AirHint found the following cheapest return flights from Hong Kong (HKG) to Warsaw (WAW) in September 2025 (see full year).

Return flights

15 Sep - 29 Sep	SWISS
14 Sep - 28 Sep	SWISS
15 Sep - 28 Sep	SWISS
16 Sep - 27 Sep	Finnair
18 Sep - 27 Sep	Finnair
18 Sep - 25 Sep	Finnair
06 Sep - 20 Sep	Finnair
11 Sep - 26 Sep	SWISS
09 Sep - 16 Sep	Finnair
18 Sep - 29 Sep	Finnair
28 Sep - 04 Oct	Finnair
25 Sep - 04 Oct	Royal Brunei
28 Sep - 05 Oct	Finnair
29 Sep - 05 Oct	Finnair
27 Sep - 17 Oct	Finnair
27 Sep - 06 Oct	Finnair
27 Sep - 11 Oct	Emirates
27 Sep - 09 Oct	Qatar Airways

Also check the deals for one-way flights from Hong Kong to Warsaw 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 Hong Kong to Warsaw in September from 533€

Return flights