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Thailand (ภาษาไทย)
ภาษาไทย

Cheap flights from Thailand to London Heathrow Airport from ฿8,212

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
13 Oct — 20 Oct1
1 adult
1 adult, Economy

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 September 2025.

Round-trip from

฿21,908

One-way from

฿8,212

Popular in

January

Cheapest in

October

Average price

฿28,598

Good round-trip deal

฿34,011 or less

Good one-way deal

฿16,794 or less
26/10-2/11
  • 26/10-2/11
  • 3 total stops
  • 53h 10m total
  • Thailand to London
Search Deals
30/10
  • 30/10
  • 2 total stops
  • 43h 50m total
  • Thailand to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿50,571 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿9,669 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Thailand to London Heathrow.
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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 September 2025.

Sun 26/1010:25HKT - LHR
1 stop26h 30mMultiple Airlines
Sun 2/1121:05LHR - HKT
2 stops26h 40mMultiple Airlines
Deal found 11/9฿21,908
Wed 15/1002:10BKK - LHR
1 stop22h 30mMultiple Airlines
Mon 3/1117:40LHR - BKK
1 stop23h 30mMultiple Airlines
Deal found 11/9฿22,257
Sun 26/1001:55BKK - LHR
1 stop22h 35mMultiple Airlines
Wed 5/1120:25LHR - BKK
1 stop20h 45mMultiple Airlines
Deal found 11/9฿22,321
Thu 18/1218:05BKK - LHR
1 stop31h 30mChina Southern
Wed 28/122:00LHR - BKK
1 stop29h 10mChina Southern
Deal found 12/9฿22,384
Tue 23/1208:20BKK - LHR
1 stop17h 15mChina Southern
Wed 14/122:00LHR - BKK
1 stop20h 05mChina Southern
Deal found 12/9฿22,416
Thu 23/1019:10BKK - LHR
1 stop29h 30mMultiple Airlines
Thu 6/1121:35LHR - BKK
1 stop31h 55mMultiple Airlines
Deal found 11/9฿22,447
Thu 2/1020:50HKT - LHR
1 stop28h 20mMultiple Airlines
Sun 12/1020:55LHR - HKT
1 stop20h 40mMultiple Airlines
Deal found 12/9฿22,447
Mon 22/1219:55BKK - LHR
1 stop29h 40mMultiple Airlines
Thu 15/121:35LHR - BKK
1 stop36h 05mMultiple Airlines
Deal found 12/9฿22,479
Wed 12/1102:10BKK - LHR
1 stop23h 25mMultiple Airlines
Thu 20/1120:25LHR - BKK
1 stop20h 45mMultiple Airlines
Deal found 11/9฿22,574
Tue 16/1217:25BKK - LHR
1 stop22h 30mMultiple Airlines
Sun 4/120:30LHR - BKK
1 stop16h 05mMultiple Airlines
Deal found 11/9฿22,638
Sun 26/1019:55BKK - LHR
1 stop28h 35mMultiple Airlines
Tue 28/1017:40LHR - BKK
1 stop23h 30mMultiple Airlines
Deal found 12/9฿22,701
Tue 11/1115:45BKK - LHR
1 stop33h 50mMultiple Airlines
Sat 15/1121:35LHR - BKK
1 stop31h 55mMultiple Airlines
Deal found 12/9฿22,733

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 September 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

