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

Return flights

10 Sep - 17 Sep	SWISS
10 Sep - 18 Sep	SWISS
09 Sep - 16 Sep	SWISS
20 Sep - 27 Sep	Finnair
19 Sep - 26 Sep	Finnair
10 Sep - 16 Sep	SWISS
14 Sep - 25 Sep	Air China
25 Sep - 05 Oct	Finnair
05 Sep - 13 Sep	Finnair
01 Sep - 08 Sep	Finnair
01 Sep - 09 Sep	Finnair
26 Sep - 05 Oct	Finnair
26 Sep - 08 Oct	Finnair
26 Sep - 12 Oct	Finnair
21 Sep - 09 Oct	Finnair
30 Sep - 08 Oct	Finnair
28 Sep - 07 Oct	Finnair
28 Sep - 09 Oct	Finnair
27 Sep - 05 Oct	Finnair
26 Sep - 07 Oct	Finnair

Also check the deals for one-way flights from Hong Kong to Prague 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 Prague in September from $673

Return flights