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

Return flights

19 Jan - 29 Jan	Emirates
19 Jan - 27 Jan	Emirates
12 Jan - 27 Jan	Emirates
05 Jan - 08 Jan	Emirates
12 Jan - 15 Jan	Emirates
12 Jan - 22 Jan	Emirates
05 Jan - 15 Jan	Emirates
12 Jan - 20 Jan	Emirates
12 Jan - 26 Jan	Emirates
12 Jan - 19 Jan	Emirates
26 Jan - 09 Feb	Emirates
28 Jan - 02 Feb	Emirates
05 Jan - 02 Feb	Emirates
28 Jan - 04 Feb	Emirates
27 Jan - 10 Feb	Emirates
23 Jan - 03 Feb	Emirates
23 Jan - 02 Feb	Emirates
28 Jan - 14 Feb	Emirates
03 Jan - 05 Feb	Emirates
27 Jan - 01 Feb	Emirates

Also check the deals for one-way flights from Seoul to Istanbul 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.

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Cheapest return flights from Seoul to Istanbul in January from 458€

Return flights