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 5/3

08:50-18:10

1 stop16h 20m

London Heathrow

Sat 7/3

13:55-06:05

1 stop33h 10m

฿23,398

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 30/10

01:35-17:35

2 stops23h 00m

London Heathrow

Fri 7/11

21:00-18:05

2 stops38h 05m

฿23,779

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 11/3

02:10-18:35

1 stop23h 25m

London Heathrow

Sat 14/3

21:35-12:30

1 stop31h 55m

฿23,842

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sat 13/12

06:45-05:55

2 stops30h 10m

London Heathrow

Wed 7/1

22:00-02:30

1 stop21h 30m

฿24,318

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 12/10

15:55-19:00

1 stop33h 05m

London Heathrow

Sun 19/10

19:15-16:25

2 stops39h 10m

฿24,540

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 3/3

14:50-15:25

1 stop31h 35m

London Heathrow

Fri 13/3

10:25-13:50

1 stop20h 25m

฿24,540

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Sun 28/9

20:50-19:10

1 stop28h 20m

London Heathrow

Thu 2/10

20:35-19:10

1 stop16h 35m

฿24,730

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Thu 12/3

10:30-15:25

1 stop35h 55m

London Heathrow

Mon 16/3

10:25-17:35

1 stop24h 10m

฿25,111

KrabiLondon

KBV - LHR

KBVLHR

Krabi

Sun 26/10

20:40-06:40

1 stop17h 00m

London Heathrow

Sun 2/11

20:55-18:05

1 stop14h 10m

฿25,174

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 25/10

14:40-16:25

1 stop31h 45m

London Heathrow

Sat 15/11

10:25-11:25

1 stop18h 00m

฿25,364

Flights are sorted by cheapest return flights first.

Deals found on 11/9

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 ฿1,014). 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 September 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 September 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 13 September 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.
EVA Air
8.4
Very Good
1,236 reviews
Check prices

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very Good
1,236 reviews
EVA Air
8.4
Very Good
1,236 reviews
Check prices

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Emirates
8.1
Very Good
3,334 reviews
EVA Air
8.4
Very Good
1,236 reviews
Check prices

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Thai Airways
7.8
Good
350 reviews
EVA Air
8.4
Very Good
1,236 reviews
Check prices

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
เอทิฮัดแอร์เวย์
7.4
Good
1,250 reviews
EVA Air
8.4
Very Good
1,236 reviews
Check prices

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
บริติชแอร์เวย์
6.7
Okay
7,361 reviews
EVA Air
8.4
Very Good
1,236 reviews
Check prices

Overall

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Entertainment

8.0

Boarding

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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 16h 20m. Fly via เอทิฮัดแอร์เวย์, ไห่หนานแอร์ไลน์, or China Southern to get the fastest option. The distance between Thailand and London Heathrow Airport is about 9009 km. This flight may include one or multiple stops.

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

    ฿8,814 is the cheapest one-way deal found within the past few days, from เอทิฮัดแอร์เวย์. You may also be able to find cheap deals on China Southern and Air China, with prices starting from ฿9,099 and ฿10,304, 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 (91%), Thai Airways (90%) and แอร์แคนาดา (86%).

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

    While on average a flight from Thailand to London Heathrow Airport is generally ฿57,320, our data shows the cheapest flight currently is ฿16,145. When looking at the most popular route, (Bangkok Suvarnabhumi - London Heathrow), you can expect to pay ฿22,162 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 ฿1,014). 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 13 September 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest฿20,707Average฿22,492FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest฿21,446Average฿23,458FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest฿22,016Average฿28,473FlexibilityNo cancel feeOn-time67%
Search Air China flights
FinnairCheapest฿23,096Average฿28,451FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Malaysia AirlinesCheapest฿23,331Average฿25,082FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
ลุฟท์ฮันซ่าCheapest฿23,634Average฿27,504FlexibilityNo cancel feeOn-time76%
Search ลุฟท์ฮันซ่า flights
เตอร์กิชแอร์ไลน์Cheapest฿23,833Average฿25,445FlexibilityNo cancel feeOn-time77%
Search เตอร์กิชแอร์ไลน์ flights
เอทิฮัดแอร์เวย์Cheapest฿24,719Average฿28,973FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
คูเวตแอร์เวย์Cheapest฿24,932Average฿26,213FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights
Cathay PacificCheapest฿25,101Average฿28,078FlexibilityNo 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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