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
Etihad Airways
664 €
04 Dec
- 09 Dec
Etihad Airways
679 €
27 Dec
- 06 Jan
China Southern
690 €
30 Dec
- 06 Jan
China Southern
695 €
26 Dec
- 02 Jan
China Southern
699 €
14 Dec
- 20 Dec
MIAT Mongolian Airlines
737 €
12 Dec
- 18 Dec
LOT
739 €
01 Dec
- 08 Dec
Korean Air
751 €
direct
10 Dec
- 17 Dec
Korean Air
751 €
direct
28 Dec
- 05 Jan
Qatar Airways
763 €
29 Dec
- 05 Jan
Qatar Airways
763 €
22 Dec
- 17 Jan
Qatar Airways
763 €
11 Dec
- 09 Jan
Qatar Airways
763 €
04 Dec
- 14 Dec
Qatar Airways
771 €
29 Dec
- 05 Jan
Korean Air
771 €
direct
26 Dec
- 02 Jan
Korean Air
776 €
direct
04 Dec
- 09 Dec
Turkish Airlines
1082 €
direct
04 Dec
- 14 Dec
Turkish Airlines
1082 €
direct
14 Dec
- 20 Dec
Turkish Airlines
1340 €
direct
11 Dec
- 09 Jan
Turkish Airlines
1341 €
direct
Also check the deals for one-way flights from Istanbul to Seoul in December .
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.