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Cheap flights from Thailand to London Heathrow Airport from £179

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
4 May — 11 May1
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 29 April 2025.

Round-trip from

£248

One-way from

£179

Popular in

January

Cheapest in

October

Average price

£752

Good round-trip deal

£719 or less

Good one-way deal

£288 or less
China Eastern
  • China Eastern
  • 17/6-15/7
  • 2 total stops
  • 58h 10m total
  • Thailand to London
Search Deals
Oman Air
  • Oman Air
  • 13/5
  • 1 total stop
  • 28h 50m total
  • Thailand to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£35 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 April 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 29 April 2025.

Tue 17/623:15CNX - LHR
1 stop24h 05mMultiple Airlines
Tue 15/721:20LHR - CNX
1 stop34h 05mMultiple Airlines
Deal found 29/4£248
Thu 12/611:30CNX - LHR
1 stop37h 30mChina Southern
Thu 19/621:00LHR - CNX
2 stops31h 25mChina Southern
Deal found 28/4£495
Thu 12/616:40HKT - LHR
1 stop32h 20mChina Southern
Thu 19/622:10LHR - HKT
1 stop35h 30mChina Southern
Deal found 27/4£499
Fri 6/619:35BKK - LHR
1 stop28h 10mMultiple Airlines
Fri 27/622:05LHR - BKK
1 stop22h 10mMultiple Airlines
Deal found 29/4£558
Fri 13/603:00BKK - LHR
2 stops43h 15mChina Southern
Sun 29/622:10LHR - BKK
1 stop21h 20mChina Southern
Deal found 28/4£563
Mon 9/619:25HKT - LHR
1 stop28h 20mAir China
Fri 20/620:25LHR - HKT
1 stop39h 20mAir China
Deal found 29/4£564
Wed 14/502:10BKK - LHR
1 stop22h 30mChina Eastern
Wed 28/521:20LHR - BKK
1 stop17h 35mChina Eastern
Deal found 29/4£566
Sat 10/519:30BKK - LHR
1 stop30h 30mShenzhen Airlines
Wed 12/1121:10LHR - BKK
1 stop31h 00mShenzhen Airlines
Deal found 28/4£570
Thu 15/515:30DMK - LHR
2 stops23h 10mMultiple Airlines
Wed 28/515:30LHR - DMK
2 stops24h 30mMultiple Airlines
Deal found 28/4£570
Wed 14/501:30BKK - LHR
1 stop22h 15mAir China
Wed 28/522:40LHR - BKK
1 stop19h 30mAir China
Deal found 28/4£581
Wed 11/600:55HKT - LHR
1 stop20h 20mEtihad Airways
Thu 19/620:55LHR - HKT
1 stop20h 40mEtihad Airways
Deal found 27/4£582
Wed 21/512:05BKK - LHR
1 stop14h 50mKLM
Tue 3/611:45LHR - BKK
1 stop15h 45mKLM
Deal found 28/4£588

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 858,174 searches. Data last updated 29 April 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

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 17/6

23:15-17:20

1 stop24h 05m

London Heathrow

Tue 15/7

21:20-13:25

1 stop34h 05m

£248

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 12/6

11:30-19:00

1 stop37h 30m

London Heathrow

Thu 19/6

21:00-10:25

2 stops31h 25m

£495

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Thu 12/6

16:40-19:00

1 stop32h 20m

London Heathrow

Thu 19/6

22:10-15:40

1 stop35h 30m

£499

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 6/6

19:35-17:45

1 stop28h 10m

London Heathrow

Fri 27/6

22:05-02:15

1 stop22h 10m

£558

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Mon 9/6

19:25-17:45

1 stop28h 20m

London Heathrow

Fri 20/6

20:25-17:45

1 stop39h 20m

£564

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 14/5

02:10-18:40

1 stop22h 30m

London Heathrow

Wed 28/5

21:20-20:55

1 stop17h 35m

£566

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 10/5

19:30-20:00

1 stop30h 30m

London Heathrow

Wed 12/11

21:10-11:10

1 stop31h 00m

£570

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 27/5

01:30-20:30

1 stop25h 00m

London Heathrow

Tue 17/6

20:25-00:10

1 stop21h 45m

£580

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Wed 11/6

00:55-15:15

1 stop20h 20m

London Heathrow

Thu 19/6

20:55-23:35

1 stop20h 40m

£582

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 21/5

12:05-20:55

1 stop14h 50m

London Heathrow

Tue 3/6

11:45-09:30

1 stop15h 45m

£588

Flights are sorted by cheapest return flights first.

Deals found on 28/4

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, 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 £164). 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 29 April 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 29 April 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 29 April 2025.
Read reviews from past customers who have flown EVA Air, China Airlines and Asiana 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
1,186 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very Good
1,186 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
China Airlines
8.3
Very Good
729 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Asiana Airlines
8.2
Very Good
442 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Hainan Airlines
8.1
Very Good
38 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Comfort

8.3

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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 Oman Air, with whom users have recently found tickets for as low as £179. However, be on the lookout for offers from China Southern and Hainan Airlines, 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 Air Canada (75%), Thai Airways (73%) or EVA Air (71%) 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 £1,396 for a flight from Thailand to London Heathrow Airport. The cheapest flight overall is £279 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at £443.

  • 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 £164). 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
Gatwick
Luton
Slough
Croydon
Eastbourne
Northampton
Ilford
Hayes
Southend-on-Sea
Crawley
Wembley
Ipswich
Maidstone
Winchester
Swindon
Folkestone
Dartford

Browse thousands of different options on Cheapflights for your next trip

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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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£403Average£491FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£488Average£538FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£506Average£578FlexibilityNo cancel feeOn-time67%
Search Air China flights
FinnairCheapest£515Average£654FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Malaysia AirlinesCheapest£533Average£588FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
SWISSCheapest£558Average£649FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapest£559Average£604FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Austrian AirlinesCheapest£560Average£673FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Kuwait AirwaysCheapest£566Average£603FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Vietnam AirlinesCheapest£576Average£596FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights

Fly with Cheapflights

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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.

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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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