Cheap flights from Thailand to London Heathrow Airport from ฿6,037

BKK — LHR
29 Nov — 6 Dec1
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

Wed 25/1109:10 -
1 stop16h 00m
Sat 5/1212:30 -
1 stop18h 50m
Deal found 26/10฿22,055
Mon 9/1109:10 -
1 stop28h 30m
Tue 17/1121:00 -
1 stop34h 20m
Deal found 26/10฿22,224
Fri 27/1112:10 -
1 stop38h 00m
Mon 30/1121:10 -
1 stop36h 55m
Deal found 30/10฿22,831
Tue 3/1119:30 -
1 stop29h 55m
Wed 11/1121:05 -
1 stop30h 00m
Deal found 29/10฿22,898
Fri 18/1202:55 -
1 stop18h 35m
Wed 6/121:10 -
1 stop21h 10m
Deal found 29/10฿22,932
Wed 4/1120:35 -
2 stops28h 25m
Wed 28/422:05 -
1 stop29h 40m
Deal found 28/10฿22,966
Sat 7/1112:35 -
1 stop27h 45m
Fri 13/1121:00 -
2 stops38h 25m
Deal found 28/10฿23,000
Mon 14/1202:55 -
1 stop16h 10m
Sat 9/121:10 -
1 stop21h 10m
Deal found 29/10฿23,033
Tue 27/1002:20 -
1 stop23h 50m
Sun 1/1121:10 -
1 stop36h 55m
Deal found 27/10฿23,101
Thu 3/1220:40 -
1 stop21h 25m
Wed 27/122:00 -
1 stop17h 30m
Deal found 27/10฿23,134
Thu 5/1109:10 -
1 stop15h 50m
Tue 10/1121:00 -
2 stops28h 35m
Deal found 29/10฿23,134
Sat 28/1118:10 -
1 stop32h 00m
Wed 2/1221:10 -
1 stop36h 55m
Deal found 29/10฿23,168

Find flight deals from Thailand to Heathrow

Round-trip from

฿22,055

One-way from

฿6,037

Popular in

July

Cheapest in

February

Average price

฿30,756

Good round-trip deal

฿35,257 or less

Good one-way deal

฿17,705 or less
China Eastern
  • China Eastern
  • 25/11-5/12
  • 2 total stops
  • 34h 50m total
  • Thailand to London
เอทิฮัดแอร์เวย์
  • เอทิฮัดแอร์เวย์
  • 19/11-31/12
  • 1 total stop
  • 16h 00m total
  • Thailand to London
Highest demand for flights based on searches. 6% potential increase in price (฿78,246 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (฿14,865 potential savings vs. average return price).
Average for round-trip flights in October 2026
Price to beat on a round-trip flight from Thailand to London Heathrow.
Price to beat on a one-way flight from Thailand to London Heathrow.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Thailand to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Tue 24/11

09:10-12:05

1 stop33h 55m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿6,273

KrabiLondon

KBV Krabi - LHR London Heathrow

KBVLHR

Krabi

Wed 18/11

08:40-14:30

1 stop36h 50m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿6,340

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Tue 23/3

20:55-14:30

1 stop24h 35m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿9,645

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Thu 25/3

20:55-06:40

1 stop16h 45m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿9,915

KrabiLondon

KBV Krabi - LHR London Heathrow

KBVLHR

Krabi

Sun 22/11

08:40-10:10

2 stops32h 30m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿10,050

Phuket CityLondon

HKT Phuket City - LHR London Heathrow

HKTLHR

Phuket City

Thu 10/12

15:30-06:40

1 stop22h 10m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿10,286

Phuket CityLondon

HKT Phuket City - LHR London Heathrow

HKTLHR

Phuket City

Tue 10/11

09:10-06:40

1 stop28h 30m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿10,286

Phuket CityLondon

HKT Phuket City - LHR London Heathrow

HKTLHR

Phuket City

Fri 6/11

21:30-09:20

2 stops42h 50m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿10,421

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Thu 10/12

02:20-19:10

1 stop23h 50m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿10,623

KrabiLondon

KBV Krabi - LHR London Heathrow

KBVLHR

Krabi

Tue 15/12

11:50-18:25

2 stops37h 35m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿11,129

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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, February is the cheapest month in which you can book a flight from Thailand to London Heathrow Airport (average of ฿31,127). Flying from Thailand to London Heathrow Airport in March is currently the most expensive (average of ฿40,300). 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?

