AirHint found the following cheapest return flights from London (LCY) to Palma de Mallorca (PMI) in September 2025 (see full year).

Return flights

28 Sep - 03 Oct	British Airways	direct
26 Sep - 03 Oct	Iberia	direct
19 Sep - 26 Sep	Iberia	direct
12 Sep - 16 Sep	British Airways
12 Sep - 19 Sep	British Airways
07 Sep - 09 Sep	Iberia	direct
21 Sep - 29 Sep	British Airways
25 Sep - 29 Sep	Luxair
05 Sep - 08 Sep	British Airways
19 Sep - 23 Sep	British Airways
17 Sep - 25 Sep	SWISS
17 Sep - 24 Sep	SWISS
17 Sep - 01 Oct	KLM
28 Sep - 06 Oct	British Airways	direct
28 Sep - 05 Oct	British Airways	direct
25 Sep - 02 Oct	KLM
28 Sep - 02 Oct	KLM
29 Sep - 06 Oct	British Airways	direct
28 Sep - 01 Oct	KLM
30 Sep - 08 Oct	SWISS

Also check the deals for one-way flights from London to Palma de Mallorca 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 Palma de Mallorca in September from $168

Return flights