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

Return flights

04 Apr - 13 Apr	SWISS
14 Apr - 21 Apr	Qatar Airways
30 Apr - 07 May	Qatar Airways
23 Apr - 25 Apr	Qatar Airways
13 Apr - 20 Apr	SWISS
15 Apr - 31 May	KLM
14 Apr - 21 Apr	Korean Air	direct
13 Apr - 20 Apr	Korean Air	direct
04 Apr - 13 Apr	Korean Air	direct
23 Apr - 25 Apr	Korean Air	direct
30 Apr - 07 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 $633

Return flights