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

Return flights

01 Sep - 21 Sep	China Eastern
08 Sep - 17 Sep	China Eastern
07 Sep - 17 Sep	China Eastern
01 Sep - 18 Sep	Hainan Airlines
29 Sep - 12 Oct	Hainan Airlines
29 Sep - 09 Oct	Hainan Airlines
29 Sep - 16 Oct	Hainan Airlines
13 Sep - 21 Sep	China Eastern
01 Sep - 12 Sep	Wizz Air
11 Sep - 23 Sep	Wizz Air
01 Sep - 11 Sep	China Eastern
30 Sep - 16 Oct	Wizz Air
24 Sep - 15 Oct	Air China
05 Sep - 16 Sep	Air China
18 Sep - 15 Oct	Air China
01 Sep - 14 Sep	China Eastern
28 Sep - 12 Oct	Wizz Air
18 Sep - 16 Oct	Air China
30 Sep - 13 Oct	Finnair
27 Sep - 13 Oct	Finnair

Also check the deals for one-way flights from Budapest to Seoul 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 Budapest to Seoul in September from 493€

Return flights