Boston

$162+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BOS
Jul 28 — Aug 41
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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 June 28, 2026.

This SmartFares deal was found by Cheapflights users on 6/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:54 pm
SJU
-
BOS
Nonstop4h 05m
JetBlue
Mon 8/177:50 pm
BOS
-
SJU
Nonstop4h 04m
JetBlue
Deal found 6/23$308
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 9/186:00 am
SJU
-
BOS
Nonstop4h 03m
JetBlue
Sun 9/207:20 pm
BOS
-
SJU
Nonstop4h 38m
JetBlue
Deal found 6/24$315
This Faresmojo deal was found by Cheapflights users on 6/24. 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.
Tue 8/252:30 pm
SJU
-
BOS
Nonstop4h 10m
JetBlue
Sat 8/299:10 am
BOS
-
SJU
Nonstop4h 01m
JetBlue
Deal found 6/24$318
This American Airlines deal was found by Cheapflights users on 6/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:33 pm
SJU
-
BOS
1 stop8h 17m
American Airlines
Sat 9/59:10 am
BOS
-
SJU
2 stops9h 20m
American Airlines
Deal found 6/26$321
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:10 pm
SJU
-
BOS
Nonstop4h 13m
Delta
Sat 10/38:55 am
BOS
-
SJU
Nonstop4h 02m
Delta
Deal found 6/23$323
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 9/187:35 pm
SJU
-
BOS
Nonstop4h 08m
JetBlue
Wed 9/237:00 am
BOS
-
SJU
1 stop9h 51m
JetBlue
Deal found 6/24$325
This SmartFares deal was found by Cheapflights users on 6/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
SJU
-
BOS
1 stop9h 27m
JetBlue
Wed 9/167:00 am
BOS
-
SJU
1 stop9h 51m
JetBlue
Deal found 6/25$327
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:16 pm
SJU
-
BOS
1 stop9h 54m
Delta
Mon 9/148:55 am
BOS
-
SJU
Nonstop4h 02m
Delta
Deal found 6/23$328
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:16 pm
SJU
-
BOS
1 stop9h 54m
Delta
Wed 9/166:50 am
BOS
-
SJU
1 stop9h 59m
Delta
Deal found 6/26$332
This CheapOair deal was found by Cheapflights users on 6/26. 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.
Fri 9/48:55 pm
SJU
-
BOS
1 stop12h 44m
JetBlue
Sun 9/69:59 am
BOS
-
SJU
Nonstop4h 01m
JetBlue
Deal found 6/26$333
This Frontier deal was found by Cheapflights users on 6/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:58 am
SJU
-
BOS
1 stop7h 11m
Frontier
Wed 10/2111:05 am
BOS
-
SJU
1 stop9h 39m
Frontier
Deal found 6/28$336
This Kiwi.com deal was found by Cheapflights users on 6/25. 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.
Fri 8/73:10 am
BQN
-
BOS
1 stop29h 59m
Frontier
Fri 8/2110:04 am
BOS
-
BQN
1 stop16h 06m
Frontier
Deal found 6/25$366

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 June 28, 2026.

Round-trip from

$308
(SmartFares)

One-way from

$162
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$403

Good round-trip deal

$370 or less

Good one-way deal

$212 or less
From Puerto Rico to Boston Logan Intl
One-way flight from Puerto Rico to Boston Logan Intl
Highest demand for flights based on searches. 19% potential increase in price ($70 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Puerto Rico to Boston Logan Intl.
Price to beat on a one-way flight from Puerto Rico to Boston Logan Intl.

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 June 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

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 11/6

3:06 pm-6:19 pm

Nonstop4h 13m

Boston Logan Intl

Tue 11/10

8:13 am-1:20 pm

Nonstop4h 07m

$323
Quickest round-trip

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 9/24

2:10 pm-6:23 pm

Nonstop4h 13m

Boston Logan Intl

Sat 10/3

8:55 am-12:57 pm

Nonstop4h 02m

$323

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sat 10/10

2:06 pm-6:11 pm

Nonstop4h 05m

Boston Logan Intl

Sat 10/17

5:30 am-1:00 pm

1 stop7h 30m

$328

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sat 10/24

5:43 pm-12:58 am

1 stop7h 15m

Boston Logan Intl

Mon 10/26

8:55 am-1:01 pm

Nonstop4h 06m

$328

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Mon 10/5

1:16 pm-11:10 pm

1 stop9h 54m

Boston Logan Intl

Sat 10/10

8:55 am-1:01 pm

Nonstop4h 06m

$328

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 9/24

7:30 am-2:42 pm

1 stop7h 12m

Boston Logan Intl

Sun 9/27

8:55 am-12:57 pm

Nonstop4h 02m

$328

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sun 9/6

7:30 am-4:13 pm

1 stop8h 43m

Boston Logan Intl

Wed 9/16

8:55 am-12:57 pm

Nonstop4h 02m

$328

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 8/5

5:49 pm-1:25 am

1 stop7h 36m

Boston Logan Intl

Wed 8/12

12:20 pm-10:29 pm

1 stop10h 09m

$332

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 8/18

5:49 pm-1:25 am

1 stop7h 36m

Boston Logan Intl

Wed 8/26

6:50 am-4:38 pm

1 stop9h 48m

$332

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 10/6

1:00 am-10:32 am

2 stops9h 32m

Boston Logan Intl

Wed 10/14

6:00 am-1:45 pm

1 stop7h 45m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Showing 1-10 of 44 resultsSorted by cheapest first
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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 $55). Flying from Puerto Rico to Boston in December is currently the most expensive (average of $572). 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 June 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 evening could potentially save you up to 23% on airfare.

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 June 28, 2026.

The most flights from PR0 to BOS are scheduled on a Saturday (17 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

How often are flights from Puerto Rico to Boston delayed?

About 19% 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 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 13% of flights being delayed.

How far ahead should I book a flight from Puerto Rico to Boston?

The best time to book flights from Puerto Rico to Boston is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 June 27, 2026.

Travelers seeking maximum savings on their Puerto Rico to Boston flight should consider departing on Tuesday 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.

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 June 28, 2026.
See what other customers who have flown with Delta,United Airlines, andJetBlue 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.

Overall

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Overall

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Overall

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Overall

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Overall

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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?

    Delta, Frontier, and JetBlue can get you from Puerto Rico to Boston in just under 4h 13m. Your travel time can differ by up to 18h 24m. 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 Frontier. According to our data, you can fly for as low as $80. Users have also found prices from $88 and $101 on American Airlines and JetBlue, respectively.

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

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

    Consider Japan Airlines (91%), TAP AIR PORTUGAL (83%) or Aer Lingus (82%) 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 $355, our data indicates the cheapest price to be $162. The most popular route (San Juan Luis Munoz Marin Intl - Boston Logan Intl), is priced around $308.

  • 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 $55). Flying from Puerto Rico to Boston in December is currently the most expensive (average of $572). 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
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Cambridge
Concord
Brockton
Watertown
Hampton Beach
Seekonk
Cranston
Warwick
Peabody
Auburn
Fitchburg
York Beach
Chelsea
Londonderry
Dedham
Swansea
Lowell
Smithfield
Braintree

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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 June 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$95Average$212FlexibilityNo cancel feeOn-time62%
DeltaCheapest$128Average$310FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$153Average$439FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$211Average$452FlexibilityNo cancel feeOn-time69%

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