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

Return flights

14 Jan - 22 Jan	Ryanair
14 Jan - 21 Jan	Ryanair
19 Jan - 24 Jan	Ryanair
24 Jan - 31 Jan	Ryanair
15 Jan - 22 Jan	Ryanair
29 Jan - 26 Feb	Ryanair
09 Jan - 22 Jan	Ryanair
12 Jan - 22 Jan	Ryanair
17 Jan - 04 Feb	Ryanair
07 Jan - 22 Jan	AJet
14 Jan - 24 Jan	Ryanair
28 Jan - 04 Feb	Ryanair
06 Jan - 22 Jan	Pegasus Airlines
30 Jan - 27 Feb	Ryanair
16 Jan - 08 Feb	Royal Jordanian
16 Jan - 01 Feb	Royal Jordanian
06 Jan - 04 Feb	Ryanair
16 Jan - 06 Feb	Royal Jordanian
30 Jan - 13 Feb	Royal Jordanian
23 Jan - 01 Feb	Royal Jordanian

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 542€

Return flights