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

Return flights

11 Oct - 18 Oct	Vietnam Airlines
14 Oct - 16 Oct	VietJet Air
16 Oct - 26 Oct	VietJet Air
16 Oct - 21 Oct	VietJet Air
21 Oct - 28 Oct	VietJet Air
16 Oct - 20 Nov	VietJet Air
16 Oct - 24 Nov	VietJet Air
14 Oct - 26 Oct	VietJet Air
16 Oct - 26 Nov	VietJet Air
14 Oct - 18 Oct	VietJet Air
21 Oct - 01 Nov	VietJet Air
12 Oct - 16 Oct	VietJet Air
14 Oct - 31 Oct	VietJet Air
18 Oct - 30 Nov	VietJet Air
11 Oct - 21 Oct	VietJet Air
13 Oct - 24 Nov	VietJet Air
29 Oct - 05 Nov	VietJet Air
29 Oct - 02 Nov	VietJet Air
29 Oct - 01 Nov	VietJet Air
01 Oct - 05 Nov	HK Express

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 $363

Return flights