Flights from Boston to San Juan (Puerto Rico)

Trip type

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
05/16/26
1 Stopover (MCO)
F93347, F91746
11h 32min
Return
05/29/26
direct
B60762
04h 10min
Frontier Airlines ?
$221
Best option
Boston
San Juan (Puerto Rico)
Outbound
05/16/26
direct
B60061
04h 02min
Return
05/29/26
direct
B60562
04h 05min
JetBlue Airways ?
$300
Boston
San Juan (Puerto Rico)
Outbound
04/03/26
direct
B60161
04h 02min
Return
04/16/26
1 Stopover (JFK)
B62404, B61118
07h 34min
JetBlue Airways ?
$251
Boston
San Juan (Puerto Rico)
Outbound
05/16/26
1 Stopover (FLL)
NK1740, NK0571
08h 51min
Return
05/29/26
1 Stopover (MIA)
NK3036, NK3032
14h 43min
Spirit Airlines
$253
Boston
San Juan (Puerto Rico)
Outbound
05/16/26
1 Stopover (MIA)
NK3033, NK0462
24h 03min
Return
05/29/26
1 Stopover (MIA)
NK3036, NK3032
14h 43min
Spirit Airlines
$260
Boston
San Juan (Puerto Rico)
Outbound
04/03/26
direct
B60161
04h 02min
Return
04/16/26
1 Stopover (JFK)
B62404, B61118
07h 34min
JetBlue Airways ?
$301
Boston
San Juan (Puerto Rico)
Outbound
03/28/26
1 Stopover (MIA)
NK3033, NK0462
17h 58min
Return
04/25/26
2 Stopovers (FLL, DTW)
NK0572, NK2212, NK3020
16h 21min
Spirit Airlines
$303
Boston
San Juan (Puerto Rico)
Outbound
05/16/26
1 Stopover (EWR)
UA0285, UA1543
08h 18min
Return
05/29/26
1 Stopover (EWR)
UA1173, UA2058
08h 32min
United Airlines ?
$340
Boston
San Juan (Puerto Rico)
Outbound
03/28/26
2 Stopovers (ATL, MCO)
F93511, F92050, F94726
13h 37min
Return
04/25/26
2 Stopovers (PHL, ATL)
F91165, F92297, F93512
48h 50min
Frontier Airlines ?
$434
Boston
San Juan (Puerto Rico)
Outbound
03/28/26
direct
NK3013
03h 56min
Return
04/25/26
1 Stopover (PHL)
B61048, B60260
24h 17min
Spirit Airlines ?
$459
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 $220.40
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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