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

Return flights

04 Apr - 01 May	Wizz Air
10 Apr - 09 May	Wizz Air
21 Apr - 05 May	Wizz Air Malta
20 Apr - 27 Apr	Wizz Air UK
04 Apr - 19 Apr	Wizz Air
19 Apr - 04 May	Wizz Air Malta
23 Apr - 12 May	Ryanair
30 Apr - 15 May	Ryanair
15 Apr - 22 Apr	Ryanair
08 Apr - 22 Apr	Ryanair
11 Apr - 09 May	Ryanair
16 Apr - 27 Apr	Wizz Air Malta
10 Apr - 01 May	Wizz Air
04 Apr - 20 Apr	Wizz Air
10 Apr - 19 Apr	Wizz Air
23 Apr - 30 Apr	Ryanair
23 Apr - 09 May	Wizz Air UK
07 Apr - 07 May	Wizz Air Malta
09 Apr - 23 Apr	Ryanair
03 Apr - 19 Apr	Wizz Air

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 $734

Return flights