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Cheap flights from Thailand to London Heathrow Airport from ฿7,416

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
9 Jul — 16 Jul1
1 adult

Cheap flight deals from Thailand to Heathrow

Keep the following information in mind while searching for Thailand to Heathrow flight deals. Data was last updated 4 July 2025.

Round-trip from

฿22,604

One-way from

฿7,416

Popular in

January

Cheapest in

October

Average price

฿30,570

Good round-trip deal

฿33,014 or less

Good one-way deal

฿13,184 or less
China Southern
  • China Southern
  • 6/8-14/8
  • 2 total stops
  • 43h 40m total
  • Thailand to London
Search Deals
โอมานแอร์
  • โอมานแอร์
  • 15/7
  • 1 total stop
  • 28h 50m total
  • Thailand to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿63,077 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (฿9,754 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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

Find flight deals from Thailand to Heathrow

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 4 July 2025.

Wed 6/823:30HKT - LHR
1 stop25h 30mChina Southern
Thu 14/822:10LHR - HKT
1 stop18h 10mChina Southern
Deal found 3/7฿22,604
Fri 3/1009:10HKT - LHR
1 stop16h 00mMultiple Airlines
Wed 22/1022:00LHR - HKT
2 stops27h 40mMultiple Airlines
Deal found 3/7฿23,511
Mon 8/921:05BKK - LHR
1 stop26h 45mMultiple Airlines
Sun 14/922:10LHR - BKK
1 stop21h 20mMultiple Airlines
Deal found 2/7฿25,000
Tue 28/1002:10BKK - LHR
1 stop23h 05mChina Southern
Tue 4/1121:30LHR - BKK
2 stops20h 30mChina Southern
Deal found 2/7฿25,130
Tue 8/719:40BKK - LHR
1 stop25h 40mกัลฟ์แอร์
Sat 12/722:05LHR - BKK
1 stop29h 50mกัลฟ์แอร์
Deal found 2/7฿25,195
Wed 23/705:05BKK - LHR
1 stop19h 35mChina Eastern
Wed 13/821:20LHR - BKK
1 stop17h 35mChina Eastern
Deal found 3/7฿25,292
Tue 30/903:25BKK - LHR
1 stop17h 20mคูเวตแอร์เวย์
Sun 5/1011:45LHR - BKK
1 stop16h 35mคูเวตแอร์เวย์
Deal found 3/7฿25,389
Wed 17/902:55BKK - LHR
1 stop15h 50mเอทิฮัดแอร์เวย์
Wed 12/1119:20LHR - BKK
1 stop21h 00mเอทิฮัดแอร์เวย์
Deal found 3/7฿25,486
Thu 11/919:20BKK - LHR
1 stop30h 10mไห่หนานแอร์ไลน์
Mon 22/922:00LHR - BKK
1 stop30h 00mไห่หนานแอร์ไลน์
Deal found 3/7฿25,648
Tue 4/1120:05BKK - LHR
1 stop29h 20mโอมานแอร์
Fri 21/1108:25LHR - BKK
1 stop15h 20mโอมานแอร์
Deal found 2/7฿25,713
Sun 27/716:45DMK - LHR
2 stops32h 25mMultiple Airlines
Tue 12/821:45LHR - DMK
1 stop19h 05mMultiple Airlines
Deal found 3/7฿25,940
Mon 7/701:30BKK - LHR
1 stop22h 15mAir China
Sun 20/722:40LHR - BKK
1 stop19h 30mAir China
Deal found 3/7฿25,940

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 4 July 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

