Cheapest one-way flights from Bangkok to London in September from $316

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

One-Way flights

23 Sep Thai Lion Air
12 Sep Thai Lion Air
25 Sep Thai Lion Air
24 Sep Thai Lion Air
07 Sep Malaysia Airlines
11 Sep Malaysia Airlines
18 Sep Malaysia Airlines
16 Sep Malaysia Airlines
13 Sep Oman Air
04 Sep Thai Lion Air

Also check the deals for return flights from Bangkok to London in September.

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 London

Cheap car rent in London

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