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

Return flights

29 Apr - 13 May	Air China
29 Apr - 10 May	Air China
20 Apr - 10 May	Air China
27 Apr - 11 May	Air China
21 Apr - 19 May	Air China
22 Apr - 13 May	Air China
22 Apr - 12 May	Air China
22 Apr - 10 May	Air China
26 Apr - 10 May	Air China
24 Apr - 18 May	Air China
07 Apr - 29 Apr	China Southern
21 Apr - 29 Apr	China Southern
18 Apr - 20 Apr	Air Arabia
13 Apr - 23 Apr	Wizz Air UK
13 Apr - 27 Apr	Wizz Air UK
06 Apr - 26 Apr	China Eastern
21 Apr - 30 Apr	China Eastern
06 Apr - 22 Apr	China Eastern
22 Apr - 27 Apr	China Eastern
06 Apr - 23 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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from London to Bangkok in April from 394€

Return flights