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Cheap flights from Thailand to London Heathrow Airport from ฿8,308

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
5 Mar — 12 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 3 February 2026.

Thu 2/419:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Mon 6/421:20
LHR
-
BKK
1 stop21h 20m
Multiple Airlines
Deal found 1/2฿19,932
Sun 8/319:10
BKK
-
LHR
2 stops29h 45m
Multiple Airlines
Mon 27/421:20
LHR
-
BKK
3 stops33h 00m
Multiple Airlines
Deal found 2/2฿19,995
Thu 2/419:20
BKK
-
LHR
1 stop30h 10m
ไห่หนานแอร์ไลน์
Mon 6/422:00
LHR
-
BKK
1 stop38h 15m
ไห่หนานแอร์ไลน์
Deal found 1/2฿20,122
Thu 7/519:20
BKK
-
LHR
1 stop30h 10m
Multiple Airlines
Tue 12/522:40
LHR
-
BKK
1 stop19h 30m
Multiple Airlines
Deal found 2/2฿20,153
Wed 4/318:55
BKK
-
LHR
1 stop30h 40m
Multiple Airlines
Fri 6/321:00
LHR
-
BKK
2 stops30h 05m
Multiple Airlines
Deal found 2/2฿20,216
Sun 8/202:10
BKK
-
LHR
1 stop23h 25m
Multiple Airlines
Mon 2/321:00
LHR
-
BKK
2 stops30h 05m
Multiple Airlines
Deal found 1/2฿20,248
Tue 3/311:10
BKK
-
LHR
1 stop36h 10m
Multiple Airlines
Thu 5/321:35
LHR
-
BKK
1 stop31h 55m
Multiple Airlines
Deal found 1/2฿20,343
Thu 5/219:55
BKK
-
LHR
1 stop29h 40m
Multiple Airlines
Thu 12/320:25
LHR
-
BKK
1 stop20h 45m
Multiple Airlines
Deal found 31/1฿20,406
Sun 8/315:45
BKK
-
LHR
1 stop32h 15m
Multiple Airlines
Tue 17/317:40
LHR
-
BKK
1 stop17h 25m
Multiple Airlines
Deal found 2/2฿20,437
Tue 3/311:10
BKK
-
LHR
1 stop36h 10m
Multiple Airlines
Tue 10/317:40
LHR
-
BKK
1 stop17h 25m
Multiple Airlines
Deal found 2/2฿20,469
Thu 28/511:05
BKK
-
LHR
2 stops38h 25m
Multiple Airlines
Thu 4/620:25
LHR
-
BKK
1 stop21h 45m
Multiple Airlines
Deal found 1/2฿20,564
Thu 5/318:55
BKK
-
LHR
1 stop30h 40m
Multiple Airlines
Wed 18/319:45
LHR
-
BKK
1 stop31h 20m
Multiple Airlines
Deal found 3/2฿20,627

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 3 February 2026.

Round-trip from

฿19,932

One-way from

฿8,308

Popular in

January

Cheapest in

November

Average price

฿28,303

Good round-trip deal

฿35,527 or less

Good one-way deal

฿17,155 or less
China Eastern
  • China Eastern
  • 2/4-6/4
  • 3 total stops
  • 51h 30m total
  • Thailand to London
Search Deals
23/3
  • 23/3
  • 2 total stops
  • 48h 55m total
  • Thailand to London
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (฿5,209 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿9,448 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 3 February 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

