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

Return flights

03 Jun - 09 Jun	China Southern
05 Jun - 11 Jun	China Southern
05 Jun - 08 Jun	China Southern
05 Jun - 15 Jun	China Southern
10 Jun - 15 Jun	China Southern
03 Jun - 07 Jun	Air China
04 Jun - 10 Jun	Air China
08 Jun - 12 Jun	Air China
10 Jun - 24 Jun	Air China
15 Jun - 19 Jun	Air China
27 Jun - 03 Jul	Air China
27 Jun - 07 Jul	Air China
29 Jun - 07 Jul	Air China
29 Jun - 03 Jul	Air China
27 Jun - 05 Jul	Air China
24 Jun - 03 Jul	Air China
25 Jun - 02 Jul	Air China
20 Jun - 02 Jul	Air China
22 Jun - 02 Jul	China Southern
26 Jun - 04 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 554€

Return flights