Cheapest one-way flights from Miami to Boston in March from $48

AirHint found the following cheapest one-way flights from Miami (MIA) to Boston (BOS) in March 2026 (see full year).

One-Way flights

24 Mar Spirit Airlines direct
25 Mar Spirit Airlines direct
03 Mar Spirit Airlines direct
04 Mar Frontier Airlines
04 Mar Spirit Airlines direct
02 Mar Spirit Airlines direct
26 Mar Spirit Airlines direct
05 Mar Spirit Airlines direct
06 Mar Spirit Airlines direct
10 Mar Spirit Airlines direct

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

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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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