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
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
Best option
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
06/25/26
1 Stopover (ORD)
UA1834, UA0695
12h 19min
Return
06/30/26
1 Stopover (IAD)
UA2024, UA0755
07h 04min
United Airlines
$826
Boston
San Juan (Puerto Rico)
Outbound
06/25/26
1 Stopover (CLT)
AA2715, AA0783
06h 49min
Return
06/30/26
1 Stopover (MIA)
AA3001, AA2539
13h 08min
American Airlines ?
$873
Boston
San Juan (Puerto Rico)
Outbound
06/25/26
1 Stopover (DFW)
AA2555, AA0702
16h 39min
Return
06/30/26
1 Stopover (DFW)
AA1847, AA1577
11h 37min
American Airlines ?
$1,091
Boston
San Juan (Puerto Rico)
Outbound
06/25/26
1 Stopover (ATL)
F93085, F92082
09h 10min
Return
06/30/26
direct
NK0891
04h 07min
Frontier Airlines
$1,538
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 $387.83
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)
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