Which airline has the best punctuality record on Boston to San Juan flights?

Over the last year, Delta have had the lowest number of delays on this route, with just 15% of flights being delayed.

Which airport typically offers the quickest layover for flights from Boston to San Juan Luis Munoz Marin Intl Airport?

Flights via Newark (EWR) offer the fastest connection on this route, with an average layover time of 1h 02m.

What’s the cheapest layover airport for flights from Boston to San Juan Luis Munoz Marin Intl Airport?

Philadelphia (PHL) is the most affordable 1-stop option, with an average round-trip price of $197.

How often are flights from Boston to San Juan delayed?

About 25% of weekly flights between Boston and San Juan have experienced delays in the past year, with the average delay time being 145 minutes.

What is the most punctual flight time for Boston to San Juan flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What’s the top layover airport for flights from Boston to San Juan Luis Munoz Marin Intl Airport?

Baltimore (BWI) – chosen by Cheapflights users on 33% of 1-stop itineraries from Boston to San Juan Luis Munoz Marin Intl Airport on Cheapflights.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

What’s the fastest layover option from Boston to San Juan Luis Munoz Marin Intl Airport?

Flights via Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 6h 13m.

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 4h 02m. There are 1678 mi between Boston and San Juan Luis Munoz Marin Intl Airport. Most flights are nonstop.

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

Currently priced at $86, 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 $101 and $143, respectively. These flights start at 71% 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 United Airlines ($134), Southwest ($136), and Delta ($141).

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

The most flights from BOS to SJU are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

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.

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).

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 $297, our data shows the cheapest flight currently is $123. When looking at the most popular route, (Boston Logan Intl - San Juan Luis Munoz Marin Intl), you can expect to pay $169 for that flight.

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

Consider Hawaiian Airlines (73%), Delta (71%) or Icelandair (70%) 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 most popular airlines that fly from Boston to San Juan Luis Munoz Marin Intl Airport?

The most popular airlines flying from Boston to San Juan Luis Munoz Marin Intl Airport are JetBlue, Delta and Frontier. Something to consider prior to booking your flight.

Most accurate provider : When it comes to deals on Boston-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Boston-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.

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 7 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.

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.

$124+ Cheap Flights from Boston to San Juan Luis Munoz Marin Intl Airport

Q: How much does it cost to fly round-trip from Boston to San Juan Luis Munoz Marin Intl Airport?

Airfare is typical for this route at the moment. Boston to San Juan Luis Munoz Marin Intl Airport flights typically cost between $195 and $394 in February. The cheapest round-trip price found within the last 3 days was $216 on Spirit Airlines (Feb 1-Feb 4).

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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Boston Logan Intl to San Juan Luis Munoz Marin Intl are usually found in January or March, booked 27 days in advance, depart on a Monday or Wednesday and return on a Saturday

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 octubre 27, 2025.