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

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 11% of weekly flights between Thailand and London have experienced delays in the past year, with the average delay time being 97 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 Thursday 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, Thai Airways have had the lowest number of delays on this route, with just 10% of flights being delayed.

How far ahead should I book a flight from Thailand to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from Thailand to London Heathrow Airport, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with EVA Air,Emirates, andโอมานแอร์ 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.

Food

8.1

Overall

8.5

Entertainment

8.0

Boarding

8.4

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

SEA - TPE

The food on EVA suits my Asian palate and is always of a high standard. The flight was comfortable and the crew very helpful. I lost an ear bud while I slept and they helped me find it at the end of the flight. I was very grateful!

Food

8.1

Overall

8.5

Entertainment

8.0

Boarding

8.4

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

SEA - TPE

The food on EVA suits my Asian palate and is always of a high standard. The flight was comfortable and the crew very helpful. I lost an ear bud while I slept and they helped me find it at the end of the flight. I was very grateful!

Food

8.1

Overall

8.5

Entertainment

8.0

Boarding

8.4

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

SEA - TPE

The food on EVA suits my Asian palate and is always of a high standard. The flight was comfortable and the crew very helpful. I lost an ear bud while I slept and they helped me find it at the end of the flight. I was very grateful!

Food

8.1

Overall

8.5

Entertainment

8.0

Boarding

8.4

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

SEA - TPE

The food on EVA suits my Asian palate and is always of a high standard. The flight was comfortable and the crew very helpful. I lost an ear bud while I slept and they helped me find it at the end of the flight. I was very grateful!

Food

8.1

Overall

8.5

Entertainment

8.0

Boarding

8.4

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

SEA - TPE

The food on EVA suits my Asian palate and is always of a high standard. The flight was comfortable and the crew very helpful. I lost an ear bud while I slept and they helped me find it at the end of the flight. I was very grateful!

Food

8.1

Overall

8.5

Entertainment

8.0

Boarding

8.4

Crew

8.7

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

SEA - TPE

The food on EVA suits my Asian palate and is always of a high standard. The flight was comfortable and the crew very helpful. I lost an ear bud while I slept and they helped me find it at the end of the flight. I was very grateful!

Related info for your journey

  • 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 Shenzhen Airlines, เอทิฮัดแอร์เวย์, or Air India 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?

    ฿6,549 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 ไห่หนานแอร์ไลน์, with prices starting from ฿6,964 and ฿7,597, respectively.

  • What are the most popular routes 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 (74%), TAP ปอร์ตูกัล (74%) and Thai Airways (64%).

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

    While on average a flight from Thailand to London Heathrow Airport is generally ฿27,691, our data shows the cheapest flight currently is ฿16,128. When looking at the most popular route, (Bangkok Suvarnabhumi - London Heathrow), you can expect to pay ฿21,313 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, February is the cheapest month in which you can book a flight from Thailand to London Heathrow Airport (average of ฿31,127). Flying from Thailand to London Heathrow Airport in March is currently the most expensive (average of ฿40,300). 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

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from Thailand to Heathrow

AirlineCheapestAverageFlexibilityOn-time
เอทิฮัดแอร์เวย์Cheapest฿9,915Average฿28,611FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
FinnairCheapest฿19,162Average฿31,457FlexibilityNo cancel feeOn-time76%
Search Finnair flights
โอมานแอร์Cheapest฿22,126Average฿27,127FlexibilityNo cancel feeOn-time76%
Search โอมานแอร์ flights
Qatar AirwaysCheapest฿28,996Average฿32,162FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest฿31,185Average฿32,933FlexibilityNo cancel feeOn-time75%
Search Emirates flights
EVA AirCheapest฿33,965Average฿38,459FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Thai AirwaysCheapest฿35,808Average฿42,268FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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.

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