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

Frontier, at $66, was found to be the cheapest airline from San Juan Luis Munoz Marin Intl Airport to Boston.Alternate airlines to your destination round-trip include Spirit Airlines and Delta. Frontier is priced at 70% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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

Looking for the cheapest flight from San Juan Luis Munoz Marin Intl Airport to Boston? While on average our users pay $252, our data indicates the cheapest price to be $112. The most popular route (San Juan Luis Munoz Marin Intl - Boston Logan Intl), is priced around $190.

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

No one likes to see their flight delayed. When booking a flight from San Juan Luis Munoz Marin Intl Airport to Boston consider choosing Delta (95%), WestJet (95%) or KLM (95%) as they are the most reliable in getting you off to your destination on time.

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

JetBlue, Delta and Frontier are the most popular airlines when flying from San Juan Luis Munoz Marin Intl Airport to Boston.

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

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 29% when planning your travel around this day of the week.

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

September can be a great time to fly to Boston from San Juan Luis Munoz Marin Intl Airport with a flight ticket averaging about $226. Cheapflights users have found deals in the month of September for as cheap as $52. The most expensive prices can be found in the month of July.

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

For a flight from San Juan Luis Munoz Marin Intl to Boston, you will be flying into Logan Intl. Boston Logan Intl (BOS) is just 2.6 mi from the center of the city. Logan Intl is the only Boston airport and it handles 19 inbound flights from San Juan Luis Munoz Marin Intl per day. 4 airlines have flights to Boston Logan Intl from San Juan Luis Munoz Marin Intl on a regular basis.

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

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

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

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

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

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

$101+ Cheap Flights from San Juan Luis Munoz Marin Intl Airport to Boston

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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 San Juan Luis Munoz Marin Intl to Boston Logan Intl are usually found in September or February, booked 40 days in advance, depart on a Friday or Saturday and return on a Monday

Cheap flight deals from Luis Munoz Marin Intl to Boston

Round-trip from	$168 (SmartFares)
One-way from	$101 (Cheapflightsfares)
Popular in	July
Cheapest in	September
Average price	$238
Good round-trip deal	$187 or less
Good one-way deal	$176 or less

From San Juan Luis Munoz Marin Intl to Boston Logan Intl

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One-way flight from San Juan Luis Munoz Marin Intl to Boston Logan Intl

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($56 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Price to beat on a round-trip flight from San Juan Luis Munoz Marin Intl to Boston Logan Intl.

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Price to beat on a one-way flight from San Juan Luis Munoz Marin Intl to Boston Logan Intl.

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Find flight deals from Luis Munoz Marin Intl to Boston

Cheapest flights from Luis Munoz Marin Intl to Boston
Explore the most affordable flight options available from Luis Munoz Marin Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Fri 9/1211:59 amSJU - BOS

1 stop11h 58mSpirit Airlines

Sat 9/2012:20 pmBOS - SJU

1 stop8h 36mSpirit Airlines

Deal found 8/13

$168

Fri 8/2910:16 pmSJU - BOS

1 stop16h 14mSpirit Airlines

Sun 8/3110:34 amBOS - SJU

1 stop14h 22mSpirit Airlines

Deal found 8/12

$196

Wed 9/106:44 amSJU - BOS

1 stop7h 04mSpirit Airlines

Mon 9/152:53 pmBOS - SJU

1 stop10h 01mSpirit Airlines

Deal found 8/12

$202

Wed 9/176:44 amSJU - BOS

1 stop7h 04mSpirit Airlines

Mon 9/222:53 pmBOS - SJU

1 stop10h 01mSpirit Airlines

Deal found 8/12

$203

Fri 8/2910:16 pmSJU - BOS

1 stop16h 14mSpirit Airlines

Tue 9/912:20 pmBOS - SJU

1 stop8h 36mSpirit Airlines

Deal found 8/13

$204

Sat 9/206:44 amSJU - BOS

1 stop7h 04mSpirit Airlines

Thu 9/255:50 amBOS - SJU

1 stop7h 53mSpirit Airlines

Deal found 8/13

$206

Fri 9/1211:59 amSJU - BOS

1 stop11h 58mSpirit Airlines

Sun 9/146:49 pmBOS - SJU

1 stop16h 15mSpirit Airlines

Deal found 8/13

$208

Thu 9/112:38 pmSJU - BOS

1 stop8h 09mSpirit Airlines

Sun 9/145:50 amBOS - SJU

1 stop7h 53mSpirit Airlines

Deal found 8/14

$211

Best flights from Luis Munoz Marin Intl to Boston
Discover carefully curated flight deals from Luis Munoz Marin Intl to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Fri 9/1211:59 amSJU - BOS

