AirHint found the following cheapest one-way flights from Kolkata (CCU) to Hanoi (HAN) in December 2025 (see full year).
One-Way flights
| 15 Dec | Thai Lion Air | ||
| 03 Dec | IndiGo | direct | |
| 11 Dec | Thai AirAsia | ||
| 10 Dec | Thai AirAsia | ||
| 12 Dec | Thai AirAsia | ||
| 16 Dec | Thai AirAsia | ||
| 30 Dec | IndiGo | ||
| 28 Dec | IndiGo | ||
| 29 Dec | IndiGo | ||
| 02 Dec | Thai AirAsia |
Also check the deals for return flights from Kolkata to Hanoi in December.
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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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