Cheapest return flights from Istanbul to Seoul in August from $639

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

12 Aug - 25 Aug China Southern
25 Aug - 30 Aug Etihad Airways
28 Aug - 07 Sep Etihad Airways
12 Aug - 18 Aug Etihad Airways
20 Aug - 23 Aug Etihad Airways
13 Aug - 20 Aug Etihad Airways
22 Aug - 29 Aug Etihad Airways
22 Aug - 30 Aug Etihad Airways
26 Aug - 07 Sep China Southern
05 Aug - 12 Aug China Southern
31 Aug - 07 Sep MIAT Mongolian Airlines
10 Aug - 19 Aug Thai Airways
14 Aug - 29 Aug Thai Airways
30 Aug - 15 Sep Etihad Airways
30 Aug - 08 Sep Etihad Airways
15 Aug - 01 Sep Etihad Airways
28 Aug - 02 Sep Thai Airways
21 Aug - 28 Sep Thai Airways
15 Aug - 01 Sep Korean Air direct
28 Aug - 07 Sep Turkish Airlines direct

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.

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