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Luis Munoz Marin Intl

$152+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJU
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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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

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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 68 days in advance, depart on a Monday or Sunday and return on a Friday

Cheap 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 June 11, 2026.

This SmartFares deal was found by Cheapflights users on 6/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:20 pm
BOS
-
SJU
Nonstop4h 38m
JetBlue
Wed 9/307:35 pm
SJU
-
BOS
Nonstop4h 08m
JetBlue
Deal found 6/9$298
This Faresmojo deal was found by Cheapflights users on 6/10. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:50 pm
BOS
-
SJU
Nonstop4h 04m
JetBlue
Mon 8/246:00 am
SJU
-
BOS
1 stop9h 26m
JetBlue
Deal found 6/10$307
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Sun 9/207:20 pm
BOS
-
SJU
Nonstop4h 38m
JetBlue
Mon 9/286:00 am
SJU
-
BOS
Nonstop4h 03m
JetBlue
Deal found 6/11$308
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:55 am
BOS
-
SJU
Nonstop4h 06m
Delta
Sat 9/192:06 pm
SJU
-
BOS
Nonstop4h 05m
Delta
Deal found 6/8$313
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:05 am
BOS
-
SJU
1 stop7h 30m
Delta
Sat 9/262:06 pm
SJU
-
BOS
Nonstop4h 05m
Delta
Deal found 6/8$318
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:00 am
BOS
-
SJU
1 stop8h 35m
Delta
Wed 9/161:32 pm
SJU
-
BOS
1 stop9h 38m
Delta
Deal found 6/8$322
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Tue 10/2710:15 am
BOS
-
SJU
Nonstop3h 58m
JetBlue
Tue 10/277:50 pm
SJU
-
BOS
Nonstop4h 06m
JetBlue
Deal found 6/10$323
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:40 am
BOS
-
SJU
1 stop8h 14m
American Airlines
Tue 9/152:58 pm
SJU
-
BOS
2 stops8h 30m
American Airlines
Deal found 6/10$327
This JetBlue deal was found by Cheapflights users on 6/8. 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.
Tue 7/75:25 pm
BOS
-
SJU
Nonstop4h 07m
JetBlue
Wed 7/86:30 am
SJU
-
BOS
Nonstop4h 02m
JetBlue
Deal found 6/8$328
This United Airlines deal was found by Cheapflights users on 6/6. 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 6/205:35 pm
BOS
-
SJU
1 stop11h 54m
United Airlines
Tue 6/237:20 am
SJU
-
BOS
1 stop7h 23m
United Airlines
Deal found 6/6$331
This United Airlines deal was found by Cheapflights users on 6/8. 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 9/57:05 am
BOS
-
SJU
2 stops13h 33m
United Airlines
Tue 9/83:56 pm
SJU
-
BOS
1 stop9h 18m
United Airlines
Deal found 6/8$332
This JetBlue deal was found by Cheapflights users on 6/8. 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.
Wed 9/910:15 am
BOS
-
SJU
Nonstop4h 08m
JetBlue
Fri 9/117:35 pm
SJU
-
BOS
Nonstop4h 08m
JetBlue
Deal found 6/8$333

Find 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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$298
(SmartFares)

One-way from

$152
(SmartFares)

Popular in

June

Cheapest in

January

Average price

$409

Good round-trip deal

$381 or less

Good one-way deal

$198 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. 11% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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

Cheapflights Fare Finder

 
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 June 11, 2026.
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

