Cheapest return flights from Kolkata to Seoul in September from 414€

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

Return flights

18 Sep - 26 Sep IndiGo
21 Sep - 25 Sep IndiGo
13 Sep - 21 Sep Singapore Airlines
06 Sep - 12 Sep Malaysia Airlines
15 Sep - 23 Oct Singapore Airlines
26 Sep - 30 Sep Air India
20 Sep - 26 Sep Air India
01 Sep - 15 Sep Thai Airways
23 Sep - 01 Oct IndiGo
27 Sep - 05 Oct Air India
28 Sep - 06 Oct Thai Airways
28 Sep - 05 Oct Thai Airways

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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