San Juan

$71+ Cheap flights from Boston (BOS) to San Juan

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJU
Nov 26 — Dec 31
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The best prices from Boston Logan Intl to San Juan are usually found in September or August, booked 30 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from Boston to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San Juan (PR1). 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 November 21, 2024.

Popular in

December

Cheapest in

September

Round-trip from

$103
(Frontier)

One-way from

$71
(Cheapflightsfares)
High demand for flights, 36% potential price rise
Best time to find cheap flights, 44% potential price drop
From Boston Logan Intl to San Juan
One-way flight from Boston Logan Intl to San Juan

Find flight deals from Boston to San Juan

Cheapest flights from Boston to San Juan
Explore the most affordable flight options available from Boston to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 11/20. 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 12/89:52 amBOS - SJU
Nonstop4h 05mFrontier
Thu 12/125:05 pmSJU - BOS
1 stop8h 25mFrontier
Deal found 11/20$104
This eDestinos deal was found by Cheapflights users on 11/19. 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.
Sun 12/85:00 amBOS - SJU
1 stop14h 22mSpirit Airlines
Tue 12/109:13 pmSJU - BOS
1 stop13h 01mSpirit Airlines
Deal found 11/19$109
This Kiwi.com deal was found by Cheapflights users on 11/20. 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.
Sun 12/89:52 amBOS - SJU
Nonstop4h 05mMultiple Airlines
Fri 12/139:13 pmSJU - BOS
1 stop13h 01mMultiple Airlines
Deal found 11/20$112
This JetBlue deal was found by Cheapflights users on 11/20. 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 12/3110:50 pmBOS - SJU
Nonstop3h 58mJetBlue
Fri 1/175:00 amSJU - BOS
Nonstop4h 17mJetBlue
Deal found 11/20$195
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Mon 11/256:00 amBOS - SJU
2 stops8h 43mAmerican Airlines
Sat 12/76:30 amSJU - BOS
1 stop14h 52mAmerican Airlines
Deal found 11/20$200
This Delta deal was found by Cheapflights users on 11/21. 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.
Tue 12/108:10 amBOS - SJU
Nonstop4h 08mDelta
Tue 12/172:13 pmSJU - BOS
Nonstop4h 27mDelta
Deal found 11/21$213
This United Airlines deal was found by Cheapflights users on 11/21. 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.
Mon 11/258:45 amBOS - SJU
2 stops11h 10mUnited Airlines
Wed 11/272:05 amSJU - BOS
1 stop6h 38mUnited Airlines
Deal found 11/21$214

Find flights from Boston to San Juan within your budget

Customize your flight search to find flights from Boston to San Juan 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 2/3

10:03 am-3:07 pm

Nonstop4h 04m

San Juan Luis Munoz Marin Intl

Tue 2/11

5:07 pm-12:39 am

1 stop8h 32m

$104

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 12/9

9:51 am-2:56 pm

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Tue 12/17

5:10 am-1:23 pm

1 stop9h 13m

$109

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 2/5

10:00 am-7:48 pm

1 stop8h 48m

San Juan Luis Munoz Marin Intl

Sun 2/9

4:50 pm-11:22 pm

1 stop7h 32m

$124

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 12/10

8:10 am-1:18 pm

Nonstop4h 08m

San Juan Luis Munoz Marin Intl

Mon 12/16

2:13 pm-5:40 pm

Nonstop4h 27m

$205

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Thu 1/9

10:30 pm-3:25 am

Nonstop3h 55m

San Juan Luis Munoz Marin Intl

Fri 1/17

8:00 am-11:14 am

Nonstop4h 14m

$213

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 12/7

3:57 pm-12:36 am

1 stop7h 39m

San Juan Luis Munoz Marin Intl

Mon 12/16

2:05 am-2:02 pm

2 stops12h 57m

$222

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 12/6

9:51 am-2:56 pm

Nonstop4h 05m

$71

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 12/28

12:43 pm-5:53 pm

Nonstop4h 10m

$80

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 11/26

8:10 am-1:15 pm

Nonstop4h 05m

$103

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 11/26

6:49 am-5:15 pm

1 stop9h 26m

$107

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 14 results
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Best time to book a flight from Boston to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan 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.

