Cheapest one-way flights from Seoul to Istanbul in April from 271€

AirHint found the following cheapest one-way flights from Seoul (GMP) to Istanbul (IST) in April 2026 (see full year).

One-Way flights

13 Apr China Southern
01 Apr China Southern
14 Apr Air China
27 Apr China Southern
22 Apr China Southern
23 Apr China Southern
19 Apr China Southern
12 Apr China Southern
24 Apr China Southern
25 Apr China Southern

Also check the deals for return 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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