
ลุฟท์ฮันซ่าCheapest฿24,069Average฿28,477FlexibilityNo cancel feeOn-time76%
Search ลุฟท์ฮันซ่า flights
เตอร์กิชแอร์ไลน์Cheapest฿24,272Average฿25,914FlexibilityNo cancel feeOn-time77%
Search เตอร์กิชแอร์ไลน์ flights
คูเวตแอร์เวย์Cheapest฿25,391Average฿26,696FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights
ออสเตรียนแอร์ไลน์Cheapest฿25,490Average฿28,419FlexibilityNo cancel feeOn-time78%
Search ออสเตรียนแอร์ไลน์ 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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