1 stop11h 58mSpirit Airlines

Sat 9/2012:20 pmBOS - SJU

1 stop8h 36mSpirit Airlines

Deal found 8/14

$176

Sat 9/206:44 amSJU - BOS

1 stop7h 04mSpirit Airlines

Thu 9/255:50 amBOS - SJU

1 stop7h 53mSpirit Airlines

Deal found 8/12

$196

Fri 8/2910:16 pmSJU - BOS

1 stop16h 14mSpirit Airlines

Tue 9/912:20 pmBOS - SJU

1 stop8h 36mSpirit Airlines

Deal found 8/13

$204

Fri 9/56:44 amSJU - BOS

1 stop7h 04mSpirit Airlines

Sat 9/612:20 pmBOS - SJU

1 stop8h 36mSpirit Airlines

Deal found 8/13

$208

Thu 9/1811:59 amSJU - BOS

1 stop11h 58mSpirit Airlines

Sun 9/216:49 pmBOS - SJU

1 stop16h 15mSpirit Airlines

Deal found 8/13

$208

Fri 9/1911:59 amSJU - BOS

1 stop11h 58mSpirit Airlines

Sun 9/215:50 amBOS - SJU

1 stop7h 53mSpirit Airlines

Deal found 8/12

$208

Thu 9/112:38 pmSJU - BOS

1 stop8h 09mSpirit Airlines

Sun 9/145:50 amBOS - SJU

1 stop7h 53mSpirit Airlines

Deal found 8/14

$211

Last-minute flights from Luis Munoz Marin Intl to Boston
Discover last-minute flight deals from Luis Munoz Marin Intl to Boston. Data last updated August 14, 2025 and is based on user searches.

Tue 8/192:11 amSJU - BOS

1 stop7h 28mSpirit Airlines

Wed 9/36:30 amBOS - SJU

1 stop16h 58mSpirit Airlines

Deal found 8/13

$322

Tue 8/192:11 amSJU - BOS

1 stop7h 28mSpirit Airlines

Tue 9/23:37 pmBOS - SJU

1 stop8h 20mSpirit Airlines

Deal found 8/13

$334

Wed 8/202:11 amSJU - BOS

1 stop7h 28mSpirit Airlines

Tue 8/263:37 pmBOS - SJU

1 stop8h 20mSpirit Airlines

Deal found 8/12

$292

Thu 8/2112:45 pmSJU - BOS

Nonstop4h 08mJetBlue

Mon 8/251:40 pmBOS - SJU

Nonstop4h 02mJetBlue

Deal found 8/12

$272

Thu 8/218:13 pmSJU - BOS

1 stop12h 22mFrontier

Mon 8/2511:08 amBOS - SJU

1 stop8h 00mFrontier

Deal found 8/14

$284

Fri 8/228:13 pmSJU - BOS

1 stop15h 55mFrontier

Sun 8/249:20 amBOS - SJU

1 stop17h 30mFrontier

Deal found 8/12

$267

Fri 8/224:38 pmSJU - BOS

1 stop18h 36mMultiple Airlines

Mon 8/253:37 pmBOS - SJU

1 stop8h 20mMultiple Airlines

Deal found 8/12

$276

Fri 8/228:13 pmSJU - BOS

1 stop15h 55mFrontier

Mon 8/2511:08 amBOS - SJU

1 stop8h 00mFrontier

Deal found 8/14

$291

Fri 8/228:25 amSJU - BOS

Nonstop4h 09mJetBlue

Mon 8/258:45 pmBOS - SJU

Nonstop4h 04mJetBlue

Deal found 8/12

$312

Fri 8/221:16 pmSJU - BOS

Nonstop4h 14mDelta

Tue 8/268:00 amBOS - SJU

Nonstop4h 06mDelta

Deal found 8/11

$328

Sat 8/238:23 pmSJU - BOS

1 stop12h 12mFrontier

Thu 8/2811:24 amBOS - SJU

1 stop12h 39mFrontier

Deal found 8/13

$329

Fri 8/2910:16 pmSJU - BOS

1 stop16h 14mSpirit Airlines

Sun 8/3110:34 amBOS - SJU

1 stop14h 22mSpirit Airlines

Deal found 8/12

$196

One-way flights from Luis Munoz Marin Intl to Boston
Search for one-way flight options from Luis Munoz Marin Intl to Boston. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Thu 9/42:38 pmSJU - BOS