lun. 12/811:08 amBOS - SJU

1 stop12h 08mSpirit Airlines

jue. 12/1111:38 amSJU - BOS

1 stop8h 28mSpirit Airlines

Deal found 10/26

$216

sáb. 11/17:43 pmBOS - SJU

Nonstop4h 00mJetBlue

vie. 11/78:10 pmSJU - BOS

Nonstop4h 06mJetBlue

Deal found 10/25

$219

mar. 12/306:00 amBOS - SJU

2 stops42h 06mMultiple Airlines

mié. 1/73:15 pmSJU - BOS

Nonstop4h 24mMultiple Airlines

Deal found 10/26

$220

dom. 11/96:16 amBOS - SJU

1 stop10h 03mSpirit Airlines

jue. 11/133:37 pmSJU - BOS

1 stop9h 22mSpirit Airlines

Deal found 10/25

$221

mar. 11/187:40 amBOS - SJU

Nonstop4h 04mJetBlue

vie. 11/219:25 pmSJU - BOS

Nonstop4h 05mJetBlue

Deal found 10/25

$223

mar. 11/181:55 pmBOS - SJU

Nonstop4h 02mJetBlue

mar. 11/259:25 pmSJU - BOS

Nonstop4h 05mJetBlue

Deal found 10/25

$225

mié. 12/3111:09 amBOS - SJU

1 stop11h 45mMultiple Airlines

mié. 1/145:27 pmSJU - BOS

Nonstop4h 07mMultiple Airlines

Deal found 10/25

$226

jue. 11/136:16 amBOS - SJU

1 stop10h 03mSpirit Airlines

jue. 11/2011:55 amSJU - BOS

1 stop12h 58mSpirit Airlines

Deal found 10/27

$227

sáb. 12/68:11 pmBOS - SJU

1 stop13h 22mSpirit Airlines

jue. 12/1111:38 amSJU - BOS

1 stop8h 28mSpirit Airlines

Deal found 10/26

$230

mié. 12/3111:09 amBOS - SJU

2 stops14h 30mMultiple Airlines

mié. 1/73:15 pmSJU - BOS

Nonstop4h 24mMultiple Airlines

Deal found 10/26

$237

jue. 12/252:20 pmBOS - SJU

Nonstop4h 03mJetBlue

mié. 12/315:18 pmSJU - BOS

Nonstop4h 14mJetBlue

Deal found 10/25

$238

Best flights from Boston to Luis Munoz Marin Intl
Discover carefully curated flight deals from Boston to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated octubre 27, 2025.

mié. 3/42:55 pmBOS - SJU

Nonstop4h 02mJetBlue

mié. 3/118:10 pmSJU - BOS

Nonstop4h 11mJetBlue

Deal found 10/26

$262

lun. 11/178:10 amBOS - SJU

Nonstop4h 05mDelta

jue. 11/202:27 pmSJU - BOS

Nonstop4h 22mDelta

Deal found 10/26

$262

lun. 11/1012:25 pmBOS - SJU

2 stops11h 11mUnited Airlines

jue. 11/132:05 amSJU - BOS

1 stop6h 29mUnited Airlines

Deal found 10/25

$271

mar. 3/176:00 amBOS - SJU

Nonstop4h 00mJetBlue

vie. 3/205:15 amSJU - BOS

Nonstop4h 08mJetBlue

Deal found 10/25

$262

lun. 12/88:10 amBOS - SJU

Nonstop4h 00mDelta

jue. 12/117:00 amSJU - BOS

1 stop8h 27mDelta

Deal found 10/26

$267

mié. 2/412:08 pmBOS - SJU

2 stops9h 14mUnited Airlines

mar. 2/107:45 amSJU - BOS

2 stops12h 12mUnited Airlines

Deal found 10/25

$271

jue. 1/157:30 amBOS - SJU

Nonstop4h 03mJetBlue

jue. 1/292:00 pmSJU - BOS

Nonstop4h 13mJetBlue

Deal found 10/27

$262

sáb. 2/214:15 pmBOS - SJU

1 stop7h 21mUnited Airlines

mié. 2/252:05 amSJU - BOS

1 stop8h 10mUnited Airlines

Deal found 10/25

$281

jue. 1/151:25 pmBOS - SJU

1 stop9h 30mJetBlue

vie. 1/306:10 amSJU - BOS

Nonstop4h 10mJetBlue

Deal found 10/27

$280

mié. 2/2510:30 amBOS - SJU

Nonstop4h 00mJetBlue

sáb. 2/281:59 amSJU - BOS

1 stop6h 31mJetBlue

Deal found 10/26

$281

mar. 2/246:00 amBOS - SJU

Nonstop4h 00mJetBlue

mar. 3/1010:40 amSJU - BOS

1 stop11h 02mJetBlue

Deal found 10/25

$281

sáb. 12/276:50 pmBOS - SJU

Nonstop4h 06mJetBlue

lun. 1/510:35 amSJU - BOS

1 stop8h 32mJetBlue

Deal found 10/26

$281

Last-minute flights from Boston to Luis Munoz Marin Intl
Discover last-minute flight deals from Boston to Luis Munoz Marin Intl. Data last updated octubre 27, 2025 and is based on user searches.

