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$93+ Cheap flights from Puerto Rico 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BOS
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Puerto Rico to Boston

Cheapest flights from Puerto Rico to Boston
Explore the most affordable flight options available from Puerto Rico to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/510:52 am
SJU
-
BOS
Nonstop4h 20m
Spirit Airlines
Mon 2/93:18 pm
BOS
-
SJU
Nonstop4h 06m
Spirit Airlines
Deal found 2/2$121
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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.
Fri 2/1311:22 am
SJU
-
BOS
Nonstop4h 21m
Spirit Airlines
Tue 2/173:00 pm
BOS
-
SJU
Nonstop4h 06m
Spirit Airlines
Deal found 2/3$122
This Travelocity deal was found by Cheapflights users on 2/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:00 am
SJU
-
BOS
Nonstop4h 19m
Multiple Airlines
Sat 2/218:32 pm
BOS
-
SJU
1 stop17h 59m
Multiple Airlines
Deal found 2/3$123
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/510:52 am
SJU
-
BOS
Nonstop4h 20m
Spirit Airlines
Sat 2/73:18 pm
BOS
-
SJU
Nonstop4h 06m
Spirit Airlines
Deal found 2/1$125
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2611:22 am
SJU
-
BOS
Nonstop4h 21m
Spirit Airlines
Tue 3/34:22 pm
BOS
-
SJU
1 stop16h 55m
Spirit Airlines
Deal found 2/2$126
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Fri 2/276:00 am
SJU
-
BOS
Nonstop4h 19m
Frontier
Mon 3/210:04 am
BOS
-
SJU
Nonstop3h 56m
Frontier
Deal found 2/3$127
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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.
Thu 2/2611:22 am
SJU
-
BOS
Nonstop4h 21m
Spirit Airlines
Sun 3/18:01 pm
BOS
-
SJU
Nonstop4h 07m
Spirit Airlines
Deal found 2/3$128
This Spirit deal was found by Cheapflights users on 2/1. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:22 am
SJU
-
BOS
Nonstop4h 21m
Spirit Airlines
Sun 3/18:01 pm
BOS
-
SJU
Nonstop4h 07m
Spirit Airlines
Deal found 2/1$129
This Travelocity deal was found by Cheapflights users on 1/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/146:00 am
SJU
-
BOS
Nonstop4h 19m
Multiple Airlines
Wed 2/185:27 am
BOS
-
SJU
1 stop9h 04m
Multiple Airlines
Deal found 1/31$130
This eDestinos deal was found by Cheapflights users on 2/1. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1211:22 am
SJU
-
BOS
Nonstop4h 21m
Spirit Airlines
Tue 2/173:00 pm
BOS
-
SJU
Nonstop4h 06m
Spirit Airlines
Deal found 2/1$131
This CheapOair deal was found by Cheapflights users on 2/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/136:00 am
SJU
-
BOS
Nonstop4h 19m
Multiple Airlines
Mon 2/235:27 am
BOS
-
SJU
1 stop9h 04m
Multiple Airlines
Deal found 2/1$132
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
SJU
-
BOS
Nonstop4h 19m
Multiple Airlines
Mon 3/93:00 pm
BOS
-
SJU
Nonstop4h 06m
Multiple Airlines
Deal found 2/1$133

Find flight deals from Puerto Rico to Boston

Keep the following information in mind while searching for Puerto Rico to Boston flight deals. Data was last updated February 4, 2026.

Round-trip from

$122
(Cheapflightsfares)

One-way from

$93
(Cheapflightsfares)

Popular in

July

Cheapest in

February

Average price

$183

Good round-trip deal

$136 or less

Good one-way deal

$180 or less
From Puerto Rico to Boston Logan Intl
Search Deals
One-way flight from Puerto Rico to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Puerto Rico to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Puerto Rico to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Puerto Rico to Boston 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 4, 2026.
Use the filters below to find and compare flights from Puerto Rico to Boston that are best for you.