1 stop8h 09mSpirit Airlines

Deal found 8/12

$101

Fri 9/56:44 amSJU - BOS

1 stop7h 04mSpirit Airlines

Deal found 8/12

$102

Mon 11/33:48 amSJU - BOS

1 stop11h 00mSpirit Airlines

Deal found 8/11

$107

Fri 8/2910:16 pmSJU - BOS

1 stop16h 14mSpirit Airlines

Deal found 8/13

$108

Sat 9/66:44 amSJU - BOS

1 stop7h 04mSpirit Airlines

Deal found 8/13

$109

Sun 9/212:38 pmSJU - BOS

1 stop8h 09mSpirit Airlines

Deal found 8/14

$110

Sat 9/136:44 amSJU - BOS

1 stop7h 04mSpirit Airlines

Deal found 8/12

$114

Wed 11/126:40 amSJU - BOS

1 stop7h 15mSouthwest

Deal found 8/12

$128

Tue 9/236:44 amSJU - BOS

1 stop7h 04mSpirit Airlines

Deal found 8/13

$129

Wed 8/2712:59 amSJU - BOS

1 stop7h 43mFrontier

Deal found 8/14

$131

Sat 8/238:23 pmSJU - BOS

1 stop12h 12mFrontier

Deal found 8/13

$132

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 9/12

11:59 am-11:57 pm

1 stop11h 58m

Boston Logan Intl

Sat 9/20

12:20 pm-8:56 pm

1 stop8h 36m

$176

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sat 9/20

6:44 am-1:48 pm

1 stop7h 04m

Boston Logan Intl

Thu 9/25

5:50 am-1:43 pm

1 stop7h 53m

$196

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 8/29

10:16 pm-2:30 pm

1 stop16h 14m

Boston Logan Intl

Tue 9/9

12:20 pm-8:56 pm

1 stop8h 36m

$204

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 9/5

6:44 am-1:48 pm

1 stop7h 04m

Boston Logan Intl

Sat 9/6

12:20 pm-8:56 pm

1 stop8h 36m

$208

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 9/18

11:59 am-11:57 pm

1 stop11h 58m

Boston Logan Intl

Sun 9/21

6:49 pm-11:04 am

1 stop16h 15m

$208

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 9/19

11:59 am-11:57 pm

1 stop11h 58m

Boston Logan Intl

Sun 9/21

5:50 am-1:43 pm

1 stop7h 53m

$208

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 9/11

2:38 pm-10:47 pm

1 stop8h 09m

Boston Logan Intl

Sun 9/14

5:50 am-1:43 pm

1 stop7h 53m

$211

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 9/4

2:38 pm-10:47 pm

1 stop8h 09m

$101

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 9/10

6:44 am-1:48 pm

1 stop7h 04m

$102

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 10/30

2:48 am-1:48 pm

1 stop11h 00m

$102

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 15 results

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

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

Airlines

Frontier

Frontier’s UpFront Plus seats offer a guaranteed empty middle seat for extra comfort.

Frontier’s Zone 1 boarding is available with a carry-on bag or special fare bundle.

Read more about Frontierby Marisa Garcia

Spirit Airlines

Spirit’s Big Front Seats offer 11 inches more legroom and larger tray tables.

Spirit’s Wi-Fi allows streaming; book a plan during ticket purchase for savings.

Read more about Spirit Airlinesby Daniel Scheffler

Airports

SJU

Security wait times at SJU can vary. Arrive two hours early for domestic flights to ensure a smooth departure.

BOS

For a scenic arrival, consider the water taxi from BOS to Boston’s Long Wharf or Seaport District.

