Cheap Flights from San Juan to Boston, MA from $128

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On Cheapflightsplus.com you will find 1 direct and 57 connecting flights from San Juan to Boston. You can compare airfare deals from 3 airlines and multiple travel sites from $128, 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: $128 (one-way), $220 (round-trip).

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Best Flights from San Juan to Boston Today

Take a look at the list of non stop flights and flights with layovers from San Juan to Boston with the lowest price of $128. The fastest direct flight takes 4h 7m and the fastest connecting – 6h 49m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $228 Find flight	09:30 San Juan Luis Munoz Marin Intl	13:37 Boston Logan	4h 7m	Spirit Airlines	NK1802
from $162 Find flight	02:36 San Juan Luis Munoz Marin Intl	23:47 Boston Logan	21h 11m layover 14h 59m - Orlando	Spirit Airlines	NK2396 NK2258
from $214 Find flight	01:10 San Juan Luis Munoz Marin Intl	08:11 Boston Logan	7h 1m layover 1h 36m - Newark	United Airlines	UA2219 UA554
from $128 Find flight	02:36 San Juan Luis Munoz Marin Intl	22:56 Boston Logan	20h 20m layover 2h 42m - Orlando 10h 1m - Miami	Spirit Airlines	NK2396 NK2196 NK2212
from $183 Find flight	18:42 San Juan Luis Munoz Marin Intl	16:41+1 день Boston Logan	21h 59m layover 0h 43m - Orlando 13h 43m - Atlanta	Spirit Airlines	NK2536 NK2302 NK2092

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 18, 2025

Flight Schedule San Juan to Boston (Massachusetts)

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	Flight Details	Flight Duration	Price
01:10 — 08:11	01:05 — 05:14 UA2219 United Airlines San Juan — Newark 1h 36m stop 06:55 — 08:11 UA554 United Airlines Newark — Boston	7h 1m including layover	Find flight from$214
01:10 — 13:40	01:05 — 05:14 UA2219 United Airlines San Juan — Newark 7h 6m stop 12:25 — 13:40 UA593 United Airlines Newark — Boston	12h 30m including layover	Find flight from$273
01:10 — 16:29	01:05 — 05:14 UA2219 United Airlines San Juan — Newark 9h 51m stop 15:10 — 16:29 UA2359 United Airlines Newark — Boston	15h 19m including layover	Find flight from$273
02:36 — 22:56	01:59 — 05:05 NK2396 Spirit Airlines San Juan — Orlando 2h 42m stop 08:17 — 09:25 NK2196 Spirit Airlines Orlando — Miami 10h 1m stop 20:13 — 23:29 NK2212 Spirit Airlines Miami — Boston	20h 20m including layover	Find flight from$128
02:36 — 23:47	01:59 — 05:05 NK2396 Spirit Airlines San Juan — Orlando 14h 59m stop 20:42 — 23:47 NK2258 Spirit Airlines Orlando — Boston	21h 11m including layover	Find flight from$162
02:36 — 16:41	02:36 — 05:43 NK2396 Spirit Airlines San Juan — Orlando 1h 25m stop 07:08 — 08:48 NK2457 Spirit Airlines Orlando — Atlanta 5h 19m stop 14:07 — 16:41 NK2092 Spirit Airlines Atlanta — Boston	14h 5m including layover	Find flight from$312
02:36 — 08:39 +1 day	01:59 — 05:05 NK2396 Spirit Airlines San Juan — Orlando 54m stop 06:30 — 09:10 NK2136 Spirit Airlines Orlando — Detroit 21h 31m stop 06:45 — 08:41 NK2149 Spirit Airlines Detroit — Boston	30h 3m including layover	Find flight from$333
07:25 — 23:59	07:25 — 11:24 UA2022 United Airlines San Juan — Washington D.C. 10h 54m stop 22:18 — 23:59 UA755 United Airlines Washington D.C. — Boston	16h 34m including layover	Find flight from$333
09:30 — 13:37	09:30 — 13:37 NK1802 Spirit Airlines San Juan — Boston	4h 7m	Find flight from$228
11:44 — 15:37 +1 day	11:44 — 16:23 NK2799 Spirit Airlines San Juan — Detroit 12h 37m stop 05:00 — 08:04 NK2007 Spirit Airlines Detroit — Miami 4h 18m stop 12:22 — 15:37 NK2126 Spirit Airlines Miami — Boston	27h 53m including layover	Find flight from$252
13:25 — 15:32 +1 day	13:25 — 17:41 UA1173 United Airlines San Juan — Newark 20h 35m stop 15:00 — 16:19 UA577 United Airlines Newark — Boston	26h 7m including layover	Find flight from$277
18:42 — 16:41 +1 day	18:21 — 21:34 NK2536 Spirit Airlines San Juan — Orlando 43m stop 22:17 — 23:59 NK2302 Spirit Airlines Orlando — Atlanta 13h 43m stop 13:54 — 16:24 NK2092 Spirit Airlines Atlanta — Boston	21h 59m including layover	Find flight from$183
18:42 — 09:25 +1 day	12:40 — 15:49 NK2536 Spirit Airlines San Juan — Orlando 47m stop 21:38 — 22:42 NK2242 Spirit Airlines Orlando — Nashville 6h 15m stop 06:00 — 09:35 NK2237 Spirit Airlines Nashville — Boston	14h 43m including layover	Find flight from$274
20:24 — 13:31 +1 day	20:24 — 23:12 NK2222 Spirit Airlines San Juan — Miami 9h 43m stop 08:55 — 10:33 NK2657 Spirit Airlines Miami — Myrtle Beach 55m stop 12:26 — 14:31 NK2658 Spirit Airlines Myrtle Beach — Boston	17h 7m including layover	Find flight from$264
20:24 — 16:41 +1 day	20:24 — 23:12 NK2222 Spirit Airlines San Juan — Miami 8h 28m stop 07:40 — 09:36 NK2213 Spirit Airlines Miami — Atlanta 4h 31m stop 14:07 — 16:41 NK2092 Spirit Airlines Atlanta — Boston	20h 17m including layover	Find flight from$264

