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

Return flights

15 Sep - 15 Oct	Air China
03 Sep - 11 Oct	Air China
03 Sep - 15 Oct	Air China
17 Sep - 12 Oct	Air China
19 Sep - 12 Oct	Air China
15 Sep - 14 Oct	Air China
24 Sep - 15 Oct	Air China
15 Sep - 23 Sep	Air China
03 Sep - 10 Sep	Air China
08 Sep - 23 Sep	Air China
04 Sep - 11 Oct	Air China
09 Sep - 22 Sep	Ryanair
02 Sep - 10 Sep	Ryanair
03 Sep - 18 Sep	Air China
01 Sep - 11 Oct	Air China
25 Sep - 11 Oct	China Southern
06 Sep - 21 Sep	Wizz Air Malta
14 Sep - 21 Sep	Ryanair
12 Sep - 14 Sep	Air China
04 Sep - 17 Sep	Ryanair

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 $561

Return flights