Cheapest return flights from Seoul to Istanbul in April from 525€

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

Return flights

23 Apr - 30 Apr Etihad Airways
22 Apr - 29 Apr Qatar Airways
21 Apr - 27 Apr Qatar Airways
17 Apr - 29 Apr Qatar Airways
17 Apr - 30 Apr Qatar Airways
24 Apr - 06 May Qatar Airways
22 Apr - 01 May Qatar Airways
17 Apr - 01 May Qatar Airways
14 Apr - 28 Apr Qatar Airways
13 Apr - 22 Apr Qatar Airways
13 Apr - 27 Apr Qatar Airways
16 Apr - 30 Apr Qatar Airways
17 Apr - 23 Apr Qatar Airways
13 Apr - 01 May Qatar Airways
14 Apr - 08 May Qatar Airways
23 Apr - 06 May Qatar Airways
24 Apr - 05 May Qatar Airways
24 Apr - 26 May Qatar Airways
24 Apr - 04 May Qatar Airways
20 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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