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

Return flights

05 Apr - 25 Apr	AirAsia X
01 Apr - 19 Apr	AirAsia X
10 Apr - 21 Apr	AirAsia X
22 Apr - 08 May	AirAsia X
06 Apr - 15 Apr	AirAsia X
01 Apr - 11 Apr	AirAsia X
12 Apr - 24 Apr	AirAsia X
05 Apr - 11 Apr	AirAsia X
03 Apr - 10 Apr	AirAsia X
30 Apr - 17 May	Kuwait Airways
19 Apr - 29 Apr	AirAsia X
02 Apr - 09 Apr	Qatar Airways
30 Apr - 07 May	Qatar Airways
19 Apr - 04 May	Qatar Airways
15 Apr - 15 May	Qatar Airways
23 Apr - 02 May	Qatar Airways
27 Apr - 02 May	Qatar Airways
23 Apr - 01 May	Qatar Airways
23 Apr - 10 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 551€

Return flights