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

Return flights

20 Apr - 09 May	Air China
22 Apr - 17 May	Air China
21 Apr - 22 May	Air China
23 Apr - 21 May	Air China
21 Apr - 09 May	Air China
23 Apr - 09 May	Air China
10 Apr - 18 May	Norwegian
21 Apr - 26 May	Air China
19 Apr - 12 May	Air China
23 Apr - 10 May	Air China
10 Apr - 23 Apr	Norwegian
10 Apr - 29 Apr	Norwegian
10 Apr - 26 Apr	Norwegian
08 Apr - 23 Apr	China Eastern
08 Apr - 25 Apr	China Eastern
08 Apr - 30 Apr	China Eastern
07 Apr - 29 Apr	China Eastern
10 Apr - 22 Apr	Norwegian
07 Apr - 21 Apr	China Eastern
07 Apr - 25 Apr	China Eastern

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 465€

Return flights