Miami to Boston MIA → BOS
Miami International Airport (MIA) → Logan International Airport (BOS)
The cheapest return found recently is $427 with American Airlines, 11 Feb 2027 – 15 Feb 2027, found today. The cheapest one-way found recently is $108 with American Airlines, 5 Dec, found 4 days ago.
Return
The cheapest return fare on each of 5 departure dates is usually $273 to $386.
Cheapest return found recently
$427
11 Feb 2027 – 15 Feb 2027 · American Airlines
Miami International Airport (MIA) → Logan International Airport (BOS)
Leaves 6:50 a.m. · Return leaves 10:11 a.m. · 8 h 32 min of travel, both ways together
out nonstop, back 1 stop
found today
Cheapest nonstop return
$296
30 Oct – 2 Nov · American Airlines
Miami International Airport (MIA) → Logan International Airport (BOS)
Leaves 9:40 p.m. · Return leaves 6:00 a.m. · 6 h 58 min of travel, both ways together
out nonstop, back nonstop
found 5 days ago
Found recently, and the cheapest we hold
$427 11 Feb 2027 – 15 Feb 2027found todaySee prices for these dates
$189 11 Nov – 18 Novfound 5 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 $189 to $368.
At $427, 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 5 departure dates from 30 Oct to 11 Feb 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 4-night return fares leaving within 3 days of 11 Feb 2027 to compare.
Every date we hold
5 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 30 Oct – 2 Nov | $296 | American Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 11 Nov – 18 Nov | $189 | Southwest Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | out 1 stop, back nonstop | found 5 days ago | See prices for these dates |
| 22 Dec – 29 Jan 2027 | $386 | American Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | out nonstop, back 1 stop | found 2 days ago | See prices for these dates |
| 25 Dec – 31 Dec | $273 | Frontier Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 11 Feb 2027 – 15 Feb 2027 | $427 | American Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | out nonstop, back 1 stop | found today | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $189.
Airlines on the cheapest dates: American Airlines, Southwest Airlines, Frontier Airlines.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $119 to $180.
Cheapest one-way found recently
$108
5 Dec · American Airlines
Miami International Airport (MIA) → Logan International Airport (BOS)
Leaves 4:20 p.m. · 3 h 22 min trip
nonstop
found 4 days ago
Cheapest nonstop one-way
$108
5 Dec · American Airlines
Miami International Airport (MIA) → Logan International Airport (BOS)
Leaves 4:20 p.m. · 3 h 22 min trip
nonstop
found 4 days ago
Found recently, and the cheapest we hold
$108 5 Decfound 4 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $92 to $175.
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 3 departure dates from 5 Dec 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?
No. We hold one-way fares on 1 other departure date within 3 days of 5 Dec, and it is not cheaper.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 5 Dec | $108 | American Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | nonstop | found 4 days ago | Open this trip |
| 6 Dec | $129 | American Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | nonstop | found 4 days ago | Open this trip |
| 2 May 2027 | $231 | American Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | nonstop | found 6 days ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $108.
Airlines on the cheapest dates: American Airlines.
Premium cabin fares from Miami to Boston
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 11 Feb 2027 – 15 Feb 2027 in another cabin: Premium economy · Business · First
Today's prices for 5 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Miami to Boston?
Return
Fares 14 to 29 days before departure were typically 39% lower than 7 to 13 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 |
|---|---|---|---|---|
| 7–13 days | $375 | $375 | +64% | 10 |
| 14–29 days | $229 | $189 | Cheapest seen | 18 |
| 60–89 days | $385 | $273 | +68% | 25 |
| 90–179 days | $236 | $236 | +3% | 9 |
| 180+ days | $426 | $426 | +86% | 13 |
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 |
|---|---|---|---|---|
| 30–59 days | $108 | $92 | Cheapest seen | 11 |
| 60–89 days | $118 | $108 | +9% | 20 |
| 90–179 days | $231 | $115 | +114% | 17 |
| 180+ days | $231 | $222 | +114% | 19 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Fort Lauderdale → Boston
40 km from Miami
$473
$46 more than flying from Miami
11 Feb 2027 – 15 Feb 2027 · FLL → BOS · out 1 stop, back nonstop
found today
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Fort Lauderdale → Boston
40 km from Miami
$109
$1 more than flying from Miami
24 Oct · FLL → BOS · stops unknown
found 5 days ago
West Palm Beach → Boston
107 km from Miami
$220
$112 more than flying from Miami
4 Jan 2027 · DJT → BOS · 1 stop
found 6 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 11 Feb 2027 – 15 Feb 2027. 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