AirHint found the following cheapest return flights from Kolkata (CCU) to Seoul (ICN) in February 2026 (see full year).

Return flights

09 Feb - 20 Mar	IndiGo
12 Feb - 22 Feb	IndiGo
08 Feb - 19 Mar	IndiGo
09 Feb - 19 Mar	IndiGo
01 Feb - 08 Feb	IndiGo
13 Feb - 22 Feb	IndiGo
22 Feb - 16 Mar	IndiGo
22 Feb - 20 Mar	IndiGo
27 Feb - 06 Mar	IndiGo
14 Feb - 21 Feb	Air India
23 Feb - 20 Mar	Singapore Airlines
23 Feb - 16 Mar	Thai Airways
13 Feb - 14 Feb	IndiGo

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

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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Cheapest return flights from Kolkata to Seoul in February from $373

Return flights