Cheapest return flights from Seoul to Istanbul in May from 387€

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

Return flights

11 May - 17 May MIAT Mongolian Airlines
23 May - 29 May Air China
23 May - 31 May Air China
21 May - 29 May Air China
21 May - 27 May Air China
16 May - 24 May Air China
26 May - 31 May Air China
06 May - 30 Jun MIAT Mongolian Airlines
21 May - 26 May Etihad Airways
12 May - 19 May Etihad Airways
12 May - 26 May Etihad Airways
11 May - 01 Jun Etihad Airways
29 May - 05 Jun Qatar Airways
26 May - 04 Jun Qatar Airways
22 May - 02 Jun Qatar Airways
22 May - 01 Jun Qatar Airways
29 May - 08 Jun Qatar Airways
26 May - 02 Jun Qatar Airways
25 May - 04 Jun Qatar Airways
25 May - 05 Jun Qatar Airways

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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