Frontier’s UpFront Plus seats offer a guaranteed empty middle seat for extra comfort.
Frontier’s Zone 1 boarding is available with a carry-on bag or special fare bundle.
Round-trip from | $166 (SmartFares) |
---|---|
One-way from | $108 (FlightHub) |
Popular in | June |
Cheapest in | September |
Average price | $284 |
Good round-trip deal | $225 or less |
Good one-way deal | $158 or less |
Fly from
Fly to
Route
Depart
Return
Price
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
jue. 7/17
3:13 pm-7:30 pm
Nonstop4h 17m
Boston Logan Intl
dom. 7/20
6:10 am-9:09 pm
1 stop14h 59m
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
mié. 8/6
12:59 am-7:59 am
1 stop7h 00m
Boston Logan Intl
dom. 8/10
10:03 am-2:08 pm
Nonstop4h 05m
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
mié. 8/13
12:59 am-7:59 am
1 stop7h 00m
Boston Logan Intl
lun. 8/18
6:00 am-3:55 pm
1 stop9h 55m
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
jue. 8/28
1:16 pm-5:30 pm
Nonstop4h 14m
Boston Logan Intl
vie. 9/5
8:00 am-12:08 pm
Nonstop4h 08m
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
sáb. 8/9
5:40 am-9:47 am
Nonstop4h 07m
Boston Logan Intl
dom. 8/10
12:00 pm-4:04 pm
Nonstop4h 04m
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
jue. 9/18
6:10 am-10:17 pm
1 stop16h 07m
Boston Logan Intl
lun. 9/22
2:15 pm-11:37 pm
2 stops9h 22m
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
dom. 7/13
3:13 pm-7:30 pm
Nonstop4h 17m
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
dom. 9/14
4:42 pm-8:33 am
1 stop15h 51m
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
dom. 9/21
1:27 pm-5:39 pm
Nonstop4h 12m
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
mié. 8/13
7:20 am-7:10 pm
1 stop11h 50m
Booking 28 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan Luis Munoz Marin Intl Airport to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, January is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Boston (average of $218). Flying from San Juan Luis Munoz Marin Intl Airport to Boston in June is currently the most expensive (average of $306). 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.
When flying from San Juan Luis Munoz Marin Intl Airport to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 23% versus a flight in the afternoon.
Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Boston flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SJU to BOS are scheduled on a Thursday (31 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 on average).
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
John,May 2025
PVD - BNA
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
John,May 2025
PVD - BNA
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
John,May 2025
PVD - BNA
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
John,May 2025
PVD - BNA
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
John,May 2025
PVD - BNA
Entertainment
Crew
Comfort
Food
Overall
Boarding
Reviews
John,May 2025
PVD - BNA
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$68 | Average$135 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$86 | Average$200 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$132 | Average$281 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$134 | Average$270 | FlexibilityNo cancel fee | On-timeN/A |