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Cheap flights from Thailand to London Heathrow Airport from £189

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
30 Mar — 6 Apr1
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 25 March 2025.

Round-trip from

£483

One-way from

£189

Popular in

January

Cheapest in

October

Average price

£708

Good round-trip deal

£742 or less

Good one-way deal

£298 or less
China Southern
  • China Southern
  • 12/5-19/5
  • 2 total stops
  • 63h 50m total
  • Thailand to London
Search Deals
Oman Air
  • Oman Air
  • 1/5
  • 1 total stop
  • 28h 20m total
  • Thailand to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£37 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 25 March 2025.

Mon 12/520:50HKT - LHR
1 stop28h 20mMultiple Airlines
Mon 19/522:10LHR - HKT
1 stop35h 30mMultiple Airlines
Deal found 25/3£483
Mon 12/516:40HKT - LHR
1 stop32h 20mChina Southern
Mon 19/521:00LHR - HKT
2 stops36h 40mChina Southern
Deal found 25/3£519
Mon 19/520:50HKT - LHR
1 stop28h 20mOman Air
Wed 21/520:50LHR - HKT
1 stop29h 10mOman Air
Deal found 24/3£581
Mon 12/518:50CNX - LHR
1 stop30h 10mChina Southern
Sat 31/521:00LHR - CNX
2 stops31h 25mChina Southern
Deal found 25/3£591
Sun 11/500:55HKT - LHR
1 stop23h 50mEtihad Airways
Mon 19/509:30LHR - HKT
1 stop16h 10mEtihad Airways
Deal found 25/3£599
Tue 13/517:25BKK - LHR
2 stops54h 40mChina Southern
Tue 20/522:10LHR - BKK
1 stop30h 10mChina Southern
Deal found 23/3£601
Sat 29/319:05BKK - LHR
1 stop29h 35mChina Eastern
Tue 6/521:20LHR - BKK
1 stop17h 35mChina Eastern
Deal found 24/3£601
Thu 3/412:50BKK - LHR
Nonstop12h 20mMultiple Airlines
Wed 30/422:10LHR - BKK
1 stop31h 30mMultiple Airlines
Deal found 24/3£604
Tue 8/421:40DMK - LHR
2 stops28h 20mMultiple Airlines
Wed 7/522:00LHR - DMK
2 stops21h 15mMultiple Airlines
Deal found 25/3£607
Sun 30/319:20BKK - LHR
1 stop30h 10mHainan Airlines
Fri 11/422:00LHR - BKK
1 stop38h 15mHainan Airlines
Deal found 25/3£607
Mon 12/514:55CNX - LHR
1 stop33h 45mChina Eastern
Sat 31/521:20LHR - CNX
1 stop34h 05mChina Eastern
Deal found 25/3£608
Sat 3/513:30BKK - LHR
2 stops22h 55mRoyal Brunei Airlines
Sun 18/517:15LHR - BKK
2 stops37h 25mRoyal Brunei Airlines
Deal found 25/3£611

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 25 March 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

Mon 12/5

20:50-19:10

1 stop28h 20m

London Heathrow

Mon 19/5

22:10-15:40

1 stop35h 30m

£483

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Mon 12/5

16:40-19:00

1 stop32h 20m

London Heathrow

Mon 19/5

21:00-15:40

2 stops36h 40m

£519

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Mon 19/5

20:50-19:10

1 stop28h 20m

London Heathrow

Wed 21/5

20:50-08:00

1 stop29h 10m

£581

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Sun 11/5

00:55-18:45

1 stop23h 50m

London Heathrow

Mon 19/5

09:30-07:40

1 stop16h 10m

£599

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 13/5

17:25-18:05

2 stops54h 40m

London Heathrow

Tue 20/5

22:10-10:20

1 stop30h 10m

£601

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 4/4

11:20-19:00

1 stop37h 40m

London Heathrow

Tue 29/4

17:50-00:10

2 stops24h 20m

£603

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 1/5

21:55-18:40

1 stop26h 45m

London Heathrow

Sun 21/9

21:20-21:55

1 stop18h 35m

£605

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Tue 8/4

21:40-20:00

2 stops28h 20m

London Heathrow

Wed 7/5

22:00-01:15

2 stops21h 15m

£607

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 3/5

13:30-06:25

2 stops22h 55m

London Heathrow

Sun 18/5

17:15-12:40

2 stops37h 25m

£611

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 4/6

22:45-20:50

1 stop28h 05m

London Heathrow

Wed 3/9

16:40-15:25

1 stop16h 45m

£613

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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 25 March 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.

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 25 March 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
1,171 reviews
Check prices

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very Good
1,171 reviews
EVA Air
8.4
Very Good
1,171 reviews
Check prices

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
China Airlines
8.2
Very Good
722 reviews
EVA Air
8.4
Very Good
1,171 reviews
Check prices

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Asiana Airlines
8.2
Very Good
441 reviews
EVA Air
8.4
Very Good
1,171 reviews
Check prices

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Emirates
8.0
Very Good
3,190 reviews
EVA Air
8.4
Very Good
1,171 reviews
Check prices

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 £189. However, be on the lookout for offers from China Southern and China Eastern, 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 (88%), Thai Airways (87%) or Air Canada (83%) 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 £1,638 for a flight from Thailand to London Heathrow Airport. The cheapest flight overall is £292 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at £491.

  • 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
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Luton
Slough
Eastbourne
Wembley
Northampton
Swindon
Hayes
Ilford
Crawley
Southend-on-Sea
Winchester
Maidstone
Ipswich
Watford
Southall

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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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£416Average£507FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£504Average£558FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£523Average£595FlexibilityNo cancel feeOn-time67%
Search Air China flights
FinnairCheapest£532Average£671FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Malaysia AirlinesCheapest£550Average£607FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
SWISSCheapest£577Average£682FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapest£577Average£635FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Austrian AirlinesCheapest£579Average£698FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Kuwait AirwaysCheapest£585Average£622FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Vietnam AirlinesCheapest£595Average£616FlexibilityNo cancel feeOn-time81%
Search Vietnam 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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