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

Return flights

29 Sep - 14 Oct	Ryanair
23 Sep - 14 Oct	Pegasus Airlines
25 Sep - 20 Oct	Pegasus Airlines
27 Sep - 06 Oct	Pegasus Airlines
09 Sep - 23 Sep	Ryanair
29 Sep - 09 Oct	Ryanair
22 Sep - 02 Oct	Ryanair
01 Sep - 09 Oct	Ryanair
08 Sep - 15 Sep	Ryanair
08 Sep - 25 Sep	Ryanair
15 Sep - 29 Sep	Ryanair
14 Sep - 28 Sep	Ryanair
29 Sep - 05 Oct	Ryanair
30 Sep - 05 Oct	Ryanair
13 Sep - 21 Sep	Turkish Airlines
18 Sep - 30 Sep	Ryanair
30 Sep - 10 Oct	Ryanair
15 Sep - 18 Sep	Ryanair
13 Sep - 25 Sep	Turkish Airlines
01 Sep - 30 Sep	Ryanair

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 622€

Return flights