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

Return flights

12 Mar - 27 Mar	Air China
10 Mar - 20 Mar	Air China
05 Mar - 08 Mar	Air China
12 Mar - 15 Mar	Air China
05 Mar - 18 Mar	Air China
07 Mar - 13 Mar	Air China
05 Mar - 11 Mar	Air China
28 Mar - 05 Apr	Air China
19 Mar - 29 Mar	Air China
12 Mar - 20 Mar	Air China
10 Mar - 13 Mar	Air China
24 Mar - 05 Apr	Air China
31 Mar - 07 Apr	Etihad Airways
27 Mar - 05 Apr	Etihad Airways
24 Mar - 04 Apr	Etihad Airways
30 Mar - 13 Apr	Etihad Airways
27 Mar - 04 Apr	Etihad Airways
31 Mar - 02 Apr	Etihad Airways
25 Mar - 15 Apr	Qatar Airways
30 Mar - 06 Apr	Etihad Airways

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

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

Cheapest return flights from Seoul to Istanbul in March from 422€

Return flights