Cheap flights from Boston to Miami
Cheapest current fares: $85 in September 2026, 2,027 km direct flight in ~2h 23m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Boston (BOS) to Miami (MIA). Refreshed daily.
Boston (BOS) → Miami (MIA)
- September 2026 $85
- October 2026 $115
- August 2026 $178
- December 2026 $185
Frequently asked questions
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What is the cheapest month to fly from Boston to Miami?
Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Boston (BOS) to Miami (MIA), with fares starting from $85.
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What is the lowest current fare from BOS to MIA?
The lowest currently-listed fare from Boston (BOS) to Miami (MIA) is $85 on 2026-09-26.
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How long is the flight from Boston to Miami?
Direct flights from BOS to MIA cover approximately 2,027 km (1,260 miles), with an estimated flight time of 2h 23m. Operating airlines: AA, DL, NK.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.