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

Return flights

22 Sep - 30 Sep	Emirates
22 Sep - 29 Sep	Emirates
22 Sep - 02 Oct	Emirates
24 Sep - 29 Sep	Eastar Jet
22 Sep - 28 Sep	Emirates
22 Sep - 27 Sep	Emirates
29 Sep - 02 Oct	China Eastern
22 Sep - 25 Sep	Emirates
22 Sep - 24 Sep	Emirates
25 Sep - 02 Oct	T'way Air
23 Sep - 29 Sep	Emirates
24 Sep - 30 Sep	Lufthansa
23 Sep - 20 Oct	T'way Air
22 Sep - 04 Oct	Emirates
25 Sep - 14 Oct	T'way Air
20 Sep - 27 Sep	Jeju Air
23 Sep - 18 Oct	T'way Air
24 Sep - 03 Oct	Lufthansa
24 Sep - 04 Oct	Lufthansa
27 Sep - 17 Oct	Eastar Jet

Also check the deals for one-way flights from Seoul 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 Seoul to Budapest in September from $675

Return flights