Cheapest return flights from Istanbul to Seoul in December from $726

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

01 Dec - 08 Dec China Southern
04 Dec - 11 Dec MIAT Mongolian Airlines
05 Dec - 10 Dec Uzbekistan Airways
30 Dec - 10 Jan LOT
02 Dec - 10 Dec Qatar Airways
01 Dec - 14 Dec Qatar Airways
28 Dec - 05 Jan Qatar Airways
03 Dec - 17 Dec Lufthansa
03 Dec - 17 Dec Asiana Airlines direct
05 Dec - 10 Dec Asiana Airlines direct
04 Dec - 11 Dec Asiana Airlines direct
30 Dec - 06 Jan Qatar Airways
28 Dec - 03 Jan Qatar Airways
27 Dec - 03 Jan Asiana Airlines direct
30 Dec - 06 Jan Asiana Airlines direct
30 Dec - 10 Jan Asiana Airlines direct
02 Dec - 10 Dec Asiana Airlines direct
29 Dec - 04 Jan Qatar Airways
31 Dec - 04 Jan Qatar Airways
31 Dec - 04 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul