Cheapest return flights from Seoul to Istanbul in April from 396€

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

Return flights

01 Apr - 14 Apr China Southern
04 Apr - 07 Apr China Southern
09 Apr - 14 Apr China Southern
04 Apr - 19 Apr China Southern
03 Apr - 11 Apr China Southern
01 Apr - 10 Apr China Southern
03 Apr - 07 Apr China Southern
03 Apr - 16 Apr China Southern
03 Apr - 10 Apr China Southern
08 Apr - 14 Apr China Southern
12 Apr - 03 May China Southern
22 Apr - 03 May China Southern
24 Apr - 03 May China Southern
25 Apr - 03 May China Southern
23 Apr - 03 May China Southern
29 Apr - 03 May China Southern
30 Apr - 03 May China Southern
26 Apr - 03 May China Southern
27 Apr - 03 May China Southern
25 Apr - 02 May China Southern

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

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