Cheapest return flights from Kolkata to Seoul in September from 405€

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

Return flights

13 Sep - 19 Sep Singapore Airlines
17 Sep - 24 Sep Singapore Airlines
23 Sep - 27 Sep IndiGo
16 Sep - 20 Sep IndiGo
25 Sep - 28 Sep IndiGo
12 Sep - 20 Sep Thai Airways
15 Sep - 29 Sep Thai Airways
15 Sep - 17 Sep Thai Airways
13 Sep - 13 Sep Thai Airways
27 Sep - 05 Oct Air India

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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