Cheap flights from Thailand to London Heathrow Airport from ฿7,695

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

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 30 October 2025.

Round-trip from

฿19,593

One-way from

฿7,695

Popular in

January

Cheapest in

November

Average price

฿29,421

Good round-trip deal

฿32,794 or less

Good one-way deal

฿16,281 or less
China Eastern
  • China Eastern
  • 13/11-27/11
  • 4 total stops
  • 67h 30m total
  • Thailand to London
5/12
  • 5/12
  • 2 total stops
  • 35h 05m total
  • Thailand to London
Highest demand for flights based on searches. 3% potential increase in price (฿40,316 potential increase over avg. return price).
Cheapest flight prices on average. 0% potential price decrease (฿7,501 potential savings vs. average return price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Thailand to London Heathrow.
Price to beat on a one-way flight from Thailand to London Heathrow.

Find flight deals from Thailand to Heathrow

Enter your travel dates to find the best prices.

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 30 October 2025.

Thu 13/1110:05CNX - LHR
2 stops38h 25mChina Eastern
Thu 27/1121:00LHR - CNX
2 stops29h 05mChina Eastern
Deal found 27/10฿19,593
Tue 4/1102:55BKK - LHR
1 stop34h 45mMultiple Airlines
Wed 12/1121:10LHR - BKK
1 stop31h 00mMultiple Airlines
Deal found 26/10฿21,759
Sun 9/1102:55BKK - LHR
1 stop16h 10mMultiple Airlines
Fri 14/1121:10LHR - BKK
1 stop31h 00mMultiple Airlines
Deal found 27/10฿21,791
Mon 24/1115:45BKK - LHR
1 stop33h 50mChina Southern
Mon 1/1221:30LHR - BKK
2 stops37h 45mChina Southern
Deal found 27/10฿21,888
Sat 15/1110:10BKK - LHR
1 stop16h 10mMultiple Airlines
Thu 12/306:40LHR - BKK
2 stops21h 55mMultiple Airlines
Deal found 27/10฿21,920
Tue 4/1117:25BKK - LHR
1 stop22h 30mMultiple Airlines
Tue 11/1120:30LHR - BKK
1 stop27h 00mMultiple Airlines
Deal found 26/10฿21,985
Thu 13/1112:45BKK - LHR
1 stop15h 55mMultiple Airlines
Wed 19/1108:45LHR - BKK
2 stops20h 20mMultiple Airlines
Deal found 27/10฿22,017
Sun 9/1102:55BKK - LHR
1 stop34h 45mMultiple Airlines
Mon 17/1121:00LHR - BKK
1 stop38h 05mMultiple Airlines
Deal found 27/10฿22,050
Sat 20/1209:25BKK - LHR
1 stop28h 15mMultiple Airlines
Sat 10/121:10LHR - BKK
1 stop22h 05mMultiple Airlines
Deal found 27/10฿22,082
Wed 26/1101:55BKK - LHR
1 stop22h 35mMultiple Airlines
Mon 1/1221:00LHR - BKK
2 stops30h 05mMultiple Airlines
Deal found 28/10฿22,147
Wed 29/1010:10BKK - LHR
1 stop16h 10mMultiple Airlines
Sun 2/1121:15LHR - BKK
1 stop37h 50mMultiple Airlines
Deal found 28/10฿22,179
Thu 27/1108:55BKK - LHR
1 stop16h 15mMultiple Airlines
Wed 31/1206:30LHR - BKK
3 stops31h 35mMultiple Airlines
Deal found 27/10฿22,211

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 30 October 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

