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
11/03/25
1 Stopover (MCO)
F93347, F93506
13h 36min
Return
11/12/25
1 Stopover (MCO)
F94725, F93348
16h 51min
Frontier Airlines ?
$206
Best option
Boston
San Juan (Puerto Rico)
Outbound
10/09/25
direct
B60261
04h 00min
Return
11/01/25
direct
B61062
03h 18min
JetBlue Airways ?
$207
Boston
San Juan (Puerto Rico)
Pay attention to transfer at connecting flight
Outbound
10/10/25
1 Stopover (MSP)
SY0252, SY0761
27h 26min
Return
11/04/25
3 Stopovers (MCO, EWR, ATL)
NK3164, NK0916, NK0742, NK1180
20h 06min
Sun Country Airlines
$451
Boston
San Juan (Puerto Rico)
Outbound
11/03/25
1 Stopover (MCO)
F93347, F91824
29h 24min
Return
11/12/25
1 Stopover (MCO)
F94725, F93348
16h 51min
Frontier Airlines
$216
Boston
San Juan (Puerto Rico)
Outbound
10/18/25
1 Stopover (MCO)
NK3797, NK3166
08h 31min
Return
11/17/25
1 Stopover (BWI)
NK0961, NK3075
10h 34min
Spirit Airlines
$218
Boston
San Juan (Puerto Rico)
Outbound
11/03/25
1 Stopover (MCO)
F93347, F91824
29h 24min
Return
11/12/25
1 Stopover (MCO)
F94725, F93348
16h 51min
Frontier Airlines
$227
Boston
San Juan (Puerto Rico)
Outbound
10/18/25
1 Stopover (MCO)
NK3797, NK3166
08h 31min
Return
11/17/25
1 Stopover (FLL)
NK1038, NK0616
07h 53min
Spirit Airlines
$230
Boston
San Juan (Puerto Rico)
Outbound
10/18/25
1 Stopover (MCO)
NK3797, NK3166
08h 31min
Return
11/17/25
1 Stopover (ATL)
NK0838, NK1208
16h 24min
Spirit Airlines
$231
Boston
San Juan (Puerto Rico)
Outbound
11/03/25
1 Stopover (MIA)
AA1259, AA1870
08h 36min
Return
11/12/25
1 Stopover (MIA)
AA1613, AA2227
08h 27min
American Airlines ?
$233
Boston
San Juan (Puerto Rico)
Outbound
11/03/25
1 Stopover (PHL)
AA0267, AA2433
16h 40min
Return
11/12/25
1 Stopover (CLT)
AA1908, AA1916
11h 04min
American Airlines ?
$243
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 205,97 $
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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