Flights from Bangkok to London Heathrow

Our cheapest offers for flights from Bangkok to London Heathrow

Here you can compare cheap flights from Bangkok (BKK) to London Heathrow (LHR) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to London Heathrow. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Bangkok
London Heathrow
Outbound
13/10/25
1 Stopover (HAK)
HU7918, HU7963
24h 00min
Return
15/10/25
1 Stopover (HAK)
HU7912, HU7939
30h 00min
Hainan Airlines
£537
Best option
Bangkok
London Heathrow
Outbound
13/10/25
1 Stopover (HAK)
HU7918, HU7963
24h 00min
Return
15/10/25
1 Stopover (HAK)
HU7912, HU7917
20h 20min
Hainan Airlines
£538
Bangkok
London Heathrow
Outbound
13/10/25
1 Stopover (HAK)
HU7918, HU7963
24h 00min
Return
15/10/25
1 Stopover (HAK)
HU7912, HU7917
20h 20min
Hainan Airlines
£552
Bangkok
London Heathrow
Outbound
05/12/25
1 Stopover (JED)
SV0845, SV0119
27h 55min
Return
11/12/25
1 Stopover (JED)
SV0118, SV0848
21h 25min
Saudi Arabian Airlines
£574
Bangkok
London Heathrow
Outbound
13/10/25
1 Stopover (HAK)
HU7918, HU7963
24h 00min
Return
15/10/25
1 Stopover (HAK)
HU7912, HU7917
20h 20min
Hainan Airlines
£576
Bangkok
London Heathrow
Outbound
13/10/25
1 Stopover (HAK)
HU7918, HU7963
24h 00min
Return
15/10/25
1 Stopover (HAK)
HU7912, HU7917
20h 20min
Hainan Airlines
£577
Bangkok
London Heathrow
Outbound
13/10/25
1 Stopover (HAK)
HU7918, HU7963
24h 00min
Return
15/10/25
1 Stopover (HAK)
HU7912, HU7917
20h 20min
Hainan Airlines
£599
Bangkok
London Heathrow
Outbound
13/10/25
1 Stopover (HAK)
HU7918, HU7963
24h 00min
Return
15/10/25
1 Stopover (HAK)
HU7912, HU0721
38h 15min
Hainan Airlines ?
£604
Bangkok
London Heathrow
Outbound
08/12/25
1 Stopover (JED)
SV0845, SV0119
27h 55min
Return
24/12/25
1 Stopover (RUH)
SV0110, SV0846
20h 40min
Saudi Arabian Airlines
£612
Bangkok
London Heathrow
Outbound
08/12/25
1 Stopover (JED)
SV0845, SV0119
27h 55min
Return
24/12/25
1 Stopover (RUH)
SV0110, SV0846
20h 40min
Saudi Arabian Airlines
£623
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Bangkok to London Heathrow

Favourite airline: Air China
The most popular airline for flights from Bangkok to London Heathrow is Air China.
Air China
40 %
China Eastern
27 %
Shenzhen Airlines
7 %
Favourite connection: via Beijing International
Stopover flights on this route are especially popular via Beijing International, making up 50 % of bookings.
Route
bookings
1 stopover Beijing International
23h 20min, from 704 £
50 %
1 stopover Shanghai Pudong
39h 05min, from 582 £
40 %
1 stopover Shenzhen
23h 00min, from 673 £
10 %

Important flight information

Flight information: Bangkok - London Heathrow

Outbound and return from 536,41 £
Flight duration min. 13:05 / max. 13:15
Return flight duration min. 11:25/ max. 11:30
Distance 9588 km
Flights per week 32
Departure airport Airport Bangkok Suvarnabhumi (BKK)
Departure country Flights from Thailand
Arrival airport Airport London Heathrow (LHR)
Destination country Flights to United Kingdom
Alternative routes to United Kingdom
Popular destinations for onward travel
Flight destinations with a similar price