Cheap flight from Boston to San Juan from $147
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
Swipe up to view more
>
>
>
>
Flights from Boston to San Juan
Find cheap airlines flights from Boston to San Juan
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
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.
-
Round-trip
-
One way
-
-
Cheapest nonstop
BOS 2:42 PM3h 54mNonstopSJU 6:36 PMBoston - San Juan | Sun, Jun 15 | Spirit Airlines
SJU 9:30 AM4h 7mNonstopBOS 1:37 PMSan Juan - Boston | Thu, Jun 19 | Spirit Airlines$147 $30051% OFF51% OFF$300 $147 -
BOS 2:42 PM3h 54mNonstopSJU 6:36 PMBoston - San Juan | Thu, Jun 26 | Spirit Airlines
SJU 9:30 AM4h 7mNonstopBOS 1:37 PMSan Juan - Boston | Thu, Jul 3 | Spirit Airlines$157 $30048% OFF48% OFF$300 $157
-
BOS 10:18 AM4h 5mNonstopSJU 2:23 PMBoston - San Juan | Sun, Jul 13 | Spirit Airlines
SJU 3:28 PM4h 17mNonstopBOS 7:45 PMSan Juan - Boston | Thu, Jul 17 | Spirit Airlines$195 $30035% OFF35% OFF$300 $195
-
BOS 2:42 PM3h 54mNonstopSJU 6:36 PMBoston - San Juan | Sun, Jun 29 | Spirit Airlines
SJU 9:30 AM4h 7mNonstopBOS 1:37 PMSan Juan - Boston | Thu, Jul 3 | Spirit Airlines$22824% OFF$300 $228
-
BOS 2:42 PM3h 54mNonstopSJU 6:36 PMBoston - San Juan | Sun, Jul 6 | Spirit Airlines
SJU 1:07 PM9h 56m1 stopsBOS 11:03 PMSan Juan - Boston | Wed, Jul 9 | Spirit Airlines$16146% OFF$300 $161
-
BOS 6:15 AM13h 4m1 stopsSJU 7:19 PMBoston - San Juan | Tue, Jul 8 | Spirit Airlines
SJU 3:13 PM4h 17mNonstopBOS 7:30 PMSan Juan - Boston | Thu, Jul 10 | Spirit Airlines$16346% OFF$300 $163
-
BOS 12:57 PM27h 10m1 stopsSJU 4:07 PMBoston - San Juan | Thu, Jul 10 | Frontier Airlines
SJU 3:28 PM4h 17mNonstopBOS 7:45 PMSan Juan - Boston | Thu, Jul 17 | Spirit Airlines$17043% OFF$300 $170 -
BOS 8:39 PM13h 27m1 stopsSJU 10:06 AMBoston - San Juan | Mon, Jul 14 | Spirit Airlines
SJU 2:15 AM9h 16m1 stopsBOS 11:31 AMSan Juan - Boston | Thu, Jul 17 | Spirit Airlines$17542% OFF$300 $175
-
BOS 8:50 PM15h 30m1 stopsSJU 12:20 PMBoston - San Juan | Mon, Jul 21 | Spirit Airlines
SJU 3:28 PM4h 17mNonstopBOS 7:45 PMSan Juan - Boston | Thu, Jul 24 | Spirit Airlines$18140% OFF$300 $181
-
BOS 6:15 AM13h 4m1 stopsSJU 7:19 PMBoston - San Juan | Mon, Jun 30 | Spirit Airlines
SJU 9:30 AM4h 7mNonstopBOS 1:37 PMSan Juan - Boston | Thu, Jul 3 | Spirit Airlines$18239% OFF$300 $182
-
BOS 1:00 PM17h 25m1 stopsSJU Invalid DateBoston - San Juan | Tue, Jun 17 | Normal Airline
SJU 3:00 PM6hNonstopBOS 4:00 PMSan Juan - Boston | Thu, Jun 19 | Normal AirlineFind More FlightsFind More Flights
-
Cheapest nonstop
BOS 2:42 PM3h 54mNonstopSJU 6:36 PMBoston - San Juan | Sun, Jul 6 | Spirit Airlines$78 $35878% OFF78% OFF$358 $78
-
BOS 10:03 AM4h 5mNonstopSJU 2:08 PMBoston - San Juan | Sun, Jul 27 | Spirit Airlines$81 $35877% OFF77% OFF$358 $81
-
BOS 10:03 AM4h 5mNonstopSJU 2:08 PMBoston - San Juan | Sun, Aug 10 | Spirit Airlines$82 $35877% OFF77% OFF$358 $82
-
BOS 10:18 AM4h 5mNonstopSJU 2:23 PMBoston - San Juan | Sun, Jul 20 | Spirit Airlines$11069% OFF$358 $110
