Cheapest return flights from Istanbul to Seoul in October from $590

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

Return flights

30 Oct - 14 Nov Centrum Air
28 Oct - 11 Nov China Eastern
27 Oct - 07 Nov Gulf Air
30 Oct - 27 Nov Etihad Airways
25 Oct - 07 Nov Pegasus Airlines
27 Oct - 05 Nov IndiGo
26 Oct - 06 Nov AJet
27 Oct - 06 Nov IndiGo
29 Oct - 03 Nov China Southern
27 Oct - 08 Nov IndiGo
26 Oct - 30 Oct IndiGo
23 Oct - 31 Oct Pegasus Airlines
23 Oct - 27 Oct IndiGo
25 Oct - 31 Oct Pegasus Airlines
25 Oct - 30 Oct Pegasus Airlines
24 Oct - 30 Oct Turkmenistan Airlines
23 Oct - 29 Oct Qatar Airways
25 Oct - 29 Oct AJet
23 Oct - 24 Oct Centrum Air
25 Oct - 26 Oct Emirates

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

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