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

Return flights

13 Apr - 28 Apr	KLM
13 Apr - 27 Apr	KLM
09 Apr - 14 Apr	Finnair
28 Apr - 04 May	Qatar Airways
23 Apr - 30 Apr	Emirates
26 Apr - 05 May	Emirates
12 Apr - 27 Apr	Finnair
09 Apr - 14 Apr	Korean Air	direct
08 Apr - 18 Apr	Finnair
06 Apr - 16 Apr	Finnair
24 Apr - 04 May	Qatar Airways
25 Apr - 05 May	Finnair
06 Apr - 16 Apr	Korean Air	direct
23 Apr - 30 Apr	Korean Air	direct
28 Apr - 04 May	Korean Air	direct
25 Apr - 05 May	Korean Air	direct
25 Apr - 02 May	SWISS
30 Apr - 09 May	Korean Air	direct

Also check the deals for one-way flights from Seoul to Budapest in April.

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 April from 670€

Return flights