Cheap flights from Miami to Boston from $123 MIA → BOS
Miami International Airport (MIA) → Logan International Airport (BOS)
The cheapest return found recently is $210 with American Airlines, 13 Jan 2027 – 20 Jan 2027, found 2 days ago. The cheapest one-way found recently is $123 with American Airlines, 11 Dec, found 3 days ago.
- Cheapest one-way found recently
- $123, American Airlines, found 3 days ago
- Cheapest return found recently
- $210, 13 Jan 2027 to 20 Jan 2027
- Usual return price
- $273 to $395
- Cheapest month to fly
- January 2027, return fares from $210 found in the last 7 days
- Airlines with nonstop flights
- American Airlines
- Shortest nonstop flight found
- 3 h 22 min
Return
The cheapest return fare on each of 6 departure dates is usually $273 to $395.
Cheapest return found recently
$210
13 Jan 2027 – 20 Jan 2027 · American Airlines
Miami International Airport (MIA) → Logan International Airport (BOS)
Leaves 5:16 p.m. · Return leaves 2:44 p.m. · 7 h 14 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Cheapest nonstop return
$210
13 Jan 2027 – 20 Jan 2027 · American Airlines
Miami International Airport (MIA) → Logan International Airport (BOS)
Leaves 5:16 p.m. · Return leaves 2:44 p.m. · 7 h 14 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$210 13 Jan 2027 – 20 Jan 2027found 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $189 to $368.
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 6 departure dates from 19 Nov 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 7-night return fares leaving within 3 days of 13 Jan 2027 to compare.
Every date we hold
6 fares on 6 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 19 Nov – 21 Nov | $407 | 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 |
| 4 Dec – 7 Dec | $266 | American Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 21 Dec – 28 Dec | $423 | Frontier Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 22 Dec – 29 Jan 2027 | $292 | Frontier Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 13 Jan 2027 – 20 Jan 2027 | $210 | American Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 11 Feb 2027 – 15 Feb 2027 | $357 | Frontier Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | out 1 stop, back 2 stops | found 6 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $210.
Airlines on the cheapest dates: Frontier Airlines, American Airlines.
One-way
The cheapest one-way fare on each of 6 departure dates is usually $126 to $163.
Cheapest one-way found recently
$123
11 Dec · American Airlines
Miami International Airport (MIA) → Logan International Airport (BOS)
Leaves 6:53 a.m. · 3 h 22 min trip
nonstop
found 3 days ago
Cheapest nonstop one-way
$123
11 Dec · American Airlines
Miami International Airport (MIA) → Logan International Airport (BOS)
Leaves 6:53 a.m. · 3 h 22 min trip
nonstop
found 3 days ago
Found recently, and the cheapest we hold
$123 11 Decfound 3 days agoOpen this trip
$111 20 Decfound 7 days agoOpen this trip
What have prices looked like?
Over 45 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $91 to $175.
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 6 departure dates from 5 Dec to 13 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 11 Dec to compare.
Every date we hold
6 fares on 6 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 5 Dec | $133 | American Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | nonstop | found 7 days ago | Open this trip |
| 7 Dec | $133 | American Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | nonstop | found 6 days ago | Open this trip |
| 11 Dec | $123 | American Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | nonstop | found 3 days ago | Open this trip |
| 20 Dec | $111 | Frontier Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | 1 stop | found 7 days ago | Open this trip |
| 10 Mar 2027 | $173 | Frontier Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | 2 stops | found 6 days ago | Open this trip |
| 13 May 2027 | $234 | American Airlines | Miami International Airport (MIA) → Logan International Airport (BOS) | nonstop | found 4 days ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $111.
Airlines on the cheapest dates: American Airlines, Frontier 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 13 Jan 2027 – 20 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 11 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 11 Nov (49 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 | $296 | +64% | 13 |
| 14–29 days | $229 | $189 | Cheapest seen | 29 |
| 30–59 days | $272 | $199 | +19% | 27 |
| 60–89 days | $368 | $273 | +61% | 37 |
| 90–179 days | $343 | $236 | +50% | 27 |
| 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 11 Nov (45 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 | 31 |
| 60–89 days | $118 | $108 | +9% | 20 |
| 90–179 days | $231 | $115 | +114% | 27 |
| 180+ days | $231 | $222 | +114% | 32 |
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
$363
$153 more than flying from Miami
19 Nov – 21 Nov · FLL → BOS · out nonstop, back 1 stop
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Miami → Hartford
142 km from Boston
$98
$25 less than flying to Boston
9 Dec · MIA → BDL · 1 stop
found 2 days ago
Fort Lauderdale → Boston
40 km from Miami
$377
$254 more than flying from Miami
14 Mar 2027 · FLL → BOS · 1 stop
found 2 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 13 Jan 2027 – 20 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Miami to Boston?
The cheapest return found recently is $210 with American Airlines, 13 Jan 2027 to 20 Jan 2027, found 2 days ago. The cheapest return fare on each of 6 departure dates is usually $273 to $395.
How much is a one-way flight from Miami to Boston?
The cheapest one-way found recently is $123 with American Airlines, 11 Dec, found 3 days ago. The cheapest one-way we hold, of any age, is $111 with Frontier Airlines, 20 Dec, found 7 days ago. The cheapest one-way fare on each of 6 departure dates is usually $126 to $163.
What is the cheapest month to fly from Miami to Boston?
January 2027 is the cheapest month for a return, from $210, 13 Jan 2027 to 20 Jan 2027, found 2 days ago. December 2026 is the cheapest month for a one-way, from $111, 20 Dec, found 7 days ago.
How far ahead should I book a flight from Miami to Boston?
In 49 days of prices between 24 Sept and 11 Nov, return fares 14 to 29 days before departure were typically 39% lower than 7 to 13 days before departure. In 45 days of prices between 24 Sept and 11 Nov, one-way fares were cheapest 30 to 59 days before departure.
Is there a direct flight from Miami to Boston?
Yes, the cheapest nonstop return found recently is $210 with American Airlines, 13 Jan 2027 to 20 Jan 2027, found 2 days ago. The cheapest nonstop one-way found recently is $123 with American Airlines, 11 Dec, found 3 days ago.
How long is the flight from Miami to Boston?
The cheapest nonstop one-way found recently, with American Airlines on 11 Dec, takes 3 h 22 min from Miami International Airport (MIA) to Logan International Airport (BOS).
Which airlines have the cheapest flights from Miami to Boston?
Between 19 Nov and 11 Feb 2027, Frontier Airlines has the cheapest return on 4 of the 6 departure dates we hold, and American Airlines on 2. Between 5 Dec and 13 May 2027, American Airlines has the cheapest one-way on 4 of the 6 departure dates we hold, and Frontier Airlines on 2.
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