AirHint found the following cheapest return flights from Beijing (PEK) to Dublin (DUB) in September 2025 (see full year).

Return flights

06 Sep - 16 Sep	KLM
28 Sep - 04 Oct	Hainan Airlines	direct
06 Sep - 16 Sep	Hainan Airlines	direct
30 Sep - 07 Oct	Hainan Airlines	direct
27 Sep - 07 Oct	Hainan Airlines	direct
29 Sep - 08 Oct	Air France

Also check the deals for one-way flights from Beijing to Dublin 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 Beijing to Dublin in September from $743

Return flights