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

Return flights

29 Apr - 06 May	Qatar Airways
15 Apr - 19 Apr	AirAsia X
13 Apr - 27 Apr	AirAsia X
20 Apr - 30 Apr	AirAsia X
05 Apr - 10 Apr	Qatar Airways
01 Apr - 28 Apr	AirAsia X
02 Apr - 15 Apr	Qatar Airways
25 Apr - 04 May	Qatar Airways
21 Apr - 30 Apr	Air Arabia Abu Dhabi
05 Apr - 14 Apr	AirAsia X
27 Apr - 03 May	Qatar Airways
03 Apr - 10 Apr	Qatar Airways
02 Apr - 13 Apr	Air Arabia
30 Apr - 07 May	Qatar Airways
18 Apr - 02 May	Qatar Airways
20 Apr - 10 May	Qatar Airways
25 Apr - 02 May	Qatar Airways
15 Apr - 02 May	AirAsia X
20 Apr - 11 May	AirAsia X
22 Apr - 01 May	Qatar Airways

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 585€

Return flights