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Cheap flights from Thailand to London Heathrow Airport from ฿7,453

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 23/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

฿22,327

One-way from

฿7,453

Popular in

January

Cheapest in

October

Average price

฿29,878

Good round-trip deal

฿32,868 or less

Good one-way deal

฿13,068 or less
22/7-10/9
  • 22/7-10/9
  • 3 total stops
  • 48h 15m total
  • Thailand to London
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โอมานแอร์
  • โอมานแอร์
  • 23/11
  • 1 total stop
  • 29h 35m total
  • Thailand to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (฿63,952 potential increase over avg. return price).
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Cheapest flight prices on average. 0% potential price decrease (฿9,835 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 13 June 2025.

Tue 22/720:20HKT - LHR
1 stop28h 50mMultiple Airlines
Wed 10/908:40LHR - HKT
2 stops19h 25mMultiple Airlines
Deal found 12/6฿22,327
Sat 15/1116:55HKT - LHR
1 stop29h 30mMalaysia Airlines
Sun 16/1121:25LHR - HKT
1 stop29h 25mMalaysia Airlines
Deal found 12/6฿23,397
Sun 15/602:55BKK - LHR
1 stop15h 50mMultiple Airlines
Fri 20/622:00LHR - BKK
2 stops30h 00mMultiple Airlines
Deal found 11/6฿24,304
Mon 23/601:50BKK - LHR
1 stop24h 40mซาอุเดียแอร์ไลน์
Tue 2/1210:00LHR - BKK
2 stops30h 35mซาอุเดียแอร์ไลน์
Deal found 11/6฿24,531
Mon 7/702:10BKK - LHR
1 stop22h 30mChina Eastern
Thu 10/721:20LHR - BKK
1 stop36h 30mChina Eastern
Deal found 12/6฿24,887
Wed 18/608:20BKK - LHR
1 stop16h 40mChina Southern
Fri 27/621:00LHR - BKK
2 stops31h 20mChina Southern
Deal found 12/6฿24,952
Sun 15/619:20BKK - LHR
2 stops30h 10mไห่หนานแอร์ไลน์
Mon 23/622:00LHR - BKK
2 stops30h 00mไห่หนานแอร์ไลน์
Deal found 11/6฿25,244
Mon 16/606:45BKK - LHR
1 stop16h 15mเตอร์กิชแอร์ไลน์
Fri 20/606:30LHR - BKK
1 stop16h 45mเตอร์กิชแอร์ไลน์
Deal found 12/6฿25,374
Fri 20/602:55BKK - LHR
1 stop18h 20mเอทิฮัดแอร์เวย์
Sat 28/621:45LHR - BKK
1 stop27h 25mเอทิฮัดแอร์เวย์
Deal found 12/6฿25,438
Fri 26/1212:25CNX - LHR
1 stop24h 10mMalaysia Airlines
Thu 15/110:25LHR - CNX
1 stop18h 00mMalaysia Airlines
Deal found 11/6฿25,568
Sun 15/619:35BKK - LHR
1 stop30h 55mAir China
Tue 1/722:40LHR - BKK
1 stop19h 30mAir China
Deal found 13/6฿25,665
Thu 11/903:25BKK - LHR
1 stop17h 20mคูเวตแอร์เวย์
Fri 26/911:45LHR - BKK
1 stop16h 35mคูเวตแอร์เวย์
Deal found 13/6฿25,795

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 13 June 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

Tue 22/7

20:20-19:10

1 stop28h 50m

London Heathrow

Wed 10/9

08:40-10:05

2 stops19h 25m

฿22,327

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Sat 15/11

16:55-15:25

1 stop29h 30m

London Heathrow

Sun 16/11

21:25-09:50

1 stop29h 25m

฿23,397

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 23/6

01:50-20:30

1 stop24h 40m

London Heathrow

Tue 2/12

10:00-23:35

2 stops30h 35m

฿24,531

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 28/6

19:30-20:00

1 stop30h 30m

London Heathrow

Sat 5/7

22:05-02:15

1 stop22h 10m

฿24,628

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 30/7

15:20-19:10

2 stops33h 50m

London Heathrow

Wed 15/10

22:00-00:20

1 stop20h 20m

฿24,661

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 7/7

02:10-18:40

1 stop22h 30m

London Heathrow

Thu 10/7

21:20-15:50

1 stop36h 30m

฿24,887

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 18/10

13:30-06:25

2 stops22h 55m

London Heathrow

Wed 5/11

17:00-12:40

2 stops36h 40m

฿25,082

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 9/10

01:30-19:30

2 stops24h 00m

London Heathrow

Wed 22/10

22:00-18:15

1 stop38h 15m

฿25,374

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 10/7

02:55-18:45

1 stop21h 50m

London Heathrow

Wed 27/8

09:30-07:20

1 stop15h 50m

฿25,438

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 11/9

03:25-14:45

1 stop17h 20m

London Heathrow

Fri 26/9

11:45-10:20

1 stop16h 35m

฿25,795

Flights are sorted by cheapest return flights first.

Deals found on 13/6

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 13 June 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 13 June 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).

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 13 June 2025.
Get a feel of what it's like to fly with EVA Air, China Airlines and Asiana Airlines from Thailand to London 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
1,204 reviews
Check prices

Food

8.1

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

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
1,204 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Food

8.1

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

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
738 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Food

8.1

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

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
Asiana Airlines
8.2
Very Good
440 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Food

8.1

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

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
8.1
Very Good
39 reviews
EVA Air
8.4
Very Good
1,204 reviews
Check prices

Food

8.1

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

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?

    ฿7,453 is the cheapest one-way deal found within the past few days, from โอมานแอร์. You may also be able to find cheap deals on Malaysia Airlines and China Southern, with prices starting from ฿10,305 and ฿10,402, respectively.

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

    While some choose either Chiang Mai - London Heathrow or Bangkok Don Mueang Intl - 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 แอร์แคนาดา (67%), Thai Airways (51%) and EVA Air (43%).

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

    While on average a flight from Thailand to London Heathrow Airport is generally ฿56,320, our data shows the cheapest flight currently is ฿12,958. When looking at the most popular route, (Bangkok Suvarnabhumi - London Heathrow), you can expect to pay ฿22,101 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

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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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest฿18,132Average฿22,981FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest฿21,523Average฿23,381FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest฿21,847Average฿27,285FlexibilityNo cancel feeOn-time67%
Search Air China flights
เอทิฮัดแอร์เวย์Cheapest฿23,284Average฿29,413FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
FinnairCheapest฿23,606Average฿29,326FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Malaysia AirlinesCheapest฿23,846Average฿25,636FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
ลุฟท์ฮันซ่าCheapest฿24,156Average฿28,112FlexibilityNo cancel feeOn-time76%
Search ลุฟท์ฮันซ่า flights
เตอร์กิชแอร์ไลน์Cheapest฿24,359Average฿26,007FlexibilityNo cancel feeOn-time77%
Search เตอร์กิชแอร์ไลน์ flights
คูเวตแอร์เวย์Cheapest฿25,483Average฿27,272FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights
ออสเตรียนแอร์ไลน์Cheapest฿25,582Average฿28,522FlexibilityNo cancel feeOn-time78%
Search ออสเตรียนแอร์ไลน์ 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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