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

Return flights

21 May - 25 May	Vietnam Airlines
21 May - 24 May	Vietnam Airlines
04 May - 11 May	Vietnam Airlines
22 May - 26 May	Vietnam Airlines
07 May - 14 May	Vietnam Airlines
31 May - 06 Jun	Vietnam Airlines
05 May - 12 May	Vietnam Airlines
01 May - 09 May	Vietnam Airlines
05 May - 11 May	VietJet Air
03 May - 09 May	Vietnam Airlines
21 May - 24 May	Korean Air	direct
31 May - 06 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 296€

Return flights