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Cheap flights from Bangkok to London Heathrow Airport from ฿10,958

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
17 May — 24 May1
1 adult

Cheapflights Tip: The best prices from Bangkok to London Heathrow are usually found in March or June, booked 70 days in advance, depart on a Wednesday or Monday 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 12 May 2025.

Round-trip from

฿24,647

One-way from

฿10,958

Popular in

December

Cheapest in

March

Average price

฿32,084
18/5-22/5
  • 18/5-22/5
  • 5 total stops
  • 57h 55m total
  • Bangkok to London
Search Deals
14/6
  • 14/6
  • 2 total stops
  • 31h 15m total
  • Bangkok to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (฿33,373 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (฿7,826 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 12 May 2025.

Tue 9/919:20BKK - LHR
1 stop30h 10mMultiple Airlines
Thu 11/921:05LHR - BKK
1 stop16h 30mMultiple Airlines
Deal found 11/5฿24,549
Sat 17/503:25BKK - LHR
1 stop17h 20mคูเวตแอร์เวย์
Wed 11/611:45LHR - BKK
1 stop16h 35mคูเวตแอร์เวย์
Deal found 11/5฿25,009
Mon 2/619:10BKK - LHR
1 stop29h 30mChina Eastern
Sun 8/621:20LHR - BKK
1 stop18h 35mChina Eastern
Deal found 10/5฿25,075
Wed 14/521:00BKK - LHR
2 stops39h 20mรอยัลบรูไนแอร์ไลน์
Sun 18/517:15LHR - BKK
2 stops37h 25mรอยัลบรูไนแอร์ไลน์
Deal found 11/5฿25,273
Mon 9/601:30BKK - LHR
1 stop22h 15mAir China
Tue 17/620:25LHR - BKK
1 stop21h 45mAir China
Deal found 11/5฿25,503
Wed 16/701:50BKK - LHR
1 stop24h 40mซาอุเดียแอร์ไลน์
Sat 16/810:00LHR - BKK
1 stop21h 45mซาอุเดียแอร์ไลน์
Deal found 11/5฿25,635
Wed 14/509:20DMK - LHR
2 stops40h 55mMultiple Airlines
Sun 18/513:15LHR - DMK
1 stop27h 35mMultiple Airlines
Deal found 11/5฿26,688
Sun 18/519:40BKK - LHR
1 stop26h 55mMalaysia Airlines
Thu 22/521:35LHR - BKK
1 stop19h 30mMalaysia Airlines
Deal found 11/5฿26,721
Mon 12/519:30BKK - LHR
1 stop28h 20mVietnam Airlines
Thu 15/519:10LHR - BKK
1 stop18h 55mVietnam Airlines
Deal found 11/5฿26,852
Sat 17/508:40BKK - LHR
1 stop15h 20mQatar Airways
Sat 24/518:55LHR - BKK
1 stop18h 25mQatar Airways
Deal found 11/5฿27,083
Wed 1/1002:55BKK - LHR
1 stop34h 05mเอทิฮัดแอร์เวย์
Fri 10/1014:45LHR - BKK
1 stop27h 10mเอทิฮัดแอร์เวย์
Deal found 11/5฿27,115
Tue 12/807:05BKK - LHR
1 stop35h 05mFinnair
Fri 19/910:20LHR - BKK
1 stop37h 10mFinnair
Deal found 11/5฿27,214

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 12 May 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 9/9

19:20-19:30

1 stop30h 10m

London Heathrow

Thu 11/9

21:05-19:35

1 stop16h 30m

฿24,549

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 2/6

19:10-18:40

1 stop29h 30m

London Heathrow

Sun 8/6

21:20-21:55

1 stop18h 35m

฿25,075

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 9/6

01:30-17:45

1 stop22h 15m

London Heathrow

Tue 17/6

20:25-00:10

1 stop21h 45m

฿25,503

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 16/7

01:50-20:30

1 stop24h 40m

London Heathrow

Sat 16/8

10:00-13:45

1 stop21h 45m

฿25,635

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 31/5

03:25-14:45

1 stop17h 20m

London Heathrow

Sun 31/8

11:45-10:20

1 stop16h 35m

฿25,766

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 21/5

11:20-19:00

1 stop37h 40m

London Heathrow

Wed 4/6

12:10-12:50

2 stops42h 40m

฿25,898

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 16/9

19:40-16:35

1 stop26h 55m

London Heathrow

Fri 3/10

11:00-10:15

1 stop17h 15m

฿26,852

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 10/8

07:05-15:10

1 stop38h 05m

London Heathrow

Wed 27/8

16:10-05:30

1 stop31h 20m

฿27,083

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 1/10

02:55-07:00

1 stop34h 05m

London Heathrow

Fri 10/10

14:45-23:55

1 stop27h 10m

฿27,115

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 15/6

01:30-19:30

2 stops24h 00m

London Heathrow

Wed 16/7

22:00-00:20

1 stop20h 20m

฿27,609

Flights are sorted by cheapest return flights first.

Deals found on 11/5

Showing 1-10 of 41 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 9 May 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 70 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 12 May 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 30% 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 11 May 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 12 May 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).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 12 May 2025.
Peruse reviews from past customers who have flown with EVA Air, ไห่หนานแอร์ไลน์ and Emirates from Bangkok to London to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,192 reviews
Check prices

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
EVA Air
8.4
Very Good
1,192 reviews
EVA Air
8.4
Very Good
1,192 reviews
Check prices

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
ไห่หนานแอร์ไลน์
8.1
Very Good
39 reviews
EVA Air
8.4
Very Good
1,192 reviews
Check prices

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Emirates
8.0
Very Good
3,227 reviews
EVA Air
8.4
Very Good
1,192 reviews
Check prices

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Thai Airways
7.7
Good
330 reviews
EVA Air
8.4
Very Good
1,192 reviews
Check prices

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

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 ฿25,009. Other airlines that can offer you cheap pricing are China Eastern, from ฿25,075, and รอยัลบรูไนแอร์ไลน์, from ฿25,273. คูเวตแอร์เวย์ is currently priced 25% 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 Air China (฿11,057), China Southern (฿11,090), and China Eastern (฿11,156).

  • 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 (85%), Thai Airways (70%), EVA Air( 63%).

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

    On average you can expect to pay ฿60,839 for a flight from Bangkok to London Heathrow Airport. The cheapest flight overall is ฿12,957 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at ฿20,600.

  • 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
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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 12 May 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest฿18,413Average฿23,329FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest฿21,669Average฿23,665FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest฿22,185Average฿27,794FlexibilityNo cancel feeOn-time67%
Search Air China flights
เอทิฮัดแอร์เวย์Cheapest฿23,682Average฿32,168FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
FinnairCheapest฿23,972Average฿29,511FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Malaysia AirlinesCheapest฿24,215Average฿26,033FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Cathay PacificCheapest฿24,344Average฿29,142FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
เตอร์กิชแอร์ไลน์Cheapest฿24,374Average฿25,392FlexibilityNo cancel feeOn-time77%
Search เตอร์กิชแอร์ไลน์ flights
ลุฟท์ฮันซ่าCheapest฿24,530Average฿29,454FlexibilityNo cancel feeOn-time76%
Search ลุฟท์ฮันซ่า flights
คูเวตแอร์เวย์Cheapest฿25,877Average฿27,694FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights

Fly with Cheapflights

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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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