Cheapest return flights from Kolkata to Seoul in September from 420€

AirHint found the following cheapest return flights from Kolkata (CCU) to Seoul (ICN) in September 2025 (see full year).

Return flights

18 Sep - 22 Sep IndiGo
14 Sep - 21 Sep Air India
30 Sep - 12 Oct IndiGo
29 Sep - 07 Oct Air India
15 Sep - 22 Sep Malaysia Airlines
23 Sep - 27 Sep IndiGo
15 Sep - 29 Sep Thai Airways
14 Sep - 28 Sep Thai Airways
13 Sep - 20 Sep Air India
12 Sep - 19 Sep Thai Airways
28 Sep - 05 Oct IndiGo

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

Skyscanner

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.

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