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

Return flights

26 Sep - 04 Oct	SKY express
15 Sep - 29 Sep	Air Arabia
01 Sep - 07 Sep	Air Arabia
14 Sep - 28 Sep	Air Arabia
14 Sep - 21 Sep	Air Arabia
01 Sep - 18 Sep	Air Arabia
11 Sep - 21 Sep	Air Arabia
07 Sep - 20 Sep	Air Arabia
01 Sep - 20 Sep	Air Arabia
05 Sep - 22 Sep	Air Arabia
14 Sep - 26 Sep	Air Arabia
21 Sep - 05 Oct	Ryanair
19 Sep - 03 Oct	Wizz Air UK
17 Sep - 15 Oct	China Southern
24 Sep - 01 Oct	IndiGo

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 $724

Return flights