Cheapest return flights from Kolkata to Hanoi in October from $342

AirHint found the following cheapest return flights from Kolkata (CCU) to Hanoi (HAN) in October 2025 (see full year).

Return flights

29 Oct - 05 Nov Thai AirAsia
29 Oct - 06 Nov Thai AirAsia
29 Oct - 27 Nov Thai AirAsia
30 Oct - 03 Nov Thai AirAsia
26 Oct - 02 Nov IndiGo
27 Oct - 30 Oct Thai AirAsia
28 Oct - 31 Oct Thai AirAsia
27 Oct - 01 Nov Thai AirAsia
27 Oct - 03 Nov Thai AirAsia
25 Oct - 30 Oct Thai AirAsia
26 Oct - 31 Oct Thai AirAsia
25 Oct - 01 Nov Thai AirAsia
24 Oct - 31 Oct IndiGo
23 Oct - 27 Oct IndiGo
30 Oct - 03 Nov IndiGo direct
27 Oct - 01 Nov IndiGo direct
27 Oct - 30 Oct IndiGo direct
23 Oct - 27 Oct IndiGo direct
24 Oct - 27 Oct IndiGo direct
28 Oct - 31 Oct IndiGo direct

Also check the deals for one-way 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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