HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luis Munoz Marin Intl

$60+ Cheap flights from Boston (BOS) to Luis Munoz Marin Intl (SJU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJU
Mar 1 — Mar 81
Sat 3/1
Sat 3/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Boston Logan Intl to San Juan Luis Munoz Marin Intl are usually found in September or August, booked 26 days in advance, depart on a Tuesday or Thursday and return on a Friday

Cheap flight deals from Boston to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$115
(Kiwi.com)

One-way from

$60
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$303

Good round-trip deal

$186 or less

Good one-way deal

$111 or less
Provider with most accurate pricing for Boston Logan Intl-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-San Juan Luis Munoz Marin Intl flights.
Search Deals
From Boston Logan Intl to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Boston Logan Intl to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to San Juan Luis Munoz Marin Intl.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to San Juan Luis Munoz Marin Intl.
Search Deals

Find flight deals from Boston to Luis Munoz Marin Intl

Cheapest flights from Boston to Luis Munoz Marin Intl
Explore the most affordable flight options available from Boston to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 24, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1311:43 amBOS - SJU
Nonstop4h 01mMultiple Airlines
Mon 5/191:10 amSJU - BOS
1 stop14h 20mMultiple Airlines
Deal found 2/23$115
This Mytrip deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/211:16 amBOS - SJU
Nonstop3h 56mFrontier
Fri 4/116:00 amSJU - BOS
Nonstop4h 16mFrontier
Deal found 2/23$116
This Cheapflightsfares deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2611:27 amBOS - SJU
1 stop7h 17mSpirit Airlines
Fri 5/22:40 pmSJU - BOS
Nonstop4h 17mSpirit Airlines
Deal found 2/22$119
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/38:00 amBOS - SJU
2 stops12h 38mUnited Airlines
Wed 5/71:25 pmSJU - BOS
2 stops10h 34mUnited Airlines
Deal found 2/24$194
This JetBlue deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/18:59 pmBOS - SJU
1 stop10h 33mJetBlue
Fri 3/73:18 amSJU - BOS
Nonstop4h 09mJetBlue
Deal found 2/22$264

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

Customize your flight search to find flights from Boston to Luis Munoz Marin Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 24, 2025.

Fly from

Boston

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 5/13

11:43 am-3:44 pm

Nonstop4h 01m

San Juan Luis Munoz Marin Intl

Mon 5/19

1:10 am-3:30 pm

1 stop14h 20m

$115

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 4/2

11:16 am-3:12 pm

Nonstop3h 56m

San Juan Luis Munoz Marin Intl

Fri 4/11

6:00 am-10:16 am

Nonstop4h 16m

$116

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 4/26

11:27 am-6:44 pm

1 stop7h 17m

San Juan Luis Munoz Marin Intl

Fri 5/2

2:40 pm-6:57 pm

Nonstop4h 17m

$119

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 5/3

8:00 am-8:38 pm

2 stops12h 38m

San Juan Luis Munoz Marin Intl

Wed 5/7

1:25 pm-11:59 pm

2 stops10h 34m

$194

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 5/30

8:20 am-12:32 pm

Nonstop4h 12m

San Juan Luis Munoz Marin Intl

Tue 6/10

1:55 pm-6:14 pm

Nonstop4h 19m

$254

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 3/4

10:03 am-12:27 am

1 stop13h 24m

$60

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 3/28

11:22 am-3:14 pm

Nonstop3h 52m

$79

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 3/30

8:20 am-12:19 pm

Nonstop3h 59m

$127

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 3/1

8:59 pm-8:32 am

1 stop10h 33m

$137

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 3/26

11:10 am-11:40 pm

2 stops12h 30m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 12 results
1
2

Compare providers for flights from Boston to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Luis Munoz Marin Intl in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
FareScanPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Boston to Luis Munoz Marin Intl

Get recent, data-driven insights about flights from Boston to Luis Munoz Marin Intl including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Luis Munoz Marin Intl. Price data was last updated on February 14, 2025.

The price you pay for your flight from Boston to San Juan Luis Munoz Marin Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, September is the cheapest month in which you can book a flight from Boston to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Boston to San Juan Luis Munoz Marin Intl Airport in March is currently the most expensive (average of $363). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to SJU?

Find hourly flight availability from Boston to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 24, 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to San Juan Luis Munoz Marin Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Boston to Luis Munoz Marin Intl. Price data was last updated on February 23, 2025.

Travelers seeking maximum savings on their Boston to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to San Juan Luis Munoz Marin Intl Airport

Explore weekly flight availability from Boston to Luis Munoz Marin Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 24, 2025.

The most flights from BOS to SJU are scheduled on a Monday (17 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated February 24, 2025.
Read reviews from past customers who have flown Southwest, Delta and JetBlue from Boston to San Juan. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,380 reviews

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,380 reviews
Southwest
8.1
Very good
4,380 reviews

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,174 reviews
Southwest
8.1
Very good
4,380 reviews

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

JetBlue
7.4
Good
3,057 reviews
Southwest
8.1
Very good
4,380 reviews

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,742 reviews
Southwest
8.1
Very good
4,380 reviews

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,380 reviews

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Boston to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 11 outbound flights to San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 7 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.

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

    Currently priced at $116, 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. Search Cheapflights for deals from Spirit Airlines and Delta - these airlines can fly you to your destination from $119 and $254, respectively. These flights start at 56% 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 Spirit Airlines ($60), Frontier ($79), and JetBlue ($127).

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

    Consider Spirit Airlines (80%), Delta (68%) or Hawaiian Airlines (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 $551, our data shows the cheapest flight currently is $63. When looking at the most popular route, (Boston Logan Intl - San Juan Luis Munoz Marin Intl), you can expect to pay $94 for that flight.

  • Where are the most common layover locations when flying from Boston to San Juan Luis Munoz Marin Intl Airport?

    Most of the time, Boston to San Juan Luis Munoz Marin Intl Airport flights that have layovers will stop in Orlando.

  • What are some popular things to do or see while on a layover in Orlando?

    The majority of Orlando visitors spend their time at Walt Disney World Resort, Universal Orlando Resort, and International Drive. Walt Disney World Resort, Universal Orlando Resort, and International Drive can be accessed by traveling approximately 16.2 mi, 10.2 mi, and 9.9 mi, respectively from Orlando. Travelers can rent a car at Orlando for an average daily rate of $27 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Boston to San Juan Luis Munoz Marin Intl Airport flights?

    Of the flights from Boston to San Juan Luis Munoz Marin Intl Airport that have layovers, the fewest flights stop in New York.

  • Can I find deals for flights from Boston to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Boston to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Boston to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Boston to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Boston to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Boston to San Juan Luis Munoz Marin Intl Airport in March is currently the most expensive (average of $363). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Dorado
Fajardo
Luquillo
Rio Grande
Humacao
Bayamón

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
Hartford to Luis Munoz Marin Intl flights
Albany to Luis Munoz Marin Intl flights
Worcester to Luis Munoz Marin Intl flights
Provincetown to Luis Munoz Marin Intl flights

Top 7 airlines flying from Boston to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from Boston to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$76Average$166FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$93Average$254FlexibilityNo cancel feeOn-time65%
DeltaCheapest$141Average$324FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$142Average$333FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$204Average$549FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$509FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$452Average$708FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.