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Cheap flights from Thailand to London Heathrow Airport from £186

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 26/3. 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

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 22 February 2025.

Round-trip from

£543

One-way from

£186

Popular in

January

Cheapest in

October

Average price

£760

Good round-trip deal

£777 or less

Good one-way deal

£404 or less
China Eastern
  • China Eastern
  • 19/3-23/3
  • 2 total stops
  • 55h 25m total
  • Thailand to London
Search Deals
China Eastern
  • China Eastern
  • 26/3
  • 3 total stops
  • 34h 50m total
  • Thailand to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£37 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 22 February 2025.

Wed 19/314:00HKT - LHR
1 stop36h 40mMultiple Airlines
Sun 23/321:00LHR - HKT
1 stop18h 45mMultiple Airlines
Deal found 21/2£543
Mon 7/416:40HKT - LHR
1 stop32h 20mChina Southern
Mon 14/422:10LHR - HKT
1 stop35h 30mChina Southern
Deal found 21/2£544
Mon 7/416:20CNX - LHR
2 stops32h 20mChina Eastern
Mon 14/421:20LHR - CNX
3 stops29h 45mChina Eastern
Deal found 21/2£549
Mon 31/315:55BKK - LHR
1 stop33h 05mMultiple Airlines
Fri 2/509:25LHR - BKK
1 stop27h 35mMultiple Airlines
Deal found 21/2£579
Wed 26/219:05BKK - LHR
1 stop29h 25mChina Eastern
Sun 2/321:00LHR - BKK
1 stop18h 25mChina Eastern
Deal found 21/2£583
Tue 25/219:15BKK - LHR
2 stops53h 40mChina Southern
Tue 18/322:00LHR - BKK
1 stop30h 25mChina Southern
Deal found 21/2£586
Wed 4/611:35BKK - LHR
1 stop15h 50mAir France
Sat 30/811:30LHR - BKK
1 stop15h 45mAir France
Deal found 21/2£589
Sun 30/319:10BKK - LHR
1 stop30h 20mHainan Airlines
Fri 11/422:00LHR - BKK
1 stop38h 05mHainan Airlines
Deal found 21/2£591
Wed 26/218:30DMK - LHR
2 stops30h 25mMultiple Airlines
Mon 3/321:00LHR - DMK
1 stop26h 10mMultiple Airlines
Deal found 21/2£604
Tue 29/420:00CNX - LHR
2 stops53h 10mMultiple Airlines
Wed 14/520:50LHR - CNX
2 stops34h 55mMultiple Airlines
Deal found 21/2£613
Wed 30/418:50CNX - LHR
2 stops53h 15mChina Southern
Tue 13/522:10LHR - CNX
1 stop37h 40mChina Southern
Deal found 21/2£624
Sat 22/315:00BKK - LHR
1 stop28h 35mFinnair
Mon 24/313:10LHR - BKK
1 stop33h 55mFinnair
Deal found 21/2£627

Find flights from Thailand to Heathrow within your budget

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 858,174 searches. Data last updated 22 February 2025.

Fly from

Thailand

Fly to

Heathrow

Route

Depart

Return

Price

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Wed 19/3

14:00-19:40

1 stop36h 40m

London Heathrow

Sun 23/3

21:00-22:45

1 stop18h 45m

£543

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Mon 7/4

16:40-19:00

1 stop32h 20m

London Heathrow

Mon 14/4

22:10-15:40

1 stop35h 30m

£544

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 7/4

16:20-18:40

2 stops32h 20m

London Heathrow

Mon 14/4

21:20-09:05

3 stops29h 45m

£549

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 31/3

15:55-19:00

1 stop33h 05m

London Heathrow

Fri 2/5

09:25-19:00

1 stop27h 35m

£579

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 4/6

11:35-21:25

1 stop15h 50m

London Heathrow

Sat 30/8

11:30-09:15

1 stop15h 45m

£589

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 30/3

19:10-19:30

1 stop30h 20m

London Heathrow

Fri 11/4

22:00-18:05

1 stop38h 05m

£591

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 17/3

15:00-12:10

1 stop28h 10m

London Heathrow

Mon 31/3

09:30-05:30

1 stop38h 00m

£604

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 21/3

01:30-15:55

1 stop21h 25m

London Heathrow

Mon 24/3

17:40-02:20

2 stops25h 40m

£617

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 15/6

06:45-16:40

1 stop15h 55m

London Heathrow

Fri 20/6

11:20-09:45

1 stop16h 25m

£628

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Thu 12/6

02:50-12:45

1 stop15h 55m

London Heathrow

Wed 18/6

20:55-18:25

1 stop15h 30m

£630

Flights are sorted by cheapest return flights first.

