Cheapest return flights from Istanbul to Seoul in April from 593€

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

Return flights

07 Apr - 14 Apr MIAT Mongolian Airlines
06 Apr - 16 Apr Oman Air
15 Apr - 22 Apr Etihad Airways
06 Apr - 15 Apr Oman Air
16 Apr - 23 Apr Etihad Airways
30 Apr - 03 May Etihad Airways
10 Apr - 17 Apr Etihad Airways
13 Apr - 26 Apr Etihad Airways
22 Apr - 30 Apr Etihad Airways
16 Apr - 22 Apr Etihad Airways
09 Apr - 16 Apr MIAT Mongolian Airlines
06 Apr - 25 May China Southern
23 Apr - 10 May China Southern
23 Apr - 01 May Asiana Airlines direct
23 Apr - 10 May Turkish Airlines direct
30 Apr - 03 May Turkish Airlines direct

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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