Flights Boston → Miami — September 14, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Monday, September 14, 2026 on the Boston–Miami route: 1 stop itinerary (2 flights) via St Louis (STL), from Boston Logan (BOS) to Miami International (MIA), first flight Southwest Airlines WN4968, departs 5:00 AM, arrives 4:10 PM, total travel time 11h 10m including layovers, flight time 5h 30m (layovers excluded), $253 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 5, 2026 and read by AirSource on September 10, 2026, 20:47 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: American Airlines AA1418, from Boston Logan (BOS) to Miami International (MIA), departs 6:00 AM, arrives 9:32 AM, direct, 3h 32m, $277 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes not allowed, non-refundable.