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Cheap flights from Thailand to London Heathrow Airport from ฿7,158

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
28 Jan — 4 Feb1
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 29 December 2025.

Tue 30/1211:10BKK - LHR
1 stop36h 10mMultiple Airlines
Tue 6/122:10LHR - BKK
1 stop35h 30mMultiple Airlines
Deal found 27/12฿22,929
Wed 31/1219:15BKK - LHR
1 stop18h 20mMultiple Airlines
Wed 7/119:45LHR - BKK
1 stop31h 20mMultiple Airlines
Deal found 28/12฿23,796
Mon 29/1209:00BKK - LHR
1 stop16h 25mMultiple Airlines
Mon 5/121:00LHR - BKK
1 stop30h 05mMultiple Airlines
Deal found 28/12฿24,106
Sun 28/1211:10BKK - LHR
2 stops37h 45mMultiple Airlines
Sun 4/117:15LHR - BKK
3 stops35h 10mMultiple Airlines
Deal found 26/12฿24,633
Mon 29/1220:15DMK - LHR
3 stops46h 25mMultiple Airlines
Thu 1/120:05LHR - DMK
2 stops19h 45mMultiple Airlines
Deal found 28/12฿25,965
Tue 30/1209:15DMK - LHR
2 stops33h 25mMultiple Airlines
Sat 3/108:25LHR - DMK
2 stops31h 25mMultiple Airlines
Deal found 28/12฿26,430
Sun 28/1211:10BKK - LHR
2 stops37h 45mMultiple Airlines
Wed 31/1221:30LHR - BKK
1 stop16h 35mMultiple Airlines
Deal found 27/12฿26,802
Mon 29/1213:40DMK - LHR
2 stops30h 20mMultiple Airlines
Mon 5/122:00LHR - DMK
1 stop20h 35mMultiple Airlines
Deal found 28/12฿29,312
Tue 30/1220:55DMK - LHR
2 stops29h 15mMultiple Airlines
Tue 6/122:00LHR - DMK
1 stop23h 50mMultiple Airlines
Deal found 29/12฿29,467
Tue 30/1220:55DMK - LHR
2 stops29h 15mMultiple Airlines
Sun 4/122:00LHR - DMK
1 stop23h 50mMultiple Airlines
Deal found 29/12฿30,365
Sun 28/1221:10DMK - LHR
2 stops20h 15mMultiple Airlines
Sun 4/122:00LHR - DMK
1 stop20h 55mMultiple Airlines
Deal found 26/12฿30,427
Sun 28/1220:55DMK - LHR
2 stops18h 10mMultiple Airlines
Thu 1/106:00LHR - DMK
2 stops17h 35mMultiple Airlines
Deal found 27/12฿31,016

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 29 December 2025.

Round-trip from

฿19,582

One-way from

฿7,158

Popular in

January

Cheapest in

November

Average price

฿27,267

Good round-trip deal

฿34,992 or less

Good one-way deal

฿14,670 or less
Shenzhen Airlines
  • Shenzhen Airlines
  • 3/2-9/2
  • 2 total stops
  • 67h 10m total
  • Thailand to London
Search Deals
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 8/3
  • 2 total stops
  • 37h 45m total
  • Thailand to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (฿18,434 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (฿8,461 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 29 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

