BOSMIA
Boston → Miami · Allegiant Air
Nonstop · Nov 14
Great dealRecent pricesCheapest recent fare this month
Round-trip
$76
Route guide · 1,260 miles
Cheap Flights from Boston to Miami
BOS → MIA · Nonstop 3h 4m · Live round-trip fares
Looking for cheap flights from Boston to Miami? You're in the right place. Airfare Deal tracks live fares on this 1,260-mile route around the clock. We recently spotted fares from $76 on Allegiant Air. As a rule of thumb, booking 3–6 weeks ahead lands the best prices — and a free fare alert means you never have to keep refreshing the page.
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Cheapest recent fare
$76
Allegiant Air
Flight time
3h 4m
Nonstop, typical
Distance
1,260 mi
BOS → MIA
Cheapest month
November 2026
Fares from $76
Nonstop airlines
3
Southwest Airlines, Spirit Airlines & more
Nonstop flights from Boston to Miami
Want to skip the layover? Nonstops from Boston to Miami are flown by Southwest Airlines, Spirit Airlines, Delta Air Lines, getting you there in about 3h 4m. For the lowest fares, book around 3–6 weeks before departure — last-minute nonstops on this route rarely come cheap.
Booking insights: Boston → Miami
- Distance: 1,260 miles · nonstop flight time: 3h 4m.
- Lowest recent fare we found: $76 on Allegiant Air. Anything near that level is worth grabbing.
- Cheapest upcoming week in the live data starts around Nov 12, with fares from $76.
- Of the months we're tracking right now, November 2026 has the lowest fares, starting at $76.
- Rule of thumb for this route: the sweet spot is usually 3–6 weeks before departure.
- Tuesday and Wednesday departures usually undercut Friday and Sunday fares on routes like this one.
- Set a free Airfare Deal alert instead of checking daily — the best fares can sell out in hours.
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Price trend
Cheapest departure weeks ahead
$189Oct 15
$140Oct 22
$81Nov 5
$76Nov 12
Departing around Nov 12 is currently the cheapest window — about $113 less than the nearest weeks. Based on recent fares found for this route; prices change quickly.
Cheapest month · Boston → Miami
November 2026
Every date's recent round-trip fare, at a glance.
Fares from
$76
Su
Mo
Tu
We
Th
Fr
Sa
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$181
7
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8
$129
9
$114
10
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11
$81
12
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13
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14
$76
Best price15
$118
16
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18
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20
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22
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Best priceGood priceStandard
Cheapest: Sat, Nov 14 — $76 · Priciest: Nov 6 — $181
Get this fare →Recent fares found for specific dates in November 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
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Flying from Boston to Miami: what you need to know
The flight
Boston to Miami is a proper cross-country leg — 1,260 miles and around 3h 4m in the air nonstop. Download entertainment before you board, bring a full water bottle, and think about the time change: even a two-hour shift can leave you groggy if you land late and start early.
Airlines on this route
Southwest Airlines, Spirit Airlines and Delta Air Lines fly this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Boston (BOS)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Boston airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Miami (MIA)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Miami airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Miami to Boston fares — prices on the return direction often move on a different rhythm.
When to book
Of the months we're currently tracking, November 2026 is coming in cheapest for this route, with fares from $76. As a rule, booking 3–6 weeks ahead lands you in the sweet spot — leave it to the final two weeks and prices usually climb. If you see a fare that works, don't wait around: set a fare alert on this page and we'll watch the price for you.
Good to know before you go
- Tuesday and Wednesday departures are typically the cheapest days on domestic routes.
- Screenshot your fare before you enquire — prices move, and a saved fare helps our team match or beat it.
- November 2026 is currently the cheapest tracked month on this route — check those dates first if you're flexible.
- Morning flights are delayed less often than evening ones — earlier departures have the best on-time record.
- Basic economy fares often exclude checked bags and seat selection. Price the whole trip, not the headline fare.
Boston to Miami flight FAQs
How long is the flight from BOS to MIA?
Nonstop flights from Boston to Miami take about 3h 4m and cover roughly 1,260 miles. One-stop itineraries add 2–4 hours depending on the layover city.
Are there nonstop flights from Boston to Miami?
Yes — look for Southwest Airlines, Spirit Airlines, Delta Air Lines on this route. Nonstop seats are usually priced best 3–6 weeks before departure.
What is the cheapest month to fly from Boston to Miami?
Of the months we're tracking right now, November 2026 has the lowest fares from Boston to Miami, starting at $76. Fares update as new data comes in, so it's worth setting a free alert for your dates.
How much are last minute flights from BOS to MIA?
Book inside the final week and you'll usually pay a premium on BOS to MIA. Fares booked 3–6 weeks ahead are almost always kinder.
What is a good round-trip deal from Boston to Miami?
We recently found fares from $76 on Allegiant Air. Anything at or below that level is a strong deal — set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Boston to Miami?
The main carriers on this route are Southwest Airlines, Spirit Airlines, Delta Air Lines. Comparing all of them on the live search below usually surfaces the lowest fare for your dates.
How early should I get to Boston airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
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