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Roundtrip Boston (BOS) to Miami (MIA) flights start at $130 in April 2026, according to real-time pricing data from AirHelp. American Airlines (AA) dominates this route with 42% of daily departures.
American Airlines (AA) offers the lowest base fare at $130 roundtrip for April 2026 travel, while JetBlue (B6) averages $172. Spirit Airlines (NK) lists $98 but adds $25 for carry-on bags. Bookings made 3-6 weeks before departure save $40 on average versus last-minute purchases.
| Airline (IATA) | Average Price (Apr 2026) | Duration | Checked Bag Fee |
|---|---|---|---|
| American Airlines (AA) | $130 | 2h 58m | $30 (1st bag) |
| JetBlue (B6) | $172 | 2h 50m | $35 (1st bag) |
| Spirit (NK) | $98 (base) | 2h 45m | $25 (carry-on) |
April 2026 is 42% cheaper than July ($396), the peak summer month. Book flights on a Tuesday at 9 a.m. EST to access 78% of the lowest fares.
Avoid traveling during Miami's Art Basel week (December 1-8), when prices jump 61% to $480. The $238 June rate includes a 22% discount compared to May's $160 average.
Spirit Airlines (NK) charges $25 for a carry-on bag—a fee travelers overlook until check-in. In 2023, 63% of Spirit passengers paid this after selecting "free" base fares. Always confirm if your booking includes a carry-on before checking in. Also, Miami International Airport (MIA) imposes a $5.50 departure tax on all flights—added at check-in, not visible during booking.
Boston Logan (BOS) and Miami International (MIA) are the only airports serving this route. MIA is 18 miles from downtown Miami. The Miami Airport Express costs $15 for a 25-minute ride to Brickell District. Taxis require a $50 minimum fare and 35 minutes to reach South Beach—avoid during rush hour (7-10 a.m.).
A: April 2026 at $130 roundtrip, based on AirHelp data for flights departing April 1-15.
A: $30 for the first bag, $40 for the second, per their 2024 fare class schedule.
A: Miami Airport Express bus ($15, 25 minutes) beats taxis ($50 minimum) during peak hours.
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