sáb. 11/17:43 pmBOS - SJU

Nonstop4h 00mJetBlue

vie. 11/78:10 pmSJU - BOS

Nonstop4h 06mJetBlue

Deal found 10/25

$219

dom. 11/96:16 amBOS - SJU

1 stop10h 03mSpirit Airlines

jue. 11/133:37 pmSJU - BOS

1 stop9h 22mSpirit Airlines

Deal found 10/25

$221

lun. 11/101:55 pmBOS - SJU

Nonstop4h 02mJetBlue

mar. 11/188:10 amSJU - BOS

Nonstop4h 13mJetBlue

Deal found 10/27

$241

jue. 11/136:16 amBOS - SJU

1 stop10h 03mSpirit Airlines

jue. 11/2011:55 amSJU - BOS

1 stop12h 58mSpirit Airlines

Deal found 10/27

$227

dom. 11/166:16 amBOS - SJU

1 stop10h 03mMultiple Airlines

jue. 11/209:30 pmSJU - BOS

2 stops28h 14mMultiple Airlines

Deal found 10/27

$240

dom. 11/168:40 amBOS - SJU

2 stops15h 52mFrontier

dom. 11/233:59 amSJU - BOS

1 stop7h 05mFrontier

Deal found 10/25

$256

mar. 11/187:40 amBOS - SJU

Nonstop4h 04mJetBlue

vie. 11/219:25 pmSJU - BOS

Nonstop4h 05mJetBlue

Deal found 10/25

$223

mar. 11/181:55 pmBOS - SJU

Nonstop4h 02mJetBlue

mar. 11/259:25 pmSJU - BOS

Nonstop4h 05mJetBlue

Deal found 10/25

$225

mar. 11/181:55 pmBOS - SJU

Nonstop4h 02mJetBlue

mié. 12/36:10 amSJU - BOS

Nonstop4h 09mJetBlue

Deal found 10/26

$243

jue. 11/205:45 amBOS - SJU

1 stop13h 42mSpirit Airlines

lun. 11/2411:55 amSJU - BOS

1 stop12h 58mSpirit Airlines

Deal found 10/24

$216

lun. 11/245:45 amBOS - SJU

1 stop13h 42mMultiple Airlines

jue. 12/410:42 amSJU - BOS

2 stops24h 40mMultiple Airlines

Deal found 10/25

$244

One-way flights from Boston to Luis Munoz Marin Intl
Search for one-way flight options from Boston to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated octubre 27, 2025.

mié. 12/316:07 pmBOS - SJU

1 stop14h 28mAmerican Airlines

Deal found 10/25

$124

vie. 1/27:34 pmBOS - SJU

Nonstop4h 07mSpirit Airlines

Deal found 10/26

$125

dom. 11/25:16 amBOS - SJU

1 stop10h 03mSpirit Airlines

Deal found 10/24

$126

mar. 12/306:00 amBOS - SJU

2 stops42h 06mFrontier

Deal found 10/25

$127

dom. 12/76:55 pmBOS - SJU

Nonstop3h 59mJetBlue

Deal found 10/26

$128

dom. 11/28:15 amBOS - SJU

Nonstop4h 06mDelta

Deal found 10/24

$129

sáb. 11/86:00 amBOS - SJU

2 stops20h 33mMultiple Airlines

Deal found 10/27

$130

vie. 1/309:27 amBOS - SJU

1 stop15h 15mMultiple Airlines

Deal found 10/25

$132

jue. 1/16:00 amBOS - SJU

1 stop17h 37mFrontier

Deal found 10/26

$133

dom. 11/97:00 amBOS - SJU

1 stop15h 52mAmerican Airlines

Deal found 10/24

$134

Cheap flight deals from Boston to Luis Munoz Marin Intl

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$216 (Cheapflightsfares)
One-way from	$124 (American Airlines)
Popular in	December
Cheapest in	January
Average price	$265
Good round-trip deal	$274 or less
Good one-way deal	$168 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.

