Cheapest one-way flights from Seoul to Istanbul in April from $232

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

AirHint found the following cheapest one-way flights from Seoul (ICN) to Istanbul (IST) in April 2025 (see full year).

One-Way flights

16 Apr China Southern
21 Apr Asiana Airlines
09 Apr Korean Air
23 Apr Korean Air
20 Apr China Eastern
28 Apr MIAT Mongolian Airlines
27 Apr Asiana Airlines
19 Apr Asiana Airlines
25 Apr Asiana Airlines
05 Apr Asiana Airlines

Also check the deals for return flights from Seoul to Istanbul in April.

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul