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

Return flights

26 Jan - 06 Feb	Ryanair
26 Jan - 07 Feb	Ryanair
29 Jan - 06 Feb	Ryanair
26 Jan - 25 Feb	Ryanair
30 Jan - 06 Feb	Ryanair
30 Jan - 11 Feb	Ryanair
11 Jan - 23 Jan	AJet
26 Jan - 10 Feb	Ryanair
27 Jan - 27 Feb	Pegasus Airlines
23 Jan - 02 Feb	Ryanair
23 Jan - 04 Feb	Ryanair
16 Jan - 28 Jan	Ryanair
09 Jan - 24 Jan	AJet
16 Jan - 25 Jan	Ryanair
26 Jan - 29 Jan	Ryanair
20 Jan - 23 Jan	Pegasus Airlines
20 Jan - 24 Jan	Pegasus Airlines
07 Jan - 24 Jan	AJet
12 Jan - 25 Jan	Ryanair
09 Jan - 23 Jan	Ryanair

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

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 January from 452€

Return flights