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Cheap flights from Thailand to London Heathrow Airport from £211

BKK — LHR
27 Sep — 4 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thailand to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Thailand to Heathrow

Sun 11/1015:20 -
1 stop29h 45m
Sun 18/1006:00 -
2 stops19h 55m
Deal found 27/8£537
Sat 10/1015:20 -
1 stop29h 45m
Sat 17/1012:15 -
2 stops23h 25m
Deal found 26/8£541
Mon 12/1003:20 -
1 stop17h 45m
Sat 31/1021:35 -
1 stop32h 10m
Deal found 24/8£545
Sun 18/1003:20 -
1 stop17h 45m
Sat 31/1021:35 -
1 stop32h 10m
Deal found 27/8£545
Wed 14/1011:05 -
1 stop37h 05m
Wed 11/1120:25 -
1 stop17h 55m
Deal found 27/8£550
Wed 14/1012:20 -
1 stop35h 25m
Mon 16/1109:55 -
2 stops23h 35m
Deal found 28/8£558
Mon 19/1022:55 -
1 stop24h 50m
Wed 4/1121:00 -
1 stop18h 45m
Deal found 26/8£559
Wed 4/1107:30 -
2 stops20h 50m
Mon 16/1117:40 -
1 stop20h 40m
Deal found 28/8£561
Thu 15/1022:55 -
1 stop24h 50m
Mon 16/1109:55 -
2 stops28h 25m
Deal found 28/8£564
Thu 31/1211:10 -
1 stop37h 35m
Sun 3/117:40 -
1 stop21h 55m
Deal found 28/8£579
Sun 6/911:05 -
2 stops38h 25m
Sun 27/922:10 -
1 stop21h 20m
Deal found 27/8£581
Sun 13/920:20 -
1 stop19h 55m
Sun 20/913:15 -
1 stop21h 40m
Deal found 28/8£584

Find flight deals from Thailand to Heathrow

Round-trip from

£537

One-way from

£211

Popular in

July

Cheapest in

November

Average price

£742

Good round-trip deal

£747 or less

Good one-way deal

£347 or less
11/10-18/10
  • 11/10-18/10
  • 3 total stops
  • 49h 40m total
  • Thailand to London
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Etihad Airways
  • Etihad Airways
  • 16/11
  • 1 total stop
  • 28h 30m total
  • Thailand to London
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Highest demand for flights based on searches. 5% potential increase in price (£32 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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Price to beat on a round-trip flight from Thailand to London Heathrow.
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Price to beat on a one-way flight from Thailand to London Heathrow.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Thailand to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Phuket CityLondon

HKT Phuket City - LHR London Heathrow

HKTLHR

Phuket City

Wed 7/10

22:55-17:45

1 stop24h 50m

London Heathrow

Wed 14/10

20:10-21:55

1 stop19h 45m

£579

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Sun 20/9

10:10-12:45

2 stops32h 35m

London Heathrow

Sun 27/9

21:20-08:10

2 stops28h 50m

£586

KrabiLondon

KBV Krabi - LHR London Heathrow

KBVLHR

Krabi

Wed 7/10

18:00-17:45

2 stops29h 45m

London Heathrow

Wed 14/10

09:35-17:25

2 stops25h 50m

£615

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Wed 11/11

09:10-12:05

1 stop33h 55m

London Heathrow

Sun 15/11

13:55-06:05

1 stop33h 10m

£623

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Sun 1/11

07:05-08:55

2 stops32h 50m

London Heathrow

Sat 7/11

21:00-14:20

1 stop34h 20m

£645

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Mon 12/10

23:05-17:40

1 stop24h 35m

London Heathrow

Mon 19/10

22:40-21:50

1 stop17h 10m

£648

Phuket CityLondon

HKT Phuket City - LHR London Heathrow

HKTLHR

Phuket City

Mon 21/9

03:20-15:05

1 stop17h 45m

London Heathrow

Thu 24/9

20:45-23:50

1 stop21h 05m

£654

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Mon 14/9

20:15-06:55

1 stop16h 40m

London Heathrow

Wed 30/9

10:00-09:45

1 stop17h 45m

£658

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Wed 2/12

19:10-18:25

1 stop30h 15m

London Heathrow

Tue 25/5

08:25-17:45

1 stop27h 20m

£666

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Mon 12/10

23:05-20:25

1 stop27h 20m

London Heathrow

Mon 19/10

21:45-11:15

2 stops31h 30m

£667

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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, November is the cheapest month in which you can book a flight from Thailand to London Heathrow Airport (average of £671). Flying from Thailand to London Heathrow Airport in August is currently the most expensive (average of £850). 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?

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

The most flights from TH0 to LHR are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

How often are flights from Thailand to London delayed?

About 10% of weekly flights between Thailand and London have experienced delays in the past year, with the average delay time being 97 minutes.

What is the most punctual flight time for Thailand to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Thailand to London flights?

Over the past year, Thai Airways have had the lowest number of delays on this route, with just 9% of flights being delayed.

How far ahead should I book a flight from Thailand to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from Thailand to London Heathrow Airport, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with EVA Air,Emirates, andOman Air 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
8.5
Very Good
1,522 reviews
Check prices

Entertainment

8.0

Boarding

8.5

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
EVA Air
8.5
Very Good
1,522 reviews
EVA Air
8.5
Very Good
1,522 reviews
Check prices

Entertainment

8.0

Boarding

8.5

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
Emirates
8.1
Very Good
3,655 reviews
EVA Air
8.5
Very Good
1,522 reviews
Check prices

Entertainment

8.0

Boarding

8.5

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
Oman Air
8.0
Very Good
138 reviews
EVA Air
8.5
Very Good
1,522 reviews
Check prices

Entertainment

8.0

Boarding

8.5

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
Thai Airways
7.9
Good
417 reviews
EVA Air
8.5
Very Good
1,522 reviews
Check prices

Entertainment

8.0

Boarding

8.5

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
Etihad Airways
7.3
Good
1,522 reviews
EVA Air
8.5
Very Good
1,522 reviews
Check prices

Entertainment

8.0

Boarding

8.5

Food

8.1

Comfort

8.3

Crew

8.7

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!

Related info for your journey

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

    For as low as £658, IndiGo can have you in London Heathrow Airport from Thailand in 16h 40m. 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 £110. However, be on the lookout for offers from Norse Atlantic UK and Scandinavian 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 (97%), TAP AIR PORTUGAL (97%) or Thai Airways (91%) 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 £1,051 for a flight from Thailand to London Heathrow Airport. The cheapest flight overall is £319 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at £472.

  • 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, November is the cheapest month in which you can book a flight from Thailand to London Heathrow Airport (average of £671). Flying from Thailand to London Heathrow Airport in August is currently the most expensive (average of £850). 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
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Northampton
Colchester
Eastbourne
Brentford
Barnet
Southall
Southend-on-Sea
Salisbury
Enfield
Kingston upon Thames
Watford

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Thailand to Heathrow

AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£200Average£535FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Oman AirCheapest£283Average£561FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Etihad AirwaysCheapest£394Average£651FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
SAUDIACheapest£481Average£547FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Air ChinaCheapest£505Average£543FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£511Average£606FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Qatar AirwaysCheapest£539Average£690FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Thai AirwaysCheapest£584Average£898FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Gulf AirCheapest£611Average£641FlexibilityNo cancel feeOn-time67%
Search Gulf Air flights
EmiratesCheapest£645Average£706FlexibilityNo cancel feeOn-time75%
Search Emirates flights

Fly with Cheapflights

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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