Cheapest return flights from Istanbul to Seoul in April from 479€

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

Return flights

23 Apr - 26 Apr MIAT Mongolian Airlines
06 Apr - 14 Apr AirAsia X
04 Apr - 17 Apr China Southern
01 Apr - 14 Apr AirAsia X
06 Apr - 13 Apr AirAsia X
03 Apr - 12 Apr China Southern
08 Apr - 12 Apr China Southern
01 Apr - 22 Apr China Southern
01 Apr - 16 Apr China Southern
01 Apr - 10 Apr China Southern
20 Apr - 10 May China Southern
25 Apr - 06 May Etihad Airways
04 Apr - 17 May China Southern
25 Apr - 06 May Asiana Airlines direct
04 Apr - 17 May Turkish Airlines direct
20 Apr - 10 May Turkish Airlines direct

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

Skyscanner

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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