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

Return flights

30 Dec - 26 Jan	Air China
30 Dec - 19 Jan	Air China
30 Dec - 21 Jan	Air China
30 Dec - 23 Jan	Air China
30 Dec - 22 Jan	Air China
30 Dec - 20 Jan	Air China
30 Dec - 30 Jan	Air China
30 Dec - 29 Jan	Air China
30 Dec - 25 Jan	Air China
30 Dec - 31 Jan	Air China
28 Dec - 30 Dec	LOT
29 Dec - 31 Dec	KLM
27 Dec - 30 Dec	Air China
27 Dec - 29 Dec	Air China
27 Dec - 31 Dec	Air China
30 Dec - 31 Dec	Air India

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.

Book a cheap hotel in Phuket

Cheap car rent in Phuket

Cheapest return flights from London to Phuket in December from 465€

Return flights