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Cheap flights from Thailand to London Heathrow Airport from ฿7,904

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
22 Feb — 1 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 23 January 2026.

Thu 5/311:10
BKK
-
LHR
2 stops37h 25m
Multiple Airlines
Tue 10/321:00
LHR
-
BKK
1 stop18h 25m
Multiple Airlines
Deal found 19/1฿18,683
Thu 5/319:10
BKK
-
LHR
2 stops29h 25m
Multiple Airlines
Sun 8/321:00
LHR
-
BKK
1 stop24h 45m
Multiple Airlines
Deal found 20/1฿18,996
Tue 27/119:10
BKK
-
LHR
1 stop28h 10m
Multiple Airlines
Sat 31/121:00
LHR
-
BKK
1 stop24h 45m
Multiple Airlines
Deal found 20/1฿19,089
Thu 5/319:10
BKK
-
LHR
2 stops29h 25m
Multiple Airlines
Wed 11/320:50
LHR
-
BKK
3 stops34h 40m
Multiple Airlines
Deal found 20/1฿19,214
Thu 29/111:10
BKK
-
LHR
2 stops37h 25m
Multiple Airlines
Sun 22/217:00
LHR
-
BKK
1 stop23h 30m
Multiple Airlines
Deal found 20/1฿19,246
Thu 29/111:10
BKK
-
LHR
2 stops37h 25m
ไห่หนานแอร์ไลน์
Wed 4/219:45
LHR
-
BKK
1 stop31h 20m
ไห่หนานแอร์ไลน์
Deal found 20/1฿19,277
Thu 26/311:10
BKK
-
LHR
2 stops37h 25m
ไห่หนานแอร์ไลน์
Fri 10/422:00
LHR
-
BKK
2 stops38h 15m
ไห่หนานแอร์ไลน์
Deal found 19/1฿19,339
Fri 6/315:30
BKK
-
LHR
1 stop32h 40m
Multiple Airlines
Fri 13/321:00
LHR
-
BKK
2 stops30h 05m
Multiple Airlines
Deal found 20/1฿19,402
Thu 21/519:20
BKK
-
LHR
2 stops30h 10m
ไห่หนานแอร์ไลน์
Fri 5/622:00
LHR
-
BKK
2 stops30h 00m
ไห่หนานแอร์ไลน์
Deal found 21/1฿19,433
Sun 10/511:05
BKK
-
LHR
2 stops38h 25m
ไห่หนานแอร์ไลน์
Wed 13/522:00
LHR
-
BKK
1 stop30h 00m
ไห่หนานแอร์ไลน์
Deal found 21/1฿19,464
Sun 10/519:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Tue 19/521:20
LHR
-
BKK
1 stop17h 35m
Multiple Airlines
Deal found 20/1฿19,496
Sun 10/511:05
BKK
-
LHR
2 stops38h 25m
Multiple Airlines
Mon 18/521:20
LHR
-
BKK
1 stop17h 35m
Multiple Airlines
Deal found 20/1฿19,527

Find flight deals from Thailand to Heathrow

Keep the following information in mind while searching for Thailand to Heathrow flight deals. Data was last updated 23 January 2026.

Round-trip from

฿19,402

One-way from

฿7,904

Popular in

January

Cheapest in

November

Average price

฿32,305

Good round-trip deal

฿34,937 or less

Good one-way deal

฿16,960 or less
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 29/3-6/4
  • 4 total stops
  • 76h 40m total
  • Thailand to London
Search Deals
China Eastern
  • China Eastern
  • 4/2
  • 1 total stop
  • 32h 55m total
  • Thailand to London
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (฿6,651 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿9,439 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
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.
Search Deals

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 23 January 2026.
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

