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Flights from Boston to San Juan
Cheap flight deals from Boston to San Juan
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstopBOS 14:423h 54mNonstopSJU 18:36Boston - San Juan | Sun, Jun 15 | Spirit AirlinesSJU 09:304h 7mNonstopBOS 13:37San Juan - Boston | Thu, Jun 19 | Spirit AirlinesRp 2,687,975 Rp 6,648,91160% OFF60% OFFRp 6,648,911 Rp 2,687,975
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BOS 14:423h 54mNonstopSJU 18:36Boston - San Juan | Thu, Jun 12 | Spirit AirlinesSJU 09:304h 7mNonstopBOS 13:37San Juan - Boston | Thu, Jun 19 | Spirit AirlinesRp 2,724,577 Rp 6,648,91159% OFF59% OFFRp 6,648,911 Rp 2,724,577
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BOS 12:204hNonstopSJU 16:20Boston - San Juan | Wed, May 14 | Jetblue AirwaysSJU 19:154h 10mNonstopBOS 23:25San Juan - Boston | Tue, May 20 | Jetblue AirwaysRp 2,795,494 Rp 6,648,91157% OFF57% OFFRp 6,648,911 Rp 2,795,494
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BOS 08:004h 4mNonstopSJU 12:04Boston - San Juan | Sun, May 11 | Jetblue AirwaysSJU 19:154h 10mNonstopBOS 23:25San Juan - Boston | Sun, May 11 | Jetblue AirwaysRp 2,800,07057% OFFRp 6,648,911 Rp 2,800,070
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BOS 14:004hNonstopSJU 18:00Boston - San Juan | Fri, May 9 | Jetblue AirwaysSJU 06:054h 10mNonstopBOS 10:15San Juan - Boston | Fri, May 16 | Jetblue AirwaysRp 2,816,08357% OFFRp 6,648,911 Rp 2,816,083
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BOS 14:004hNonstopSJU 18:00Boston - San Juan | Sat, May 10 | Jetblue AirwaysSJU 06:304h 13mNonstopBOS 10:43San Juan - Boston | Thu, May 15 | Frontier AirlinesRp 2,834,38456% OFFRp 6,648,911 Rp 2,834,384
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BOS 11:434h 1mNonstopSJU 15:44Boston - San Juan | Sun, May 11 | Frontier AirlinesSJU 06:304h 13mNonstopBOS 10:43San Juan - Boston | Thu, May 15 | Frontier AirlinesRp 4,556,97631% OFFRp 6,648,911 Rp 4,556,976
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BOS 21:204hNonstopSJU 01:20Boston - San Juan | Thu, May 8 | Jetblue AirwaysSJU 06:304h 13mNonstopBOS 10:43San Juan - Boston | Thu, May 15 | Frontier AirlinesRp 6,183,4877% OFFRp 6,648,911 Rp 6,183,487
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BOS 10:048h 43m1 stopsSJU 18:47Boston - San Juan | Thu, May 8 | Frontier AirlinesSJU 06:304h 13mNonstopBOS 10:43San Juan - Boston | Thu, May 15 | Frontier AirlinesRp 1,798,08473% OFFRp 6,648,911 Rp 1,798,084
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BOS 06:0020h 51m1 stopsSJU 02:51Boston - San Juan | Sat, May 10 | Frontier AirlinesSJU 06:304h 13mNonstopBOS 10:43San Juan - Boston | Thu, May 15 | Frontier AirlinesRp 2,703,98959% OFFRp 6,648,911 Rp 2,703,989
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BOS 13:0017h 25m1 stopsSJU Invalid DateBoston - San Juan | Sat, May 10 | Normal AirlineSJU 15:006hNonstopBOS 16:00San Juan - Boston | Mon, May 12 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstopBOS 14:004hNonstopSJU 18:00Boston - San Juan | Tue, May 13 | Jetblue AirwaysRp 1,454,938 Rp 3,274,02956% OFF56% OFFRp 3,274,029 Rp 1,454,938
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BOS 14:423h 54mNonstopSJU 18:36Boston - San Juan | Sun, Jun 15 | Spirit AirlinesRp 1,665,401 Rp 3,274,02949% OFF49% OFFRp 3,274,029 Rp 1,665,401
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BOS 11:434h 1mNonstopSJU 15:44Boston - San Juan | Thu, May 15 | Frontier AirlinesRp 2,141,230 Rp 3,274,02935% OFF35% OFFRp 3,274,029 Rp 2,141,230