-
BOS 10:18 AM4h 5mNonstopSJU 2:23 PMBoston - San Juan | Thu, Jul 10 | Spirit Airlines$17551% OFF$358 $175
-
BOS 2:42 PM3h 54mNonstopSJU 6:36 PMBoston - San Juan | Sun, Jun 15 | Spirit Airlines$20144% OFF$358 $201
-
BOS 8:14 PM14h 25m1 stopsSJU 10:39 AMBoston - San Juan | Sat, Jun 21 | Spirit Airlines$8776% OFF$358 $87
-
BOS 8:39 PM13h 27m1 stopsSJU 10:06 AMBoston - San Juan | Sat, Jul 12 | Spirit Airlines$9274% OFF$358 $92
-
BOS 6:15 AM13h 4m1 stopsSJU 7:19 PMBoston - San Juan | Tue, Jul 8 | Spirit Airlines$14959% OFF$358 $149
-
BOS 6:15 AM13h 4m1 stopsSJU 7:19 PMBoston - San Juan | Mon, Jun 16 | Spirit Airlines$27224% OFF$358 $272
-
BOS 1:00 PM17h 25m1 stopsSJU Invalid DateBoston - San Juan | Tue, Jun 17 | Normal AirlineFind More FlightsFind More Flights
-
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Info | Boston to San Juan
| Cheapest one-way flight price | $77 |
|---|---|
| Cheapest round-trip ticket price | $146 |
| Off-season for travel | April |
| Peak season for travel | June |
| Flight distance | 2,701.02 km |
| Average flight time | 4 hours 6 minutes |
| Popular airline | Jetblue Airways |
When is the cheapest time to fly from Boston to San Juan?
We monitor flight fares to help you find the best deals effortlessly
Cheapest flights
From price
Search
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
-
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 $335. -
How long does it take to fly from Boston (BOS) to San Juan (SJU) and what is the distance?
It takes around 4 hours 6 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, TAP Air Portugal, Hawaiian Airlines, Jetblue Airways, Icelandair, Delta Air Lines, Spirit Airlines and El Al.
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 $78 for a one-way ticket on Sun, Jul 6.
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 Spirit Airlines.
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.
Don't miss out on cheap Boston to San Juan flight deals and promo codes.
Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.
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.
More Travel Options
-
Top Routes from Boston
-
Top Routes to San Juan
-
Popular Airlines
- Flights from Boston to Orlando
- Flights from Boston to Toronto
- Return flights from Boston to Atlanta
- Return flights from Boston to Chicago
- Return flights from Boston to Los Angeles
- Flights from Boston to Seattle
- Flights from Boston to Miami
- Return flights from Boston to San Francisco
- Flights from Boston to Cairo
- Return flights from Boston to New York
- Flights from Santo Domingo to San Juan
- Flights from Hartford to San Juan
- Flights from Orlando to San Juan
- Cheap flights from Boston to San Juan
- Flights from Miami to San Juan
- Cheap flights from New York to San Juan
- Flights from Tampa to San Juan
- Flights from Philadelphia to San Juan
- Return flights from Washington D.C. to San Juan
- Return flights from Fort Lauderdale to San Juan