Travel insights for flights from Boston to San Juan

Get recent, data-driven insights about flights from Boston to San Juan including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Boston to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Boston to San Juan. Price data was last updated on November 15, 2024.

The best time to book flights from Boston to San Juan is 15 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 month to book a flight from Boston to San Juan?

Currently, September is the cheapest month in which you can book a flight from Boston to San Juan (average of $254). Flying from Boston to San Juan in March is currently the most expensive (average of $335). 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 San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

A simple way to save on the total cost of your ticket is to fly from Boston to San Juan at noon. If you’re flexible enough to do this you can expect to save up to 4% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Boston to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Boston to San Juan. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Boston to San Juan flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to San Juan

Explore weekly flight availability from Boston to San Juan. 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 November 21, 2024.

The most flights from BOS to PR1 are scheduled on a Thursday (21 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated November 21, 2024.
Read reviews from past customers who have flown Frontier, Spirit Airlines and JetBlue from Boston to San Juan. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,755 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good
8,755 reviews
8.0
Very good
8,755 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.5
Good
3,389 reviews
8.0
Very good
8,755 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.4
Good
9,172 reviews
8.0
Very good
8,755 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.2
Good
10,000 reviews
8.0
Very good
8,755 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

6.3
Okay
8,169 reviews
8.0
Very good
8,755 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Boston to San Juan. 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?

    If you book a flight to San Juan from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston. There are 13 flights from Logan Intl to San Juan per day from 7 different airlines.

  • What are the cheapest airlines flying from Boston to San Juan round-trip?

    According to our current data, Frontier ($103), Spirit Airlines ($124), and JetBlue ($205) offers the cheapest pricing from Boston to San Juan. You may be able to fly from Boston to San Juan for 63% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Boston to San Juan one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $71. However, be on the lookout for offers from Spirit Airlines and JetBlue, as they are both options that can get you from Boston to San Juan for a low price.

  • What are the most reliable airlines from Boston to San Juan?

    The top 3 most reliable airlines when flying from Boston to San Juan are TAP AIR PORTUGAL (97%), Aer Lingus (95%) and Delta (93%).

  • What are the cheapest flights from Boston to San Juan?

    The cheapest flight price from Boston to San Juan is $72. On average you can expect to pay $587. The most popular route, (Boston Logan Intl - San Juan Luis Munoz Marin Intl), can usually be booked for $100.

  • Where are the most common layover locations when flying from Boston to San Juan?

  • What are some popular things to do or see while on a layover in Orlando?

    The majority of Orlando visitors spend their time at Walt Disney World Resort, Universal Orlando Resort, and International Drive. Walt Disney World Resort, Universal Orlando Resort, and International Drive can be visited by traveling about 16.2 mi, 10.3 mi, and 9.9 mi respectively from Orlando. Those landing in Orlando looking to spend some time exploring during their layover can rent a car for about $31 per day.

  • Where are the least popular layover locations for Boston to San Juan flights?

  • Can I find deals for flights from Boston to San Juan that include hotel bookings?

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

  • How can I find direct flights from Boston to San Juan?

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

  • Can I find deals for business class flights from Boston to San Juan?

    Yes. Cheapflights offers flight deals from Boston to San Juan 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?

    Currently, September is the cheapest month in which you can book a flight from Boston to San Juan (average of $254). Flying from Boston to San Juan in March is currently the most expensive (average of $335). 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 7 airlines flying from Boston to San Juan

Discover the top 7 airlines that operate flights from Boston to San Juan. 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$72Average$188FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$100Average$317FlexibilityNo cancel feeOn-time65%
DeltaCheapest$146Average$345FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$147Average$528FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$244Average$473FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$312Average$635FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$572Average$780FlexibilityNo cancel feeOn-time63%
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