Cheap flights from Miami to Boston
The cheapest round trip from Miami to Boston that travelers found recently is $189 with a carry-on: a $189 fare on Southwest, which usually includes a carry-on. It leaves Wed, Nov 11 and comes back Wed, Nov 18.
Live prices for Wed, Nov 11 to Wed, Nov 18
Cheapest trips travelers found recently
| Leave | Return | Airline | Airports | Stops | Fare | Carry-on (est.) | Total | Live prices |
|---|---|---|---|---|---|---|---|---|
| Wed, Nov 11 | Wed, Nov 18 | Southwest | MIA → BOS | 1 stop | $189 | Included | $189 | Live price |
| Thu, Feb 4 | Sun, Feb 7 | American Airlines | MIA → BOS | Nonstop | $236 | Included | $236 | Live price |
| Fri, Oct 30 | Mon, Nov 2 | American Airlines | MIA → BOS | Nonstop | $296 | Included | $296 | Live price |
| Thu, Oct 29 | Mon, Nov 2 | Allegiant | FLL → BOS | Nonstop | $226 | +$110 | $336 | Live price |
| Sun, Oct 18 | Tue, Oct 20 | Southwest | MIA → BOS | 1 stop | $505 | Included | $505 | Live price |
| Thu, Oct 15 | Sun, Oct 18 | American Airlines | MIA → BOS | Nonstop | $541 | Included | $541 | Live price |
| Mon, Dec 21 | Mon, Dec 28 | Frontier | MIA → BOS | 1 stop | $431 | +$110 | $541 | Live price |
| Fri, Jan 1 | Mon, Jan 4 | Frontier | FLL → BOS | 1 stop | $433 | +$110 | $543 | Live price |
Round-trip prices per person, from real fares travelers found in the last few days. Carry-on fees are our estimate for each airline, both ways. Prices change fast: check the live price before you book.
Cheapest month to fly
| Month | Cheapest trip | From | Live prices |
|---|---|---|---|
| October 2026 | Fri, Oct 30 to Mon, Nov 2, 3 nights | $296 | Live price |
| November 2026 | Wed, Nov 11 to Wed, Nov 18, 7 nights | $189 | Live price |
| December 2026 | Mon, Dec 21 to Mon, Dec 28, 7 nights | $541 | Live price |
| January 2027 | Fri, Jan 1 to Mon, Jan 4, 3 nights | $543 | Live price |
| February 2027 | Thu, Feb 4 to Sun, Feb 7, 3 nights | $236 | Live price |
Bag fees on this route
What the airlines flying Miami to Boston usually charge for one bag each way. Budget airlines often sell the cheapest fares and charge the most for bags, so compare the total, not the fare.
| Airline | Carry-on, each way | Checked bag, each way |
|---|---|---|
| Allegiant | $55 | $50 |
| American Airlines | Included | $40 |
| Frontier | $55 | $50 |
| Southwest | Included | $35 |
Our estimates: fees depend on the fare type and when you pay. Check the airline's own price when you book.
How these prices work
These are real round-trip fares that travelers found on Aviasales recently, not a live search, so they can change or sell out. Dipt adds an estimate of each airline's carry-on fee, so a cheap fare with expensive bags doesn't look cheaper than it is. "Live price" opens Dipt's live flight search for those dates, where you book with the airline or travel site you pick. Dipt may earn a commission when you book, at no extra cost to you (how Dipt makes money).
Not sure where to go? Tell Dipt your budget and vibe and it finds the trip.
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