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on September 18, 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 01:10 to 20:24 from 2 San Juan airports and arrive 01:10 to 20:24 to 4 Boston airports. Average flight time is 4h 7m.

The fastest flight 4h 7m
Average flight time 4h 7m
The earliest flight 01:10
The latest flight 20:24
Distance 1679 ml

The cheapest months to travel to Boston are june (from 128 $), july (from 214 $), august (from 214 $).

The most expensive months are may (from 266 $), august (from 214 $), july (from 214 $).

What is the lowest airfare San Juan to Boston?

The cheapest plane ticket found by our users is $128. This airfare is for economy class on one-way NK2396 flight by Spirit Airlines for July 6, 2025 which leaves Luis Munoz Marin Intl in San Juan at 02:36 am and arrives at Boston Logan at 22:56.

Economy class

$128

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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 3 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Cape Air - 6 departures per week at the price of from $ 403 . And the most expensive tickets are offered by United Airlines airline - from $ 887.

Direct flights

There are 1 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 $228.

NK - Spirit Airlines

from $228

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Connecting Flights

There are 57 flights with layovers on the route. The fastest connecting flight is UA2022 by United Airlines takes 6h 49m and the cheapest is NK2396 by Spirit Airlines for $128.

9K - Cape Air

from $403

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UA - United Airlines

from $214

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NK - Spirit Airlines

from $128

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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 $128
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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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Airplanes

There are flights to Boston from San Juan by 3 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top International Destinations from San Juan

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

San Juan — Miami

from $72

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San Juan — New York

from $60

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San Juan — Orlando

from $69

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San Juan — Boston

from $68

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San Juan — Chicago

from $65

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San Juan — Tampa

from $57

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San Juan — Atlanta

from $73

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San Juan — Houston

from $73

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San Juan — Dallas

from $58

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San Juan — Denver

from $62

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How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
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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.
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