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
10/25/25
1 Stopover (RUH)
SV0847, SV0111
23h 05min
Return
11/15/25
1 Stopover (RUH)
SV0110, SV0846
20h 40min
Saudi Arabian Airlines ?
$718
Bangkok
London Heathrow
Outbound
10/25/25
1 Stopover (RUH)
SV0847, SV0111
23h 05min
Return
11/15/25
1 Stopover (RUH)
SV0110, SV0846
20h 40min
Saudi Arabian Airlines
$724
Best option
Bangkok
London Heathrow
Outbound
02/13/26
1 Stopover (AUH)
EY0401, EY0063
16h 10min
Return
02/26/26
1 Stopover (AUH)
EY0064, EY0404
14h 50min
Etihad Airways ?
$825
Bangkok
London Heathrow
Outbound
10/25/25
1 Stopover (RUH)
SV0847, SV0111
23h 05min
Return
11/15/25
1 Stopover (RUH)
SV0110, SV0846
20h 40min
Saudi Arabian Airlines
$729
Bangkok
London Heathrow
Outbound
11/09/25
1 Stopover (PVG)
MU8644, MU0551
31h 40min
Return
12/07/25
1 Stopover (PVG)
MU0552, MU0547
20h 55min
China Eastern Airlines ?
$751
Bangkok
London Heathrow
Outbound
11/09/25
1 Stopover (HAK)
HU7940, HU7963
37h 45min
Return
12/07/25
1 Stopover (PEK)
CA0856, CA0979
23h 30min
Hainan Airlines ?
$751
Bangkok
London Heathrow
Outbound
10/25/25
1 Stopover (RUH)
SV0847, SV0111
23h 05min
Return
11/15/25
1 Stopover (RUH)
SV0110, SV0846
20h 40min
Saudi Arabian Airlines ?
$764
Bangkok
London Heathrow
Outbound
02/13/26
2 Stopovers (DEL, IST)
6E1054, 6E0011, BA0677
30h 10min
Return
02/26/26
1 Stopover (ARN)
BA0784, N00191
32h 25min
IndiGo Airlines, British Airways ?
$766
Bangkok
London Heathrow
Outbound
10/25/25
1 Stopover (RUH)
SV0847, SV0111
23h 05min
Return
11/15/25
1 Stopover (RUH)
SV0110, SV0846
20h 40min
Saudi Arabian Airlines
$770
Bangkok
London Heathrow
Outbound
10/25/25
1 Stopover (PVG)
MU8644, MU0551
31h 40min
Return
11/15/25
1 Stopover (PVG)
MU0552, MU8607
21h 55min
China Eastern Airlines
$771
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

Favorite airline: Air China
The majority of passengers on the route Bangkok – London Heathrow prefer to fly with Air China.
Air China
67 %
Finnair
8 %
China Eastern
8 %
Favourite connection: via Chengdu Tianfu
The most popular route is via Chengdu Tianfu and is booked by 67 % of all travelers.
Route
bookings
1 stopover Chengdu Tianfu
31h 55min, from $ 673
67 %
1 stopover Beijing Capital International Airport
25h 15min, from $ 916
22 %
1 stopover Shanghai Pudong International Airport
22h 10min, from $ 773
11 %

Important flight information

Flight information: Bangkok - London Heathrow

Roundtrip from $ 717,10
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 International Airport (BKK)
Departure country Flights from Thailand
Arrival airport Airport London Heathrow (LHR)
Destination country Flights to United Kingdom
Alternative routes to United Kingdom
Flight destinations with a similar price
Flight destinations with a similar price