Cheapest return flights from Seoul to Istanbul in January from $549

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

Return flights

23 Jan - 31 Jan China Southern
21 Jan - 24 Jan China Southern
05 Jan - 15 Jan China Southern
21 Jan - 31 Jan China Southern
14 Jan - 22 Jan China Southern
02 Jan - 10 Jan China Southern
05 Jan - 13 Jan China Southern
12 Jan - 20 Jan China Southern
02 Jan - 08 Jan China Southern
23 Jan - 27 Jan China Southern
30 Jan - 03 Feb China Southern
26 Jan - 05 Feb China Southern
02 Jan - 05 Feb China Southern
26 Jan - 10 Feb China Southern
28 Jan - 14 Feb China Southern
30 Jan - 14 Feb China Southern
26 Jan - 03 Feb China Southern
28 Jan - 12 Feb China Southern
29 Jan - 06 Feb Air China
29 Jan - 13 Feb Air China

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

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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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