AirHint found the following cheapest return flights from Seoul (ICN) to Delhi (DEL) in May 2026 (see full year).

Return flights

17 May - 05 Jun	Vietnam Airlines
18 May - 05 Jun	Vietnam Airlines
18 May - 04 Jun	Vietnam Airlines
26 May - 28 May	Vietnam Airlines
24 May - 26 May	Vietnam Airlines
17 May - 04 Jun	Vietnam Airlines
26 May - 28 May	Korean Air	direct
24 May - 26 May	Korean Air	direct
17 May - 04 Jun	Air India	direct

Also check the deals for one-way flights from Seoul to Delhi in May.

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 Delhi in May from $326

Return flights