Cheap flights from Boston (BOS) to San Juan

BOS — SJU
Oct 3 — Oct 101

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

All the information you need to plan the best BOS to PR1 flight in 2022: compare Boston to San Juan flight prices with the expected peak season, weather and rainfall in San Juan.

BOS - SJU

Price

$227 - $445

SJU

Temperature

77 - 82.4 °F

SJU

Rainfall

2.2 - 6.1 inches

Popular inDecemberHigh demand for flights, 28% potential price rise
Cheapest inOctoberBest time to find cheap flights, 29% potential price drop
Round-trip from$227From Boston Logan Intl to San Juan
One-way from$115One-way flight from Boston Logan Intl to San Juan

How far in advance should I book a flight from Boston to San Juan?

To save on the cost of your flight from Boston to San Juan, book at least 34 days before your planned departure. Booking around this time can save you about 19% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $337 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $367.

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

The best pricing can be found in the month of October. Prices to San Juan from Boston average $319. You can even find prices in October for less than $319, as users have found deals to San Juan from as low as $111. 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 39%.

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

When flying from Boston to San Juan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from Boston to San Juan in September, October 2022

The best prices found for BOS to San Juan flights for September, October
Oct 26 - Oct 29
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
SJU

San Juan Luis Munoz Marin Intl

BOS

Boston Logan Intl

Nonstop

4h 25m
$142

Spirit Airlines

Pick Dates

Deal found 26/9/22

Oct 2 - Oct 4
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
SJU

San Juan Luis Munoz Marin Intl

BOS

Boston Logan Intl

Nonstop

4h 25m
$147

Spirit Airlines

Pick Dates

Deal found 25/9/22

Oct 13 - Oct 18
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
SJU

San Juan Luis Munoz Marin Intl

BOS

Boston Logan Intl

Nonstop

4h 25m
$148

Spirit Airlines

Pick Dates

Deal found 26/9/22

Boston to San Juan 2022 flight deals

Cheap flights to San Juan from Boston found for this year
Oct 26 - Oct 29
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
SJU

San Juan Luis Munoz Marin Intl

BOS

Boston Logan Intl

Nonstop

4h 25m
$142

Spirit Airlines

Pick Dates

Deal found 26/9/22

Oct 2 - Oct 4
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
SJU

San Juan Luis Munoz Marin Intl

BOS

Boston Logan Intl

Nonstop

4h 25m
$147

Spirit Airlines

Pick Dates

Deal found 25/9/22

Oct 13 - Oct 18
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
SJU

San Juan Luis Munoz Marin Intl

BOS

Boston Logan Intl

Nonstop

4h 25m
$148

Spirit Airlines

Pick Dates

Deal found 26/9/22

Cheap Spirit Airlines flights from Boston to San Juan

Oct 26 - Oct 29
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
SJU

San Juan Luis Munoz Marin Intl

BOS

Boston Logan Intl

Nonstop

4h 25m
$142

Spirit Airlines

Pick Dates

Deal found 26/9/22

Oct 13 - Oct 18
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
SJU

San Juan Luis Munoz Marin Intl

BOS

Boston Logan Intl

Nonstop

4h 25m
$148

Spirit Airlines

Pick Dates

Deal found 26/9/22

Oct 4 - Oct 16
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
SJU

San Juan Luis Munoz Marin Intl

BOS

Boston Logan Intl

Nonstop

4h 25m
$149

Spirit Airlines

Pick Dates

Deal found 25/9/22

Non-stop flights to San Juan from Boston

Save time with Boston to San Juan direct flight deals
Oct 26 - Oct 29
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
SJU

San Juan Luis Munoz Marin Intl

BOS

Boston Logan Intl

Nonstop

4h 25m
$142

Spirit Airlines

Pick Dates

Deal found 26/9/22

Oct 13 - Oct 18
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
SJU

San Juan Luis Munoz Marin Intl

BOS

Boston Logan Intl

Nonstop

4h 25m
$148

Spirit Airlines

Pick Dates

Deal found 26/9/22

Oct 13 - Oct 18
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
SJU

San Juan Luis Munoz Marin Intl

BOS

Boston Logan Intl

Nonstop

4h 25m
$149

Spirit Airlines

Pick Dates

Deal found 26/9/22

Last minute flights from Boston to San Juan

Late deals on return flights to San Juan from Boston, departing today and this week
Oct 5 - Oct 18
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
SJU