Deals found on 21/2

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.

Travel insights for flights from Thailand to Heathrow

Get recent, data-driven insights about flights from Thailand to Heathrow including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Thailand to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Thailand to London Heathrow Airport (average of £112). Flying from Thailand to London Heathrow Airport in August is currently the most expensive (average of £163). 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 22 February 2025.

When flying from Thailand to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 22 February 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).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 22 February 2025.
Read reviews from past customers who have flown EVA Air, Asiana Airlines and Singapore Airlines from Thailand to London. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,199 reviews
Check prices

Entertainment

8.0

Food

8.0

Boarding

8.4

Comfort

8.2

Overall

8.4

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

EVA Air
8.4
Very Good
1,199 reviews
EVA Air
8.4
Very Good
1,199 reviews
Check prices

Entertainment

8.0

Food

8.0

Boarding

8.4

Comfort

8.2

Overall

8.4

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Asiana Airlines
8.3
Very Good
445 reviews
EVA Air
8.4
Very Good
1,199 reviews
Check prices

Entertainment

8.0

Food

8.0

Boarding

8.4

Comfort

8.2

Overall

8.4

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Singapore Airlines
8.1
Very Good
1,297 reviews
EVA Air
8.4
Very Good
1,199 reviews
Check prices

Entertainment

8.0

Food

8.0

Boarding

8.4

Comfort

8.2

Overall

8.4

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Emirates
8.1
Very Good
3,276 reviews
EVA Air
8.4
Very Good
1,199 reviews
Check prices

Entertainment

8.0

Food

8.0

Boarding

8.4

Comfort

8.2

Overall

8.4

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

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?

    The cheapest airline one-way is China Eastern, with whom users have recently found tickets for as low as £186. However, be on the lookout for offers from Oman Air and Air China, as they are both options that can get you from Thailand to London Heathrow Airport for a low price.

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

    The most popular flight routes from Thailand to London Heathrow Airport are Bangkok Suvarnabhumi - London Heathrow, Bangkok Don Mueang Intl - London Heathrow and Phuket City - London Heathrow.

  • What are the most reliable airlines from Thailand to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Thailand to London Heathrow Airport consider choosing EVA Air (85%), Thai Airways (85%) or Air Canada (85%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay £1,480 for a flight from Thailand to London Heathrow Airport. The cheapest flight overall is £300 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at £490.

  • 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, January is the cheapest month in which you can book a flight from Thailand to London Heathrow Airport (average of £112). Flying from Thailand to London Heathrow Airport in August is currently the most expensive (average of £163). 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
Deal
Hounslow
Milton Keynes
Croydon
Gatwick
Slough
Luton
Ilford
Hayes
Eastbourne
Swindon
Northampton
Wembley
Southend-on-Sea
Ipswich
Winchester
Maidstone
Crawley
Southall
Watford

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Alternative routes for Thailand to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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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 858,174 searches. Data last updated 22 February 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£426Average£537FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£516Average£578FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£523Average£578FlexibilityNo cancel feeOn-time67%
Search Air China flights
FinnairCheapest£544Average£686FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Malaysia AirlinesCheapest£563Average£621FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
SWISSCheapest£590Average£699FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapest£590Average£638FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Etihad AirwaysCheapest£592Average£718FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Kuwait AirwaysCheapest£598Average£633FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Austrian AirlinesCheapest£599Average£702FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines 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 helps you search for flights from Thailand to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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?

Certainly. Search results for flights to Heathrow from Thailand shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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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