AirHint found the following cheapest return flights from Kolkata (CCU) to Seoul (ICN) in December 2025 (see full year).
Return flights
| 16 Dec - 22 Dec | Thai Airways | ||
| 22 Dec - 02 Jan | Air India | ||
| 27 Dec - 08 Jan | Air India | ||
| 21 Dec - 02 Jan | Air India | ||
| 25 Dec - 31 Dec | Thai Airways |
Also check the deals for one-way flights from Kolkata to Seoul in December.
Powered by
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.
Find us on social media