San Juan Luis Munoz Marin Intl

BOS

Boston Logan Intl

Nonstop

4h 25m
$148

Spirit Airlines

Pick Dates

Deal found 27/9/22

Oct 4 - Oct 16
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
SJU

San Juan Luis Munoz Marin Intl

BOS

Boston Logan Intl

Nonstop

4h 25m
$149

Spirit Airlines

Pick Dates

Deal found 25/9/22

Oct 4 - Oct 7
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
SJU

San Juan Luis Munoz Marin Intl

BOS

Boston Logan Intl

Nonstop

4h 25m
$150

Spirit Airlines

Pick Dates

Deal found 26/9/22

One-way flights to San Juan from Boston

The cheapest one-way flights from Boston to San Juan
Oct 26
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
$71

Spirit Airlines

Pick Dates

Deal found 25/9/22

Nov 2
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
$73

Spirit Airlines

Pick Dates

Deal found 25/9/22

Oct 18
BOS

Boston Logan Intl

SJU

San Juan Luis Munoz Marin Intl

Nonstop

4h 31m
$74

Spirit Airlines

Pick Dates

Deal found 26/9/22

Related info for your journey

Useful info, stats and facts about Boston to San Juan flights.

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 8 flights from Logan Intl to San Juan per day from 11 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. Spirit Airlines, JetBlue, and Frontier are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Spirit Airlines with this kind of flexibility.

Can I find flights from Boston to San Juan for under $200 on Cheapflights?

Yes, there are multiple flights from Boston to San Juan for under $200. The cheapest flight booked recently is on Spirit Airlines for just $142, but on average you can expect to pay $159.

Are there nonstop flights from Boston to San Juan for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Boston to San Juan under $200. A good price for a nonstop flight from Boston to San Juan is less than $162.

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 days are nonstop flights available from Boston to San Juan?

Nonstop flights are available for this route on the following days: Sunday, Monday, Thursday, Friday.

How many flights depart from Boston to San Juan on average per day?

5 flight departures from Boston to San Juan per day on average.
Evening (6pm - Midnight) - 100% of flight departures

How long is the flight from Boston to San Juan?

Spirit Airlines can get you from Boston to San Juan in just under 4h 31m. Your travel time will be generally consistent. Boston and San Juan are separated by a distance of 1688 mi. Generally, flights for this route are nonstop.

What is the cheapest airline to fly from Boston to San Juan round-trip?

According to our current data, Spirit Airlines ($142), offers the cheapest pricing from Boston to San Juan. You may be able to fly from Boston to San Juan for 55% less than the average price by searching for this airline.

What are the cheapest airlines to fly from Boston to San Juan one-way?

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $71. However, be on the lookout for offers from Frontier and JetBlue, as they are both options that can get you from Boston to San Juan for a low price.

What are the most popular airlines that fly from Boston to San Juan?

Before booking your flight from Boston to San Juan check out the most popular airlines for this route: Undisclosed Carrier, American Airlines or Alaska Airlines.

What are the most reliable airlines from Boston to San Juan?

The top 3 most reliable airlines when flying from Boston to San Juan are EL AL (89%), Spirit Airlines (79%) and Turkish Airlines (70%).

What are the cheapest flights from Boston to San Juan?

The cheapest flight price from Boston to San Juan is $83. On average you can expect to pay $1,094. The most popular route, (Boston Logan Intl - San Juan Luis Munoz Marin Intl), can usually be booked for $148.

Alternative routes for Boston to San Juan

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

Top 8 airlines flying from Boston 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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$12Average$22FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
FrontierCheapest$111Average$215FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
United AirlinesCheapest$134Average$413FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
Spirit AirlinesCheapest$135Average$358FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
American AirlinesCheapest$137Average$385FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$153Average$417FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
JetBlueCheapest$165Average$651FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search JetBlue flights
Alaska AirlinesCheapest$376Average$539FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights

Hourly flight availability from Boston to San Juan

See what time of day planes typically take off from Boston to San Juan
1%of flight departuresEarly morningMidnight to 6 am
29%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
70%of flight departuresEvening6 pm to midnight
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
Sunday9daily flights
Monday10daily flights
Tuesday8daily flights
Wednesday9daily flights
Thursday9daily flights
Friday8daily flights
Saturday8daily flights