Fly from

Puerto Rico

Fly to

Boston

Route

Depart

Return

Price

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 2/26

3:30 pm-6:56 pm

Nonstop4h 26m

Boston Logan Intl

Sun 3/1

8:01 pm-1:08 am

Nonstop4h 07m

$129

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sun 2/15

5:20 am-11:37 am

1 stop7h 17m

Boston Logan Intl

Sun 2/22

5:27 am-3:31 pm

1 stop9h 04m

$164

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 2/18

5:20 am-11:37 am

1 stop7h 17m

Boston Logan Intl

Sun 2/22

4:22 pm-10:17 am

1 stop16h 55m

$170

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 2/27

11:52 am-11:59 pm

1 stop13h 07m

Boston Logan Intl

Sun 3/1

8:01 pm-1:08 am

Nonstop4h 07m

$178

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 3/4

11:52 am-11:59 pm

1 stop13h 07m

Boston Logan Intl

Sun 3/8

4:22 pm-9:17 am

1 stop16h 55m

$198

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 3/10

5:00 am-11:48 am

1 stop6h 48m

Boston Logan Intl

Sun 3/15

6:01 am-11:58 pm

1 stop17h 57m

$210

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 7/10

7:49 pm-11:54 pm

Nonstop4h 05m

Boston Logan Intl

Mon 7/20

9:15 pm-1:19 am

Nonstop4h 04m

$217

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Mon 2/16

5:20 am-11:37 am

1 stop7h 17m

Boston Logan Intl

Sun 2/22

5:27 am-3:31 pm

1 stop9h 04m

$218

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 2/24

11:52 am-11:59 pm

1 stop13h 07m

Boston Logan Intl

Sun 3/1

8:01 pm-1:08 am

Nonstop4h 07m

$230

PonceBoston

PSE - BOS

PSEBOS

Ponce Mercedita

Tue 2/17

5:15 am-11:54 am

1 stop7h 39m

Boston Logan Intl

Sat 2/21

5:35 pm-2:00 am

1 stop7h 25m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 50 results
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Best time to book a flight from Puerto Rico to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Puerto Rico 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 Puerto Rico to Boston

What is the cheapest month to book a flight from Puerto Rico to Boston?

Currently, April is the cheapest month in which you can book a flight from Puerto Rico to Boston (average of $65). Flying from Puerto Rico to Boston in November is currently the most expensive (average of $141). 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 PR to BOS?

Find hourly flight availability from Puerto Rico 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 February 4, 2026.

One of the essential ways to save on airfare from Puerto Rico to Boston is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 15% on airfare.

What is the cheapest day to fly from Puerto Rico to Boston?

Use this chart to determine the cheapest time to fly round-trip from Puerto Rico to Boston. Price data was last updated on January 31, 2026.

Travelers seeking maximum savings on their Puerto Rico to Boston flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Puerto Rico to Boston

Explore weekly flight availability from Puerto Rico to Boston. 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 4, 2026.

The most flights from PR0 to BOS are scheduled on a Monday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

How often are flights from Puerto Rico to Boston delayed?

About 17% of weekly flights between Puerto Rico and Boston have experienced delays in the past year, with the average delay time being 158 minutes.

What is the most punctual flight time for Puerto Rico to Boston flights?

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

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

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

Which airline has the best punctuality record on Puerto Rico to Boston flights?

Over the last year, Delta have had the lowest number of delays on this route, with just 10% of flights being delayed.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated February 4, 2026.
See what other customers who have flown with Delta, JetBlue, and Spirit Airlines from Puerto Rico to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,138 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,138 reviews
Delta
7.9
Good
8,138 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,893 reviews
Delta
7.9
Good
8,138 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Spirit Airlines
6.3
Okay
8,403 reviews
Delta
7.9
Good
8,138 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.7
Fair
3,051 reviews
Delta
7.9
Good
8,138 reviews

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico to Boston. 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 into for flights to Boston from Puerto Rico?

    Boston Logan Intl (BOS) is the airport you will fly into if you book a flight from Puerto Rico to Boston. It is only a 2.6 mi journey from Logan Intl (BOS) to Boston’s city center.

  • How long is the flight from Puerto Rico to Boston?

    Spirit Airlines and JetBlue can get you from Puerto Rico to Boston in just under 4h 26m. Your travel time can differ by up to 3h 13m. Airlines will cover a distance of 1678 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Puerto Rico to Boston one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $69. Users have also found prices from $74 and $98 on Frontier and American Airlines, respectively.

  • What are the most popular routes from Puerto Rico to Boston?

    Most travelers choose San Juan Luis Munoz Marin Intl - Boston Logan Intl, Aguadilla Borinquen - Boston Logan Intl or Culebra - Boston Logan Intl when deciding on the best route from Puerto Rico to Boston.

  • What are the most reliable airlines from Puerto Rico to Boston?

    Consider Japan Airlines (75%), EL AL (72%) or Icelandair (67%) when booking your flight. These represent the most reliable airlines when flying from Puerto Rico to Boston.

  • What are the cheapest flights from Puerto Rico to Boston?

    Looking for the cheapest flight from Puerto Rico to Boston? While on average our users pay $252, our data indicates the cheapest price to be $95. The most popular route (San Juan Luis Munoz Marin Intl - Boston Logan Intl), is priced around $102.

  • Can I find deals for flights from Puerto Rico to Boston that include hotel bookings?

    Yes. In addition to deals on Puerto Rico to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Puerto Rico to Boston?

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

  • Can I find deals for business class flights from Puerto Rico to Boston?

    Yes. Cheapflights offers flight deals from Puerto Rico 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 Puerto Rico to Boston?

    Currently, April is the cheapest month in which you can book a flight from Puerto Rico to Boston (average of $65). Flying from Puerto Rico to Boston in November is currently the most expensive (average of $141). 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?

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Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Puerto Rico to Boston

Discover the top 4 airlines that operate flights from Puerto Rico to Boston. 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 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$73Average$198FlexibilityNo cancel feeOn-time65%
FrontierCheapest$86Average$201FlexibilityNo cancel feeOn-time62%
DeltaCheapest$113Average$274FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$136Average$333FlexibilityNo cancel feeOn-time62%

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