AirHint found the following cheapest return flights from Kolkata (CCU) to Hanoi (HAN) in January 2026 (see full year).

Return flights

29 Jan - 08 Feb	IndiGo	direct
30 Jan - 08 Feb	IndiGo	direct
31 Jan - 08 Feb	IndiGo	direct
30 Jan - 01 Feb	IndiGo	direct
26 Jan - 31 Jan	IndiGo	direct
14 Jan - 21 Feb	Thai AirAsia
06 Jan - 02 Feb	IndiGo	direct
08 Jan - 14 Jan	Thai VietJet Air
20 Jan - 21 Jan	Thai VietJet Air
17 Jan - 23 Jan	IndiGo	direct
11 Jan - 16 Jan	IndiGo	direct
15 Jan - 24 Jan	Thai VietJet Air
06 Jan - 20 Jan	IndiGo	direct
24 Jan - 30 Jan	Thai VietJet Air
14 Jan - 21 Jan	Thai AirAsia
08 Jan - 15 Jan	Thai VietJet Air
25 Jan - 01 Feb	Thai AirAsia

Also check the deals for one-way flights from Kolkata to Hanoi in January.

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 Hanoi in January from 212€

Return flights