Cheapest return flights from Seoul to Istanbul in April from 648€
AirHint found the following cheapest return flights from Seoul (GMP) to Istanbul (IST)
in April 2026 (see full year ).
Return flights
01 Apr
- 06 Apr
China Southern
648 €
08 Apr
- 13 Apr
China Southern
648 €
08 Apr
- 20 Apr
China Southern
648 €
20 Apr
- 25 Apr
China Southern
648 €
08 Apr
- 16 Apr
China Southern
648 €
12 Apr
- 25 Apr
China Southern
648 €
13 Apr
- 25 Apr
China Southern
648 €
01 Apr
- 16 Apr
China Southern
648 €
01 Apr
- 13 Apr
China Southern
648 €
20 Apr
- 27 Apr
China Southern
649 €
30 Apr
- 12 May
Air China
727 €
20 Apr
- 02 May
China Southern
772 €
30 Apr
- 08 May
Air China
797 €
28 Apr
- 05 May
Air China
797 €
23 Apr
- 06 May
Air China
797 €
28 Apr
- 03 May
Air China
797 €
23 Apr
- 07 May
Air China
798 €
28 Apr
- 07 May
Air China
801 €
13 Apr
- 16 May
China Southern
853 €
27 Apr
- 11 May
China Southern
853 €
Also check the deals for one-way flights from Seoul to Istanbul in April .
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