Cheapest return flights from Boston to Miami in May from $99

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

Return flights

09 May - 16 May Spirit Airlines direct
23 May - 30 May Spirit Airlines direct
13 May - 19 May Spirit Airlines direct
16 May - 19 May Spirit Airlines direct
05 May - 16 May Spirit Airlines direct
05 May - 19 May Spirit Airlines direct
05 May - 23 May Spirit Airlines direct
05 May - 12 May Spirit Airlines direct
05 May - 13 May Spirit Airlines direct
05 May - 14 May Spirit Airlines direct
26 May - 02 Jun Spirit Airlines direct
26 May - 03 Jun Spirit Airlines direct
20 May - 02 Jun Spirit Airlines direct
20 May - 03 Jun Spirit Airlines direct
23 May - 02 Jun Spirit Airlines direct
23 May - 03 Jun Spirit Airlines direct
14 May - 02 Jun Spirit Airlines direct
14 May - 03 Jun Spirit Airlines direct
26 May - 09 Jun Spirit Airlines direct
26 May - 10 Jun Spirit Airlines direct

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

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