Flights from Bangkok to London Heathrow

Trip type

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
16/04/26
1 Stopover (HAK)
HU0722, HU7963
30h 10min
Return
-
Hainan Airlines
£261
Bangkok
London Heathrow
Outbound
31/03/26
1 Stopover (HAK)
HU0722, HU7911
30h 10min
Return
21/04/26
2 Stopovers (DUB, AUH)
BA0824, EY0048, EY0406
29h 50min
Hainan Airlines
£444
Best option
Bangkok
London Heathrow
Outbound
07/06/26
1 Stopover (AUH)
EY0405, EY0061
21h 55min
Return
28/06/26
1 Stopover (BOM)
AI0130, AI2337
16h 15min
Etihad Airways
£528
Bangkok
London Heathrow
Outbound
25/05/26
1 Stopover (CAN)
CZ0358, CZ0303
37h 40min
Return
07/06/26
1 Stopover (PEK)
CA0856, CA0979
19h 30min
China Southern Airlines
£474
Bangkok
London Heathrow
Outbound
25/05/26
1 Stopover (CAN)
CZ0358, CZ0303
37h 40min
Return
07/06/26
1 Stopover (PEK)
CA0856, CA0979
19h 30min
China Southern Airlines
£481
Bangkok
London Heathrow
Outbound
31/03/26
1 Stopover (CAN)
CZ0364, CZ0303
30h 00min
Return
21/04/26
2 Stopovers (ATH, SIN)
A30609, TR0051, TR0614
41h 40min
China Southern Airlines ?
£509
Bangkok
London Heathrow
Outbound
31/03/26
1 Stopover (HAK)
HU0722, HU7911
30h 10min
Return
21/04/26
1 Stopover (PEK)
CA0856, CA0959
37h 40min
Hainan Airlines ?
£510
Bangkok
London Heathrow
Outbound
05/06/26
1 Stopover (AUH)
EY0405, EY0065
30h 10min
Return
28/06/26
1 Stopover (BOM)
AI0128, AI2354
19h 05min
Etihad Airways
£518
Bangkok
London Heathrow
Outbound
25/05/26
1 Stopover (MCT)
WY0816, WY0101
30h 00min
Return
07/06/26
1 Stopover (MCT)
WY0102, WY0817
28h 00min
Oman Air
£523
Bangkok
London Heathrow
Outbound
05/06/26
1 Stopover (AUH)
EY0405, EY0065
30h 10min
Return
28/06/26
1 Stopover (BOM)
AI0130, AI2337
16h 15min
Etihad Airways
£530
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

Cheapest outbound flight from 260,40 £
Outbound and return from 443,30 £
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