AirHint found the following cheapest return flights from Istanbul (IST) to Seoul (ICN) in June 2026 (see full year).

Return flights

17 Jun - 25 Jun	Air China
10 Jun - 20 Jun	Air China
14 Jun - 25 Jun	Air China
14 Jun - 20 Jun	Air China
15 Jun - 22 Jun	Etihad Airways
01 Jun - 09 Jun	LOT
01 Jun - 17 Jun	LOT
08 Jun - 14 Jun	LOT
01 Jun - 16 Jun	LOT
10 Jun - 14 Jun	LOT
24 Jun - 01 Jul	AirAsia X
19 Jun - 04 Jul	AirAsia X
25 Jun - 01 Jul	LOT
23 Jun - 01 Jul	LOT
29 Jun - 06 Jul	LOT
23 Jun - 02 Jul	LOT
24 Jun - 02 Jul	LOT
22 Jun - 06 Jul	AirAsia X
26 Jun - 12 Jul	Air Astana
25 Jun - 05 Jul	Air Astana

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

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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Cheapest return flights from Istanbul to Seoul in June from $580

Return flights