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

Return flights

07 Sep - 16 Sep	Air China
07 Sep - 21 Sep	Air China
17 Sep - 23 Sep	Air China
12 Sep - 21 Sep	Air China
01 Sep - 14 Sep	Air China
15 Sep - 21 Sep	Air China
03 Sep - 17 Sep	Air China
01 Sep - 18 Sep	Air China
06 Sep - 27 Sep	Air China
03 Sep - 14 Sep	Air China
07 Sep - 07 Oct	Air India
24 Sep - 08 Oct	Etihad Airways
24 Sep - 15 Oct	Qatar Airways
17 Sep - 03 Oct	Air India
20 Sep - 06 Oct	Air India
23 Sep - 03 Oct	Air India
24 Sep - 02 Oct	Qatar Airways
27 Sep - 10 Oct	Qatar Airways
24 Sep - 05 Oct	China Southern

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.

Book a cheap hotel in Phuket

Cheap car rent in Phuket

Cheapest return flights from London to Phuket in September from 521€

Return flights