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

Return flights

01 Jun - 13 Jun	Thai AirAsia
01 Jun - 08 Jun	Qatar Airways
14 Jun - 21 Jun	Air China
26 Jun - 04 Jul	British Airways	direct
15 Jun - 22 Jun	Air China
12 Jun - 19 Jun	Air China
24 Jun - 05 Jul	Air China
26 Jun - 11 Jul	British Airways	direct
04 Jun - 08 Jun	Emirates
25 Jun - 30 Jun	Emirates
13 Jun - 20 Jun	Emirates
10 Jun - 17 Jun	Air China
25 Jun - 04 Jul	Emirates
25 Jun - 02 Jul	Emirates
17 Jun - 29 Jun	British Airways
24 Jun - 08 Jul	British Airways
30 Jun - 04 Jul	British Airways
30 Jun - 10 Jul	Emirates

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

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 Bangkok to London in June from 634€

Return flights