Cheap flights from Boston (BOS) to San Juan (SJU)

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How to find the cheapest flight from
Boston (BOS) to San Juan (SJU)

All the information you need to plan the best BOS to SJU flight in 2021: compare Boston to San Juan flight prices with the expected peak season, weather and rainfall in San Juan.
BOS - PR1
Price
$153 - $517
PR1
Temperature
82.4 - 89.6 °F
PR1
Precipitation
1.3 - 5.8 inches

Popular in

December

High demand for flights, 51% potential price rise

Cheapest in

August

Best time to find cheap flights, 39% potential price drop

Round-trip from

$153

From Boston Logan Intl to San Juan

One-way from

$35

One-way flight from Boston Logan Intl to San Juan

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Boston to San Juan?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 47 days in advance, which can save you up to 9% on flights from Boston to San Juan compared to booking the week you need them. Waiting 47 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $226. For sooner than that we have options available in the next 3 days from $232.

What is the cheapest month to fly from Boston to San Juan?

The best pricing can be found in the month of August. Prices to San Juan from Boston average $252. You can even find prices in August for less than $252, as users have found deals to San Juan from as low as $104. The month of December appears to be one of the more expensive times to travel to San Juan from Boston. Flying in the targeted month can save you up to 104%.

When is the cheapest time to fly from Boston to San Juan (BOS - PR1)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to San Juan as you normally would.

Cheap flights from Boston to San Juan in September, October 2021

The best prices found for BOS to SJU flights for September, October
30 Oct - 6 Nov
$44pp
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
30 Oct - 6 Nov
$58pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
30 Oct - 6 Nov
$63pp
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl

Boston Logan Intl to San Juan 2021 flight deals

Cheap flights to San Juan from Boston found for this year
30 Oct - 6 Nov
$44pp
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
30 Oct - 6 Nov
$58pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
30 Oct - 6 Nov
$63pp
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl

Non-stop flights to San Juan from Boston

Save time with Boston to San Juan direct flight deals
30 Oct - 6 Nov
$44pp
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
30 Oct - 6 Nov
$63pp
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
13 Oct - 23 Oct
$75pp
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl

Last minute flights from Boston to San Juan

Late deals on round-trip flights to San Juan from Boston, departing today and this week
21 Sep - 23 Sep
$104pp
BOS
Boston Logan Intl
Spirit Airlines
Non-Stop
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
23 Sep - 1 Oct
$105pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
Non-Stop
BOS
Boston Logan Intl
23 Sep - 1 Oct
$108pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SJU
San Juan Luis Munoz Marin Intl
SJU
San Juan Luis Munoz Marin Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl

One-way flights to San Juan from Boston

The cheapest one-way flights from Boston to San Juan
5:20 am - 9:38 am
Spirit Airlines
Nonstop
4h 18m
BOS - SJU
Spirit Airlines
$35
Trip.com
5:20 am - 9:38 am
Spirit Airlines
Nonstop
4h 18m
BOS - SJU
Spirit Airlines
$49
mytrip.com
6:46 am - 12:04 pm
Spirit Airlines
Nonstop
4h 18m
BOS - SJU
Spirit Airlines
$54
mytrip.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Boston</span> to <span class="emphasized">San Juan</span> flights.

Flight FAQs

From Boston to San Juan

What airport do you fly from for flights from Boston to San Juan?

If you book a flight to San Juan from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston. There are 7 flights from Logan Intl to San Juan per day from 7 different airlines.

Which airlines flying from Boston Logan Intl to San Juan have flexible cancellations due to COVID-19?

Some of our airline partners flying from Boston Logan Intl to San Juan have new flexible policies in place due to COVID-19. JetBlue, Spirit Airlines, and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like JetBlue with this kind of flexibility.

Are flight prices decreasing from Boston to San Juan due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Boston and San Juan for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Boston to San Juan for under $100 on Cheapflights?

Yes, there are multiple flights from Boston to San Juan for under $100. The cheapest flight booked recently is on Spirit Airlines for just $44, but on average you can expect to pay $90.

Are there nonstop flights from Boston to San Juan for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Boston to San Juan under $100. A good price for a nonstop flight from Boston to San Juan is less than $106.

Are there last-minute flights available from Boston to San Juan for under $200?

There are currently 20+ open flights from Boston to San Juan within the next 7 days for less than $200.

What are the cheapest airlines flying from Boston to San Juan round-trip?

Spirit Airlines, at $44, was found to be the cheapest airline from Boston to San Juan. An alternate airline flying to your destination would be Delta. Spirit Airlines is currently priced 82% below the average price you’ll pay for this route.

COVID Restrictions

View COVID Travel Restrictions for San Juan, Puerto Rico

Do I need a COVID test to fly to San Juan from Boston?

Information is based on travel restrictions from Boston Logan Intl to San Juan

Most visitors from Boston Logan Intl need to provide a negative COVID-19 test result and/or quarantine to enter San Juan.

COVID-19 testing requirements
Visitors from Boston Logan Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to San Juan.

Quarantine requirements
Visitors from Boston Logan Intl are not required to quarantine after entering San Juan.

Do I need a test to fly back to Boston from San Juan?

Returning to Boston Logan Intl from San Juan

COVID-19 testing requirements
Visitors from San Juan must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Boston Logan Intl.

Quarantine requirements
Visitors from San Juan are not required to quarantine after entering Boston Logan Intl.

Hide COVID Travel Restrictions for San Juan, Puerto Rico

Alternative routes for Boston to San Juan

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Juan

Things to know before you go - useful duration and weather info for your trip from Boston to San Juan.
Today's exchange rate
$1 = $1.00
Flight duration from BOS to San Juan
4h 24m
Average temperature for September in San Juan
89.6 °F
Avg rainfall for September in San Juan
5.7 ″

Airports servicing Boston

Airports servicing San Juan

San Juan Isla Grande (SIG)

Top 6 airlines flying from Boston Logan Intl to San Juan

The chart below displays the airlines Cheapflights users traveling from Boston to San Juan choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$102 $158 No cancel fee 62%
Delta
$134 $289 No cancel fee N/A
United Airlines
$135 $350 No cancel fee 69%
Spirit Airlines
$124 $370 No cancel fee 65%
American Airlines
$133 $383 No cancel fee 71%
JetBlue
$217 $591 No cancel fee 62%

Hourly flight availability from Boston to San Juan

See what time of day planes typically take off from Boston towards San Juan.
Afternoon Noon to 6 PM 39% of BOS to SJU departures
Evening 6 PM to midnight 37% of BOS to SJU departures
Morning 6 AM to noon 23% of BOS to SJU departures
Early morning Midnight to 6 AM 1% of BOS to SJU departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Boston to San Juan
See how many times per day planes take to the skies headed from Boston to San Juan.
Sunday
8 daily flights
Monday
7 daily flights
Tuesday
7 daily flights
Wednesday
8 daily flights
Thursday
7 daily flights
Friday
8 daily flights
Saturday
6 daily flights
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