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

Return flights

02 Jun - 07 Jun	Air China
13 Jun - 19 Jun	Air China
03 Jun - 13 Jun	China Southern
16 Jun - 28 Jun	Air China
05 Jun - 13 Jun	China Southern
20 Jun - 28 Jun	Air China
01 Jun - 30 Jun	China Southern
01 Jun - 04 Jun	China Southern
01 Jun - 09 Jun	China Southern
01 Jun - 11 Jun	China Southern
22 Jun - 09 Jul	China Southern
27 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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Seoul to Istanbul in June from 445€

Return flights