Cheap Flights from San Juan to Boston, MA from $56

Return flight: Boston – San Juan

On Cheapflightsplus.com you will find 2 direct and 300 connecting flights from San Juan to Boston. You can compare airfare deals from 9 airlines and multiple travel sites from $56, 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.

Find One-Way and Round-Trip San Juan to Boston Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $56 (one-way), $96 (round-trip).
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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 Arrival Flight Details Flight Duration Price
09:30 — 13:37
09:30 — 13:37 NK1802 Spirit Airlines
San Juan — Boston
4h 7m
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from$129
15:28 — 19:45
15:28 — 19:45 NK1840 Spirit Airlines
San Juan — Boston
4h 17m
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from$102
00:59 — 07:59
00:59 — 04:57 F91015 Frontier Airlines
San Juan — Philadelphia
1h 30m stop
06:27 — 08:06 F92168 Frontier Airlines
Philadelphia — Boston
7h
including layover
Find flight
from$151
01:27 — 18:51
01:33 — 05:50 NK2530 Spirit Airlines
San Juan — Dallas
8h 6m stop
14:06 — 18:58 NK2151 Spirit Airlines
Dallas — Boston
17h 24m
including layover
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from$85
01:59 — 09:09
01:59 — 05:05 NK2396 Spirit Airlines
San Juan — Orlando
1h 2m stop
06:07 — 09:09 NK2090 Spirit Airlines
Orlando — Boston
7h 10m
including layover
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from$56
02:06 — 13:00
02:06 — 05:05 NK3164 Spirit Airlines
San Juan — Orlando
4h 51m stop
09:56 — 13:00 NK644 Spirit Airlines
Orlando — Boston
10h 54m
including layover
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from$85
02:15 — 11:31
02:15 — 06:53 NK1546 Spirit Airlines
San Juan — Detroit
2h 49m stop
09:42 — 11:31 NK1196 Spirit Airlines
Detroit — Boston
9h 16m
including layover
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from$56
03:40 — 08:23
+1 day
03:21 — 06:35 F91823 Frontier Airlines
San Juan — Orlando
22h 38m stop
05:30 — 08:40 F93348 Frontier Airlines
Orlando — Boston
28h 43m
including layover
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from$84
10:04 — 08:35
+1 day
06:00 — 09:26 F92249 Frontier Airlines
San Juan — Orlando
16h 19m stop
05:30 — 08:40 F93348 Frontier Airlines
Orlando — Boston
22h 31m
including layover
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from$108
10:51 — 15:35
+1 day
10:51 — 13:54 NK3160 Spirit Airlines
San Juan — Orlando
22h 36m stop
12:30 — 15:35 NK3796 Spirit Airlines
Orlando — Boston
28h 44m
including layover
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from$151
11:11 — 19:34
11:11 — 13:55 NK1397 Spirit Airlines
San Juan — Miami
2h 20m stop
16:15 — 19:34 NK1230 Spirit Airlines
Miami — Boston
8h 23m
including layover
Find flight
from$100
11:11 — 23:48
11:11 — 13:55 NK1397 Spirit Airlines
San Juan — Miami
6h 35m stop
20:30 — 23:48 NK1435 Spirit Airlines
Miami — Boston
12h 37m
including layover
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from$100
12:55 — 23:29
12:55 — 16:53 NK961 Spirit Airlines
San Juan — Baltimore
5h 6m stop
21:59 — 23:29 NK3075 Spirit Airlines
Baltimore — Boston
10h 34m
including layover
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from$85
13:39 — 22:51
13:39 — 17:40 NK2532 Spirit Airlines
San Juan — Baltimore
3h 44m stop
21:24 — 22:51 NK2105 Spirit Airlines
Baltimore — Boston
9h 12m
including layover
Find flight
from$96
16:54 — 12:02
+1 day
16:40 — 20:20 F91225 Frontier Airlines
San Juan — Raleigh
13h 24m stop
09:50 — 12:00 F93058 Frontier Airlines
Raleigh — Boston
19h 8m
including layover
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from$102
16:56 — 00:39
16:49 — 19:14 F92215 Frontier Airlines
San Juan — Tampa
1h 20m stop
08:05 — 11:06 F91216 Frontier Airlines
Tampa — Boston
7h 43m
including layover
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from$97
17:00 — 08:35
+1 day
16:55 — 20:21 F94725 Frontier Airlines
San Juan — Orlando
9h 14m stop
05:30 — 08:40 F93348 Frontier Airlines
Orlando — Boston
15h 35m
including layover
Find flight
from$104
17:41 — 23:40
+1 day
17:41 — 22:36 NK3899 Spirit Airlines
San Juan — Detroit
23h 9m stop
21:45 — 23:40 NK2329 Spirit Airlines
Detroit — Boston
29h 59m
including layover
Find flight
from$165
19:28 — 08:35
+1 day
10:00 — 13:19 F92981 Frontier Airlines
San Juan — Orlando
6h 49m stop
05:30 — 08:40 F93348 Frontier Airlines
Orlando — Boston
13h 7m
including layover
Find flight
from$151
20:24 — 22:56
+1 day
20:12 — 23:03 NK2222 Spirit Airlines
San Juan — Miami
20h 26m stop
20:13 — 23:29 NK2212 Spirit Airlines
Miami — Boston
26h 32m
including layover
Find flight
from$82
21:30 — 08:35
+1 day
21:30 — 00:43 F91745 Frontier Airlines
San Juan — Orlando
4h 52m stop
05:30 — 08:40 F93348 Frontier Airlines
Orlando — Boston
11h 5m
including layover
Find flight
from$83
12:36 — 15:44
+1 day
12:36 — 16:49 NK2405 Spirit Airlines
San Juan — Atlanta
2h 27m stop
19:16 — 21:11 NK2061 Spirit Airlines
Atlanta — Miami
15h 18m stop
12:29 — 15:44 NK2126 Spirit Airlines
Miami — Boston
27h 8m
including layover
Find flight
from$123
13:02 — 15:37
+1 day
12:36 — 16:49 NK2405 Spirit Airlines
San Juan — Atlanta
16h 39m stop
09:16 — 11:11 NK2345 Spirit Airlines
Atlanta — Miami
37m stop
12:29 — 15:44 NK2126 Spirit Airlines
Miami — Boston
26h 35m
including layover
Find flight
from$108
20:12 — 15:56
+1 day
20:12 — 23:03 NK2222 Spirit Airlines
San Juan — Miami
9h 27m stop
08:30 — 10:59 NK2900 Spirit Airlines
Miami — Baltimore
3h 31m stop
21:24 — 22:51 NK2105 Spirit Airlines
Baltimore — Boston
19h 44m
including layover
Find flight
from$114
*Departure and arrival times - local. Updated on June 6, 2025

