AirHint found the following cheapest one-way flights from New York (LGA) to Miami (MIA) in December 2025 (see full year).

One-Way flights

08 Dec	Delta	direct
02 Dec	Delta	direct
17 Dec	Southwest Airlines
15 Dec	Southwest Airlines
06 Dec	Delta	direct
15 Dec	Delta	direct
05 Dec	Delta	direct
24 Dec	Frontier Airlines
24 Dec	American Airlines	direct
12 Dec	Delta	direct

Also check the deals for return flights from New York to Miami 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 one-way flights from New York to Miami in December from 63€

One-Way flights