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
04/21/25
1 Stopover (ATL)
NK0217, NK0202
12h 27min
Return
05/19/25
1 Stopover (MCO)
NK3164, NK3796
10h 08min
Spirit Airlines
$232
Best option
Boston
San Juan (Puerto Rico)
Outbound
06/10/25
direct
F93001
04h 06min
Return
06/29/25
direct
F93002
04h 13min
Frontier Airlines
$270
Boston
San Juan (Puerto Rico)
Outbound
04/12/25
1 Stopover (ATL)
NK0217, NK0202
12h 35min
Return
04/27/25
1 Stopover (MCO)
NK0432, NK0992
11h 11min
Spirit Airlines ?
$235
found 2 days ago
Boston
San Juan (Puerto Rico)
Outbound
04/12/25
1 Stopover (ATL)
NK0217, NK0202
12h 35min
Return
04/27/25
1 Stopover (MCO)
NK0432, NK0992
11h 11min
Spirit Airlines
$240
found 2 days ago
Boston
San Juan (Puerto Rico)
Outbound
04/21/25
1 Stopover (ATL)
NK0217, NK0202
12h 27min
Return
05/19/25
1 Stopover (MCO)
NK3164, NK3796
10h 08min
Spirit Airlines
$241
Boston
San Juan (Puerto Rico)
Outbound
04/12/25
1 Stopover (ATL)
NK0217, NK0202
12h 35min
Return
04/27/25
2 Stopovers (FLL, BWI)
NK0903, NK0845, NK0612
35h 34min
Spirit Airlines
$266
found 2 days ago
Boston
San Juan (Puerto Rico)
Outbound
04/21/25
1 Stopover (MCO)
NK1263, NK0980
11h 11min
Return
05/19/25
1 Stopover (MCO)
NK3164, NK3796
10h 08min
Spirit Airlines
$273
Boston
San Juan (Puerto Rico)
Outbound
06/10/25
direct
F93001
04h 06min
Return
06/29/25
1 Stopover (JFK)
B60504, B60418
08h 26min
Frontier Airlines ?
$279
Boston
San Juan (Puerto Rico)
Outbound
06/10/25
direct
F93001
04h 06min
Return
06/29/25
direct
F93002
04h 13min
Frontier Airlines
$286
Boston
San Juan (Puerto Rico)
Outbound
06/10/25
direct
F93001
04h 06min
Return
06/29/25
direct
F93002
04h 13min
Frontier Airlines ?
$290
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 $ 231,83
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)
Flight destinations with a similar price