Flights from Boston to San Juan (Puerto Rico)

Our cheapest offers for flights from Boston to San Juan (Puerto Rico)

Here you can compare cheap flights from Boston (BOS) to San Juan (Puerto Rico) (SJU) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to San Juan (Puerto Rico). Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Boston
San Juan (Puerto Rico)
Outbound
09/25/25
1 Stopover (DTW)
NK2151, NK2148
07h 53min
Return
10/05/25
1 Stopover (FLL)
NK0792, NK0449
12h 08min
Spirit Airlines
$219
Best option
Boston
San Juan (Puerto Rico)
Outbound
11/09/25
direct
B60561
03h 59min
Return
12/07/25
1 Stopover (ATL)
F92871, F93086
09h 45min
JetBlue Airways ?
$262
Boston
San Juan (Puerto Rico)
Pay attention to transfer at connecting flight
Outbound
11/09/25
1 Stopover (MIA)
NK3051, F92284
13h 14min
Return
12/07/25
1 Stopover (ATL)
F92871, F93086
09h 45min
Spirit Airlines, Frontier Airlines
$292
Boston
San Juan (Puerto Rico)
Outbound
09/25/25
1 Stopover (DTW)
NK2151, NK2148
07h 53min
Return
10/05/25
1 Stopover (FLL)
NK0792, NK0449
12h 08min
Spirit Airlines
$223
Boston
San Juan (Puerto Rico)
Outbound
09/25/25
1 Stopover (DTW)
NK2151, NK2148
07h 53min
Return
10/05/25
1 Stopover (FLL)
NK0792, NK0449
12h 08min
Spirit Airlines ?
$234
Boston
San Juan (Puerto Rico)
Outbound
09/25/25
1 Stopover (DTW)
NK2151, NK2148
07h 53min
Return
10/05/25
1 Stopover (FLL)
NK0792, NK0449
12h 08min
Spirit Airlines
$237
Boston
San Juan (Puerto Rico)
Outbound
09/25/25
1 Stopover (DTW)
NK2151, NK2148
07h 53min
Return
10/05/25
1 Stopover (FLL)
NK0792, NK0449
12h 08min
Spirit Airlines ?
$238
Boston
San Juan (Puerto Rico)
Outbound
09/25/25
1 Stopover (PHL)
F92167, F94462
13h 55min
Return
10/05/25
1 Stopover (FLL)
NK0792, NK0449
12h 08min
Frontier Airlines ?
$241
Boston
San Juan (Puerto Rico)
Outbound
11/09/25
1 Stopover (PHL)
F92167, F94462
15h 05min
Return
12/07/25
1 Stopover (ATL)
F92871, F93086
09h 45min
Frontier Airlines
$273
Boston
San Juan (Puerto Rico)
Outbound
11/09/25
direct
B60561
03h 59min
Return
12/07/25
1 Stopover (ATL)
F92871, F93086
09h 45min
JetBlue Airways ?
$273
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Boston to San Juan (Puerto Rico)

Favorite airline: Spirit Airlines
81 % of bookings on this flight route are made with Spirit Airlines, American Airlines and Delta.
Spirit Airlines
43 %
American Airlines
24 %
Delta
14 %
Direct flights are more expensive
Compared to direct flights, flights with a stopover on this route are on average 23 % cheaper.
non stop flight
1 stop
2 stops
04h 05min
16h 07min
20h 26min
$255
$207
$830
The favorite connection is non-stop
Flights from Boston to San Juan (Puerto Rico) are most often booked as a direct flight.
Route
bookings
Direct flights
04h 05min, from $255
54 %
1 stopover Charlotte Douglas International Airport, NC
06h 42min, from $502
23 %
1 stopover Orlando International Airport, FL
16h 07min, from $207
12 %

Important flight information

Flight information: Boston - San Juan (Puerto Rico)

Roundtrip from $218.97
Flight duration min. 03:54 / max. 04:02
Return flight duration min. 04:07/ max. 04:12
Distance 2705 km
Flights per week 16
Departure airport Airport Boston Logan International Airport, MA (BOS)
Arrival airport Airport San Juan - Luis Muñoz Marín International Airport (SJU)
Destination country Flights to Puerto Rico
Alternative flights to San Juan (Puerto Rico)
Flight destinations with a similar price
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