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

Return flights

05 May - 12 May	Air Arabia
14 May - 28 May	Scoot
05 May - 26 May	Thai Lion Air
20 May - 30 May	Air Arabia
21 May - 15 Jun	China Eastern
07 May - 25 May	Scoot
03 May - 10 May	Thai Lion Air
14 May - 21 May	Scoot
03 May - 16 May	China Eastern
11 May - 18 May	Air China
23 May - 23 Jun	Air China
12 May - 26 May	Air China
28 May - 04 Jun	China Eastern
30 May - 11 Jun	China Eastern
28 May - 05 Jun	Gulf Air
26 May - 02 Jun	British Airways
28 May - 02 Jun	British Airways
01 May - 04 Jun	British Airways	direct
29 May - 11 Jun	Emirates

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 578€

Return flights