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

Return flights

06 Jun - 14 Jun	Air China
27 Jun - 05 Jul	Air China
15 Jun - 20 Jun	China Southern
22 Jun - 07 Jul	China Southern
26 Jun - 09 Jul	China Southern
11 Jun - 13 Jun	ANA
20 Jun - 27 Jun	ANA
12 Jun - 21 Jun	ANA
14 Jun - 18 Jun	ANA
14 Jun - 21 Jun	ANA
19 Jun - 26 Jun	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 791€

Return flights