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

Return flights

15 Sep - 22 Sep	Air India
07 Sep - 20 Sep	Air India
01 Sep - 14 Sep	Air India
03 Sep - 17 Sep	Air India
07 Sep - 15 Sep	Air India
01 Sep - 15 Sep	Air India
01 Sep - 17 Sep	Air India
07 Sep - 17 Sep	Air India
22 Sep - 28 Sep	Air India
01 Sep - 22 Sep	Air India
10 Sep - 01 Oct	Air India
14 Sep - 05 Oct	Air India
22 Sep - 01 Oct	Air India
21 Sep - 05 Oct	Air India
20 Sep - 04 Oct	Air India
25 Sep - 09 Oct	Turkish Airlines
24 Sep - 06 Oct	Qatar Airways
30 Sep - 08 Oct	Qatar Airways
30 Sep - 14 Oct	Malaysia Airlines
24 Sep - 02 Oct	Malaysia Airlines

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 494€

Return flights