Cheapest return flights from Seoul to Istanbul in April from $543

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

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

Return flights

17 Apr - 29 Apr Etihad Airways
15 Apr - 29 Apr Etihad Airways
09 Apr - 19 Apr Etihad Airways
19 Apr - 26 Apr Etihad Airways
12 Apr - 19 Apr Etihad Airways
26 Apr - 03 May Etihad Airways
30 Apr - 09 May Qatar Airways
30 Apr - 12 May Qatar Airways
21 Apr - 30 Apr Qatar Airways
21 Apr - 28 Apr Qatar Airways
21 Apr - 02 May Qatar Airways
21 Apr - 01 May Qatar Airways
30 Apr - 06 May Qatar Airways
05 Apr - 17 Apr Qatar Airways
20 Apr - 30 Apr Qatar Airways
25 Apr - 06 May Qatar Airways
25 Apr - 05 May Qatar Airways
20 Apr - 05 May Qatar Airways
25 Apr - 09 May Qatar Airways
13 Apr - 18 Apr Qatar Airways

Also check the deals for one-way 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