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

Return flights

24 Oct - 31 Oct	Vietnam Airlines
16 Oct - 06 Nov	VietJet Air
11 Oct - 16 Oct	VietJet Air
16 Oct - 25 Oct	VietJet Air
10 Oct - 30 Oct	VietJet Air
15 Oct - 05 Nov	HK Express
28 Oct - 17 Nov	VietJet Air
28 Oct - 04 Nov	VietJet Air
31 Oct - 04 Nov	VietJet Air
31 Oct - 09 Nov	VietJet Air
28 Oct - 31 Oct	VietJet Air
20 Oct - 27 Oct	VietJet Air
21 Oct - 27 Oct	VietJet Air
20 Oct - 27 Nov	VietJet Air
25 Oct - 10 Nov	VietJet Air
27 Oct - 17 Nov	VietJet Air
21 Oct - 28 Oct	VietJet Air
29 Oct - 31 Oct	VietJet Air
23 Oct - 26 Oct	VietJet Air
03 Oct - 01 Nov	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 346€

Return flights