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Cheap flights from Thailand to London Heathrow Airport from ฿8,292

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
27 Feb — 6 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 28 January 2026.

Thu 5/211:10
BKK
-
LHR
2 stops37h 25m
Multiple Airlines
Wed 18/211:30
LHR
-
BKK
2 stops26h 35m
Multiple Airlines
Deal found 26/1฿19,565
Sun 1/218:55
BKK
-
LHR
1 stop29h 05m
Multiple Airlines
Mon 16/221:00
LHR
-
BKK
2 stops30h 05m
Multiple Airlines
Deal found 27/1฿19,627
Thu 28/511:05
BKK
-
LHR
2 stops38h 25m
Multiple Airlines
Thu 4/621:20
LHR
-
BKK
1 stop21h 20m
Multiple Airlines
Deal found 26/1฿19,720
Thu 5/219:10
BKK
-
LHR
2 stops29h 25m
Multiple Airlines
Tue 24/222:05
LHR
-
BKK
1 stop18h 25m
Multiple Airlines
Deal found 27/1฿19,875
Tue 27/115:45
BKK
-
LHR
1 stop33h 50m
Multiple Airlines
Mon 2/321:00
LHR
-
BKK
2 stops30h 05m
Multiple Airlines
Deal found 26/1฿19,907
Sun 8/213:55
BKK
-
LHR
1 stop34h 05m
Multiple Airlines
Mon 16/221:00
LHR
-
BKK
2 stops30h 05m
Multiple Airlines
Deal found 27/1฿20,000
Tue 26/511:05
BKK
-
LHR
1 stop38h 25m
Multiple Airlines
Tue 2/621:20
LHR
-
BKK
1 stop21h 20m
Multiple Airlines
Deal found 25/1฿20,031
Tue 12/511:05
BKK
-
LHR
1 stop38h 25m
Multiple Airlines
Thu 14/521:20
LHR
-
BKK
1 stop21h 20m
Multiple Airlines
Deal found 26/1฿20,062
Tue 27/109:30
BKK
-
LHR
1 stop15h 50m
แอร์ฟร้านซ์
Mon 2/309:00
LHR
-
BKK
1 stop15h 15m
แอร์ฟร้านซ์
Deal found 26/1฿20,155
Thu 7/519:20
BKK
-
LHR
2 stops30h 10m
ไห่หนานแอร์ไลน์
Mon 25/522:00
LHR
-
BKK
2 stops30h 00m
ไห่หนานแอร์ไลน์
Deal found 27/1฿20,186
Thu 28/511:05
BKK
-
LHR
1 stop38h 25m
Multiple Airlines
Sat 30/520:25
LHR
-
BKK
1 stop21h 45m
Multiple Airlines
Deal found 27/1฿20,310
Wed 1/418:55
HKT
-
LHR
2 stops29h 45m
Multiple Airlines
Sun 19/422:40
LHR
-
HKT
1 stop37h 05m
Multiple Airlines
Deal found 27/1฿21,739

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 28 January 2026.

Round-trip from

฿19,689

One-way from

฿8,292

Popular in

January

Cheapest in

November

Average price

฿32,049

Good round-trip deal

฿34,965 or less

Good one-way deal

฿16,858 or less
23/3-7/4
  • 23/3-7/4
  • 2 total stops
  • 49h 50m 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 (฿6,248 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿9,280 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 28 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

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Wed 1/4

18:55-18:40

2 stops29h 45m

London Heathrow

Sun 19/4

22:40-17:45

1 stop37h 05m

฿21,739

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 12/3

14:30-17:35

3 stops34h 05m

London Heathrow

Thu 19/3

21:00-09:05

2 stops29h 05m

฿22,422

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 7/2

20:05-18:25

1 stop29h 20m

London Heathrow

Thu 19/2

20:05-06:45

1 stop27h 40m

฿23,105

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 26/5

09:00-19:10

1 stop16h 10m

London Heathrow

Thu 3/9

20:50-17:45

1 stop14h 55m

฿23,633

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 24/5

19:10-06:30

1 stop17h 20m

London Heathrow

Mon 7/9

08:25-06:50

1 stop16h 25m

฿23,633

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 25/5

09:00-19:10

1 stop16h 10m

London Heathrow

Sun 6/9

08:25-06:55

1 stop16h 30m

฿23,633

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 4/5

19:10-19:10

1 stop30h 00m

London Heathrow

Thu 28/5

20:50-06:50

1 stop28h 00m

฿23,664

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 4/5

09:00-19:10

1 stop16h 10m

London Heathrow

Mon 25/5

20:50-06:55

1 stop28h 05m

฿23,664

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 7/5

09:00-06:30

1 stop27h 30m

London Heathrow

Thu 28/5

20:50-17:45

1 stop14h 55m

฿23,664

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 5/5

09:00-19:10

1 stop16h 10m

London Heathrow

Thu 28/5

20:50-17:45

1 stop14h 55m

฿23,664

Flights are sorted by cheapest return flights first.

Deals found on 28/1

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 ฿12,671). Flying from Thailand to London Heathrow Airport in June is currently the most expensive (average of ฿23,478). 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 28 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 28 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 28 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
1,334 reviews
Check prices

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

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
8.4
Very Good
1,334 reviews
EVA Air
8.4
Very Good
1,334 reviews
Check prices

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

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
3,490 reviews
EVA Air
8.4
Very Good
1,334 reviews
Check prices

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

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
380 reviews
EVA Air
8.4
Very Good
1,334 reviews
Check prices

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

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
1,375 reviews
EVA Air
8.4
Very Good
1,334 reviews
Check prices

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

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
7,705 reviews
EVA Air
8.4
Very Good
1,334 reviews
Check prices

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Boarding

8.4

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 27h 50m. Fly via Air China, โอมานแอร์, or China Eastern 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?

    ฿6,031 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 ฿6,413 and ฿6,769, 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 ฿52,805, our data shows the cheapest flight currently is ฿16,669. When looking at the most popular route, (Bangkok Suvarnabhumi - London Heathrow), you can expect to pay ฿17,671 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 ฿12,671). Flying from Thailand to London Heathrow Airport in June is currently the most expensive (average of ฿23,478). 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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
โอมานแอร์Cheapest฿10,150Average฿26,189FlexibilityNo cancel feeOn-time76%
Search โอมานแอร์ flights
คูเวตแอร์เวย์Cheapest฿10,443Average฿25,593FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights
เอทิฮัดแอร์เวย์Cheapest฿12,505Average฿28,354FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์Cheapest฿13,952Average฿29,837FlexibilityNo cancel feeOn-time79%
Search สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ flights
Air IndiaCheapest฿14,664Average฿30,924FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
ลุฟท์ฮันซ่าCheapest฿19,440Average฿29,994FlexibilityNo cancel feeOn-time76%
Search ลุฟท์ฮันซ่า flights
FinnairCheapest฿20,318Average฿26,221FlexibilityNo cancel feeOn-time76%
Search Finnair flights
China SouthernCheapest฿21,757Average฿23,478FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest฿22,164Average฿25,537FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
เตอร์กิชแอร์ไลน์Cheapest฿23,344Average฿24,766FlexibilityNo 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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