Business class flights from London to Bangkok from $1,515 LCY, LGW, LHR, LTN, SEN, STN → BKK, DMK
London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN), Stansted Airport (STN) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)
The cheapest business class return found recently is $2,326 with China Southern Airlines, 18 Nov – 2 Dec, found 2 days ago.
Business class return
The cheapest business class return fare on each of 5 departure dates is usually $2,298 to $2,666.
Business
The lowest business fare we have seen is $2,175, across 5 departure dates.
6 Feb 2027 – 1 Mar 2027 · LHR → BKK · Air India
out 1 stop, back 1 stop · via DEL · overnight connection · 13 h connection
found 6 days ago
That business fare is 4.2 times the economy fare of $513.
We hold too few return dates with both a business class and an economy fare for the same trip to compare the two.
Every business class date we hold
5 business class fares; the cheapest on each of 5 departure dates.
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | Economy, same dates | |
|---|---|---|---|---|---|---|---|
| 18 Nov – 2 Dec | $2,326 | China Southern Airlines | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 2 days ago | $609 | See prices for these dates |
| 26 Nov – 30 Nov | $2,298 | China Southern Airlines | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 4 days ago | None held | See prices for these dates |
| 4 Dec – 14 Dec | $2,666 | Air China | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | None held | See prices for these dates |
| 17 Dec – 4 Jan 2027 | $3,391 | China Eastern | London Gatwick Airport (LGW) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | None held | See prices for these dates |
| 6 Feb 2027 – 1 Mar 2027 | $2,175 | Air India | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | None held | See prices for these dates |
Business class one-way
The cheapest business class one-way fare on each of 9 departure dates is usually $1,945 to $2,148.
Business
The lowest business fare we have seen is $1,515, across 9 departure dates.
6 Dec · LHR → BKK · Air India
1 stop · via DEL · overnight connection · 19 h connection
found 2 days ago
That business fare is 4.3 times the economy fare of $348.
We hold too few one-way dates with both a business class and an economy fare for the same trip to compare the two.
Every business class date we hold
11 business class fares; the cheapest on each of 9 departure dates.
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | Economy, same dates | |
|---|---|---|---|---|---|---|---|
| 14 Nov | $2,192 | Etihad Airways | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | 1 stop | found 4 days ago | None held | See prices for these dates |
| 26 Nov | $1,945 | Etihad Airways | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | 1 stop | found 19 hours ago | None held | See prices for these dates |
| 4 Dec | $1,909 | Egyptair | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | 3 stops | found yesterday | None held | See prices for these dates |
| 6 Dec | $1,515 | Air India | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | 1 stop | found 2 days ago | None held | See prices for these dates |
| 11 Dec | $2,150 | THAI Airways | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | 1 stop | found 5 days ago | None held | See prices for these dates |
| 12 Dec | $2,137 | Air China | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | 3 stops | found 7 days ago | None held | See prices for these dates |
| 13 Dec | $2,148 | Turkish Airlines | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | 3 stops | found 7 days ago | None held | See prices for these dates |
| 14 Dec | $2,036 | THAI Airways | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | 2 stops | found 7 days ago | None held | See prices for these dates |
| 15 Dec | $2,121 | THAI Airways | London Heathrow Airport (LHR) → Suvarnabhumi Airport (BKK) | 1 stop | found 3 days ago | None held | See prices for these dates |
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work