Cheapest return flights from Istanbul to Seoul in April from $598

Best time to book flights for Istanbul (IST) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Istanbul (IST) to Seoul (ICN) in April 2025 (see full year).

Return flights

07 Apr - 06 May China Southern
28 Apr - 11 May China Southern
04 Apr - 13 Apr China Southern
02 Apr - 10 Apr China Southern
07 Apr - 10 Apr China Southern
10 Apr - 10 May MIAT Mongolian Airlines
08 Apr - 23 Apr MIAT Mongolian Airlines
10 Apr - 23 Apr MIAT Mongolian Airlines
17 Apr - 23 Apr MIAT Mongolian Airlines
10 Apr - 16 Apr MIAT Mongolian Airlines
13 Apr - 23 Apr MIAT Mongolian Airlines
24 Apr - 04 May MIAT Mongolian Airlines
08 Apr - 16 Apr MIAT Mongolian Airlines
03 Apr - 10 Apr China Southern
27 Apr - 05 May MIAT Mongolian Airlines
27 Apr - 04 May MIAT Mongolian Airlines
08 Apr - 06 May China Southern
14 Apr - 12 May China Southern
29 Apr - 10 May Etihad Airways
17 Apr - 11 May Etihad Airways

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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