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

Return flights

20 Apr - 20 May	Air China
16 Apr - 15 May	Air China
19 Apr - 21 May	Air China
22 Apr - 23 May	Air China
23 Apr - 13 May	Air China
22 Apr - 13 May	Air China
12 Apr - 10 May	Air China
15 Apr - 11 May	Air China
16 Apr - 13 May	Air China
23 Apr - 15 May	Air China
06 Apr - 09 Apr	Air China
09 Apr - 27 Apr	Air China
10 Apr - 25 Apr	Air China
10 Apr - 30 Apr	Air China
21 Apr - 28 Apr	Wizz Air UK
11 Apr - 30 Apr	Norse Atlantic Airways (UK)
11 Apr - 21 Apr	easyJet
13 Apr - 30 Apr	Wizz Air Malta
23 Apr - 30 Apr	easyJet
11 Apr - 23 Apr	Norwegian Air Sweden AOC

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 441€

Return flights