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Wed 6/8

23:30-19:00

1 stop25h 30m

London Heathrow

Thu 14/8

22:10-22:20

1 stop18h 10m

฿22,604

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Fri 3/10

09:10-19:10

1 stop16h 00m

London Heathrow

Wed 22/10

22:00-07:40

2 stops27h 40m

฿23,511

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 8/9

21:05-17:50

1 stop26h 45m

London Heathrow

Sun 14/9

22:10-01:30

1 stop21h 20m

฿25,000

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 28/10

02:10-18:15

1 stop23h 05m

London Heathrow

Tue 4/11

21:30-01:00

2 stops20h 30m

฿25,130

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 22/7

21:55-18:40

1 stop26h 45m

London Heathrow

Tue 5/8

21:20-20:55

1 stop17h 35m

฿25,195

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 30/9

03:25-14:45

1 stop17h 20m

London Heathrow

Sun 5/10

11:45-10:20

1 stop16h 35m

฿25,389

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 17/9

02:55-12:45

1 stop15h 50m

London Heathrow

Wed 12/11

19:20-23:20

1 stop21h 00m

฿25,486

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 11/9

19:20-19:30

1 stop30h 10m

London Heathrow

Mon 22/9

22:00-10:00

1 stop30h 00m

฿25,648

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 4/11

20:05-18:25

1 stop29h 20m

London Heathrow

Fri 21/11

08:25-06:45

1 stop15h 20m

฿25,713

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sun 27/7

16:45-19:10

2 stops32h 25m

London Heathrow

Tue 12/8

21:45-22:50

1 stop19h 05m

฿25,940

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 60 results
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6

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, December is the cheapest month in which you can book a flight from Thailand to London Heathrow Airport (average of ฿810). Flying from Thailand to London Heathrow Airport in July is currently the most expensive (average of ฿1,025). 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 4 July 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 4 July 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).

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 4 July 2025.
Get a feel of what it's like to fly with China Airlines, Asiana Airlines, andไห่หนานแอร์ไลน์ 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.
China Airlines
8.3
Very Good
744 reviews
Check prices

Food

7.8

Comfort

8.0

Overall

8.3

Entertainment

8.0

Boarding

8.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.3
Very Good
744 reviews
China Airlines
8.3
Very Good
744 reviews
Check prices

Food

7.8

Comfort

8.0

Overall

8.3

Entertainment

8.0

Boarding

8.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Asiana Airlines
8.2
Very Good
451 reviews
China Airlines
8.3
Very Good
744 reviews
Check prices

Food

7.8

Comfort

8.0

Overall

8.3

Entertainment

8.0

Boarding

8.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
China Airlines
8.3
Very Good
744 reviews
Check prices

Food

7.8

Comfort

8.0

Overall

8.3

Entertainment

8.0

Boarding

8.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Emirates
8.1
Very Good
3,284 reviews
China Airlines
8.3
Very Good
744 reviews
Check prices

Food

7.8

Comfort

8.0

Overall

8.3

Entertainment

8.0

Boarding

8.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

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.

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

    ฿7,416 is the cheapest one-way deal found within the past few days, from โอมานแอร์. You may also be able to find cheap deals on IndiGo and Singapore Airlines, with prices starting from ฿9,877 and ฿10,622, 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 EVA Air (58%), Thai Airways (58%) and แอร์แคนาดา (58%).

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

    While on average a flight from Thailand to London Heathrow Airport is generally ฿58,220, our data shows the cheapest flight currently is ฿13,157. When looking at the most popular route, (Bangkok Suvarnabhumi - London Heathrow), you can expect to pay ฿22,766 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, December is the cheapest month in which you can book a flight from Thailand to London Heathrow Airport (average of ฿810). Flying from Thailand to London Heathrow Airport in July is currently the most expensive (average of ฿1,025). 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 Thailand?

Book flights to Thailand 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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest฿18,120Average฿22,974FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest฿21,505Average฿23,399FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest฿22,419Average฿28,838FlexibilityNo cancel feeOn-time67%
Search Air China flights
เอทิฮัดแอร์เวย์Cheapest฿23,269Average฿29,238FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
FinnairCheapest฿23,590Average฿29,480FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Malaysia AirlinesCheapest฿23,830Average฿26,801FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
ลุฟท์ฮันซ่าCheapest฿24,140Average฿28,561FlexibilityNo cancel feeOn-time76%
Search ลุฟท์ฮันซ่า flights
เตอร์กิชแอร์ไลน์Cheapest฿24,343Average฿25,990FlexibilityNo cancel feeOn-time77%
Search เตอร์กิชแอร์ไลน์ flights
คูเวตแอร์เวย์Cheapest฿25,466Average฿26,774FlexibilityNo cancel feeOn-time64%
Search คูเวตแอร์เวย์ flights
ออสเตรียนแอร์ไลน์Cheapest฿25,565Average฿28,503FlexibilityNo 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.

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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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