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

Return flights

10 Dec - 17 Dec	Air Canada
09 Dec - 17 Dec	Air Canada
03 Dec - 21 Dec	United
08 Dec - 17 Dec	United
07 Dec - 17 Dec	United
02 Dec - 08 Dec	Japan Airlines
04 Dec - 11 Dec	United
05 Dec - 20 Dec	Korean Air
14 Dec - 21 Dec	Air Canada
26 Dec - 09 Jan	Korean Air
24 Dec - 17 Jan	Frontier Airlines
18 Dec - 24 Jan	Spirit Airlines
24 Dec - 07 Jan	Frontier Airlines
19 Dec - 17 Jan	Frontier Airlines
25 Dec - 06 Jan	Korean Air
21 Dec - 19 Jan	ANA
27 Dec - 04 Jan	Delta
20 Dec - 02 Jan	Korean Air

Also check the deals for one-way flights from New York 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 New York to Hanoi in December from $1066

Return flights