HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$97+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BOS
Apr 27 — May 41
Mon 4/27
Mon 5/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Puerto Rico to Boston with Cheapflights

1. Tell us where you want to go

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

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 28, 2026.

This CheapOair deal was found by Cheapflights users on 3/26. 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.
Sat 4/410:00 am
SJU
-
BOS
Nonstop4h 18m
Multiple Airlines
Sun 4/1211:18 am
BOS
-
SJU
Nonstop3h 59m
Multiple Airlines
Deal found 3/26$143
This Frontier deal was found by Cheapflights users on 3/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:00 am
SJU
-
BOS
Nonstop4h 16m
Frontier
Tue 4/711:18 am
BOS
-
SJU
Nonstop3h 59m
Frontier
Deal found 3/27$144
This Cheapflightsfares deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/410:00 am
SJU
-
BOS
Nonstop4h 18m
Spirit Airlines
Sun 4/123:23 pm
BOS
-
SJU
Nonstop3h 56m
Spirit Airlines
Deal found 3/25$145
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Thu 4/96:00 am
SJU
-
BOS
Nonstop4h 16m
Multiple Airlines
Mon 4/133:23 pm
BOS
-
SJU
Nonstop3h 56m
Multiple Airlines
Deal found 3/25$147
This Frontier deal was found by Cheapflights users on 3/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:00 am
SJU
-
BOS
Nonstop4h 16m
Frontier
Sun 4/1211:18 am
BOS
-
SJU
Nonstop3h 59m
Frontier
Deal found 3/25$149
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Thu 4/96:00 am
SJU
-
BOS
Nonstop4h 16m
Multiple Airlines
Sun 4/123:23 pm
BOS
-
SJU
Nonstop3h 56m
Multiple Airlines
Deal found 3/27$150
This Cheapflightsfares deal was found by Cheapflights users on 3/28. 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 4/910:00 am
SJU
-
BOS
Nonstop4h 18m
Spirit Airlines
Sun 4/123:23 pm
BOS
-
SJU
Nonstop3h 56m
Spirit Airlines
Deal found 3/28$151
This Frontier deal was found by Cheapflights users on 3/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:00 am
SJU
-
BOS
Nonstop4h 16m
Frontier
Thu 4/911:18 am
BOS
-
SJU
Nonstop3h 59m
Frontier
Deal found 3/27$152
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/310:00 am
SJU
-
BOS
Nonstop4h 18m
Multiple Airlines
Thu 4/911:18 am
BOS
-
SJU
Nonstop3h 59m
Multiple Airlines
Deal found 3/27$154
This Priceline deal was found by Cheapflights users on 3/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
SJU
-
BOS
Nonstop4h 16m
Frontier
Mon 4/1312:45 pm
BOS
-
SJU
1 stop11h 40m
Frontier
Deal found 3/25$157
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 5/612:15 am
BQN
-
BOS
1 stop8h 56m
United Airlines
Mon 5/113:32 pm
BOS
-
BQN
1 stop7h 37m
United Airlines
Deal found 3/25$372
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/32:43 am
BQN
-
BOS
1 stop8h 18m
Multiple Airlines
Wed 4/85:49 pm
BOS
-
BQN
2 stops32h 04m
Multiple Airlines
Deal found 3/23$387

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 March 28, 2026.

Round-trip from

$143
(CheapOair)

One-way from

$97
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$269

Good round-trip deal

$209 or less

Good one-way deal

$167 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. 9% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 28, 2026.
Use the filters below to find and compare flights from Puerto Rico to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sun 9/20

1:30 pm-5:35 pm

Nonstop4h 05m

Boston Logan Intl

Fri 9/25

8:15 am-12:20 pm

Nonstop4h 05m

$303

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 6/5

2:00 pm-6:18 pm

Nonstop4h 18m

Boston Logan Intl

Mon 6/8

6:06 am-4:29 pm

1 stop10h 23m

$308

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 6/4

2:00 pm-6:18 pm

Nonstop4h 18m

Boston Logan Intl

Tue 6/9

6:06 am-4:29 pm

1 stop10h 23m

$308

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 6/5

2:00 pm-6:18 pm

Nonstop4h 18m

Boston Logan Intl

Thu 6/11

8:50 am-12:54 pm

Nonstop4h 04m

$350

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 8/20

1:26 pm-5:40 pm

Nonstop4h 14m

Boston Logan Intl

Sun 8/23

8:10 am-12:16 pm

Nonstop4h 06m

$350

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Mon 6/15

2:05 pm-6:14 pm

Nonstop4h 09m

Boston Logan Intl

Tue 6/30

5:30 am-12:54 pm

1 stop7h 24m

$355

AguadillaBoston

BQN - BOS

BQNBOS

Aguadilla Borinquen

Wed 5/6

12:15 am-7:53 am

1 stop7h 38m

Boston Logan Intl

Mon 5/11

3:32 pm-11:09 pm

1 stop7h 37m

$372

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 4/10

8:20 pm-12:24 am

Nonstop4h 04m

Boston Logan Intl

Mon 4/13

6:05 am-3:44 pm

1 stop9h 39m

$372

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 6/3

2:00 pm-6:18 pm

Nonstop4h 18m

Boston Logan Intl

Tue 6/30

8:50 am-12:54 pm

Nonstop4h 04m

$394

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 5/28

2:00 pm-6:18 pm

Nonstop4h 18m

Boston Logan Intl

Sat 5/30

8:50 am-12:49 pm

Nonstop3h 59m

$397

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 58 resultsSorted by cheapest first
1
2
3
...
6

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, December is the cheapest month in which you can book a flight from Puerto Rico to Boston (average of $93). Flying from Puerto Rico to Boston in July is currently the most expensive (average of $144). 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 March 28, 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 at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 17% 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 March 23, 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. Sunday 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 March 28, 2026.

The most flights from PR0 to BOS are scheduled on a Friday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

How often are flights from Puerto Rico to Boston delayed?

About 18% of weekly flights between Puerto Rico and Boston have experienced delays in the past year, with the average delay time being 164 minutes.

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

Historically, flights departing in the morning 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 12% 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 March 28, 2026.
See what other customers who have flown with Delta,JetBlue, andSpirit 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
8,357 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

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
8,357 reviews
Delta
7.9
Good
8,357 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

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
2,909 reviews
Delta
7.9
Good
8,357 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

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
8,552 reviews
Delta
7.9
Good
8,357 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

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
3,013 reviews
Delta
7.9
Good
8,357 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

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?

    Frontier and Spirit Airlines can get you from Puerto Rico to Boston in just under 4h 16m. Your travel time will be generally consistent. Airlines will cover a distance of 1678 mi. Most flights are nonstop.

  • 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 $73. Users have also found prices from $83 and $88 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 Vieques - 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 Frontier (81%), Delta (79%) or Qatar Airways (71%) 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 $476, our data indicates the cheapest price to be $108. The most popular route (San Juan Luis Munoz Marin Intl - Boston Logan Intl), is priced around $109.

  • 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, December is the cheapest month in which you can book a flight from Puerto Rico to Boston (average of $93). Flying from Puerto Rico to Boston in July is currently the most expensive (average of $144). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Seabrook
Cranston
Chelsea
Lincoln
Warwick
Peabody
Waltham
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy
Lowell

Browse thousands of different options on Cheapflights for your next trip

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

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 March 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$86Average$193FlexibilityNo cancel feeOn-time65%
FrontierCheapest$94Average$212FlexibilityNo cancel feeOn-time62%
DeltaCheapest$126Average$279FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$141Average$310FlexibilityNo cancel feeOn-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights