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

Return flights

14 Feb - 22 Feb	IndiGo	direct
16 Feb - 22 Feb	IndiGo	direct
12 Feb - 18 Feb	IndiGo	direct
17 Feb - 24 Feb	IndiGo	direct
16 Feb - 23 Feb	IndiGo	direct
09 Feb - 17 Feb	Thai VietJet Air
11 Feb - 17 Feb	IndiGo
28 Feb - 08 Mar	IndiGo	direct
11 Feb - 15 Feb	IndiGo	direct
22 Feb - 26 Feb	IndiGo
26 Feb - 03 Mar	Thai AirAsia
26 Feb - 04 Mar	Thai AirAsia
21 Feb - 26 Feb	IndiGo	direct
26 Feb - 03 Mar	IndiGo	direct
26 Feb - 04 Mar	IndiGo	direct
28 Feb - 05 Mar	IndiGo	direct
28 Feb - 05 Mar	IndiGo

Also check the deals for one-way flights from Kolkata to Hanoi 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 Hanoi in February from $196

Return flights