Cheap Flights from San Juan to Boston, MA from $72

Return flight: Boston – San Juan

On Cheapflightsplus.com you will find 2 direct and 395 connecting flights from San Juan to Boston. You can compare airfare deals from 10 airlines and multiple travel sites from $72, book and save on cheap plane tickets and last minute offers. Also check out SJU-BOS flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from San Juan to Boston depends on and how to choose the most interesting flight option for you.

Distance between San Juan and Boston is 2702 miles. Time difference between the cities is 1h. Airplanes depart 00:59 to 23:59 from 2 San Juan airports and arrive 00:59 to 23:59 to 4 Boston airports. Average flight time is 4h 12m.

  • The fastest flight 4h 7m
  • Average flight time 4h 12m
  • The earliest flight 00:59
  • The latest flight 23:59
  • Distance 1679 ml

The cheapest months to travel to Boston are july (from 72 $), june (from 72 $), august (from 72 $).

The most expensive months are february (from 341 $), november (from 200 $), september (from 195 $).

What is the lowest airfare San Juan to Boston?

The cheapest plane ticket found by our users is $72. This airfare is for economy class on one-way NK2396 flight by Spirit Airlines for June 5, 2025 which leaves Luis Munoz Marin Intl in San Juan at 01:59 am and arrives at Boston Logan at 09:09.

Economy class
$72
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Business class
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First class
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Flight Schedule San Juan to Boston (Massachusetts)

01:21 — 08:37
7h 16m flight time
Find flight
from$129
01:21 — 05:20 San Juan — Baltimore
NK2169 Spirit Airlines
1h 50m stop
07:10 — 08:37 Baltimore — Boston
NK1597 Spirit Airlines
01:27 — 18:51
17h 24m flight time
Find flight
from$110
01:33 — 05:50 San Juan — Dallas
NK2530 Spirit Airlines
8h 6m stop
14:06 — 18:58 Dallas — Boston
NK2151 Spirit Airlines
01:59 — 09:09
7h 10m flight time
Find flight
from$72
01:59 — 05:05 San Juan — Orlando
NK2396 Spirit Airlines
1h 2m stop
06:07 — 09:09 Orlando — Boston
NK2090 Spirit Airlines
01:59 — 14:44
12h 45m flight time
Find flight
from$129
01:59 — 05:05 San Juan — Orlando
NK2396 Spirit Airlines
3h 12m stop
08:17 — 09:25 Orlando — Miami
NK2196 Spirit Airlines
2h 4m stop
12:29 — 15:44 Miami — Boston
NK2126 Spirit Airlines
02:06 — 13:00
10h 54m flight time
Find flight
from$110
02:06 — 05:05 San Juan — Orlando
NK3164 Spirit Airlines
4h 51m stop
09:56 — 13:00 Orlando — Boston
NK644 Spirit Airlines
02:15 — 11:31
9h 16m flight time
Find flight
from$72
02:15 — 06:53 San Juan — Detroit
NK1546 Spirit Airlines
2h 49m stop
09:42 — 11:31 Detroit — Boston
NK1196 Spirit Airlines
02:36 — 22:56
20h 20m flight time
Find flight
from$129
01:59 — 05:05 San Juan — Orlando
NK2396 Spirit Airlines
2h 42m stop
08:17 — 09:25 Orlando — Miami
NK2196 Spirit Airlines
10h 1m stop
20:13 — 23:29 Miami — Boston
NK2212 Spirit Airlines
03:40 — 08:23+1day
28h 43m flight time
Find flight
from$108
03:21 — 06:35 San Juan — Orlando
F91823 Frontier Airlines
22h 38m stop
05:30 — 08:40 Orlando — Boston
F93348 Frontier Airlines
09:30 — 13:37
4h 7m flight time
Find flight
from$229
San Juan — Boston
NK1802 Spirit Airlines
12:55 — 23:29
10h 34m flight time
Find flight
from$110
12:55 — 16:53 San Juan — Baltimore
NK961 Spirit Airlines
5h 6m stop
21:59 — 23:29 Baltimore — Boston
NK3075 Spirit Airlines
13:39 — 22:51
9h 12m flight time
Find flight
from$110
13:39 — 17:40 San Juan — Baltimore
NK2532 Spirit Airlines
3h 44m stop
21:24 — 22:51 Baltimore — Boston
NK2105 Spirit Airlines
15:28 — 19:45
4h 17m flight time
Find flight
from$132
San Juan — Boston
NK1840 Spirit Airlines
16:56 — 00:39
7h 43m flight time
Find flight
from$75
16:49 — 19:14 San Juan — Tampa
F92215 Frontier Airlines
1h 20m stop
08:05 — 11:06 Tampa — Boston
F91216 Frontier Airlines
20:24 — 22:56+1day
26h 32m flight time
Find flight
from$106
20:12 — 23:03 San Juan — Miami
NK2222 Spirit Airlines
20h 26m stop
20:13 — 23:29 Miami — Boston
NK2212 Spirit Airlines
21:30 — 08:35+1day
11h 5m flight time
Find flight
from$107
21:30 — 00:43 San Juan — Orlando
F91745 Frontier Airlines
4h 52m stop
05:30 — 08:40 Orlando — Boston
F93348 Frontier Airlines
Full flight schedule will help you in detecting at what time planes fly from San Juan to Boston. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 9, 2025.

Popular Airlines on the Route

The flight San Juan — Boston is served by 10 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Cape Air - 19 departures per week at the price of from $ 364 . And the most expensive tickets are offered by Finnair airline - from $ 4088.

Direct flights

There are 2 nonstop flights on the route. The fastest direct flight is NK1802 by Spirit Airlines takes 4h 7m and the cheapest is NK2396 by Spirit Airlines for $132.

  • NK - Spirit Airlines
    from $132
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Connecting Flights

There are 395 flights with layovers on the route. The fastest connecting flight is UA1173 by United Airlines takes 6h 23m and the cheapest is NK2396 by Spirit Airlines for $72.

  • 9K - Cape Air
    from $364
    Find
  • F9 - Frontier Airlines
    from $75
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  • BW - Caribbean Airlines
    from $388
    Find
  • SY - Sun Country Airlines
    from $312
    Find
  • AY - Finnair
    from $2752
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  • DM - Aero-Charter
    from $320
    Find
  • W1 - W1
    from $388
    Find
  • 3M - Gulfstream International Airlines
    from $536
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  • UA - United Airlines
    from $177
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  • NK - Spirit Airlines
    from $72
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See more connecting flights

Airports

You can fly from San Juan to Boston from 2 airports (Isla Grande, Luis Munoz Marin Intl).

San Juan airports

  • Isla Grande-SIG
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  • Luis Munoz Marin Intl-SJU
    from $72
    Find

Boston airports

  • Boston City Heliport-JBC
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  • Boston RT128 Rail-ZRU
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  • Boston South Rail-ZTO
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  • Logan-BOS
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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