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BOS 11:434h 1mNonstopSJU 15:44Boston - San Juan | Sun, May 11 | Frontier AirlinesRp 2,463,78725% OFFRp 3,274,029 Rp 2,463,787
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BOS 19:554h 2mNonstopSJU 23:57Boston - San Juan | Wed, May 14 | Jetblue AirwaysRp 2,877,84912% OFFRp 3,274,029 Rp 2,877,849
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BOS 21:204hNonstopSJU 01:20Boston - San Juan | Thu, May 15 | Jetblue AirwaysRp 3,044,8477% OFFRp 3,274,029 Rp 3,044,847
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BOS 10:048h 43m1 stopsSJU 18:47Boston - San Juan | Thu, May 8 | Frontier AirlinesRp 1,004,27369% OFFRp 3,274,029 Rp 1,004,273
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BOS 06:0013h 29m1 stopsSJU 19:29Boston - San Juan | Sat, May 17 | Frontier AirlinesRp 1,011,13669% OFFRp 3,274,029 Rp 1,011,136
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BOS 20:1414h 25m1 stopsSJU 10:39Boston - San Juan | Sat, Jun 21 | Spirit AirlinesRp 1,422,91156% OFFRp 3,274,029 Rp 1,422,911
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BOS 06:1012h 57m1 stopsSJU 19:07Boston - San Juan | Mon, Jun 9 | Spirit AirlinesRp 1,454,93856% OFFRp 3,274,029 Rp 1,454,938
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BOS 13:0017h 25m1 stopsSJU Invalid DateBoston - San Juan | Sat, May 10 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Frequently Asked Questions
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When are flight tickets from Boston (BOS) to San Juan (SJU) the cheapest?
Airlines adjust prices for flights from Boston to San Juan based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Boston (BOS) to San Juan (SJU) cost?
According to Trip.com's data, the lowest price is around Rp 5,513,208. -
How long does it take to fly from Boston (BOS) to San Juan (SJU) and what is the distance?
It takes around 4 hours 2 minutes to fly from Boston (BOS) to San Juan (SJU). -
What are the most popular airlines that fly from Boston (BOS) to San Juan (SJU)?
Airlines with flights from Boston (BOS) to San Juan (SJU): Etihad Airways, Frontier Airlines, Hawaiian Airlines, Jetblue Airways, Icelandair, Delta Air Lines, El Al, TAP Air Portugal, Qatar Airways and Aer Lingus.
How to find a cheap flight from Boston to San Juan
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Boston to San Juan. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest Boston to San Juan ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Boston to San Juan for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is Rp 1454938 for a one-way ticket on Tue, May 13.
Compare cheap Boston to San Juan flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Boston to San Juan. The most affordable airline currently operating on this route is Jetblue Airways.
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Boston to San Juan route to track ticket prices effortlessly—no need to check manually every day.
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Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Boston to San Juan to access exclusive deals just for you.
Flight Info | Boston to San Juan
Cheapest one-way flight price | Rp 1,004,273 |
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Cheapest round-trip ticket price | Rp 1,798,083 |
Off-season for travel | March |
Peak season for travel | June |
Flight distance | 2,701.02 km |
Average flight time | 4 hours 2 minutes |
Popular airline | Jetblue Airways |
Plan Your Trip Around San Juan
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