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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

High demand for flights, 0% potential price rise

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 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.

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

mié. 3/4

2:55 pm-7:57 pm

Nonstop4h 02m

San Juan Luis Munoz Marin Intl

mié. 3/11

8:10 pm-12:21 am

Nonstop4h 11m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

lun. 11/17

8:10 am-1:15 pm

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

jue. 11/20

2:27 pm-5:49 pm

Nonstop4h 22m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

mar. 3/17

6:00 am-10:00 am

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

vie. 3/20

5:15 am-9:23 am

Nonstop4h 08m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

jue. 1/15

7:30 am-12:33 pm

Nonstop4h 03m

San Juan Luis Munoz Marin Intl

jue. 1/29

2:00 pm-5:13 pm

Nonstop4h 13m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

lun. 12/8

8:10 am-1:10 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

jue. 12/11

7:00 am-2:27 pm

1 stop8h 27m

$267

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

lun. 11/10

12:25 pm-12:36 am

2 stops11h 11m

San Juan Luis Munoz Marin Intl

jue. 11/13

2:05 am-7:34 am

1 stop6h 29m

$271

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

mié. 2/4

12:08 pm-10:22 pm

2 stops9h 14m

San Juan Luis Munoz Marin Intl

mar. 2/10

7:45 am-6:57 pm

2 stops12h 12m

$271

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

jue. 1/15

1:25 pm-11:55 pm

1 stop9h 30m

San Juan Luis Munoz Marin Intl

vie. 1/30

6:10 am-9:20 am

Nonstop4h 10m

$280

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

sáb. 2/21

4:15 pm-12:36 am

1 stop7h 21m

San Juan Luis Munoz Marin Intl

mié. 2/25

2:05 am-9:15 am

1 stop8h 10m

$281

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

mié. 2/25

10:30 am-3:30 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

sáb. 2/28

1:59 am-7:30 am

1 stop6h 31m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/24

Showing 1-10 of 24 results

Compare providers for flights from Boston to Luis Munoz Marin Intl

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 October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Trip.com	Price Accuracy2 stars	Trust Score*3 stars
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Boston-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.

Cheapflights Insights

Everything you need to know about your flight from Boston to San Juan Luis Munoz Marin Intl Airport

Prices

Airlines

Delays

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

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 27 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, January is the cheapest month in which you can book a flight from Boston to San Juan Luis Munoz Marin Intl Airport (average of $85). Flying from Boston to San Juan Luis Munoz Marin Intl Airport in September is currently the most expensive (average of $147). 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?

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 morning. If you’re flexible enough to do this you can expect to save up to 10% 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?

Travelers seeking maximum savings on their Boston to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Tuesday afternoons 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.

How much does it cost to fly round-trip from Boston to San Juan Luis Munoz Marin Intl Airport?

The best insider tips for Boston to San Juan Luis Munoz Marin Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Boston to San Juan Luis Munoz Marin Intl Airport trip

Airlines

Frontier

Frontier offers extra comfort seats with 32” separation for a fee, enhancing your flight experience.

Frontier’s Discount Den offers Kids Fly Free, ideal for family travel savings.

Read more about Frontierby Marisa Garcia

Spirit Airlines

Spirit’s Big Front Seats offer 11 inches more legroom, ideal for comfort on medium-haul flights.

Spirit’s Saver$ Club offers rotating deals and discounts on luggage and seats, maximizing savings.

Read more about Spirit Airlinesby Daniel Scheffler

Airports

BOS

Use the FlyLogan App to pre-order meals and save time at BOS. Most eateries participate, ensuring your meal is ready for pick-up.

SJU

Opt for rideshares like Uber at SJU for convenience and cashless payments. Taxis are available but often require cash despite claiming card acceptance.

