Cheapest return flights from Seoul to Istanbul in May from 495€
AirHint found the following cheapest return flights from Seoul (GMP) to Istanbul (IST)
in May 2026 (see full year ).
Return flights
11 May
- 01 Jun
China Southern
495 €
25 May
- 08 Jun
China Southern
527 €
25 May
- 01 Jun
China Southern
528 €
25 May
- 09 Jun
China Southern
528 €
25 May
- 04 Jun
China Southern
531 €
23 May
- 29 May
Air China
541 €
21 May
- 22 May
Air China
541 €
23 May
- 26 May
Air China
542 €
19 May
- 26 May
Air China
542 €
23 May
- 28 May
Air China
542 €
21 May
- 31 May
Air China
542 €
27 May
- 03 Jun
Air China
545 €
22 May
- 01 Jun
China Southern
571 €
24 May
- 02 Jun
China Southern
571 €
24 May
- 01 Jun
China Southern
572 €
24 May
- 08 Jun
China Southern
572 €
06 May
- 17 May
Air China
623 €
03 May
- 11 May
China Southern
648 €
11 May
- 15 May
Air China
655 €
23 May
- 27 May
Air China
655 €
Also check the deals for one-way flights from Seoul to Istanbul in May .
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