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

Return flights

20 Jan - 10 Feb	Thai AirAsia X
21 Jan - 21 Feb	IndiGo
20 Jan - 20 Feb	China Eastern
22 Jan - 04 Feb	VietJet Air
21 Jan - 28 Jan	IndiGo
19 Jan - 26 Jan	Thai Lion Air
19 Jan - 25 Jan	Thai Lion Air
18 Jan - 01 Feb	AirAsia X
30 Jan - 09 Feb	AirAsia X
28 Jan - 04 Feb	AirAsia X
29 Jan - 20 Feb	Cathay Pacific
20 Jan - 29 Jan	IndiGo
22 Jan - 24 Jan	IndiGo
24 Jan - 08 Feb	Cathay Pacific
19 Jan - 29 Jan	IndiGo
21 Jan - 29 Jan	IndiGo
20 Jan - 24 Jan	IndiGo
19 Jan - 31 Jan	IndiGo
27 Jan - 28 Jan	IndiGo
29 Jan - 20 Feb	Air India	direct

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

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Delhi to Seoul in January from 353€

Return flights