Cheapest return flights from Istanbul to Seoul in April from $718

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 2026 (see full year).

Return flights

02 Apr - 09 Apr Etihad Airways
06 Apr - 15 Apr Etihad Airways
09 Apr - 19 Apr Etihad Airways
02 Apr - 12 Apr Etihad Airways
05 Apr - 19 Apr Etihad Airways
11 Apr - 19 Apr Etihad Airways
01 Apr - 07 Apr Etihad Airways
01 Apr - 12 Apr Etihad Airways
09 Apr - 16 Apr Etihad Airways
01 Apr - 09 Apr Etihad Airways
24 Apr - 01 May Qatar Airways
26 Apr - 02 May LOT
24 Apr - 01 May Asiana Airlines direct

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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