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Thailand (ภาษาไทย)
ภาษาไทย

Cheap flights from Thailand to London Heathrow Airport from ฿6,065

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
21 Dec — 28 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 21 November 2025.

Round-trip from

฿20,044

One-way from

฿6,065

Popular in

January

Cheapest in

November

Average price

฿27,827

Good round-trip deal

฿32,996 or less

Good one-way deal

฿15,674 or less
China Eastern
  • China Eastern
  • 5/12-13/1
  • 4 total stops
  • 61h 10m total
  • Thailand to London
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เอทิฮัดแอร์เวย์
  • เอทิฮัดแอร์เวย์
  • 13/12
  • 1 total stop
  • 16h 20m total
  • Thailand to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (฿32,486 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (฿8,995 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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.
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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 21 November 2025.

Fri 5/1216:25CNX - LHR
2 stops32h 05mChina Eastern
Tue 13/121:00LHR - CNX
2 stops29h 05mChina Eastern
Deal found 20/11฿20,044
Sat 13/1208:50CNX - LHR
1 stop16h 20mเอทิฮัดแอร์เวย์
Thu 19/220:55LHR - CNX
1 stop26h 10mเอทิฮัดแอร์เวย์
Deal found 20/11฿21,179
Fri 5/1216:25CNX - LHR
2 stops32h 05mChina Eastern
Mon 12/121:00LHR - CNX
1 stop34h 20mChina Eastern
Deal found 20/11฿21,600
Thu 4/1208:55BKK - LHR
1 stop16h 15mMultiple Airlines
Sun 18/121:00LHR - BKK
1 stop18h 25mMultiple Airlines
Deal found 19/11฿21,762
Thu 4/1212:45BKK - LHR
2 stops36h 50mChina Southern
Thu 29/122:00LHR - BKK
1 stop33h 30mChina Southern
Deal found 20/11฿21,795
Sun 21/1202:55BKK - LHR
1 stop16h 10mMultiple Airlines
Sat 21/221:10LHR - BKK
1 stop22h 05mMultiple Airlines
Deal found 19/11฿21,827
Thu 20/1111:10BKK - LHR
2 stops37h 25mไห่หนานแอร์ไลน์
Sun 23/1121:15LHR - BKK
1 stop29h 50mไห่หนานแอร์ไลน์
Deal found 19/11฿21,860
Thu 20/1109:25BKK - LHR
1 stop39h 05mMultiple Airlines
Sun 23/1121:15LHR - BKK
1 stop29h 50mMultiple Airlines
Deal found 19/11฿21,892
Thu 4/1208:55BKK - LHR
1 stop16h 15mMultiple Airlines
Wed 28/119:45LHR - BKK
1 stop31h 20mMultiple Airlines
Deal found 20/11฿21,925
Tue 25/1123:05CNX - LHR
1 stop25h 45mMultiple Airlines
Tue 2/1221:00LHR - CNX
2 stops29h 05mMultiple Airlines
Deal found 20/11฿21,925
Sun 23/1119:10BKK - LHR
2 stops29h 45mMultiple Airlines
Tue 25/1121:00LHR - BKK
1 stop18h 25mMultiple Airlines
Deal found 19/11฿21,957
Tue 25/1108:20BKK - LHR
2 stops36h 40mChina Southern
Tue 2/1222:00LHR - BKK
1 stop29h 10mChina Southern
Deal found 20/11฿22,022

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 21 November 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

