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

Return flights

14 Jan - 20 Jan	Emirates
05 Jan - 15 Jan	Emirates
21 Jan - 05 Feb	Emirates
28 Jan - 05 Feb	Emirates
07 Jan - 15 Jan	Emirates
14 Jan - 22 Jan	Emirates
05 Jan - 13 Jan	Emirates
05 Jan - 21 Jan	Emirates
05 Jan - 20 Jan	Emirates
26 Jan - 09 Feb	Emirates
26 Jan - 04 Feb	Emirates
05 Jan - 12 Jan	Emirates
26 Jan - 02 Feb	Emirates
11 Jan - 24 Jan	China Southern
12 Jan - 24 Jan	China Southern
19 Jan - 12 Feb	Emirates
29 Jan - 03 Feb	Emirates
29 Jan - 05 Feb	Emirates
01 Jan - 03 Feb	Emirates
22 Jan - 02 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 $539

Return flights