KrabiLondon

KBV - LHR

KBVLHR

Krabi

Thu 12/2

22:20-17:45

1 stop26h 25m

London Heathrow

Sun 22/2

21:30-10:00

1 stop29h 30m

฿21,589

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 9/3

07:50-17:30

2 stops40h 40m

London Heathrow

Mon 16/3

21:00-14:55

2 stops34h 55m

฿22,057

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Thu 12/2

11:05-17:45

1 stop37h 40m

London Heathrow

Sun 22/2

21:30-10:05

1 stop29h 35m

฿22,120

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 4/3

16:25-17:30

2 stops32h 05m

London Heathrow

Tue 10/3

21:00-22:20

1 stop18h 20m

฿22,151

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Sat 7/3

19:35-17:30

2 stops28h 55m

London Heathrow

Sat 14/3

21:00-22:45

1 stop18h 45m

฿22,214

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 18/5

19:10-19:10

1 stop30h 00m

London Heathrow

Tue 30/6

20:50-17:45

1 stop14h 55m

฿22,307

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 1/3

19:10-17:55

2 stops29h 45m

London Heathrow

Sun 15/3

21:00-22:25

1 stop18h 25m

฿22,370

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Sat 7/3

18:25-17:50

1 stop30h 25m

London Heathrow

Sat 14/3

21:00-22:45

1 stop18h 45m

฿22,651

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 1/3

19:10-17:55

2 stops29h 45m

London Heathrow

Sat 7/3

17:40-00:10

1 stop23h 30m

฿22,745

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Sat 7/3

00:05-17:30

2 stops24h 25m

London Heathrow

Sun 15/3

21:00-18:35

2 stops38h 35m

฿23,026

Flights are sorted by cheapest return flights first.

Deals found on 21/1

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 ฿12,747). Flying from Thailand to London Heathrow Airport in June is currently the most expensive (average of ฿23,588). 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 23 January 2026.

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 23 January 2026.

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).

How often are flights from Thailand to London delayed?

About 13% of weekly flights between Thailand and London have experienced delays in the past year, with the average delay time being 89 minutes.

What is the most punctual flight time for Thailand to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Thailand to London flights?

Over the past year, EVA Air have had the lowest number of delays on this route, with just 9% of flights being delayed.

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 23 January 2026.
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
1,328 reviews
Check prices

Crew

8.6

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
EVA Air
8.4
Very Good
1,328 reviews
EVA Air
8.4
Very Good
1,328 reviews
Check prices

Crew

8.6

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Emirates
8.1
Very Good
3,486 reviews
EVA Air
8.4
Very Good
1,328 reviews
Check prices

Crew

8.6

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Thai Airways
7.8
Good
379 reviews
EVA Air
8.4
Very Good
1,328 reviews
Check prices

Crew

8.6

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
เอทิฮัดแอร์เวย์
7.3
Good
1,374 reviews
EVA Air
8.4
Very Good
1,328 reviews
Check prices

Crew

8.6

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
บริติชแอร์เวย์
6.7
Okay
7,690 reviews
EVA Air
8.4
Very Good
1,328 reviews
Check prices

Crew

8.6

Food

8.1

Entertainment

8.0

Boarding

8.4

Overall

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

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 26h 25m. Fly via IndiGo, China Eastern, or โอมานแอร์ to get the fastest option. The distance between Thailand and London Heathrow Airport is about 9943 km. This flight may include one or multiple stops.

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

    ฿6,068 is the cheapest one-way deal found within the past few days, from สแกนดอเนเวียนแอร์ไลน์. You may also be able to find cheap deals on เอทิฮัดแอร์เวย์ and โอมานแอร์, with prices starting from ฿6,452 and ฿6,809, 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 แอร์แคนาดา (95%), Thai Airways (87%) and EVA Air (83%).

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

    While on average a flight from Thailand to London Heathrow Airport is generally ฿53,159, our data shows the cheapest flight currently is ฿16,767. When looking at the most popular route, (Bangkok Suvarnabhumi - London Heathrow), you can expect to pay ฿18,996 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 ฿12,747). Flying from Thailand to London Heathrow Airport in June is currently the most expensive (average of ฿23,588). 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 23 January 2026.
AirlineCheapestAverageFlexibilityOn-time
โอมานแอร์Cheapest฿10,211Average฿26,490FlexibilityNo cancel feeOn-time76%
Search โอมานแอร์ flights
คูเวตแอร์เวย์Cheapest฿10,506Average฿25,414FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights
เอทิฮัดแอร์เวย์Cheapest฿12,580Average฿28,524FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์Cheapest฿14,036Average฿27,238FlexibilityNo cancel feeOn-time79%
Search สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ flights
Air IndiaCheapest฿14,753Average฿30,771FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
ลุฟท์ฮันซ่าCheapest฿19,557Average฿30,175FlexibilityNo cancel feeOn-time76%
Search ลุฟท์ฮันซ่า flights
FinnairCheapest฿20,210Average฿26,379FlexibilityNo cancel feeOn-time76%
Search Finnair flights
China SouthernCheapest฿20,304Average฿23,433FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest฿21,779Average฿25,285FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
เตอร์กิชแอร์ไลน์Cheapest฿23,485Average฿24,915FlexibilityNo cancel feeOn-time77%
Search เตอร์กิชแอร์ไลน์ flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

Can Cheapflights notify me if prices for flights from Thailand to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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