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

Return flights

16 May - 23 May	Thai Lion Air
14 May - 19 May	Thai AirAsia
23 May - 28 May	Thai Lion Air
04 May - 11 May	Malaysia Airlines
25 May - 30 May	Thai AirAsia
25 May - 30 May	IndiGo	direct
23 May - 28 May	IndiGo	direct
14 May - 19 May	IndiGo	direct
04 May - 11 May	IndiGo	direct
16 May - 23 May	IndiGo	direct

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

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 May from 278€

Return flights