Tue 20/1

08:50-18:10

1 stop16h 20m

London Heathrow

Wed 28/1

21:00-14:20

1 stop34h 20m

฿19,613

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 30/1

09:00-05:55

1 stop27h 55m

London Heathrow

Sun 8/2

08:25-17:45

1 stop26h 20m

฿23,053

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 30/1

09:00-18:25

1 stop16h 25m

London Heathrow

Wed 4/2

20:05-06:45

1 stop27h 40m

฿23,084

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 16/2

20:05-18:25

1 stop29h 20m

London Heathrow

Fri 20/2

20:05-17:45

1 stop14h 40m

฿23,084

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Sun 25/1

22:05-21:15

2 stops30h 10m

London Heathrow

Sun 1/2

21:00-22:45

1 stop18h 45m

฿23,115

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Thu 26/3

20:55-11:05

1 stop21h 10m

London Heathrow

Thu 9/4

06:40-09:40

2 stops21h 00m

฿23,270

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Wed 4/2

22:05-14:25

1 stop23h 20m

London Heathrow

Fri 20/2

19:50-21:45

1 stop18h 55m

฿23,394

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Sun 1/3

21:15-13:45

2 stops23h 30m

London Heathrow

Wed 4/3

21:00-22:45

1 stop18h 45m

฿23,672

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Wed 11/2

11:05-13:45

2 stops33h 40m

London Heathrow

Wed 18/2

21:00-22:45

1 stop18h 45m

฿23,703

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 5/2

09:25-06:40

1 stop28h 15m

London Heathrow

Wed 11/2

19:20-23:25

1 stop21h 05m

฿23,827

Flights are sorted by cheapest return flights first.

Deals found on 28/12

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 ฿12,642). Flying from Thailand to London Heathrow Airport in January is currently the most expensive (average of ฿25,129). 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 29 December 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 29 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 29 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
1,304 reviews
Check prices

Overall

8.5

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very Good
1,304 reviews
EVA Air
8.5
Very Good
1,304 reviews
Check prices

Overall

8.5

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Emirates
8.1
Very Good
3,447 reviews
EVA Air
8.5
Very Good
1,304 reviews
Check prices

Overall

8.5

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Thai Airways
7.8
Good
371 reviews
EVA Air
8.5
Very Good
1,304 reviews
Check prices

Overall

8.5

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
เอทิฮัดแอร์เวย์
7.4
Good
1,345 reviews
EVA Air
8.5
Very Good
1,304 reviews
Check prices

Overall

8.5

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
บริติชแอร์เวย์
6.7
Okay
7,623 reviews
EVA Air
8.5
Very Good
1,304 reviews
Check prices

Overall

8.5

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

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 20m. Fly via โอมานแอร์, IndiGo, or เอทิฮัดแอร์เวย์ to get the fastest option. The distance between Thailand and London Heathrow Airport is about 9896 km. This flight may include one or multiple stops.

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

    ฿6,398 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 ฿6,721 and ฿6,753, respectively.

  • What are the most popular routes from Thailand to London Heathrow Airport?

    While some choose either Bangkok Don Mueang Intl - London Heathrow or Phuket City - 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 (97%), Thai Airways (92%) and EVA Air (89%).

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

    While on average a flight from Thailand to London Heathrow Airport is generally ฿56,111, our data shows the cheapest flight currently is ฿14,205. When looking at the most popular route, (Bangkok Suvarnabhumi - London Heathrow), you can expect to pay ฿18,653 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 ฿12,642). Flying from Thailand to London Heathrow Airport in January is currently the most expensive (average of ฿25,129). 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 29 December 2025.
AirlineCheapestAverageFlexibilityOn-time
คูเวตแอร์เวย์Cheapest฿13,158Average฿25,204FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights
ลุฟท์ฮันซ่าCheapest฿19,396Average฿28,048FlexibilityNo cancel feeOn-time76%
Search ลุฟท์ฮันซ่า flights
China SouthernCheapest฿19,988Average฿22,053FlexibilityNo cancel feeOn-time69%
Search China Southern flights
FinnairCheapest฿20,043Average฿26,206FlexibilityNo cancel feeOn-time76%
Search Finnair flights
China EasternCheapest฿21,599Average฿25,076FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
เอทิฮัดแอร์เวย์Cheapest฿22,389Average฿28,371FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
เตอร์กิชแอร์ไลน์Cheapest฿23,291Average฿24,710FlexibilityNo cancel feeOn-time77%
Search เตอร์กิชแอร์ไลน์ flights
Cathay PacificCheapest฿24,531Average฿27,440FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์Cheapest฿24,543Average฿27,014FlexibilityNo cancel feeOn-time79%
Search สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ flights
ออสเตรียนแอร์ไลน์Cheapest฿24,654Average฿27,474FlexibilityNo 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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