AirHint found the following cheapest return flights from New York (JFK) to Hanoi (HAN) in March 2026 (see full year).

Return flights

03 Mar - 17 Mar	Cathay Pacific
24 Mar - 07 Apr	Cathay Pacific
04 Mar - 11 Mar	Cathay Pacific
03 Mar - 12 Mar	Delta
31 Mar - 20 Apr	Delta
10 Mar - 19 Mar	Cathay Pacific
02 Mar - 17 Mar	Cathay Pacific
20 Mar - 13 Apr	Cathay Pacific
11 Mar - 25 Mar	Asiana Airlines
27 Mar - 13 Apr	Cathay Pacific
05 Mar - 19 Apr	Air India
27 Mar - 12 Apr	Cathay Pacific
20 Mar - 05 Apr	Cathay Pacific
13 Mar - 27 Mar	Korean Air
20 Mar - 04 Apr	Asiana Airlines
21 Mar - 28 Mar	Air India
26 Mar - 12 Apr	Air India
26 Mar - 13 Apr	Air India

Also check the deals for one-way flights from New York to Hanoi in March.

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 March from 672€

Return flights