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

Best time to book flights for Seoul (ICN) to Istanbul (IST) flights at AirHint

AirHint found the following cheapest return flights from Seoul (ICN) to Istanbul (IST) in October 2025 (see full year).

Return flights

07 Oct - 19 Oct MIAT Mongolian Airlines
27 Oct - 30 Oct MIAT Mongolian Airlines
24 Oct - 29 Oct Etihad Airways
17 Oct - 26 Oct Etihad Airways
10 Oct - 17 Oct Etihad Airways
27 Oct - 07 Nov Qatar Airways
12 Oct - 19 Oct Etihad Airways
20 Oct - 27 Oct China Southern
13 Oct - 20 Oct China Southern
19 Oct - 24 Oct China Southern
23 Oct - 30 Oct China Southern
27 Oct - 07 Nov Korean Air direct

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

Skyscanner

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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