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

Return flights

08 Sep - 16 Sep	China Eastern
17 Sep - 22 Sep	Air China
11 Sep - 18 Sep	Air China
11 Sep - 24 Sep	Air China
09 Sep - 21 Sep	Air China
16 Sep - 24 Sep	Air China
10 Sep - 19 Sep	Air China
10 Sep - 15 Sep	Air China
07 Sep - 18 Sep	Air China
09 Sep - 22 Sep	Air China
16 Sep - 20 Oct	Air China
21 Sep - 17 Oct	Air China
21 Sep - 02 Oct	Air China
22 Sep - 02 Oct	Emirates
25 Sep - 02 Oct	Emirates
23 Sep - 03 Oct	Air China
24 Sep - 01 Oct	Emirates
18 Sep - 01 Oct	Emirates
25 Sep - 05 Oct	Emirates
19 Sep - 03 Oct	Emirates

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 484€

Return flights