Cheapest return flights from Istanbul to Seoul in September from 531€

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 September 2025 (see full year).

Return flights

16 Sep - 07 Oct MIAT Mongolian Airlines
02 Sep - 17 Sep MIAT Mongolian Airlines
01 Sep - 07 Sep China Southern
10 Sep - 17 Sep China Southern
16 Sep - 23 Sep MIAT Mongolian Airlines
08 Sep - 15 Sep China Southern
09 Sep - 17 Sep China Southern
01 Sep - 15 Sep China Southern
13 Sep - 24 Sep flyadeal
26 Sep - 18 Oct Thai Airways
04 Sep - 11 Sep Etihad Airways
02 Sep - 09 Sep Etihad Airways
08 Sep - 15 Oct China Southern
24 Sep - 10 Oct Qatar Airways
28 Sep - 12 Oct Qatar Airways
07 Sep - 12 Oct Qatar Airways
13 Sep - 16 Oct Qatar Airways
08 Sep - 15 Oct Korean Air direct
26 Sep - 13 Oct Qatar Airways
24 Sep - 10 Oct Asiana Airlines direct

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

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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