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

Return flights

01 Sep - 10 Sep	Air China
11 Sep - 17 Sep	Air China
08 Sep - 17 Sep	Air China
16 Sep - 23 Sep	China Eastern
08 Sep - 18 Sep	Air China
04 Sep - 10 Sep	Air China
04 Sep - 08 Sep	China Eastern
02 Sep - 14 Sep	China Eastern
18 Sep - 04 Oct	Air China
02 Sep - 11 Sep	Austrian Airlines
02 Sep - 18 Sep	Austrian Airlines
28 Sep - 11 Oct	Air China
26 Sep - 02 Oct	Air China
29 Sep - 15 Oct	Air China
29 Sep - 16 Oct	Air China

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 497€

Return flights