Our travel experts

Marisa Garcia

Expert on Frontier

Daniel Scheffler

Expert on Spirit Airlines

Paul Rubio

Expert on BOS

Brandon Schultz

Expert on SJU

Reviews of airlines servicing Luis Munoz Marin Intl

Peruse reviews from past customers who have flown with Delta, American Airlines, and JetBlue from Boston to San Juan Luis Munoz Marin Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

7,996 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Delta

7.9

Good

7,996 reviews

Delta

7.9

Good

7,996 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

American Airlines

7.2

Good

11,033 reviews

Delta

7.9

Good

7,996 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

JetBlue

7.2

Good

2,907 reviews

Delta

7.9

Good

7,996 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Spirit Airlines

6.3

Okay

8,110 reviews

Delta

7.9

Good

7,996 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Frontier

5.8

Fair

3,122 reviews

Delta

7.9

Good

7,996 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Related info for your journey

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 7 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.
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 4h 02m. There are 1678 mi between Boston and San Juan Luis Munoz Marin Intl Airport. Most flights are nonstop.
What are the cheapest airlines flying from Boston to San Juan Luis Munoz Marin Intl Airport round-trip?
Currently priced at $86, 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 $101 and $143, respectively. These flights start at 71% 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 United Airlines ($134), Southwest ($136), and Delta ($141).
What are the most reliable airlines from Boston to San Juan Luis Munoz Marin Intl Airport?
Consider Hawaiian Airlines (73%), Delta (71%) or Icelandair (70%) 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 $297, our data shows the cheapest flight currently is $123. When looking at the most popular route, (Boston Logan Intl - San Juan Luis Munoz Marin Intl), you can expect to pay $169 for that flight.
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, January is the cheapest month in which you can book a flight from Boston to San Juan Luis Munoz Marin Intl Airport (average of $85). Flying from Boston to San Juan Luis Munoz Marin Intl Airport in September is currently the most expensive (average of $147). 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.

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Top 7 airlines flying from Boston to Luis Munoz Marin Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$86	Average$189	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$101	Average$271	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$143	Average$329	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$171	Average$357	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$190	Average$398	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$288	Average$482	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$398	Average$628	FlexibilityNo cancel fee	On-time63%

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$124+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Boston Logan Intl to San Juan Luis Munoz Marin Intl are usually found in January or March, booked 27 days in advance, depart on a Monday or Wednesday and return on a Saturday

Find flight deals from Boston to Luis Munoz Marin Intl

Cheapest flights from Boston to Luis Munoz Marin IntlExplore 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 octubre 27, 2025.

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 octubre 27, 2025.

Cheap flight deals from Boston to Luis Munoz Marin Intl

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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.

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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.

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Everything you need to know about your flight from Boston to San Juan Luis Munoz Marin Intl Airport

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

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

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

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

How much does it cost to fly round-trip from Boston to San Juan Luis Munoz Marin Intl Airport?

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

How often are flights from Boston to San Juan delayed?

What is the most punctual flight time for Boston to San Juan flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Boston to San Juan flights?

What’s the top layover airport for flights from Boston to San Juan Luis Munoz Marin Intl Airport?

What’s the fastest layover option from Boston to San Juan Luis Munoz Marin Intl Airport?

What’s the fastest layover option from Boston to San Juan Luis Munoz Marin Intl Airport?

Which airport typically offers the quickest layover for flights from Boston to San Juan Luis Munoz Marin Intl Airport?

The best insider tips for Boston to San Juan Luis Munoz Marin Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Boston to San Juan Luis Munoz Marin Intl Airport trip

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SJU

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Reviews of airlines servicing Luis Munoz Marin Intl

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?

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

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

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

What are the most reliable airlines 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?

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

How can I 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?

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

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

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Alternative routes for Boston to Luis Munoz Marin Intl

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Top 7 airlines flying from Boston to Luis Munoz Marin Intl

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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 octubre 27, 2025.