AirHint found the following cheapest return flights from Delhi (DEL) to Hanoi (HAN) in December 2025 (see full year).

Return flights

18 Dec - 28 Dec	VietJet Air
18 Dec - 22 Dec	VietJet Air
29 Dec - 31 Dec	VietJet Air
19 Dec - 26 Dec	IndiGo
19 Dec - 28 Dec	IndiGo
16 Dec - 24 Dec	Thai AirAsia X
19 Dec - 29 Dec	IndiGo
17 Dec - 24 Dec	Air India
29 Dec - 21 Jan	VietJet Air
30 Dec - 14 Jan	VietJet Air
30 Dec - 07 Jan	VietJet Air
29 Dec - 07 Jan	VietJet Air
29 Dec - 06 Jan	VietJet Air
30 Dec - 06 Jan	VietJet Air
27 Dec - 31 Dec	IndiGo
28 Dec - 31 Dec	IndiGo
31 Dec - 15 Jan	Air India Express
29 Dec - 11 Jan	VietJet Air
29 Dec - 05 Jan	VietJet Air
31 Dec - 17 Jan	Thai AirAsia X

Also check the deals for one-way flights from Delhi to Hanoi in December.

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 Delhi to Hanoi in December from $285

Return flights