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

Return flights

12 May - 23 Jun	Scoot
05 May - 18 May	Scoot
28 May - 09 Jun	China Eastern
14 May - 28 May	China Eastern
31 May - 12 Jun	China Eastern
07 May - 17 May	Gulf Air
19 May - 25 May	Air China
13 May - 25 May	Air China
05 May - 11 May	Emirates
01 May - 09 May	Emirates
01 May - 15 May	Emirates
01 May - 10 May	Emirates
13 May - 23 May	Emirates
26 May - 10 Jun	British Airways
29 May - 05 Jun	British Airways

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

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 May from 584€

Return flights