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

Return flights

04 Sep - 16 Sep	Hainan Airlines	direct
25 Sep - 11 Oct	Hainan Airlines	direct
18 Sep - 25 Sep	Hainan Airlines	direct
25 Sep - 16 Oct	Hainan Airlines	direct
23 Sep - 07 Oct	Hainan Airlines	direct
13 Sep - 23 Sep	Hainan Airlines	direct
02 Sep - 02 Oct	Hainan Airlines	direct
27 Sep - 04 Oct	KLM
09 Sep - 16 Sep	KLM
03 Sep - 10 Sep	KLM
04 Sep - 11 Sep	KLM
03 Sep - 17 Sep	KLM
04 Sep - 18 Sep	KLM
03 Sep - 24 Sep	KLM
02 Sep - 07 Sep	KLM
25 Sep - 23 Oct	KLM
23 Sep - 19 Oct	KLM
24 Sep - 08 Oct	KLM
25 Sep - 09 Oct	KLM
18 Sep - 18 Oct	KLM

Also check the deals for one-way flights from Dublin to Beijing 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 Dublin to Beijing in September from 512€

Return flights