Spirit's Big Front Seats offer 11 extra inches of legroom, ideal for comfort on short flights.
Spirit's self-service bag drop saves time; print your boarding pass to avoid extra fees.

Most accurate provider | Gotogate 3 stars |
|---|---|
Most trusted provider | Gotogate 3 stars |
Round-trip from | $105 (Kiwi.com) |
One-way from | $73 (CheapOair) |
Popular in | July |
Cheapest in | January |
Average price | $178 |
Good round-trip deal | $162 or less |
Good one-way deal | $122 or less |
Fly from
Fly to
Route
Depart
Return
Price
MiamiBoston
MIA - BOS
MIABOS
Miami
Wed 11/19
6:55 am-10:18 am
Nonstop3h 23m
Boston Logan Intl
Wed 11/19
3:59 pm-7:37 pm
Nonstop3h 38m
MiamiBoston
MIA - BOS
MIABOS
Miami
Fri 12/5
11:45 am-3:10 pm
Nonstop3h 25m
Boston Logan Intl
Mon 12/8
7:05 am-10:50 am
Nonstop3h 45m
MiamiBoston
MIA - BOS
MIABOS
Miami
Thu 12/4
7:00 am-2:27 pm
1 stop7h 27m
Boston Logan Intl
Sun 12/7
7:59 pm-11:37 pm
Nonstop3h 38m
MiamiBoston
MIA - BOS
MIABOS
Miami
Sat 12/13
6:53 am-10:15 am
Nonstop3h 22m
Boston Logan Intl
Tue 12/16
10:00 am-6:50 pm
1 stop8h 50m
MiamiBoston
MIA - BOS
MIABOS
Miami
Sun 12/14
6:20 am-12:50 pm
1 stop6h 30m
Boston Logan Intl
Tue 12/16
5:45 am-11:05 am
1 stop5h 20m
MiamiBoston
MIA - BOS
MIABOS
Miami
Fri 12/12
7:00 am-2:27 pm
1 stop7h 27m
Boston Logan Intl
Mon 12/15
6:00 am-2:25 pm
1 stop8h 25m
MiamiBoston
MIA - BOS
MIABOS
Miami
Fri 12/5
1:31 pm-7:30 pm
1 stop5h 59m
Boston Logan Intl
Sun 12/7
7:59 pm-11:37 pm
Nonstop3h 38m
MiamiBoston
MIA - BOS
MIABOS
Miami
Tue 11/25
6:55 am-10:18 am
Nonstop3h 23m
Boston Logan Intl
Tue 12/2
7:59 pm-11:37 pm
Nonstop3h 38m
MiamiBoston
MIA - BOS
MIABOS
Miami
Thu 11/27
12:36 pm-6:16 pm
1 stop5h 40m
Boston Logan Intl
Tue 12/2
6:45 am-1:06 pm
1 stop6h 21m
MiamiBoston
MIA - BOS
MIABOS
Miami
Fri 12/12
7:59 pm-11:25 pm
Nonstop3h 26m
Boston Logan Intl
Sat 1/10
3:30 pm-7:16 pm
Nonstop3h 46m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The price you pay for your flight from Miami to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, February is the cheapest month in which you can book a flight from Miami to Boston (average of $19). Flying from Miami to Boston in July is currently the most expensive (average of $92). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 46% on flights from Miami to Boston by exploring options for tickets at noon.
Travelers seeking maximum savings on their Miami to Boston flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 20% of weekly flights between Miami and Boston have experienced delays in the past year, with the average delay time being 161 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Frontier have had the lowest number of delays on this route, with just 5% of flights being delayed.
Crew
Comfort
Overall
Boarding
Food
Entertainment
Reviews
pilar,May 2025
RSW - ATL
Crew
Comfort
Overall
Boarding
Food
Entertainment
Reviews
pilar,May 2025
RSW - ATL
Crew
Comfort
Overall
Boarding
Food
Entertainment
Reviews
pilar,May 2025
RSW - ATL
Crew
Comfort
Overall
Boarding
Food
Entertainment
Reviews
pilar,May 2025
RSW - ATL
Crew
Comfort
Overall
Boarding
Food
Entertainment
Reviews
pilar,May 2025
RSW - ATL
Crew
Comfort
Overall
Boarding
Food
Entertainment
Reviews
pilar,May 2025
RSW - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$37 | Average$83 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$58 | Average$134 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$88 | Average$216 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$94 | Average$216 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$127 | Average$259 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$178 | Average$178 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$186 | Average$288 | FlexibilityNo cancel fee | On-time69% |