Cheapest return flights from London to Bangkok in April from 663€

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

Return flights

22 Apr - 10 May SWISS
21 Apr - 28 Apr British Airways
22 Apr - 06 May British Airways
22 Apr - 05 May SWISS
08 Apr - 28 Apr ITA Airways
23 Apr - 12 May KLM
23 Apr - 07 May KLM
23 Apr - 05 May KLM
23 Apr - 14 May KLM
20 Apr - 27 Apr British Airways
21 Apr - 17 May KLM
10 Apr - 01 May KLM
23 Apr - 17 May KLM
14 Apr - 29 Apr KLM
07 Apr - 22 Apr ITA Airways
22 Apr - 28 Apr SWISS
17 Apr - 24 Apr ITA Airways
19 Apr - 26 Apr ITA Airways
01 Apr - 10 Apr ITA Airways
13 Apr - 28 Apr ITA Airways

Also check the deals for one-way flights from London to Bangkok in April.

Powered by

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

Feel free to contact us with any feedback or request another flight research.