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 7/12

15:20-07:30

1 stop23h 10m

London Heathrow

Mon 9/2

10:00-13:40

1 stop20h 40m

฿22,502

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 4/12

15:20-07:30

1 stop23h 10m

London Heathrow

Mon 16/3

10:00-13:40

1 stop20h 40m

฿23,020

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 4/12

15:20-07:30

1 stop23h 10m

London Heathrow

Wed 11/2

10:00-13:40

1 stop20h 40m

฿23,020

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 13/11

23:05-15:55

1 stop23h 50m

London Heathrow

Thu 27/11

20:25-21:50

1 stop18h 25m

฿23,246

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sun 16/11

23:05-17:50

1 stop25h 45m

London Heathrow

Sun 30/11

20:25-21:50

1 stop18h 25m

฿23,440

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Wed 26/11

18:25-15:55

1 stop28h 30m

London Heathrow

Wed 3/12

20:25-16:30

1 stop37h 05m

฿23,569

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 13/11

15:35-17:30

1 stop32h 55m

London Heathrow

Thu 27/11

21:00-09:05

2 stops29h 05m

฿24,216

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Wed 26/11

17:25-18:35

1 stop32h 10m

London Heathrow

Wed 3/12

21:30-16:25

2 stops59h 55m

฿24,281

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Wed 26/11

11:05-15:05

2 stops35h 00m

London Heathrow

Wed 3/12

08:45-08:05

1 stop16h 20m

฿24,669

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Fri 28/11

21:45-18:35

2 stops27h 50m

London Heathrow

Tue 2/12

22:00-22:50

1 stop17h 50m

฿25,121

Flights are sorted by cheapest return flights first.

Deals found on 28/10

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, March is the cheapest month in which you can book a flight from Thailand to London Heathrow Airport (average of ฿13,191). Flying from Thailand to London Heathrow Airport in January is currently the most expensive (average of ฿26,317). 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 30 October 2025.

One of the essential ways to save on airfare from Thailand to London Heathrow Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at midday could potentially save you up to 20% on airfare.

What is the cheapest day to fly from Thailand to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Thailand to Heathrow. Price data was last updated on 26 October 2025.

Travellers seeking maximum savings on their Thailand to London Heathrow Airport flight should consider departing on Wednesday at midday when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 30 October 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 30 October 2025.
Get a feel of what it's like to fly with EVA Air, Emirates, andThai Airways 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.

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

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.
  • How long is the flight from Thailand to London Heathrow Airport?

    There are many flights that can get you from Thailand to London Heathrow Airport in 23h 10m. Fly via ซาอุเดียแอร์ไลน์, Air China, or China Eastern to get the fastest option. The distance between Thailand and London Heathrow Airport is about 9571 km. This flight may include one or multiple stops.

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

    ฿8,794 is the cheapest one-way deal found within the past few days, from เอทิฮัดแอร์เวย์. You may also be able to find cheap deals on Vietnam Airlines and China Southern, with prices starting from ฿9,926 and ฿9,926, respectively.

  • What are the most popular routes 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 (86%), Thai Airways (76%) and EVA Air (72%).

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

    While on average a flight from Thailand to London Heathrow Airport is generally ฿57,398, our data shows the cheapest flight currently is ฿14,172. When looking at the most popular route, (Bangkok Suvarnabhumi - London Heathrow), you can expect to pay ฿19,237 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, March is the cheapest month in which you can book a flight from Thailand to London Heathrow Airport (average of ฿13,191). Flying from Thailand to London Heathrow Airport in January is currently the most expensive (average of ฿26,317). 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

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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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
ลุฟท์ฮันซ่าCheapest฿20,239Average฿29,266FlexibilityNo cancel feeOn-time76%
Search ลุฟท์ฮันซ่า flights
China SouthernCheapest฿21,529Average฿22,936FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest฿21,984Average฿23,787FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest฿22,451Average฿29,117FlexibilityNo cancel feeOn-time67%
Search Air China flights
Malaysia AirlinesCheapest฿23,152Average฿25,577FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
FinnairCheapest฿23,552Average฿28,343FlexibilityNo cancel feeOn-time76%
Search Finnair flights
เตอร์กิชแอร์ไลน์Cheapest฿24,303Average฿25,947FlexibilityNo cancel feeOn-time77%
Search เตอร์กิชแอร์ไลน์ flights
เอทิฮัดแอร์เวย์Cheapest฿25,207Average฿29,036FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
คูเวตแอร์เวย์Cheapest฿25,424Average฿26,644FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights
Cathay PacificCheapest฿25,596Average฿28,632FlexibilityNo 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.

Can Cheapflights find flights from Thailand to Heathrow with no change fees?

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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