Cheapest return flights from Istanbul to Seoul in December from $718

Best time to book flights for Istanbul (IST) to Seoul (ICN) flights at AirHint

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

Return flights

09 Dec - 15 Dec MIAT Mongolian Airlines
01 Dec - 07 Dec Etihad Airways
26 Dec - 01 Jan Qatar Airways
15 Dec - 14 Jan Qatar Airways
24 Dec - 08 Jan Qatar Airways
22 Dec - 31 Dec Thai Airways
20 Dec - 27 Dec Asiana Airlines direct
22 Dec - 31 Dec Korean Air direct
15 Dec - 14 Jan Korean Air direct
11 Dec - 22 Dec Thai Airways
23 Dec - 30 Dec Thai Airways
20 Dec - 28 Dec Thai Airways
23 Dec - 30 Dec Turkish Airlines direct
11 Dec - 22 Dec Turkish Airlines direct
24 Dec - 08 Jan Turkish Airlines direct
26 Dec - 01 Jan Turkish Airlines direct

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

Skyscanner

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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