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

Return flights

05 Jun - 15 Jun	ANA
10 Jun - 13 Jun	China Southern
05 Jun - 13 Jun	China Southern
03 Jun - 13 Jun	China Southern
10 Jun - 18 Jun	China Southern
03 Jun - 10 Jun	ANA
29 Jun - 13 Jul	ANA
06 Jun - 13 Jun	ANA
25 Jun - 27 Jun	ANA
03 Jun - 14 Jun	ANA
08 Jun - 31 Jul	ANA

Also check the deals for one-way flights from Seoul to Istanbul 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 Seoul to Istanbul in June from $1104

Return flights