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

Return flights

24 May - 02 Jun	Pegasus Airlines
18 May - 25 May	Air Arabia
10 May - 22 May	AZAL
22 May - 07 Jun	Air Arabia
23 May - 07 Jun	Flynas
01 May - 29 May	AJet
28 May - 16 Jun	AJet
24 May - 12 Jun	Pegasus Airlines
05 May - 19 May	Pegasus Airlines
01 May - 13 May	Pegasus Airlines
28 May - 15 Jun	AJet
10 May - 12 Jun	AZAL
14 May - 01 Jun	AJet
16 May - 23 May	Air Arabia
17 May - 02 Jun	Pegasus Airlines
17 May - 23 May	Pegasus Airlines
02 May - 11 May	AJet
01 May - 08 May	Pegasus Airlines
29 May - 13 Jun	Pegasus Airlines
14 May - 28 May	AJet

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

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 May from $678

Return flights