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

Return flights

27 Dec - 03 Jan	VietJet Air
18 Dec - 06 Jan	VietJet Air
01 Dec - 12 Dec	VietJet Air
20 Dec - 24 Dec	VietJet Air
20 Dec - 03 Jan	VietJet Air
30 Dec - 03 Jan	VietJet Air
07 Dec - 12 Dec	VietJet Air
27 Dec - 30 Jan	VietJet Air
19 Dec - 26 Dec	VietJet Air
18 Dec - 30 Dec	VietJet Air
18 Dec - 23 Dec	VietJet Air
25 Dec - 30 Jan	VietJet Air
18 Dec - 22 Dec	VietJet Air
26 Dec - 30 Jan	VietJet Air
24 Dec - 31 Dec	VietJet Air
24 Dec - 04 Jan	SriLankan Airlines
19 Dec - 24 Dec	VietJet Air
21 Dec - 11 Jan	VietJet Air
26 Dec - 28 Dec	VietJet Air
20 Dec - 02 Jan	VietJet Air

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

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 December from 420€

Return flights