Cheap flights from Boston (BOS) to Luis Munoz Marin Intl (SJU) from $59

This is the cheapest one-way flight price, found on 9/27. Prices may vary by date and flight preferences.
BOS — SJU
Oct 3 — Oct 101

How to find the cheapest flight from Boston (BOS) to Luis Munoz Marin Intl (SJU)

All the information you need to plan the best BOS to SJU flight in 2023: compare Boston to Luis Munoz Marin Intl flight prices with the expected peak season, weather and rainfall in Luis Munoz Marin Intl.

Popular in

December

Cheapest in

May

Round-trip from

$252

One-way from

$96
High demand for flights, 29% potential price rise
Best time to find cheap flights, 28% potential price drop
From Boston Logan Intl to San Juan Luis Munoz Marin Intl
One-way flight from Boston Logan Intl to San Juan Luis Munoz Marin Intl

BOS - SJU

Price

$252 - $584

SJU

Temperature

77 - 82.4 °F

SJU

Rainfall

2.2 - 6.1 inches

How far in advance should I book a flight from Boston to San Juan Luis Munoz Marin Intl Airport?

To save on the cost of your flight from Boston to San Juan Luis Munoz Marin Intl Airport, book at least 34 days before your planned departure. Booking around this time can save you about 26% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $361 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $419.

What is the cheapest month to fly from Boston to San Juan Luis Munoz Marin Intl Airport?

The best pricing can be found in the month of May. Prices to San Juan Luis Munoz Marin Intl Airport from Boston average $346. You can even find prices in May for less than $346, as users have found deals to San Juan Luis Munoz Marin Intl Airport from as low as $186. The month of December appears to be one of the more expensive times to travel to San Juan Luis Munoz Marin Intl Airport from Boston. Flying in the targeted month can save you up to 40%.

When is the cheapest time to fly from Boston to San Juan Luis Munoz Marin Intl Airport (BOS - SJU)?

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

Cheap Spirit Airlines flights from Boston to Luis Munoz Marin Intl

Take a peek at the cheapest Spirit Airlines flights we've detected traveling from Boston to San Juan. Come back soon if you're not finding the exact deal you're looking for.
  • If you’re traveling from Boston to San Juan Luis Munoz Marin Intl Airport, one of the more common airlines traveling that route is Spirit Airlines. Boston to San Juan Luis Munoz Marin Intl Airport flights are typically 38% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $350.89 RT. The cheapest Spirit Airlines flight found for this route was $151. When traveling from Boston to San Juan Luis Munoz Marin Intl Airport on Spirit Airlines, the most popular airport to depart from is Boston Logan Intl Airport and the most popular airport to arrive at is San Juan Luis Munoz Marin Intl Airport. When flying from Boston to San Juan Luis Munoz Marin Intl Airport, Spirit Airlines flights are 44% more popular than any other airline flying that same route.

Cheap Frontier flights from Boston to Luis Munoz Marin Intl

To aid your search, here are some of the cheapest Frontier flights we've found from Boston to San Juan. Deals are refreshing constantly so come back soon for more options.
  • One of the most popular airlines traveling from Boston to San Juan Luis Munoz Marin Intl Airport is Frontier. Flights from Frontier traveling this route typically cost $397.74 RT. This price is typically 30% cheaper than other airlines that offer Boston to San Juan Luis Munoz Marin Intl Airport flights. When booking this route, the cheapest RT price found was $155. Boston Logan Intl Airport is the most common Boston airport to take off from when flying to San Juan Luis Munoz Marin Intl Airport. San Juan Luis Munoz Marin Intl Airport is the most popular arrival airport in San Juan Luis Munoz Marin Intl Airport. When flying from Boston to San Juan Luis Munoz Marin Intl Airport, Frontier flights are 31% more popular than any other airline flying that same route.

Cheap Boston to Luis Munoz Marin Intl flights in September & October 2023

The best prices found for BOS to SJU flights for September, October
Listed are some of the best fares we've found on flights departing from Boston to San Juan in 2023. For more flight deals, be sure to check back very soon.

Boston to Luis Munoz Marin Intl 2023 flight deals

Cheap flights to Luis Munoz Marin Intl from Boston found for this year
Listed are some of the best fares we've found on flights departing from Boston to San Juan in 2023. For more flight deals, be sure to check back very soon.

Non-stop flights to Luis Munoz Marin Intl from Boston

Save time with Boston to Luis Munoz Marin Intl direct flight deals
For a shorter flight, select one of these non-stop flights from Boston to San Juan. Those looking to potentially save on 1 or 2-stop flights from Boston to San Juan should utilize the search form at the the top of the page.