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 75 $), june (from 75 $), august (from 75 $).

The most expensive months are february (from 354 $), november (from 208 $), september (from 202 $).

What is the lowest airfare San Juan to Boston?

The cheapest plane ticket found by our users is $56. This airfare is for economy class on one-way NK2396 flight by Spirit Airlines for June 6, 2025 which leaves Luis Munoz Marin Intl in San Juan at 01:59 am and arrives at Boston Logan at 09:09.

Economy class
$56
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Business class
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First class
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Popular Airlines on the Route

The flight San Juan — Boston is served by 9 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Cape Air - 13 departures per week at the price of from $ 282 . And the most expensive tickets are offered by Finnair airline - from $ 3176.

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 $102.

  • NK - Spirit Airlines
    from $102
    Find
See more direct flights

Connecting Flights

There are 300 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 $56.

  • 9K - Cape Air
    from $282
    Find
  • F9 - Frontier Airlines
    from $83
    Find
  • BW - Caribbean Airlines
    from $301
    Find
  • SY - Sun Country Airlines
    from $242
    Find
  • AY - Finnair
    from $2138
    Find
  • DM - Aero-Charter
    from $249
    Find
  • W1 - W1
    from $301
    Find
  • UA - United Airlines
    from $138
    Find
  • NK - Spirit Airlines
    from $56
    Find
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
    Find
  • Luis Munoz Marin Intl-SJU
    from $56
    Find

Boston airports

  • Boston City Heliport-JBC
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  • Boston RT128 Rail-ZRU
    Find
  • Boston South Rail-ZTO
    Find
  • Logan-BOS
    Find

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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