Cheapest return flights from Seoul to Istanbul in September from 483€

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

Return flights

17 Sep - 22 Sep Air China
10 Sep - 16 Sep Air China
10 Sep - 17 Sep Air China
13 Sep - 15 Oct China Southern
01 Sep - 09 Sep Air China
08 Sep - 11 Oct Air China
08 Sep - 13 Oct Air China
12 Sep - 22 Sep Air China
15 Sep - 22 Oct Air China
11 Sep - 15 Oct China Southern
18 Sep - 24 Sep China Southern
10 Sep - 16 Oct Air China
12 Sep - 18 Sep Air China
05 Sep - 11 Sep Air China
03 Sep - 13 Sep Air China
26 Sep - 02 Oct Air China
30 Sep - 29 Oct China Southern
13 Sep - 26 Sep China Southern
21 Sep - 03 Oct China Southern
20 Sep - 04 Oct ANA

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.