AirHint found the following cheapest return flights from Istanbul (IST) to Seoul (ICN)
in October 2025 (see full year ).
Return flights
16 Oct
- 21 Oct
MIAT Mongolian Airlines
543 €
23 Oct
- 30 Oct
MIAT Mongolian Airlines
592 €
28 Oct
- 07 Nov
MIAT Mongolian Airlines
603 €
18 Oct
- 28 Oct
Etihad Airways
629 €
16 Oct
- 13 Nov
Etihad Airways
664 €
23 Oct
- 01 Nov
Etihad Airways
664 €
25 Oct
- 01 Nov
Etihad Airways
669 €
15 Oct
- 19 Oct
China Southern
675 €
15 Oct
- 22 Oct
China Southern
682 €
25 Oct
- 09 Nov
Etihad Airways
689 €
23 Oct
- 02 Nov
China Southern
695 €
21 Oct
- 27 Oct
Etihad Airways
714 €
31 Oct
- 08 Nov
Etihad Airways
718 €
17 Oct
- 31 Oct
Etihad Airways
720 €
16 Oct
- 26 Oct
Etihad Airways
726 €
15 Oct
- 21 Oct
Uzbekistan Airways
735 €
01 Oct
- 15 Oct
Qatar Airways
735 €
31 Oct
- 08 Nov
Asiana Airlines
795 €
direct
25 Oct
- 01 Nov
Asiana Airlines
819 €
direct
16 Oct
- 13 Nov
Turkish Airlines
1058 €
direct
Also check the deals for one-way flights from Istanbul to Seoul in October .
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.