AirHint found the following cheapest one-way flights from Kolkata (CCU) to Hanoi (HAN) in October 2025 (see full year).
One-Way flights
| 29 Oct | Thai AirAsia | ||
| 30 Oct | Thai Lion Air | ||
| 26 Oct | IndiGo | ||
| 25 Oct | Thai AirAsia | ||
| 30 Oct | IndiGo | direct | |
| 24 Oct | IndiGo | ||
| 27 Oct | IndiGo | direct | |
| 29 Oct | IndiGo | direct |
Also check the deals for return flights from Kolkata to Hanoi in October.
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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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