AirHint found the following cheapest return flights from Bangkok (BKK) to London (STN) in April 2026 (see full year).

Return flights

29 Apr - 30 May	Thai VietJet Air
17 Apr - 30 Apr	IndiGo
23 Apr - 20 May	Etihad Airways
02 Apr - 07 Apr	Norse Atlantic Airways
22 Apr - 07 May	IndiGo
03 Apr - 10 Apr	Scoot
01 Apr - 30 Apr	Thai VietJet Air
01 Apr - 05 Apr	Thai AirAsia
24 Apr - 01 May	IndiGo
04 Apr - 19 Apr	AirAsia
04 Apr - 09 May	AirAsia
20 Apr - 29 Apr	IndiGo
06 Apr - 18 Apr	Thai VietJet Air
06 Apr - 15 Apr	Thai VietJet Air
25 Apr - 06 May	Etihad Airways
24 Apr - 28 Apr	IndiGo
23 Apr - 05 May	IndiGo
21 Apr - 19 May	Emirates
30 Apr - 05 May	Emirates
28 Apr - 05 May	Emirates

Also check the deals for one-way flights from Bangkok to London in April.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Bangkok to London in April from $672

Return flights