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

Return flights

20 Aug - 31 Aug	China Southern
06 Aug - 14 Aug	China Southern
03 Aug - 18 Aug	China Southern
07 Aug - 24 Aug	China Southern
01 Aug - 08 Aug	Oman Air
19 Aug - 26 Aug	Thai AirAsia
04 Aug - 11 Aug	Air India
08 Aug - 11 Aug	Air India
02 Aug - 16 Aug	Air India
14 Aug - 21 Aug	Air India
29 Aug - 05 Sep	Scoot Tigerair
11 Aug - 01 Sep	Etihad Airways
28 Aug - 04 Sep	Thai VietJet Air
31 Aug - 09 Sep	Qatar Airways
31 Aug - 12 Sep	Air India

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Phuket to London in August from $704

Return flights