Cheapest return flights from Istanbul to Seoul in August from $750

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 August 2025 (see full year).

Return flights

20 Aug - 26 Aug Thai Airways
24 Aug - 03 Sep Etihad Airways
31 Aug - 09 Sep MIAT Mongolian Airlines
13 Aug - 03 Sep Etihad Airways
18 Aug - 24 Aug Air Astana
12 Aug - 18 Aug Air Astana
12 Aug - 03 Sep Etihad Airways
11 Aug - 17 Aug Etihad Airways
12 Aug - 17 Aug Etihad Airways
18 Aug - 23 Aug Etihad Airways
25 Aug - 30 Aug Air Astana
25 Aug - 31 Aug Air Astana
04 Aug - 18 Aug Air Astana
20 Aug - 27 Aug Etihad Airways
18 Aug - 01 Sep Air Astana
30 Aug - 07 Sep Etihad Airways
29 Aug - 05 Sep Etihad Airways
25 Aug - 25 Sep Air Astana
26 Aug - 25 Sep Air Astana
28 Aug - 01 Sep Air Astana

Also check the deals for one-way flights from Istanbul to Seoul in August.

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