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

Return flights

06 Aug - 14 Aug	China Southern
20 Aug - 28 Aug	China Southern
07 Aug - 18 Aug	China Southern
03 Aug - 18 Aug	China Southern
08 Aug - 15 Aug	AirAsia
19 Aug - 26 Aug	IndiGo
26 Aug - 02 Sep	Thai VietJet Air
03 Aug - 10 Aug	Thai AirAsia
11 Aug - 18 Aug	China Eastern
01 Aug - 08 Aug	Thai AirAsia
07 Aug - 24 Aug	Scoot Tigerair
10 Aug - 01 Sep	IndiGo
28 Aug - 04 Sep	IndiGo
29 Aug - 05 Sep	Air India
19 Aug - 09 Sep	IndiGo
11 Aug - 01 Sep	Emirates
31 Aug - 12 Sep	IndiGo
27 Aug - 05 Sep	China Southern

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

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 Phuket to London in August from $691

Return flights