AirHint found the following cheapest one-way flights from Bangkok (BKK) to London (LHR) in April 2026 (see full year).

One-Way flights

20 Apr	Malaysia Airlines
19 Apr	Malaysia Airlines
25 Apr	Malaysia Airlines
04 Apr	Malaysia Airlines
24 Apr	Malaysia Airlines
22 Apr	Malaysia Airlines
30 Apr	Malaysia Airlines
16 Apr	Oman Air
15 Apr	Oman Air
14 Apr	Air India

Also check the deals for return flights from Bangkok to London 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 London

Cheap car rent in London

Cheapest one-way flights from Bangkok to London in April from $322

One-Way flights