Cheapest round-trip
Quickest round-trip

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 9/11

8:55 am-1:01 pm

Nonstop4h 06m

San Juan Luis Munoz Marin Intl

Wed 9/16

2:06 pm-6:11 pm

Nonstop4h 05m

$313

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 9/30

8:55 am-1:01 pm

Nonstop4h 06m

San Juan Luis Munoz Marin Intl

Fri 10/9

2:06 pm-6:11 pm

Nonstop4h 05m

$313

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 11/30

8:13 am-1:20 pm

Nonstop4h 07m

San Juan Luis Munoz Marin Intl

Mon 12/7

2:05 pm-10:26 pm

1 stop9h 21m

$318

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 8/28

8:50 am-12:57 pm

Nonstop4h 07m

San Juan Luis Munoz Marin Intl

Tue 9/1

2:59 pm-1:25 am

1 stop10h 26m

$318

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 8/21

8:50 am-12:57 pm

Nonstop4h 07m

San Juan Luis Munoz Marin Intl

Mon 8/31

5:49 pm-1:25 am

1 stop7h 36m

$318

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 8/12

1:55 pm-10:29 pm

1 stop8h 34m

San Juan Luis Munoz Marin Intl

Wed 8/19

5:49 pm-1:25 am

1 stop7h 36m

$322

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 9/20

6:05 am-12:13 pm

1 stop6h 08m

San Juan Luis Munoz Marin Intl

Fri 9/25

1:32 pm-11:10 pm

1 stop9h 38m

$322

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 8/28

9:05 am-4:33 pm

1 stop7h 28m

San Juan Luis Munoz Marin Intl

Mon 9/7

7:30 am-4:13 pm

1 stop8h 43m

$322

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 9/5

5:30 am-1:42 pm

1 stop8h 12m

San Juan Luis Munoz Marin Intl

Wed 9/9

1:35 pm-10:36 pm

1 stop9h 01m

$322

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 10/27

5:05 am-2:50 pm

2 stops9h 45m

San Juan Luis Munoz Marin Intl

Tue 11/3

6:15 am-2:25 pm

2 stops9h 10m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 23 resultsSorted by cheapest first
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3

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust 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.

Cheapflights Insights

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?

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 67 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 $269). Flying from Boston to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $409). 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 June 11, 2026.

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 11% on your trip compared to booking a flight in the morning.

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 June 8, 2026.

Travelers seeking maximum savings on their Boston to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Friday afternoons when fares are most often at their lowest. Friday evenings 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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to San Juan Luis Munoz Marin Intl Airport trip
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Paul Rubio

Paul Rubio

Expert on BOS

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Brandon Schultz

Brandon Schultz

Expert on SJU

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

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 June 11, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines 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
8,399 reviews

Overall

7.9

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,399 reviews
Delta
7.9
Good
8,399 reviews

Overall

7.9

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,807 reviews
Delta
7.9
Good
8,399 reviews

Overall

7.9

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,640 reviews
Delta
7.9
Good
8,399 reviews

Overall

7.9

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
JetBlue
7.1
Good
2,980 reviews
Delta
7.9
Good
8,399 reviews

Overall

7.9

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Frontier
5.6
Fair
2,898 reviews
Delta
7.9
Good
8,399 reviews

Overall

7.9

Boarding

8.1

Comfort

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 4 outbound flights to San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 6 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 06m. 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 Delta and JetBlue - these airlines can fly you to your destination from $147 and $160, respectively. These flights start at 74% 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 ($61), JetBlue ($101), and Delta ($114).

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

    Consider Turkish Airlines (89%), Japan Airlines (86%) or Aer Lingus (82%) 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 $642, our data shows the cheapest flight currently is $156. When looking at the most popular route, (Boston Logan Intl - San Juan Luis Munoz Marin Intl), you can expect to pay $298 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 $269). Flying from Boston to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $409). 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 San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Fajardo
Luquillo
Rio Grande
Dorado
Humacao
Bayamón

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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

Top 6 airlines flying from Boston to Luis Munoz Marin Intl

Discover the top 6 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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$86Average$281FlexibilityNo cancel feeOn-time62%
DeltaCheapest$147Average$371FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$160Average$358FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$211Average$418FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$242Average$433FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$313Average$399FlexibilityNo cancel feeOn-time63%

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