Cheapest return flights from Seoul to Istanbul in April from $610

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

Return flights

30 Apr - 05 May Etihad Airways
09 Apr - 19 Apr Etihad Airways
07 Apr - 21 Apr Etihad Airways
14 Apr - 30 Apr Etihad Airways
16 Apr - 20 Apr Etihad Airways
09 Apr - 20 Apr Etihad Airways
23 Apr - 30 Apr Etihad Airways
09 Apr - 12 Apr Etihad Airways
28 Apr - 07 May Etihad Airways
30 Apr - 11 May Etihad Airways
01 Apr - 14 Apr Etihad Airways
03 Apr - 07 Apr Etihad Airways
17 Apr - 26 Apr Etihad Airways
29 Apr - 06 May Qatar Airways
29 Apr - 01 May Qatar Airways
30 Apr - 06 May Qatar Airways
25 Apr - 05 May Etihad Airways
30 Apr - 09 May Etihad Airways
30 Apr - 04 May Etihad Airways
29 Apr - 04 May Qatar Airways

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

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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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