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

Return flights

13 Jun - 21 Jun	Air China
06 Jun - 14 Jun	Air China
11 Jun - 24 Jun	Air China
11 Jun - 26 Jun	Air China
20 Jun - 26 Jun	Air China
03 Jun - 06 Jun	China Southern
22 Jun - 27 Jun	China Southern
03 Jun - 13 Jun	China Southern
17 Jun - 20 Jun	China Southern
02 Jun - 07 Jun	Air China
22 Jun - 02 Jul	China Southern
22 Jun - 09 Jul	China Southern
24 Jun - 04 Jul	China Southern
22 Jun - 01 Jul	ANA
23 Jun - 09 Jul	ANA
30 Jun - 09 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 429€

Return flights