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Cheap flights from Thailand to London Heathrow Airport from ฿7,456

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
13 Jul — 20 Jul1
1 adult

Cheap flight deals from Thailand to Heathrow

Keep the following information in mind while searching for Thailand to Heathrow flight deals. Data was last updated 8 July 2025.

Round-trip from

฿22,792

One-way from

฿7,456

Popular in

January

Cheapest in

October

Average price

฿30,736

Good round-trip deal

฿33,179 or less

Good one-way deal

฿13,256 or less
China Southern
  • China Southern
  • 6/8-11/8
  • 2 total stops
  • 61h 00m total
  • Thailand to London
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โอมานแอร์
  • โอมานแอร์
  • 26/7
  • 1 total stop
  • 28h 50m total
  • Thailand to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿63,761 potential increase over avg. return price).
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Cheapest flight prices on average. 0% potential price decrease (฿9,855 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Thailand to London Heathrow.
Search Deals
Price to beat on a one-way flight from Thailand to London Heathrow.
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Find flight deals from Thailand to Heathrow

Cheapest flights from Thailand to Heathrow
Explore the most affordable flight options available from Thailand to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Sun 3/823:30HKT - LHR
1 stop25h 30mChina Southern
Mon 18/822:10LHR - HKT
1 stop35h 30mChina Southern
Deal found 5/7฿22,792
Mon 14/720:50HKT - LHR
1 stop28h 20mMultiple Airlines
Thu 28/820:55LHR - HKT
1 stop15h 30mMultiple Airlines
Deal found 7/7฿23,508
Fri 1/808:40BKK - LHR
1 stop16h 20mMultiple Airlines
Wed 1/1022:00LHR - BKK
1 stop20h 20mMultiple Airlines
Deal found 7/7฿25,006
Tue 4/1119:55BKK - LHR
1 stop29h 20mChina Southern
Fri 21/1121:30LHR - BKK
2 stops44h 35mChina Southern
Deal found 6/7฿25,201
Sun 3/819:20BKK - LHR
2 stops30h 10mไห่หนานแอร์ไลน์
Fri 29/822:00LHR - BKK
2 stops30h 00mไห่หนานแอร์ไลน์
Deal found 6/7฿25,299
Wed 23/705:05BKK - LHR
1 stop19h 35mChina Eastern
Wed 13/821:20LHR - BKK
1 stop17h 35mChina Eastern
Deal found 7/7฿25,429
Mon 3/1101:30BKK - LHR
1 stop23h 20mAir China
Fri 21/1120:25LHR - BKK
1 stop20h 45mAir China
Deal found 7/7฿25,689
Thu 6/1103:10BKK - LHR
1 stop18h 35mคูเวตแอร์เวย์
Fri 21/1111:45LHR - BKK
1 stop15h 20mคูเวตแอร์เวย์
Deal found 6/7฿25,917
Fri 18/709:05BKK - LHR
1 stop27h 55mเอทิฮัดแอร์เวย์
Wed 8/1021:45LHR - BKK
1 stop27h 35mเอทิฮัดแอร์เวย์
Deal found 7/7฿25,982
Wed 20/820:45KBV - LHR
2 stops28h 15mMultiple Airlines
Wed 27/806:30LHR - KBV
2 stops21h 40mMultiple Airlines
Deal found 6/7฿26,145
Mon 21/719:40BKK - LHR
1 stop17h 15mกัลฟ์แอร์
Thu 21/810:00LHR - BKK
1 stop17h 55mกัลฟ์แอร์
Deal found 6/7฿26,243
Tue 30/900:55HKT - LHR
1 stop20h 20mเอทิฮัดแอร์เวย์
Wed 8/1009:30LHR - HKT
1 stop16h 10mเอทิฮัดแอร์เวย์
Deal found 7/7฿26,568

Cheapflights Fare Finder

Customise your flight search to find flights from Thailand 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 8 July 2025.
Use the filters below to find and compare flights from Thailand to London Heathrow Airport that are best for you.

