AirHint found the following cheapest return flights from London (LON) to Phuket (HKT) in September 2026 (see full year).

Return flights

18 Sep - 26 Sep	Wizz Air UK
28 Sep - 11 Oct	FlyOne (Romania)
09 Sep - 26 Sep	Wizz Air UK
10 Sep - 01 Oct	Ryanair
24 Sep - 29 Oct	Ryanair
24 Sep - 15 Oct	Pegasus Airlines
14 Sep - 24 Sep	Ryanair
24 Sep - 30 Sep	Pegasus Airlines
01 Sep - 24 Sep	Wizz Air UK
25 Sep - 15 Oct	Pegasus Airlines
23 Sep - 04 Oct	Wizz Air Malta
01 Sep - 15 Oct	Wizz Air UK
17 Sep - 24 Sep	Ryanair
25 Sep - 09 Oct	Pegasus Airlines
20 Sep - 27 Sep	Wizz Air Malta
29 Sep - 20 Oct	Wizz Air UK
18 Sep - 22 Sep	Wizz Air UK
06 Sep - 04 Oct	Wizz Air UK
09 Sep - 18 Sep	Wizz Air UK
04 Sep - 14 Sep	Wizz Air UK

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

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 September from 517€

Return flights