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

Return flights

11 Sep - 26 Sep	Wizz Air UK
02 Sep - 16 Sep	Wizz Air UK
08 Sep - 23 Sep	Air India
16 Sep - 30 Sep	Air India
01 Sep - 15 Sep	Air India
22 Sep - 28 Sep	Air India
21 Sep - 28 Sep	Air India
07 Sep - 20 Sep	Air India
08 Sep - 22 Sep	Air India
14 Sep - 27 Sep	Air India
27 Sep - 06 Oct	Wizz Air UK
20 Sep - 11 Oct	Wizz Air UK
28 Sep - 06 Oct	Wizz Air UK
25 Sep - 04 Oct	Wizz Air UK
23 Sep - 04 Oct	Wizz Air UK
30 Sep - 21 Oct	Wizz Air UK
15 Sep - 01 Oct	Air India
19 Sep - 03 Oct	Wizz Air UK
27 Sep - 04 Oct	Wizz Air UK
26 Sep - 11 Oct	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 $651

Return flights