AirHint found the following cheapest return flights from Seoul (ICN) to Budapest (BUD) in September 2026 (see full year).

Return flights

15 Sep - 18 Sep	Air China
14 Sep - 20 Sep	Air China
16 Sep - 23 Sep	Air China
10 Sep - 18 Sep	Air China
08 Sep - 19 Sep	Air China
11 Sep - 20 Sep	Air China
05 Sep - 12 Sep	Air China
05 Sep - 19 Sep	Air China
10 Sep - 17 Sep	Air China
03 Sep - 15 Sep	Air China
29 Sep - 06 Oct	Qatar Airways
12 Sep - 08 Oct	Air China
26 Sep - 04 Oct	Air China
30 Sep - 13 Oct	Lufthansa
28 Sep - 05 Oct	Lufthansa
21 Sep - 12 Oct	Air China
29 Sep - 06 Oct	Korean Air	direct
26 Sep - 10 Oct	Finnair
28 Sep - 10 Oct	Finnair
25 Sep - 10 Oct	Vietnam Airlines

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 492€

Return flights