Cheapest return flights from Seoul to Istanbul in April from 329€

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

Return flights

04 Apr - 17 Apr China Southern
05 Apr - 17 Apr China Southern
03 Apr - 19 Apr China Southern
04 Apr - 07 Apr China Southern
10 Apr - 17 Apr China Southern
01 Apr - 10 Apr China Southern
09 Apr - 17 Apr China Southern
08 Apr - 21 Apr China Southern
09 Apr - 21 Apr China Southern
03 Apr - 10 Apr China Southern
03 Apr - 03 May China Southern
13 Apr - 03 May China Southern
16 Apr - 19 May China Southern
03 Apr - 02 May China Southern
08 Apr - 07 May Emirates
11 Apr - 09 May China Southern
13 Apr - 02 May China Southern
13 Apr - 04 May Emirates
22 Apr - 13 May Emirates
21 Apr - 11 May China Southern

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

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