Cheapest return flights from Istanbul to Seoul in August from $766

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

23 Aug - 30 Aug Uzbekistan Airways
02 Aug - 11 Aug Uzbekistan Airways
01 Aug - 08 Aug Uzbekistan Airways
18 Aug - 25 Aug Uzbekistan Airways
06 Aug - 20 Aug Uzbekistan Airways
06 Aug - 20 Aug Asiana Airlines direct
19 Aug - 25 Aug Thai Airways
21 Aug - 28 Aug Thai Airways
13 Aug - 20 Aug Thai Airways
12 Aug - 19 Aug Thai Airways
01 Aug - 01 Sep Emirates
31 Aug - 30 Sep Ethiopian Airlines

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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