Boston to Luis Munoz Marin Intl flights leaving soon

Late deals on return flights to Luis Munoz Marin Intl from Boston, departing today and this week
Consider one of these great deals we found on last-minute flights from Boston to San Juan. Users should examine the flight details to ensure there are no surprises.

One-way flights to Luis Munoz Marin Intl from Boston

The cheapest one-way flights from Boston to Luis Munoz Marin Intl
Users in need of a one-way flight from Boston to San Juan can choose from these deals. Those seeking round-trip flights from Boston to San Juan should utilize the search form at the the top of the page.

Find flights from Boston to Luis Munoz Marin Intl within your budget

Use the slider to find flights from Boston to Luis Munoz Marin Intl that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$118 - $266

Route

Depart

Return

Price

Boston Logan IntlSan Juan Luis Munoz Marin Intl

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 10/28

1 stop13h 00m

San Juan Luis Munoz Marin Intl

Mon 10/30

1 stop7h 11m

Boston Logan IntlSan Juan Luis Munoz Marin Intl

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 10/18

1 stop6h 59m

San Juan Luis Munoz Marin Intl

Tue 10/31

1 stop8h 40m

Boston Logan IntlSan Juan Luis Munoz Marin Intl

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 11/1

Nonstop4h 08m

San Juan Luis Munoz Marin Intl

Mon 11/6

1 stop7h 13m

Boston Logan IntlSan Juan Luis Munoz Marin Intl

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 11/13

1 stop12h 20m

San Juan Luis Munoz Marin Intl

Thu 11/30

1 stop6h 44m

Boston Logan IntlSan Juan Luis Munoz Marin Intl

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 11/8

1 stop7h 43m

San Juan Luis Munoz Marin Intl

Thu 11/9

1 stop6h 48m

Boston Logan IntlSan Juan Luis Munoz Marin Intl

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 10/21

1 stop6h 59m

San Juan Luis Munoz Marin Intl

Wed 10/25

1 stop6h 48m

Boston Logan IntlSan Juan Luis Munoz Marin Intl

BOS - SJU

BOSSJU

Boston Logan Intl

Thu 11/30

Nonstop4h 01m

San Juan Luis Munoz Marin Intl

Sun 12/10

Nonstop4h 14m

Boston Logan IntlSan Juan Luis Munoz Marin Intl

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 1/1

Nonstop4h 11m

San Juan Luis Munoz Marin Intl

Wed 2/7

Nonstop4h 26m

Boston Logan IntlSan Juan Luis Munoz Marin Intl

BOS - SJU

BOSSJU

Boston Logan Intl

Thu 1/25

1 stop6h 41m

San Juan Luis Munoz Marin Intl

Tue 1/30

2 stops16h 10m

Flights are sorted by cheapest first

Deals found on 9/27

Reviews of airlines servicing Luis Munoz Marin Intl

Read reviews from past customers who have flown Spirit Airlines, Frontier and JetBlue from Boston to San Juan. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
3,023 reviews

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Boarding

8.0

Overall

7.9

Reviews

1 / 10

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

Delta
7.9
Good
3,023 reviews
Delta
7.9
Good
3,023 reviews

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Boarding

8.0

Overall

7.9

Reviews

1 / 10

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

United Airlines
7.4
Good
1,890 reviews
Delta
7.9
Good
3,023 reviews

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Boarding

8.0

Overall

7.9

Reviews

1 / 10

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

American Airlines
7.2
Good
2,635 reviews
Delta
7.9
Good
3,023 reviews

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Boarding

8.0

Overall

7.9

Reviews

1 / 10

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

JetBlue
7.2
Good
781 reviews
Delta
7.9
Good
3,023 reviews

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Boarding

8.0

Overall

7.9

Reviews

1 / 10

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

Spirit Airlines
6.3
Okay
1,483 reviews
Delta
7.9
Good
3,023 reviews

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Boarding

8.0

Overall

7.9

Reviews

1 / 10

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

Related info for your journey

Useful info, stats and facts about Boston to Luis Munoz Marin Intl flights.

What airport do you fly from for flights from Boston to San Juan Luis Munoz Marin Intl?

Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to San Juan Luis Munoz Marin Intl. You should not have trouble finding flights to San Juan Luis Munoz Marin Intl from Logan Intl; the airport handles an average of 13 outbound flights to San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 9 airlines have flights from the Boston airport to San Juan Luis Munoz Marin Intl. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.

