Cheapest return flights from Boston to Miami in December from $172

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

Return flights

30 Dec - 06 Jan Frontier Airlines
31 Dec - 07 Jan Delta
30 Dec - 07 Jan Frontier Airlines
20 Dec - 24 Dec Frontier Airlines
20 Dec - 17 Jan Frontier Airlines
31 Dec - 06 Jan Frontier Airlines
30 Dec - 05 Jan Frontier Airlines
14 Dec - 21 Dec Frontier Airlines
15 Dec - 20 Dec Frontier Airlines
15 Dec - 23 Dec Frontier Airlines
30 Dec - 01 Jan Frontier Airlines
15 Dec - 18 Dec Frontier Airlines
20 Dec - 27 Dec Frontier Airlines
20 Dec - 22 Dec Frontier Airlines
15 Dec - 22 Dec Frontier Airlines
18 Dec - 27 Dec Frontier Airlines
20 Dec - 20 Dec Frontier Airlines
20 Dec - 01 Jan Frontier Airlines
31 Dec - 05 Jan Frontier Airlines
29 Dec - 10 Jan Frontier Airlines

Also check the deals for one-way flights from Boston to Miami 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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