Cheapest return flights from Istanbul to Seoul in April from $916

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

Return flights

29 Apr - 30 May Air China
12 Apr - 28 Apr Air China
12 Apr - 23 Apr Air China
15 Apr - 20 Apr Air China
01 Apr - 30 May Air China
11 Apr - 24 Apr China Southern
03 Apr - 11 Apr Air China
01 Apr - 11 Apr Air China
19 Apr - 21 Apr Air China
01 Apr - 10 Apr ANA

Also check the deals for one-way flights from Istanbul to Seoul in April.

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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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