Cheapest return flights from Istanbul to Seoul in April from $758

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

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

Return flights

01 Apr - 08 Apr MIAT Mongolian Airlines
05 Apr - 13 Apr LOT
12 Apr - 19 Apr LOT
12 Apr - 19 Apr Korean Air direct
17 Apr - 22 Apr Lufthansa
12 Apr - 18 Apr Korean Air direct
14 Apr - 19 Apr Korean Air direct
04 Apr - 11 Apr Korean Air direct
04 Apr - 19 Apr Korean Air direct
01 Apr - 06 Apr Lufthansa
29 Apr - 13 May Qatar Airways
29 Apr - 14 May Qatar Airways
17 Apr - 01 May Qatar Airways
17 Apr - 01 May Turkish Airlines direct
30 Apr - 05 May Thai Airways

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