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

Return flights

25 Apr - 16 May	Wizz Air UK
25 Apr - 09 May	Wizz Air Malta
08 Apr - 13 May	Wizz Air UK
05 Apr - 15 Apr	Ryanair
06 Apr - 15 Apr	Wizz Air Malta
12 Apr - 10 May	Wizz Air Malta
07 Apr - 08 May	Ryanair
19 Apr - 09 May	easyJet
07 Apr - 13 Apr	Ryanair
06 Apr - 08 May	Wizz Air
09 Apr - 10 Apr	Wizz Air UK
04 Apr - 16 Apr	Ryanair
02 Apr - 06 Apr	Wizz Air UK
19 Apr - 10 May	easyJet
19 Apr - 11 May	easyJet
08 Apr - 15 Apr	easyJet
09 Apr - 13 Apr	Wizz Air UK
12 Apr - 19 Apr	easyJet
20 Apr - 08 May	easyJet
01 Apr - 02 Apr	easyJet

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 557€

Return flights