Cheapest one-way flights from Boston to Miami in May from $49

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

One-Way flights

19 May Spirit Airlines direct
31 May Spirit Airlines direct
23 May Spirit Airlines direct
06 May American Airlines direct
28 May American Airlines direct
16 May Delta direct
18 May Delta
18 May Delta direct

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

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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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