Flight Routes 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
Best option
Bangkok
London Heathrow
Outbound
06/10/26
1 Stopover (KWI)
KU0414, KU0101
18h 25min
Return
23/10/26
1 Stopover (KWI)
KU0104, KU0411
16h 35min
Kuwait Airways
£561
Bangkok
London Heathrow
Outbound
22/06/26
1 Stopover (DEL)
AI2303, AI2017
26h 35min
Return
24/06/26
1 Stopover (BOM)
AI0130, AI2354
34h 30min
Air India
£585
Bangkok
London Heathrow
Outbound
06/10/26
1 Stopover (KWI)
KU0414, KU0101
18h 25min
Return
23/10/26
1 Stopover (KWI)
KU0104, KU0411
16h 35min
Kuwait Airways ?
£581
Bangkok
London Heathrow
Outbound
22/06/26
1 Stopover (BOM)
6E1060, 6E0001
26h 10min
Return
24/06/26
1 Stopover (BAH)
GF0002, GF0152
17h 45min
IndiGo Airlines
£582
Bangkok
London Heathrow
Outbound
06/10/26
1 Stopover (KWI)
KU0414, KU0101
18h 25min
Return
23/10/26
1 Stopover (KWI)
KU0104, KU0411
16h 35min
Kuwait Airways
£584
Bangkok
London Heathrow
Outbound
22/06/26
1 Stopover (DEL)
AI2303, AI2017
26h 35min
Return
24/06/26
1 Stopover (BOM)
AI0130, AI2354
34h 30min
Air India
£590
Bangkok
London Heathrow
Outbound
22/06/26
1 Stopover (BOM)
AI2353, AI0131
34h 45min
Return
24/06/26
1 Stopover (BOM)
AI0128, AI2354
19h 05min
Air India
£592
Bangkok
London Heathrow
Outbound
22/06/26
1 Stopover (BOM)
AI2353, AI0129
25h 30min
Return
24/06/26
1 Stopover (BOM)
AI0130, AI2337
16h 15min
Air India
£605
Bangkok
London Heathrow
Outbound
22/06/26
1 Stopover (BOM)
AI2338, AI0129
19h 55min
Return
24/06/26
1 Stopover (BOM)
AI0130, AI2337
16h 15min
Air India
£607
Bangkok
London Heathrow
Outbound
29/07/26
1 Stopover (BOM)
6E1050, 6E0001
16h 15min
Return
18/08/26
1 Stopover (DEL)
AI0112, AI2332
21h 40min
IndiGo Airlines
£609
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 560,50 £
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
Departure country - Arrival airport Thailand - London Heathrow
Departure airport - Destination country Bangkok Suvarnabhumi - United Kingdom
Departure airport - City-Code Bangkok Suvarnabhumi - London
Alternative routes to United Kingdom
Popular destinations for onward travel
Flight destinations with a similar price