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

Return flights

13 Sep - 20 Sep	British Airways
03 Sep - 13 Sep	British Airways
05 Sep - 10 Sep	KLM
06 Sep - 11 Sep	KLM
14 Sep - 22 Sep	KLM
15 Sep - 23 Sep	KLM
01 Sep - 14 Sep	KLM
15 Sep - 24 Sep	KLM
05 Sep - 19 Sep	KLM
11 Sep - 20 Sep	KLM
24 Sep - 08 Oct	KLM
24 Sep - 07 Oct	KLM
25 Sep - 08 Oct	KLM
23 Sep - 07 Oct	KLM
19 Sep - 10 Oct	KLM
26 Sep - 03 Oct	KLM
27 Sep - 04 Oct	KLM
29 Sep - 06 Oct	KLM
29 Sep - 04 Oct	KLM
26 Sep - 19 Oct	KLM

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 $741

Return flights