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Thailand (ภาษาไทย)
ภาษาไทย

Cheap flights from Thailand to London Heathrow Airport from ฿7,227

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 23/12. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
10 Jan — 17 Jan1
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 11 December 2025.

Sat 27/1216:25CNX - LHR
2 stops32h 05mChina Eastern
Sun 11/121:00LHR - CNX
2 stops29h 05mChina Eastern
Deal found 10/12฿19,272
Sat 27/1208:50CNX - LHR
1 stop36h 40mMultiple Airlines
Sun 11/121:00LHR - CNX
1 stop34h 20mMultiple Airlines
Deal found 10/12฿20,127
Wed 24/1209:05BKK - LHR
1 stop19h 35mMultiple Airlines
Mon 8/622:40LHR - BKK
1 stop19h 30mMultiple Airlines
Deal found 11/12฿20,539
Sun 21/1222:50BKK - LHR
1 stop25h 50mMultiple Airlines
Wed 17/622:00LHR - BKK
1 stop30h 00mMultiple Airlines
Deal found 11/12฿20,603
Sat 20/1212:45BKK - LHR
1 stop27h 35mMultiple Airlines
Wed 17/622:00LHR - BKK
1 stop30h 00mMultiple Airlines
Deal found 11/12฿20,634
Tue 23/1212:45BKK - LHR
1 stop27h 35mMultiple Airlines
Tue 30/1222:00LHR - BKK
1 stop20h 05mMultiple Airlines
Deal found 11/12฿20,730
Thu 18/1212:45BKK - LHR
1 stop15h 55mMultiple Airlines
Wed 17/622:40LHR - BKK
1 stop19h 30mMultiple Airlines
Deal found 11/12฿20,888
Tue 23/1212:45BKK - LHR
1 stop27h 35mMultiple Airlines
Sun 7/620:25LHR - BKK
1 stop21h 45mMultiple Airlines
Deal found 11/12฿20,920
Sun 21/1222:50BKK - LHR
1 stop17h 30mMultiple Airlines
Mon 8/622:40LHR - BKK
1 stop19h 30mMultiple Airlines
Deal found 11/12฿20,983
Sun 21/1222:50BKK - LHR
1 stop17h 30mMultiple Airlines
Sun 7/620:25LHR - BKK
1 stop21h 45mMultiple Airlines
Deal found 11/12฿21,015
Thu 18/1212:45BKK - LHR
1 stop15h 55mMultiple Airlines
Tue 16/620:50LHR - BKK
1 stop14h 55mMultiple Airlines
Deal found 11/12฿21,173
Tue 23/1212:45BKK - LHR
1 stop27h 35mMultiple Airlines
Fri 9/120:25LHR - BKK
1 stop18h 05mMultiple Airlines
Deal found 10/12฿21,205

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 11 December 2025.

Round-trip from

฿19,272

One-way from

฿7,227

Popular in

January

Cheapest in

November

Average price

฿27,893

Good round-trip deal

฿32,568 or less

Good one-way deal

฿14,532 or less
China Eastern
  • China Eastern
  • 27/12-11/1
  • 4 total stops
  • 61h 10m total
  • Thailand to London
Search Deals
สแกนดอเนเวียนแอร์ไลน์
  • สแกนดอเนเวียนแอร์ไลน์
  • 23/12
  • 1 total stop
  • 27h 35m total
  • Thailand to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (฿22,745 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿10,093 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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.
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 11 December 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

