Cheapest one-way flights from Miami to Boston in December from $86

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

One-Way flights

25 Dec Frontier Airlines
24 Dec American Airlines direct
25 Dec American Airlines direct
31 Dec American Airlines direct
27 Dec Frontier Airlines
21 Dec Frontier Airlines
30 Dec Spirit Airlines
29 Dec Frontier Airlines
18 Dec Frontier Airlines
20 Dec Frontier Airlines

Also check the deals for return flights from Miami to Boston in December.

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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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