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

Return flights

10 Apr - 05 May	Ryanair
30 Apr - 14 May	Ryanair
25 Apr - 05 May	Ryanair
19 Apr - 12 May	Ryanair
07 Apr - 12 May	Ryanair
01 Apr - 01 May	Ryanair
28 Apr - 05 May	Turkish Airlines
29 Apr - 13 May	Turkish Airlines
10 Apr - 24 Apr	Ryanair
24 Apr - 08 May	Ryanair
25 Apr - 24 May	Ryanair
12 Apr - 27 Apr	Ryanair
13 Apr - 29 Apr	Turkish Airlines
18 Apr - 28 Apr	Turkish Airlines
19 Apr - 28 Apr	Turkish Airlines
11 Apr - 27 Apr	Ryanair
08 Apr - 22 Apr	Ryanair
04 Apr - 12 Apr	Ryanair
05 Apr - 12 Apr	Ryanair
10 Apr - 17 Apr	Ryanair

Also check the deals for one-way flights from London to Bangkok 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 London to Bangkok in April from 539€

Return flights