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Cheap flights from Thailand to London Heathrow Airport from £180

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

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 30 October 2025.

Round-trip from

£510

One-way from

£180

Popular in

January

Cheapest in

November

Average price

£688

Good round-trip deal

£746 or less

Good one-way deal

£386 or less
Shenzhen Airlines
  • Shenzhen Airlines
  • 9/11-14/11
  • 2 total stops
  • 47h 10m total
  • Thailand to London
Search Deals
5/12
  • 5/12
  • 1 total stop
  • 28h 15m total
  • Thailand to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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

Enter your travel dates to find the best prices.

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 30 October 2025.

Tue 4/1102:55BKK - LHR
1 stop34h 45mMultiple Airlines
Wed 12/1121:10LHR - BKK
1 stop31h 00mMultiple Airlines
Deal found 26/10£509
Sun 9/1102:55BKK - LHR
1 stop16h 10mMultiple Airlines
Fri 14/1121:10LHR - BKK
1 stop31h 00mMultiple Airlines
Deal found 27/10£510
Mon 24/1115:45BKK - LHR
1 stop33h 50mChina Southern
Mon 1/1221:30LHR - BKK
2 stops37h 45mChina Southern
Deal found 27/10£512
Sat 15/1110:10BKK - LHR
1 stop16h 10mMultiple Airlines
Thu 12/306:40LHR - BKK
2 stops21h 55mMultiple Airlines
Deal found 27/10£513
Tue 4/1117:25BKK - LHR
1 stop22h 30mMultiple Airlines
Tue 11/1120:30LHR - BKK
1 stop27h 00mMultiple Airlines
Deal found 26/10£514
Thu 13/1112:45BKK - LHR
1 stop15h 55mMultiple Airlines
Wed 19/1108:45LHR - BKK
2 stops20h 20mMultiple Airlines
Deal found 27/10£515
Sun 9/1102:55BKK - LHR
1 stop34h 45mMultiple Airlines
Mon 17/1121:00LHR - BKK
1 stop38h 05mMultiple Airlines
Deal found 27/10£516
Sat 20/1209:25BKK - LHR
1 stop28h 15mMultiple Airlines
Sat 10/121:10LHR - BKK
1 stop22h 05mMultiple Airlines
Deal found 27/10£516
Wed 26/1101:55BKK - LHR
1 stop22h 35mMultiple Airlines
Mon 1/1221:00LHR - BKK
2 stops30h 05mMultiple Airlines
Deal found 28/10£518
Wed 29/1010:10BKK - LHR
1 stop16h 10mMultiple Airlines
Sun 2/1121:15LHR - BKK
1 stop37h 50mMultiple Airlines
Deal found 28/10£519
Thu 27/1108:55BKK - LHR
1 stop16h 15mMultiple Airlines
Wed 31/1206:30LHR - BKK
3 stops31h 35mMultiple Airlines
Deal found 27/10£520
Thu 6/1119:10BKK - LHR
2 stops29h 25mHainan Airlines
Sun 9/1121:15LHR - BKK
1 stop29h 50mHainan Airlines
Deal found 28/10£520

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 30 October 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

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 7/12

15:20-07:30

1 stop23h 10m

London Heathrow

Mon 9/2

10:00-13:40

1 stop20h 40m

£526

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 7/12

15:20-07:30

1 stop23h 10m

London Heathrow

Wed 11/2

10:00-13:40

1 stop20h 40m

£526

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 4/12

15:20-07:30

1 stop23h 10m

London Heathrow

Wed 11/2

10:00-13:40

1 stop20h 40m

£538

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Wed 26/11

18:25-15:55

1 stop28h 30m

London Heathrow

Wed 3/12

20:25-16:30

1 stop37h 05m

£551

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 4/12

15:20-07:30

1 stop23h 10m

London Heathrow

Sat 14/2

10:00-13:40

1 stop20h 40m

£560

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 1/12

01:15-12:15

1 stop18h 00m

London Heathrow

Thu 19/3

22:05-23:30

1 stop18h 25m

£570

Phuket CityLondon

HKT - LHR

HKTLHR

Phuket City

Wed 26/11

11:05-15:05

2 stops35h 00m

London Heathrow

Wed 3/12

08:45-08:05

1 stop16h 20m

£577

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Fri 28/11

21:45-18:35

2 stops27h 50m

London Heathrow

Tue 2/12

22:00-22:50

1 stop17h 50m

£588

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 15/2

02:55-12:05

1 stop16h 10m

London Heathrow

Mon 23/2

08:50-23:20

1 stop31h 30m

£591

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 12/12

15:00-15:15

1 stop31h 15m

London Heathrow

Wed 31/12

16:15-13:15

1 stop38h 00m

£596

Flights are sorted by cheapest return flights first.

Deals found on 29/10

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, March is the cheapest month in which you can book a flight from Thailand to London Heathrow Airport (average of £309). Flying from Thailand to London Heathrow Airport in January is currently the most expensive (average of £616). 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 30 October 2025.

When flying from Thailand to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 12% versus a flight in the evening.

What is the cheapest day to fly from Thailand to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Thailand to Heathrow. Price data was last updated on 26 October 2025.

Travellers seeking maximum savings on their Thailand to London Heathrow Airport flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 30 October 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 30 October 2025.
Check out reviews from past customers who have flown with EVA Air, Emirates, andThai Airways from Thailand to London Heathrow Airport to help guide your decision. 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
1,265 reviews
Check prices

Overall

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
EVA Air
8.4
Very Good
1,265 reviews
EVA Air
8.4
Very Good
1,265 reviews
Check prices

Overall

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Emirates
8.1
Very Good
3,394 reviews
EVA Air
8.4
Very Good
1,265 reviews
Check prices

Overall

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Thai Airways
7.8
Good
361 reviews
EVA Air
8.4
Very Good
1,265 reviews
Check prices

Overall

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Qatar Airways
7.4
Good
3,659 reviews
EVA Air
8.4
Very Good
1,265 reviews
Check prices

Overall

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Etihad Airways
7.4
Good
1,283 reviews
EVA Air
8.4
Very Good
1,265 reviews
Check prices

Overall

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

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.

  • How long is the flight from Thailand to London Heathrow Airport?

    For as low as £526, SAUDIA can have you in London Heathrow Airport from Thailand in 23h 10m. Thailand and London Heathrow Airport are separated by a distance of 5947 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Etihad Airways, with whom users have recently found tickets for as low as £188. However, be on the lookout for offers from Hainan Airlines and IndiGo, 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 Chiang Mai - 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 (86%), Thai Airways (76%) or EVA Air (72%) 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 £1,238 for a flight from Thailand to London Heathrow Airport. The cheapest flight overall is £336 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at £450.

  • 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, March is the cheapest month in which you can book a flight from Thailand to London Heathrow Airport (average of £309). Flying from Thailand to London Heathrow Airport in January is currently the most expensive (average of £616). 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
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Swindon
Crawley
Romford
Brentford
Ipswich

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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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£241Average£526FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air IndiaCheapest£353Average£661FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Austrian AirlinesCheapest£460Average£678FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
SAUDIACheapest£482Average£562FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
China EasternCheapest£508Average£586FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Kuwait AirwaysCheapest£519Average£596FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Air ChinaCheapest£519Average£558FlexibilityNo cancel feeOn-time67%
Search Air China flights
Turkish AirlinesCheapest£564Average£594FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
SWISSCheapest£567Average£712FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Malaysia AirlinesCheapest£568Average£591FlexibilityNo cancel feeOn-time67%
Search Malaysia 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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