Cheapest return flights from Seoul to Istanbul in May from $505

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

Return flights

16 May - 24 May Air China
23 May - 31 May Air China
23 May - 29 May Air China
26 May - 31 May Air China
14 May - 17 May Air China
07 May - 19 May Etihad Airways
11 May - 19 May Etihad Airways
11 May - 14 May Etihad Airways
11 May - 17 May Etihad Airways
12 May - 14 May Etihad Airways
28 May - 08 Jun China Southern
22 May - 02 Jun Qatar Airways
30 May - 07 Jun Etihad Airways
30 May - 06 Jun Etihad Airways
25 May - 01 Jun Qatar Airways
25 May - 02 Jun Qatar Airways
25 May - 05 Jun Singapore Airlines
25 May - 06 Jun Qatar Airways
21 May - 05 Jun Qatar Airways
24 May - 05 Jun Singapore Airlines

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

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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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