Wed 26/11

01:55-17:30

1 stop22h 35m

London Heathrow

Mon 1/12

21:00-01:55

1 stop21h 55m

฿24,033

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 25/11

05:05-17:30

1 stop19h 25m

London Heathrow

Sat 29/11

21:00-22:25

1 stop18h 25m

฿24,065

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 26/11

05:05-17:30

1 stop19h 25m

London Heathrow

Sun 30/11

21:00-12:20

1 stop32h 20m

฿24,098

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Mon 1/12

20:50-17:30

2 stops27h 40m

London Heathrow

Thu 4/12

21:35-12:50

1 stop32h 15m

฿24,487

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 6/12

08:55-06:40

1 stop28h 45m

London Heathrow

Fri 30/1

13:55-23:20

1 stop26h 25m

฿24,681

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 6/12

08:50-06:40

1 stop28h 50m

London Heathrow

Wed 14/1

20:25-21:50

1 stop18h 25m

฿25,168

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 6/12

08:50-06:40

1 stop28h 50m

London Heathrow

Tue 13/1

20:25-21:50

1 stop18h 25m

฿25,168

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Tue 23/12

22:50-16:20

2 stops24h 30m

London Heathrow

Sun 4/1

21:10-01:50

1 stop21h 40m

฿25,590

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 19/1

02:55-14:30

1 stop18h 35m

London Heathrow

Tue 27/1

19:20-23:20

1 stop21h 00m

฿25,654

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Sat 20/12

22:20-06:40

2 stops39h 20m

London Heathrow

Mon 5/1

21:00-22:45

1 stop18h 45m

฿26,076

Flights are sorted by cheapest return flights first.

Deals found on 20/11

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 ฿13,233). Flying from Thailand to London Heathrow Airport in January is currently the most expensive (average of ฿26,563). 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 21 November 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 2 November 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 21 November 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).

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 15% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 89 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] 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.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Over the past year, EVA Air have had the lowest number of delays on this route, with just 10% 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 21 November 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
1,281 reviews
Check prices

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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.
EVA Air
8.4
Very Good
1,281 reviews
EVA Air
8.4
Very Good
1,281 reviews
Check prices

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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.
Emirates
8.1
Very Good
3,423 reviews
EVA Air
8.4
Very Good
1,281 reviews
Check prices

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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.
Thai Airways
7.8
Good
362 reviews
EVA Air
8.4
Very Good
1,281 reviews
Check prices

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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.
เอทิฮัดแอร์เวย์
7.4
Good
1,309 reviews
EVA Air
8.4
Very Good
1,281 reviews
Check prices

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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.
บริติชแอร์เวย์
6.7
Okay
7,534 reviews
EVA Air
8.4
Very Good
1,281 reviews
Check prices

Comfort

8.3

Food

8.1

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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 22h 35m. Fly via China Eastern, เอทิฮัดแอร์เวย์, or Cathay Pacific 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?

    ฿6,065 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 Eastern and Air China, with prices starting from ฿8,173 and ฿10,541, 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 (92%), Thai Airways (81%) and EVA Air (76%).

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

    While on average a flight from Thailand to London Heathrow Airport is generally ฿52,385, our data shows the cheapest flight currently is ฿14,216. When looking at the most popular route, (Bangkok Suvarnabhumi - London Heathrow), you can expect to pay ฿17,352 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 ฿13,233). Flying from Thailand to London Heathrow Airport in January is currently the most expensive (average of ฿26,563). 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

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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 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest฿19,824Average฿24,630FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
ลุฟท์ฮันซ่าCheapest฿20,302Average฿29,359FlexibilityNo cancel feeOn-time76%
Search ลุฟท์ฮันซ่า flights
China SouthernCheapest฿21,596Average฿23,009FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest฿22,521Average฿29,223FlexibilityNo cancel feeOn-time67%
Search Air China flights
Malaysia AirlinesCheapest฿23,225Average฿25,658FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
FinnairCheapest฿23,626Average฿28,362FlexibilityNo cancel feeOn-time76%
Search Finnair flights
คูเวตแอร์เวย์Cheapest฿23,677Average฿26,382FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights
เตอร์กิชแอร์ไลน์Cheapest฿24,380Average฿26,029FlexibilityNo cancel feeOn-time77%
Search เตอร์กิชแอร์ไลน์ flights
เอทิฮัดแอร์เวย์Cheapest฿25,287Average฿29,087FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
Cathay PacificCheapest฿25,677Average฿27,883FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific 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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