AirHint found the following cheapest return flights from Istanbul (IST) to Seoul (ICN)
in August 2025 (see full year ).
Return flights
31 Aug
- 09 Sep
Qatar Airways
$ 756
29 Aug
- 08 Sep
Etihad Airways
$ 758
22 Aug
- 02 Sep
Etihad Airways
$ 758
29 Aug
- 10 Sep
Etihad Airways
$ 758
01 Aug
- 05 Aug
Qatar Airways
$ 764
04 Aug
- 15 Aug
Qatar Airways
$ 764
26 Aug
- 31 Aug
Etihad Airways
$ 764
22 Aug
- 31 Aug
Etihad Airways
$ 768
15 Aug
- 23 Aug
Etihad Airways
$ 769
23 Aug
- 30 Aug
Etihad Airways
$ 769
09 Aug
- 16 Aug
Etihad Airways
$ 772
18 Aug
- 24 Aug
Etihad Airways
$ 778
18 Aug
- 23 Aug
Etihad Airways
$ 778
18 Aug
- 31 Aug
Etihad Airways
$ 779
22 Aug
- 01 Sep
Qatar Airways
$ 803
25 Aug
- 21 Sep
Etihad Airways
$ 828
29 Aug
- 10 Sep
Asiana Airlines
$ 834
direct
29 Aug
- 08 Sep
Korean Air
$ 898
direct
23 Aug
- 06 Sep
Emirates
$ 1058
25 Aug
- 21 Sep
Turkish Airlines
$ 1085
direct
Also check the deals for one-way flights from Istanbul to Seoul in August .
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.