Can I find flights from Boston to San Juan Luis Munoz Marin Intl Airport for under $200 on Cheapflights?

Yes, there are multiple flights from Boston to San Juan Luis Munoz Marin Intl Airport for under $200. The cheapest flight booked recently is on Frontier for just $118, but on average you can expect to pay $137.

Are there nonstop flights from Boston to San Juan Luis Munoz Marin Intl Airport for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Boston to San Juan Luis Munoz Marin Intl Airport under $200. A good price for a nonstop flight from Boston to San Juan Luis Munoz Marin Intl Airport is less than $149.

Are there last-minute flights available from Boston to San Juan Luis Munoz Marin Intl Airport for under $200?

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

What days are nonstop flights available from Boston to San Juan Luis Munoz Marin Intl Airport?

Nonstop flights can be found on the following days: Sunday, Monday.

How many flights depart from Boston to San Juan Luis Munoz Marin Intl Airport on average per day?

Travelers can expect 3 flights from Boston to San Juan Luis Munoz Marin Intl Airport on average per day.
Morning (6am - Noon) - 67% of flight departures
Evening (6pm - Midnight) - 33% of flight departures

How long is the flight from Boston to San Juan Luis Munoz Marin Intl Airport?

Departing from Boston to San Juan Luis Munoz Marin Intl Airport will take you 7h 43m. There are 1688 mi between Boston and San Juan Luis Munoz Marin Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Boston to San Juan Luis Munoz Marin Intl Airport round-trip?

Currently priced at $118, Frontier will fly you from Boston to San Juan Luis Munoz Marin Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Spirit Airlines for as low as $132. These flights start at 65% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Boston to San Juan Luis Munoz Marin Intl Airport one-way?

The cheapest airlines for a one-way flight from Boston to San Juan Luis Munoz Marin Intl Airport are Frontier ($59), Spirit Airlines ($66), and JetBlue ($99).

What are the most popular airlines that fly from Boston to San Juan Luis Munoz Marin Intl Airport?

What are the most reliable airlines from Boston to San Juan Luis Munoz Marin Intl Airport?

Consider Delta (77%), Icelandair (61%) or EL AL (60%) when booking your flight. These represent the most reliable airlines when flying from Boston to San Juan Luis Munoz Marin Intl Airport.

What are the cheapest flights from Boston to San Juan Luis Munoz Marin Intl Airport?

While on average a flight from Boston to San Juan Luis Munoz Marin Intl Airport is generally $702, our data shows the cheapest flight currently is $65. When looking at the most popular route, (Boston Logan Intl - San Juan Luis Munoz Marin Intl), you can expect to pay $132 for that flight.

What does BOS to SJU mean?

BOS stands for Boston Logan Intl Airport, while SJU stands for San Juan Luis Munoz Marin Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

Top 9 airlines flying from Boston to Luis Munoz Marin Intl

The chart below displays the airlines Cheapflights users traveling from Boston to Luis Munoz Marin Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$107Average$273FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$123Average$223FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$151Average$351FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest$155Average$398FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Endeavor AirlinesCheapest$214Average$455FlexibilityNo cancel feeOn-timeN/A
Search Endeavor Airlines flights
United AirlinesCheapest$220Average$531FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$282Average$512FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapest$479Average$584FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Linear Air TaxiCheapest$14,669Average$73,311FlexibilityNo cancel feeOn-timeN/A
Search Linear Air Taxi flights

Hourly flight availability from Boston to Luis Munoz Marin Intl

See what time of day planes typically take off from Boston to Luis Munoz Marin Intl
1%of flight departuresEarly morningMidnight to 6 am
12%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
87%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Boston to Luis Munoz Marin Intl

See how many times per day planes take to the skies headed from Boston to Luis Munoz Marin Intl
Sunday16daily flights
Monday15daily flights
Tuesday13daily flights
Wednesday16daily flights
Thursday15daily flights
Friday13daily flights
Saturday7daily flights

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How does Cheapflights help users find flights from Boston to Luis Munoz Marin Intl?

Deals for Boston to Luis Munoz Marin Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Boston to Luis Munoz Marin Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Luis Munoz Marin Intl from Boston.

Can Cheapflights find flights from Boston to Luis Munoz Marin Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Luis Munoz Marin Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Boston to Luis Munoz Marin Intl become cheaper?

Yes! Start tracking prices for Boston to Luis Munoz Marin Intl flights today and get alerted whenever prices for these flights change. To access this feature, navigate to the search form above to perform a search, which will then prompt you for a valid email address to use the tool.

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