AirHint found the following cheapest return flights from Seoul (ICN) to Delhi (DEL) in October 2025 (see full year).

Return flights

11 Oct - 11 Nov	Vietnam Airlines
13 Oct - 26 Oct	Jin Air
12 Oct - 26 Oct	Jeju Air
09 Oct - 14 Oct	Jin Air
14 Oct - 18 Oct	Jeju Air
19 Oct - 09 Nov	Vietnam Airlines
15 Oct - 26 Oct	Thai VietJet Air
11 Oct - 18 Oct	Jeju Air
21 Oct - 04 Nov	Vietnam Airlines
14 Oct - 17 Oct	Jeju Air
14 Oct - 27 Oct	Jeju Air
12 Oct - 18 Oct	Jin Air
17 Oct - 26 Oct	Jeju Air
30 Oct - 30 Nov	Thai VietJet Air
23 Oct - 30 Nov	VietJet Air
09 Oct - 11 Nov	Jeju Air
25 Oct - 12 Nov	Air Seoul, Inc
20 Oct - 03 Nov	Batik Air Malaysia
21 Oct - 01 Nov	Jeju Air
30 Oct - 04 Nov	Thai VietJet Air

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

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 October from $341

Return flights