Find flights
Deals
When to book
Airlines
FAQs
English
Round-trip from | £510 |
---|---|
One-way from | £191 |
Popular in | January |
Cheapest in | October |
Average price | £666 |
Good round-trip deal | £648 or less |
Good one-way deal | £380 or less |
Fly from
Fly to
Route
Depart
Return
Price
Phuket CityLondon
HKT - LHR
HKTLHR
Phuket City
Sat 25/10
20:20-06:55
1 stop16h 35m
London Heathrow
Sat 1/11
21:35-12:50
1 stop32h 15m
Phuket CityLondon
HKT - LHR
HKTLHR
Phuket City
Sun 26/10
10:25-05:55
1 stop26h 30m
London Heathrow
Sun 2/11
13:55-23:35
1 stop26h 40m
Chiang MaiLondon
CNX - LHR
CNXLHR
Chiang Mai
Thu 5/3
08:50-18:10
1 stop16h 20m
London Heathrow
Sat 7/3
13:55-06:05
1 stop33h 10m
BangkokLondon
BKK - LHR
BKKLHR
Bangkok Suvarnabhumi
Mon 16/2
20:05-15:25
1 stop26h 20m
London Heathrow
Mon 23/2
10:25-16:05
1 stop22h 40m
Chiang MaiLondon
CNX - LHR
CNXLHR
Chiang Mai
Tue 3/3
14:50-15:25
1 stop31h 35m
London Heathrow
Fri 13/3
10:25-13:50
1 stop20h 25m
BangkokLondon
DMK - LHR
DMKLHR
Bangkok Don Mueang Intl
Sat 25/10
16:30-06:55
2 stops20h 25m
London Heathrow
Sun 2/11
22:00-02:20
1 stop21h 20m
Phuket CityLondon
HKT - LHR
HKTLHR
Phuket City
Sun 28/9
20:50-19:10
1 stop28h 20m
London Heathrow
Thu 2/10
20:35-19:10
1 stop16h 35m
KrabiLondon
KBV - LHR
KBVLHR
Krabi
Sun 26/10
20:40-06:40
1 stop17h 00m
London Heathrow
Sun 2/11
20:55-18:05
1 stop14h 10m
BangkokLondon
BKK - LHR
BKKLHR
Bangkok Suvarnabhumi
Tue 17/2
03:00-13:45
1 stop17h 45m
London Heathrow
Sun 22/2
10:45-10:05
1 stop16h 20m
Chiang MaiLondon
CNX - LHR
CNXLHR
Chiang Mai
Sat 25/10
14:40-16:25
1 stop31h 45m
London Heathrow
Sat 15/11
10:25-11:25
1 stop18h 00m
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.
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.
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).
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Anonymous,Aug 2025
BKK - TPE
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Anonymous,Aug 2025
BKK - TPE
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Anonymous,Aug 2025
BKK - TPE
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Anonymous,Aug 2025
BKK - TPE
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Anonymous,Aug 2025
BKK - TPE
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Anonymous,Aug 2025
BKK - TPE
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.
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.
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.
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!