Cheapest return flights from Istanbul to Seoul in April from 438€

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

Return flights

07 Apr - 12 Apr China Southern
10 Apr - 13 Apr China Southern
10 Apr - 17 Apr China Southern
07 Apr - 17 Apr China Southern
06 Apr - 10 Apr AJet
12 Apr - 19 Apr China Southern
07 Apr - 16 Apr China Southern
23 Apr - 08 May MIAT Mongolian Airlines
23 Apr - 11 May MIAT Mongolian Airlines
23 Apr - 13 May MIAT Mongolian Airlines
06 Apr - 11 Apr AJet
01 Apr - 11 Apr Pegasus Airlines
09 Apr - 13 Apr China Southern
03 Apr - 02 May Air China
27 Apr - 13 May Qatar Airways
22 Apr - 07 May China Southern
01 Apr - 11 May Pegasus Airlines
18 Apr - 08 May Gulf Air
30 Apr - 08 May Qatar Airways
30 Apr - 09 May Qatar Airways

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

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