Sat 27/12

16:25-17:30

2 stops32h 05m

London Heathrow

Sun 11/1

21:00-09:05

2 stops29h 05m

฿19,272

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 27/12

08:50-14:30

1 stop36h 40m

London Heathrow

Sun 11/1

21:00-14:20

1 stop34h 20m

฿20,127

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 24/1

08:50-18:10

1 stop16h 20m

London Heathrow

Sat 31/1

21:00-14:20

1 stop34h 20m

฿20,476

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Sun 25/1

16:00-07:30

1 stop22h 30m

London Heathrow

Sun 1/2

21:00-14:35

1 stop34h 35m

฿21,966

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Fri 23/1

14:00-19:40

1 stop36h 40m

London Heathrow

Fri 30/1

21:00-22:45

1 stop18h 45m

฿22,663

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Tue 13/1

22:50-19:20

1 stop27h 30m

London Heathrow

Thu 29/1

07:40-21:05

2 stops30h 25m

฿23,329

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 26/1

16:25-17:30

2 stops32h 05m

London Heathrow

Mon 2/2

21:00-09:05

2 stops29h 05m

฿23,424

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Mon 9/2

20:50-17:30

2 stops27h 40m

London Heathrow

Mon 16/2

21:00-22:45

1 stop18h 45m

฿23,455

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Sat 24/1

09:10-06:35

1 stop28h 25m

London Heathrow

Sat 31/1

21:00-14:35

1 stop34h 35m

฿23,582

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 26/1

22:50-18:10

2 stops26h 20m

London Heathrow

Mon 2/2

21:00-22:20

1 stop18h 20m

฿24,184

Flights are sorted by cheapest return flights first.

Deals found on 11/12

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 ฿12,932). Flying from Thailand to London Heathrow Airport in January is currently the most expensive (average of ฿25,611). 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 11 December 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 19% 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 6 December 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. Sunday 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 11 December 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 from Thailand to London delayed?

About 14% 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?

Friday 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 11 December 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
8.5
Very Good
1,296 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.5

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.
EVA Air
8.5
Very Good
1,296 reviews
EVA Air
8.5
Very Good
1,296 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.5

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.
Emirates
8.1
Very Good
3,434 reviews
EVA Air
8.5
Very Good
1,296 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.5

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.
Thai Airways
7.8
Good
366 reviews
EVA Air
8.5
Very Good
1,296 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.5

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.
เอทิฮัดแอร์เวย์
7.4
Good
1,331 reviews
EVA Air
8.5
Very Good
1,296 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.5

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.
บริติชแอร์เวย์
6.7
Okay
7,573 reviews
EVA Air
8.5
Very Good
1,296 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.5

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 22h 50m. Fly via China Eastern, Air India, or IndiGo 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?

    ฿6,545 is the cheapest one-way deal found within the past few days, from เอทิฮัดแอร์เวย์. You may also be able to find cheap deals on สแกนดอเนเวียนแอร์ไลน์ and โอมานแอร์, with prices starting from ฿6,876 and ฿6,908, 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 (86%) and EVA Air (81%).

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

    While on average a flight from Thailand to London Heathrow Airport is generally ฿55,987, our data shows the cheapest flight currently is ฿14,021. When looking at the most popular route, (Bangkok Suvarnabhumi - London Heathrow), you can expect to pay ฿19,715 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 ฿12,932). Flying from Thailand to London Heathrow Airport in January is currently the most expensive (average of ฿25,611). 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 11 December 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest฿19,374Average฿24,833FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
ลุฟท์ฮันซ่าCheapest฿19,841Average฿28,692FlexibilityNo cancel feeOn-time76%
Search ลุฟท์ฮันซ่า flights
FinnairCheapest฿20,738Average฿26,983FlexibilityNo cancel feeOn-time76%
Search Finnair flights
China SouthernCheapest฿21,106Average฿22,486FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Malaysia AirlinesCheapest฿22,698Average฿25,075FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Air ChinaCheapest฿22,725Average฿28,559FlexibilityNo cancel feeOn-time67%
Search Air China flights
เอทิฮัดแอร์เวย์Cheapest฿22,904Average฿29,076FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
คูเวตแอร์เวย์Cheapest฿23,139Average฿25,783FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights
เตอร์กิชแอร์ไลน์Cheapest฿23,826Average฿25,277FlexibilityNo cancel feeOn-time77%
Search เตอร์กิชแอร์ไลน์ flights
ออสเตรียนแอร์ไลน์Cheapest฿25,023Average฿28,100FlexibilityNo cancel feeOn-time78%
Search ออสเตรียนแอร์ไลน์ 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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