AirHint found the following cheapest return flights from London (STN) to Phuket (HKT) in December 2025 (see full year).

Return flights

05 Dec - 23 Dec	Pegasus Airlines
04 Dec - 23 Dec	Pegasus Airlines
04 Dec - 16 Dec	Pegasus Airlines
02 Dec - 09 Dec	Ryanair
02 Dec - 16 Dec	Ryanair
31 Dec - 27 Jan	AJet
03 Dec - 16 Dec	Ryanair
03 Dec - 09 Dec	Ryanair
02 Dec - 23 Dec	Ryanair
31 Dec - 26 Jan	AJet
04 Dec - 09 Dec	Pegasus Airlines
01 Dec - 16 Dec	Ryanair
31 Dec - 20 Jan	AJet
31 Dec - 31 Jan	AJet
31 Dec - 15 Jan	Pegasus Airlines
30 Dec - 24 Jan	AJet
05 Dec - 28 Jan	Ryanair
02 Dec - 30 Jan	Ryanair
30 Dec - 26 Jan	AJet
05 Dec - 29 Jan	Ryanair

Also check the deals for one-way flights from London to Phuket in December.

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 Phuket in December from 484€

Return flights