Flight Routes 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
Best option
Boston
San Juan (Puerto Rico)
Outbound
07/26/26
direct
NK0462
04h 09min
Return
08/05/26
direct
NK0461
04h 20min
Spirit Airlines
$261
Boston
San Juan (Puerto Rico)
Outbound
07/26/26
direct
NK0462
04h 09min
Return
08/05/26
direct
NK0461
04h 20min
Spirit Airlines
$264
Boston
San Juan (Puerto Rico)
Outbound
07/26/26
direct
NK0462
04h 09min
Return
08/05/26
direct
B60462
04h 05min
Spirit Airlines ?
$267
Boston
San Juan (Puerto Rico)
Outbound
07/26/26
direct
B60861
04h 00min
Return
08/05/26
direct
B60462
04h 05min
JetBlue Airways ?
$309
Boston
San Juan (Puerto Rico)
Outbound
06/25/26
1 Stopover (ATL)
F93511, F92300
13h 53min
Return
06/30/26
1 Stopover (RDU)
F91225, F93058
19h 57min
Frontier Airlines ?
$388
Boston
San Juan (Puerto Rico)
Outbound
06/25/26
1 Stopover (ATL)
F93511, F92300
13h 53min
Return
06/30/26
direct
NK0891
04h 07min
Frontier Airlines
$389
Boston
San Juan (Puerto Rico)
Outbound
06/25/26
1 Stopover (ATL)
F93511, F92300
13h 53min
Return
06/30/26
direct
NK0891
04h 07min
Frontier Airlines
$390
Boston
San Juan (Puerto Rico)
Outbound
06/25/26
1 Stopover (ATL)
F93511, F92300
13h 53min
Return
06/30/26
1 Stopover (RDU)
F91225, F93058
19h 57min
Frontier Airlines ?
$397
Boston
San Juan (Puerto Rico)
Outbound
06/25/26
1 Stopover (ATL)
F93511, F92300
13h 53min
Return
06/30/26
1 Stopover (FLL)
NK1482, NK0778
08h 36min
Frontier Airlines ?
$461
Boston
San Juan (Puerto Rico)
Outbound
07/26/26
2 Stopovers (IAD, PHL)
UA1734, UA4015, F91166
29h 09min
Return
08/05/26
1 Stopover (ATL)
F93461, F93086
18h 02min
United Airlines, Frontier Airlines ?
$505
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 $260.98
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
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