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

Return flights

19 Apr - 23 Apr	Kuwait Airways
14 Apr - 21 Apr	Kuwait Airways
05 Apr - 18 Apr	Kuwait Airways
03 Apr - 18 Apr	Kuwait Airways
21 Apr - 30 Apr	Kuwait Airways
19 Apr - 30 Apr	Kuwait Airways
17 Apr - 25 Apr	Kuwait Airways
05 Apr - 10 Apr	Qatar Airways
02 Apr - 17 Apr	Qatar Airways
07 Apr - 07 May	Qatar Airways
01 Apr - 10 Apr	Qatar Airways
22 Apr - 03 May	Qatar Airways
23 Apr - 14 May	Qatar Airways
20 Apr - 20 May	Qatar Airways
20 Apr - 04 May	Emirates

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

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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Cheapest return flights from Istanbul to Seoul in April from 693€

Return flights