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

Return flights

20 Sep - 25 Sep	Air China
18 Sep - 25 Sep	Air China
11 Sep - 21 Sep	Air China
11 Sep - 18 Sep	Air China
11 Sep - 24 Sep	Air China
11 Sep - 22 Sep	Air China
17 Sep - 21 Sep	Air China
20 Sep - 01 Oct	Air China
17 Sep - 24 Sep	Air China
21 Sep - 01 Oct	Air China
13 Sep - 21 Sep	Air China
14 Sep - 24 Sep	Air China
21 Sep - 02 Oct	China Eastern
18 Sep - 02 Oct	Finnair
24 Sep - 01 Oct	Finnair
19 Sep - 01 Oct	Finnair
19 Sep - 02 Oct	Finnair
25 Sep - 13 Oct	Finnair
20 Sep - 04 Oct	China Eastern
22 Sep - 08 Oct	Cathay Pacific

Also check the deals for one-way flights from Hong Kong to Budapest 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 Budapest in September from 397€

Return flights