Boston to Miami BOS → MIA
Logan International Airport (BOS) → Miami International Airport (MIA)
The cheapest return found recently is $360 with Frontier Airlines, 23 Oct – 26 Oct, found 17 hours ago. The cheapest one-way found recently is $151 with Frontier Airlines, 23 Nov, found yesterday.
Return
The cheapest return fare on each of 19 departure dates is usually $234 to $381.
Cheapest return found recently
$360
23 Oct – 26 Oct · Frontier Airlines
Logan International Airport (BOS) → Miami International Airport (MIA)
Leaves 12:57 p.m. · Return leaves 5:15 a.m. · 15 h 35 min of travel, both ways together
out 1 stop, back 1 stop · via Hartsfield-Jackson Atlanta International Airport (ATL)
found 17 hours ago
Cheapest nonstop return
$536
23 Oct – 27 Oct · American Airlines
Logan International Airport (BOS) → Miami International Airport (MIA)
Leaves 5:00 a.m. · Return leaves 12:59 a.m. · 6 h 46 min of travel, both ways together
out nonstop, back nonstop
found 17 hours ago
Every nonstop date from Boston to Miami
Found recently, and the cheapest we hold
$360 23 Oct – 26 Octfound 17 hours agoSee prices for these dates
$185 10 Nov – 12 Novfound 3 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $152 to $217.
At $360, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 19 departure dates from 21 Oct to 8 May 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold 3-night return fares on 1 other departure date within 3 days of 23 Oct, and it is not cheaper.
Every date we hold
119 fares on 19 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 21 Oct – 24 Oct | $389 | Frontier Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 22 Oct – 23 Oct | $408 | Frontier Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 23 Oct – 26 Oct | $360 | Frontier Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 17 hours ago | See prices for these dates |
| 25 Oct – 20 Nov | $357 | Frontier Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 27 Oct – 29 Oct | $285 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 28 Oct – 1 Nov | $230 | Frontier Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 29 Oct – 6 Nov | $320 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 1 Nov – 13 Nov | $297 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out 1 stop, back nonstop | found 5 days ago | See prices for these dates |
| 3 Nov – 7 Nov | $197 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 10 Nov – 12 Nov | $185 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 11 Nov – 13 Nov | $197 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 17 Nov – 19 Nov | $232 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out nonstop, back 1 stop | found 3 days ago | See prices for these dates |
| 4 Dec – 18 Dec | $368 | Frontier Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 10 Dec – 13 Dec | $236 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out nonstop, back nonstop | found 7 days ago | See prices for these dates |
| 23 Dec – 30 Dec | $472 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 28 Dec – 3 Jan 2027 | $510 | Frontier Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out 1 stop, back 2 stops | found 6 days ago | See prices for these dates |
| 8 Jan 2027 – 11 Jan 2027 | $318 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out 1 stop, back nonstop | found 4 days ago | See prices for these dates |
| 4 Mar 2027 – 14 Mar 2027 | $447 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 8 May 2027 – 16 May 2027 | $373 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $185.
Airlines on the cheapest dates: American Airlines, Frontier Airlines.
One-way
The cheapest one-way fare on each of 10 departure dates is usually $109 to $148.
Cheapest one-way found recently
$151
23 Nov · Frontier Airlines
Logan International Airport (BOS) → Miami International Airport (MIA)
Leaves 8:36 a.m. · 6 h 54 min trip
1 stop · via Hartsfield-Jackson Atlanta International Airport (ATL)
found yesterday
Cheapest nonstop one-way
$205
23 Nov · American Airlines
Logan International Airport (BOS) → Miami International Airport (MIA)
Leaves 6:00 a.m. · 3 h 38 min trip
nonstop
found yesterday
Every nonstop date from Boston to Miami
Found recently, and the cheapest we hold
$151 23 Novfound yesterdayOpen this trip
$75 14 Novfound 4 days agoOpen this trip
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $75 to $108.
At $151, the cheapest one-way found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 10 departure dates from 24 Oct to 2 May 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 23 Nov to compare.
Every date we hold
60 fares on 10 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 24 Oct | $168 | Frontier Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | 1 stop | found 3 days ago | Open this trip |
| 28 Oct | $140 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | nonstop | found 6 days ago | Open this trip |
| 9 Nov | $114 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | nonstop | found 7 days ago | Open this trip |
| 14 Nov | $75 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | nonstop | found 4 days ago | Open this trip |
| 23 Nov | $151 | Frontier Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | 1 stop | found yesterday | Open this trip |
| 2 Dec | $107 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | nonstop | found 6 days ago | Open this trip |
| 5 Dec | $105 | American Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | nonstop | found 4 days ago | Open this trip |
| 9 Dec | $122 | Southwest Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | 1 stop | found 5 days ago | Open this trip |
| 10 Dec | $135 | jetBlue | Logan International Airport (BOS) → Miami International Airport (MIA) | 1 stop | found 5 days ago | Open this trip |
| 2 May 2027 | $225 | United Airlines | Logan International Airport (BOS) → Miami International Airport (MIA) | 1 stop | found 6 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $75.
Airlines on the cheapest dates: American Airlines, Frontier Airlines, Southwest Airlines, jetBlue, United Airlines.
Premium cabin fares from Boston to Miami
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 23 Oct – 26 Oct in another cabin: Premium economy · Business · First
Today's prices for 23 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Boston to Miami?
Return
Fares 30 to 59 days before departure were typically 56% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $356 | $243 | +125% | 12 |
| 7–13 days | $356 | $230 | +125% | 23 |
| 14–29 days | $185 | $152 | +17% | 25 |
| 30–59 days | $158 | $152 | Cheapest seen | 25 |
| 60–89 days | $313 | $217 | +98% | 21 |
| 90–179 days | $237 | $199 | +50% | 24 |
| 180+ days | $372 | $356 | +135% | 25 |
One-way
The cheapest fares were 30 to 59 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 14–29 days | $96 | $75 | +4% | 24 |
| 30–59 days | $92 | $79 | Cheapest seen | 25 |
| 60–89 days | $102 | $98 | +10% | 19 |
| 90–179 days | $118 | $98 | +28% | 18 |
| 180+ days | $226 | $213 | +145% | 25 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Boston → Fort Lauderdale
40 km from Miami
$260
$100 less than flying to Miami
4 Feb 2027 – 14 Feb 2027 · BOS → FLL · out nonstop, back nonstop
found yesterday
Providence → Miami
66 km from Boston
$347
$13 less than flying from Boston
28 Oct – 29 Oct · PVD → MIA · out 2 stops, back 1 stop
found 6 days ago
Hartford → Miami
142 km from Boston
$642
$282 more than flying from Boston
28 Dec – 3 Jan 2027 · BDL → MIA · out 1 stop, back 1 stop
found 6 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Boston → Fort Lauderdale
40 km from Miami
$69
$82 less than flying to Miami
12 Nov · BOS → FLL · nonstop
found 3 days ago
Hartford → Miami
142 km from Boston
$152
$1 more than flying from Boston
27 Jan 2027 · BDL → MIA · 1 stop
found 3 days ago
Boston → West Palm Beach
107 km from Miami
$216
$65 more than flying to Miami
10 May 2027 · BOS → DJT · nonstop
found 3 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 23 Oct – 26 Oct. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work