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

Return flights

04 Jun - 20 Jun	Air China
10 Jun - 19 Jun	Air China
04 Jun - 11 Jun	Air China
10 Jun - 18 Jun	Air China
03 Jun - 12 Jun	Air China
05 Jun - 14 Jun	Air China
09 Jun - 23 Jun	Air China
11 Jun - 19 Jun	Air China
15 Jun - 24 Jun	Air China
11 Jun - 18 Jun	Air China
15 Jun - 01 Jul	Air China
10 Jun - 07 Jul	Air China
04 Jun - 05 Jul	Air China
18 Jun - 02 Jul	Air China
15 Jun - 04 Jul	Air China
07 Jun - 02 Jul	Air China
15 Jun - 15 Jul	Qatar Airways
23 Jun - 07 Jul	Qatar Airways
24 Jun - 08 Jul	Qatar Airways
22 Jun - 13 Jul	Qatar Airways

Also check the deals for one-way flights from London to Bangkok 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 London to Bangkok in June from 504€

Return flights