Fly from

Thailand

Fly to

Heathrow

Route

Depart

Return

Price

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Wed 6/8

23:30-19:00

1 stop25h 30m

London Heathrow

Mon 11/8

22:10-15:40

1 stop35h 30m

฿22,792

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Wed 1/10

18:05-16:35

1 stop28h 30m

London Heathrow

Wed 8/10

21:35-09:45

1 stop30h 10m

฿23,443

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Fri 25/7

09:10-19:10

1 stop16h 00m

London Heathrow

Fri 5/9

20:35-19:05

1 stop16h 30m

฿24,485

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 1/8

08:40-19:00

1 stop16h 20m

London Heathrow

Wed 1/10

22:00-00:20

1 stop20h 20m

฿25,006

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 4/11

19:55-18:15

1 stop29h 20m

London Heathrow

Fri 21/11

21:30-01:05

2 stops44h 35m

฿25,201

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 3/8

19:20-19:30

2 stops30h 10m

London Heathrow

Fri 29/8

22:00-10:00

2 stops30h 00m

฿25,299

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 23/7

05:05-18:40

1 stop19h 35m

London Heathrow

Wed 13/8

21:20-20:55

1 stop17h 35m

฿25,429

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 3/11

01:30-17:50

1 stop23h 20m

London Heathrow

Fri 21/11

20:25-00:10

1 stop20h 45m

฿25,689

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 6/11

03:10-14:45

1 stop18h 35m

London Heathrow

Fri 21/11

11:45-10:05

1 stop15h 20m

฿25,917

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 18/7

09:05-07:00

1 stop27h 55m

London Heathrow

Wed 8/10

21:45-07:20

1 stop27h 35m

฿25,982

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 60 results
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Best time to book a flight from Thailand to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Thailand 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 Thailand to London Heathrow Airport

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

Currently, December is the cheapest month in which you can book a flight from Thailand to London Heathrow Airport (average of ฿810). Flying from Thailand 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 TH to LHR?

Find hourly flight availability from Thailand 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 8 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Thailand to London Heathrow Airport as you normally would.

Weekly flight availability from Thailand to London Heathrow Airport

Explore weekly flight availability from Thailand 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 8 July 2025.

The most flights from TH0 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 8 July 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air, andChina Airlines from Thailand 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
1,210 reviews
Check prices

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,210 reviews
EVA Air
8.4
Very Good
1,210 reviews
Check prices

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very Good
1,103 reviews
EVA Air
8.4
Very Good
1,210 reviews
Check prices

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very Good
744 reviews
EVA Air
8.4
Very Good
1,210 reviews
Check prices

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
EVA Air
8.4
Very Good
1,210 reviews
Check prices

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Thailand 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 to fly from Thailand to London Heathrow Airport one-way?

    ฿7,456 is the cheapest one-way deal found within the past few days, from โอมานแอร์. You may also be able to find cheap deals on China Southern and เอทิฮัดแอร์เวย์, with prices starting from ฿10,517 and ฿10,745, respectively.

  • What are the most popular routes from Thailand to London Heathrow Airport?

    While some choose either Bangkok Don Mueang Intl - London Heathrow or Chiang Mai - London Heathrow, Bangkok Suvarnabhumi - London Heathrow is the most popular route from Thailand to London Heathrow Airport.

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

    The top 3 most reliable airlines when flying from Thailand to London Heathrow Airport are EVA Air (58%), Thai Airways (58%) and แอร์แคนาดา (58%).

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

    While on average a flight from Thailand to London Heathrow Airport is generally ฿59,899, our data shows the cheapest flight currently is ฿13,204. When looking at the most popular route, (Bangkok Suvarnabhumi - London Heathrow), you can expect to pay ฿23,638 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Thailand 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 Thailand to London Heathrow Airport?

    Currently, December is the cheapest month in which you can book a flight from Thailand to London Heathrow Airport (average of ฿810). Flying from Thailand 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 Thailand?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Thailand to Heathrow

Discover the top 10 airlines that operate flights from Thailand 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 8 July 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest฿19,621Average฿23,098FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest฿21,622Average฿23,576FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest฿22,541Average฿29,078FlexibilityNo cancel feeOn-time67%
Search Air China flights
เอทิฮัดแอร์เวย์Cheapest฿23,395Average฿29,411FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
FinnairCheapest฿23,718Average฿29,667FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Malaysia AirlinesCheapest฿23,959Average฿26,946FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
ลุฟท์ฮันซ่าCheapest฿24,270Average฿28,716FlexibilityNo cancel feeOn-time76%
Search ลุฟท์ฮันซ่า flights
เตอร์กิชแอร์ไลน์Cheapest฿24,475Average฿26,131FlexibilityNo cancel feeOn-time77%
Search เตอร์กิชแอร์ไลน์ flights
คูเวตแอร์เวย์Cheapest฿25,604Average฿26,919FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights
Cathay PacificCheapest฿25,777Average฿28,834FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Thailand to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Thailand to Heathrow.

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Thailand to Heathrow flexibly with Cheapflights today.

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