AirHint found the following cheapest return flights from Istanbul (IST) to Seoul (ICN)
in April 2025 (see full year ).
Return flights
10 Apr
- 16 Apr
MIAT Mongolian Airlines
537 €
07 Apr
- 06 May
China Southern
576 €
28 Apr
- 11 May
China Southern
596 €
04 Apr
- 13 Apr
China Southern
601 €
02 Apr
- 10 Apr
China Southern
604 €
07 Apr
- 10 Apr
China Southern
606 €
24 Apr
- 14 May
MIAT Mongolian Airlines
611 €
08 Apr
- 23 Apr
MIAT Mongolian Airlines
612 €
10 Apr
- 23 Apr
MIAT Mongolian Airlines
612 €
17 Apr
- 23 Apr
MIAT Mongolian Airlines
612 €
13 Apr
- 23 Apr
MIAT Mongolian Airlines
612 €
10 Apr
- 10 May
MIAT Mongolian Airlines
612 €
24 Apr
- 04 May
MIAT Mongolian Airlines
616 €
08 Apr
- 16 Apr
MIAT Mongolian Airlines
618 €
03 Apr
- 10 Apr
China Southern
629 €
24 Apr
- 03 May
MIAT Mongolian Airlines
647 €
27 Apr
- 05 May
MIAT Mongolian Airlines
653 €
23 Apr
- 10 May
Thai Airways
656 €
27 Apr
- 04 May
MIAT Mongolian Airlines
658 €
30 Apr
- 11 May
Thai Airways
659 €
Also check the deals for one-way flights from Istanbul to Seoul in April .
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.