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 | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $80 (CheapOair) |
One-way from | $67 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $150 |
Good round-trip deal | $192 or less |
Good one-way deal | $130 or less |
Fly from
Fly to
Route
Depart
Return
Price
MiamiBoston
MIA - BOS
MIABOS
Miami
Fri 2/13
8:30 pm-11:59 pm
Nonstop3h 29m
Boston Logan Intl
Wed 2/18
11:00 am-6:54 pm
1 stop7h 54m
MiamiBoston
MIA - BOS
MIABOS
Miami
Sat 1/31
6:55 am-10:14 am
Nonstop3h 19m
Boston Logan Intl
Mon 2/2
7:59 pm-11:51 pm
Nonstop3h 52m
MiamiBoston
MIA - BOS
MIABOS
Miami
Fri 1/30
6:55 am-10:14 am
Nonstop3h 19m
Boston Logan Intl
Fri 1/30
8:15 pm-12:05 am
Nonstop3h 50m
MiamiBoston
MIA - BOS
MIABOS
Miami
Fri 1/30
8:30 pm-11:59 pm
Nonstop3h 29m
Boston Logan Intl
Sun 2/1
7:59 pm-11:51 pm
Nonstop3h 52m
MiamiBoston
MIA - BOS
MIABOS
Miami
Thu 1/22
11:31 am-2:56 pm
Nonstop3h 25m
Boston Logan Intl
Sat 1/24
7:59 pm-11:51 pm
Nonstop3h 52m
MiamiBoston
MIA - BOS
MIABOS
Miami
Thu 1/22
11:31 am-2:56 pm
Nonstop3h 25m
Boston Logan Intl
Mon 1/26
3:50 pm-7:33 pm
Nonstop3h 43m
MiamiBoston
MIA - BOS
MIABOS
Miami
Thu 1/22
5:50 am-11:40 am
1 stop5h 50m
Boston Logan Intl
Sun 1/25
7:05 am-10:53 am
Nonstop3h 48m
MiamiBoston
MIA - BOS
MIABOS
Miami
Wed 1/21
7:00 am-12:23 pm
1 stop5h 23m
Boston Logan Intl
Sat 1/24
7:59 pm-11:51 pm
Nonstop3h 52m
MiamiBoston
MIA - BOS
MIABOS
Miami
Wed 1/21
8:15 am-2:20 pm
1 stop6h 05m
Boston Logan Intl
Mon 1/26
3:50 pm-7:33 pm
Nonstop3h 43m
MiamiBoston
MIA - BOS
MIABOS
Miami
Fri 1/23
11:31 am-2:56 pm
Nonstop3h 25m
Boston Logan Intl
Sat 1/24
1:00 pm-6:54 pm
1 stop5h 54m
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | 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 | |
| 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 70 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 December is currently the most expensive (average of $99). 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 54% 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. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 23% of weekly flights between Miami and Boston have experienced delays in the past year, with the average delay time being 163 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.
Wednesday 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 6% of flights being delayed.
Crew
Overall
Food
Boarding
Entertainment
Comfort
Reviews
pilar,May 2025
RSW - ATL
Crew
Overall
Food
Boarding
Entertainment
Comfort
Reviews
pilar,May 2025
RSW - ATL
Crew
Overall
Food
Boarding
Entertainment
Comfort
Reviews
pilar,May 2025
RSW - ATL
Crew
Overall
Food
Boarding
Entertainment
Comfort
Reviews
pilar,May 2025
RSW - ATL
Crew
Overall
Food
Boarding
Entertainment
Comfort
Reviews
pilar,May 2025
RSW - ATL
Crew
Overall
Food
Boarding
Entertainment
Comfort
Reviews
pilar,May 2025
RSW - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$82 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$56 | Average$132 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$89 | Average$219 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$112 | Average$221 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$131 | Average$264 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$178 | Average$178 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$186 | Average$288 | FlexibilityNo cancel fee | On-time69% |