AirHint found the following cheapest return flights from Seoul (ICN) to Istanbul (IST)
in August 2025 (see full year ).
Return flights
03 Aug
- 08 Aug
China Southern
587 €
12 Aug
- 29 Aug
China Southern
588 €
19 Aug
- 25 Aug
China Southern
588 €
04 Aug
- 25 Aug
Etihad Airways
595 €
05 Aug
- 12 Aug
China Southern
613 €
31 Aug
- 04 Sep
China Southern
613 €
18 Aug
- 29 Aug
China Southern
614 €
03 Aug
- 19 Aug
China Southern
614 €
25 Aug
- 03 Sep
China Southern
614 €
20 Aug
- 26 Aug
China Southern
616 €
04 Aug
- 09 Aug
Etihad Airways
624 €
23 Aug
- 01 Sep
Etihad Airways
632 €
13 Aug
- 19 Aug
China Southern
639 €
30 Aug
- 06 Sep
Etihad Airways
733 €
23 Aug
- 01 Sep
Korean Air
836 €
direct
25 Aug
- 03 Sep
Korean Air
836 €
direct
30 Aug
- 06 Sep
Korean Air
836 €
direct
31 Aug
- 04 Sep
Turkish Airlines
1042 €
direct
Also check the deals for one-way flights from Seoul to Istanbul 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.