Our travel experts

Marisa Garcia

Expert on Frontier

Daniel Scheffler

Expert on Spirit Airlines

Paul Rubio

Expert on BOS

Brandon Schultz

Expert on SJU

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

Have a flexible travel schedule? Discover the best time to fly to Boston from Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport to Boston

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

Booking 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan Luis Munoz Marin Intl Airport to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Boston (average of $218). Flying from San Juan Luis Munoz Marin Intl Airport to Boston in July is currently the most expensive (average of $311). 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 SJU to BOS?

When flying from San Juan Luis Munoz Marin Intl Airport to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 17% versus a flight at noon.

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

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

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

The most flights from SJU to BOS are scheduled on a Thursday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Reviews of airlines servicing Boston

Get a feel of what it's like to fly with Delta, JetBlue, and Spirit Airlines from San Juan Luis Munoz Marin Intl Airport to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

JetBlue

7.2

Good

2,914 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Spirit Airlines

6.3

Okay

8,045 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Frontier

5.8

Fair

3,219 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

What airport do you fly into for flights to Boston from San Juan Luis Munoz Marin Intl?
For a flight from San Juan Luis Munoz Marin Intl to Boston, you will be flying into Logan Intl. Boston Logan Intl (BOS) is just 2.6 mi from the center of the city. Logan Intl is the only Boston airport and it handles 19 inbound flights from San Juan Luis Munoz Marin Intl per day. 4 airlines have flights to Boston Logan Intl from San Juan Luis Munoz Marin Intl on a regular basis.
What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to Boston round-trip?
Frontier, at $66, was found to be the cheapest airline from San Juan Luis Munoz Marin Intl Airport to Boston.Alternate airlines to your destination round-trip include Spirit Airlines and Delta. Frontier is priced at 70% lower than the current average price of a flight leaving 3 months from now.
What are the most reliable airlines from San Juan Luis Munoz Marin Intl Airport to Boston?
No one likes to see their flight delayed. When booking a flight from San Juan Luis Munoz Marin Intl Airport to Boston consider choosing Delta (95%), WestJet (95%) or KLM (95%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from San Juan Luis Munoz Marin Intl Airport to Boston?
Looking for the cheapest flight from San Juan Luis Munoz Marin Intl Airport to Boston? While on average our users pay $252, our data indicates the cheapest price to be $112. The most popular route (San Juan Luis Munoz Marin Intl - Boston Logan Intl), is priced around $190.
Can I find deals for flights from Luis Munoz Marin Intl to Boston that include hotel bookings?
Yes. In addition to deals on Luis Munoz Marin Intl to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Luis Munoz Marin Intl to Boston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luis Munoz Marin Intl to Boston.
Can I find deals for business class flights from Luis Munoz Marin Intl to Boston?
Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to Boston 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 San Juan Luis Munoz Marin Intl Airport to Boston?
Currently, January is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Boston (average of $218). Flying from San Juan Luis Munoz Marin Intl Airport to Boston in July is currently the most expensive (average of $311). 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

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Top 4 airlines flying from Luis Munoz Marin Intl to Boston

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$66	Average$140	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$85	Average$222	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$131	Average$281	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$134	Average$295	FlexibilityNo cancel fee	On-time62%

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$101+ Cheap flights from Luis Munoz Marin Intl (SJU) to Boston (BOS)

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Boston Logan Intl are usually found in September or February, booked 40 days in advance, depart on a Friday or Saturday and return on a Monday

Cheap flight deals from Luis Munoz Marin Intl to Boston

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Luis Munoz Marin Intl to Boston

Cheapest flights from Luis Munoz Marin Intl to BostonExplore the most affordable flight options available from Luis Munoz Marin Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from Luis Munoz Marin Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

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

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

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

Airlines

Frontier

Spirit Airlines

Airports

SJU

BOS

Our travel experts

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

Have a flexible travel schedule? Discover the best time to fly to Boston from Luis Munoz Marin Intl with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to Boston. Price data was last updated on August 8, 2025.

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

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

Find hourly flight availability from Luis Munoz Marin Intl to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Luis Munoz Marin Intl to Boston. Price data was last updated on August 10, 2025.

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

Reviews of airlines servicing Boston

Get a feel of what it's like to fly with Delta, JetBlue, and Spirit Airlines from San Juan Luis Munoz Marin Intl Airport to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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Top 4 airlines flying from Luis Munoz Marin Intl to Boston

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Cheapest flights from Luis Munoz Marin Intl to Boston
Explore the most affordable flight options available from Luis Munoz Marin Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.