Cheapest return flights from Seoul to Istanbul in April from 580€
AirHint found the following cheapest return flights from Seoul (GMP) to Istanbul (IST)
in April 2026 (see full year ).
Return flights
11 Apr
- 19 Apr
Air China
580 €
20 Apr
- 25 Apr
China Southern
622 €
10 Apr
- 18 Apr
China Southern
624 €
28 Apr
- 03 May
Air China
631 €
30 Apr
- 03 May
Air China
671 €
10 Apr
- 14 Apr
China Southern
707 €
08 Apr
- 14 Apr
China Southern
707 €
20 Apr
- 28 Apr
China Southern
710 €
03 Apr
- 09 Apr
China Southern
710 €
20 Apr
- 26 May
China Southern
710 €
15 Apr
- 23 Apr
China Southern
793 €
30 Apr
- 10 May
Air China
803 €
22 Apr
- 25 Apr
China Southern
812 €
06 Apr
- 18 Apr
China Southern
895 €
27 Apr
- 30 May
China Southern
895 €
22 Apr
- 26 May
China Southern
900 €
21 Apr
- 25 May
ANA
949 €
27 Apr
- 28 May
China Southern
983 €
24 Apr
- 30 May
China Southern
989 €
29 Apr
- 05 May
China Southern
1060 €
Also check the deals for one-way flights from Seoul to Istanbul in April .
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.
Find us on social media
Feel free to contact us with any feedback or request another flight research.
Find us on social media