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

Return flights

06 May - 14 May	Pegasus Airlines
10 May - 20 May	Pegasus Airlines
06 May - 06 Jun	Pegasus Airlines
18 May - 05 Jun	Ryanair
20 May - 10 Jun	Ryanair
27 May - 17 Jun	Ryanair
27 May - 07 Jun	Ryanair
16 May - 26 May	Ryanair
30 May - 13 Jun	Ryanair
30 May - 10 Jun	Ryanair
26 May - 13 Jun	Ryanair
26 May - 10 Jun	Ryanair
15 May - 07 Jun	Pegasus Airlines
09 May - 25 May	Ryanair
06 May - 22 May	Pegasus Airlines
18 May - 25 May	Ryanair
18 May - 26 May	Ryanair
15 May - 22 May	Pegasus Airlines
13 May - 26 May	Ryanair
12 May - 26 May	Ryanair

Also check the deals for one-way flights from London to Bangkok 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 London to Bangkok in May from $662

Return flights