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 2/3

18:40-15:25

1 stop27h 45m

London Heathrow

Sat 7/3

10:25-13:25

1 stop20h 00m

฿23,565

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 12/3

14:50-15:25

1 stop31h 35m

London Heathrow

Mon 16/3

10:25-13:50

1 stop20h 25m

฿23,691

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 11/6

19:10-06:30

1 stop17h 20m

London Heathrow

Tue 23/6

20:50-17:45

1 stop14h 55m

฿23,849

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 26/3

20:05-05:55

1 stop16h 50m

London Heathrow

Tue 18/8

20:50-12:45

1 stop33h 55m

฿23,849

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 9/3

18:40-15:25

1 stop27h 45m

London Heathrow

Tue 10/3

21:25-23:10

1 stop18h 45m

฿23,849

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Sat 28/3

19:35-17:40

2 stops29h 05m

London Heathrow

Thu 9/4

21:20-18:00

2 stops62h 40m

฿24,070

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Tue 3/3

11:05-06:40

2 stops26h 35m

London Heathrow

Tue 10/3

20:25-21:20

1 stop17h 55m

฿24,196

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 12/3

16:25-17:30

2 stops32h 05m

London Heathrow

Mon 16/3

21:00-15:25

2 stops35h 25m

฿24,228

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 10/6

12:35-16:35

1 stop34h 00m

London Heathrow

Sun 21/6

11:00-11:40

1 stop18h 40m

฿24,228

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 2/4

14:40-16:35

1 stop31h 55m

London Heathrow

Sun 19/4

11:00-11:40

1 stop18h 40m

฿24,228

Flights are sorted by cheapest return flights first.

Deals found on 31/1

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 ฿12,888). Flying from Thailand to London Heathrow Airport in June is currently the most expensive (average of ฿23,881). 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 3 February 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 3 February 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 3 February 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
8.5
Very Good
1,342 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Overall

8.5

Crew

8.6

Food

8.1

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
EVA Air
8.5
Very Good
1,342 reviews
EVA Air
8.5
Very Good
1,342 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Overall

8.5

Crew

8.6

Food

8.1

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Emirates
8.1
Very Good
3,498 reviews
EVA Air
8.5
Very Good
1,342 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Overall

8.5

Crew

8.6

Food

8.1

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Thai Airways
7.8
Good
381 reviews
EVA Air
8.5
Very Good
1,342 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Overall

8.5

Crew

8.6

Food

8.1

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
เอทิฮัดแอร์เวย์
7.3
Good
1,380 reviews
EVA Air
8.5
Very Good
1,342 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Overall

8.5

Crew

8.6

Food

8.1

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
บริติชแอร์เวย์
6.7
Okay
7,712 reviews
EVA Air
8.5
Very Good
1,342 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Overall

8.5

Crew

8.6

Food

8.1

Comfort

8.3

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

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 17h 20m. Fly via Malaysia Airlines, โอมานแอร์, or China Eastern 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?

    ฿6,135 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 China Eastern, with prices starting from ฿6,523 and ฿7,835, 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 (95%), Thai Airways (85%) and EVA Air (80%).

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

    While on average a flight from Thailand to London Heathrow Airport is generally ฿53,774, our data shows the cheapest flight currently is ฿16,897. When looking at the most popular route, (Bangkok Suvarnabhumi - London Heathrow), you can expect to pay ฿18,700 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 ฿12,888). Flying from Thailand to London Heathrow Airport in June is currently the most expensive (average of ฿23,881). 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 3 February 2026.
AirlineCheapestAverageFlexibilityOn-time
โอมานแอร์Cheapest฿10,324Average฿26,639FlexibilityNo cancel feeOn-time76%
Search โอมานแอร์ flights
คูเวตแอร์เวย์Cheapest฿10,622Average฿26,032FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights
เอทิฮัดแอร์เวย์Cheapest฿12,719Average฿28,815FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์Cheapest฿14,191Average฿30,349FlexibilityNo cancel feeOn-time79%
Search สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ flights
Air IndiaCheapest฿14,916Average฿31,454FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
FinnairCheapest฿20,667Average฿26,670FlexibilityNo cancel feeOn-time76%
Search Finnair flights
China SouthernCheapest฿22,131Average฿23,868FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest฿22,544Average฿25,976FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
เตอร์กิชแอร์ไลน์Cheapest฿23,745Average฿25,191FlexibilityNo cancel feeOn-time77%
Search เตอร์กิชแอร์ไลน์ flights
ลุฟท์ฮันซ่าCheapest฿24,604Average฿30,508FlexibilityNo cancel feeOn-time76%
Search ลุฟท์ฮันซ่า 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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