AirHint found the following cheapest return flights from London (LCY) to Punta Cana (PUJ) in September 2025 (see full year).

Return flights

11 Sep - 25 Sep	KLM
22 Sep - 29 Sep	KLM
12 Sep - 22 Sep	KLM
12 Sep - 14 Sep	KLM
12 Sep - 17 Sep	KLM
24 Sep - 01 Oct	KLM
19 Sep - 23 Sep	KLM
17 Sep - 01 Oct	SWISS
17 Sep - 21 Sep	British Airways
23 Sep - 07 Oct	KLM
15 Sep - 22 Sep	KLM
14 Sep - 21 Sep	KLM
27 Sep - 11 Oct	SWISS
17 Sep - 24 Sep	SWISS
28 Sep - 04 Oct	SWISS
27 Sep - 04 Oct	SWISS
29 Sep - 04 Oct	SWISS
25 Sep - 09 Oct	Lufthansa
18 Sep - 09 Oct	Lufthansa
25 Sep - 02 Oct	Lufthansa

Also check the deals for one-way flights from London to Punta Cana 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 Punta Cana in September from 769€

Return flights