Cheap Flights from San Juan to Boston
We've found these cheap flights for you. You can book one-way or return flight tickets.
Swipe up to view more
Flight deals from San Juan to Boston
We've found these cheap flights for you. You can book one-way or return flight tickets.
-
Round-trip
-
One way
-
-
Cheapest nonstop
SJU 06:004h 16mNonstopBOS 10:16San Juan - Boston | Fri, Apr 4 | Frontier Airlines
BOS 11:163h 56mNonstopSJU 15:12Boston - San Juan | Mon, Apr 7 | Frontier Airlines£75 £15050% OFF50% OFF£150 £75 -
SJU 06:004h 22mNonstopBOS 10:22San Juan - Boston | Sat, Mar 29 | Frontier Airlines
BOS 11:163h 56mNonstopSJU 15:12Boston - San Juan | Wed, Apr 2 | Frontier Airlines£78 £15048% OFF48% OFF£150 £78
-
SJU 06:004h 16mNonstopBOS 10:16San Juan - Boston | Wed, Apr 2 | Frontier Airlines
BOS 11:163h 56mNonstopSJU 15:12Boston - San Juan | Wed, Apr 9 | Frontier Airlines£82 £15046% OFF46% OFF£150 £82
-
SJU 06:004h 16mNonstopBOS 10:16San Juan - Boston | Sat, Apr 5 | Frontier Airlines
BOS 11:163h 56mNonstopSJU 15:12Boston - San Juan | Mon, Apr 7 | Frontier Airlines£10034% OFF£150 £100
-
SJU 06:004h 22mNonstopBOS 10:22San Juan - Boston | Fri, Mar 28 | Frontier Airlines
BOS 11:223h 52mNonstopSJU 15:14Boston - San Juan | Mon, Mar 31 | Frontier Airlines£10133% OFF£150 £101
-
SJU 06:304h 13mNonstopBOS 10:43San Juan - Boston | Thu, May 8 | Frontier Airlines
BOS 11:434h 1mNonstopSJU 15:44Boston - San Juan | Sun, May 11 | Frontier Airlines£10133% OFF£150 £101
-
SJU 06:304h 13mNonstopBOS 10:43San Juan - Boston | Sun, May 11 | Frontier Airlines
BOS 11:434h 1mNonstopSJU 15:44Boston - San Juan | Sun, May 18 | Frontier Airlines£10728% OFF£150 £107
-
SJU 06:304h 13mNonstopBOS 10:43San Juan - Boston | Thu, May 1 | Frontier Airlines
BOS 10:048h 43m1 stopsSJU 18:47Boston - San Juan | Thu, May 8 | Frontier Airlines£8444% OFF£150 £84
-
SJU 00:597h 49m1 stopsBOS 08:48San Juan - Boston | Thu, Apr 10 | Frontier Airlines
BOS 11:4529h 58m1 stopsSJU 17:43Boston - San Juan | Tue, Apr 15 | Frontier Airlines£9537% OFF£150 £95
-
SJU 03:5620h 48m1 stopsBOS 00:44San Juan - Boston | Mon, May 5 | Frontier Airlines
BOS 11:434h 1mNonstopSJU 15:44Boston - San Juan | Sun, May 11 | Frontier Airlines£11027% OFF£150 £110
-
SJU 13:0017h 25m1 stopsBOS Invalid DateSan Juan - Boston | Sun, Mar 30 | Normal Airline
BOS 15:006hNonstopSJU 16:00Boston - San Juan | Tue, Apr 1 | Normal AirlineFind More FlightsFind More Flights
-
Cheapest nonstop
SJU 06:004h 16mNonstopBOS 10:16San Juan - Boston | Wed, Apr 9 | Frontier Airlines£38 £10463% OFF63% OFF£104 £38
-
SJU 06:004h 16mNonstopBOS 10:16San Juan - Boston | Fri, Apr 11 | Frontier Airlines£39 £10463% OFF63% OFF£104 £39
-
SJU 06:304h 13mNonstopBOS 10:43San Juan - Boston | Thu, May 1 | Frontier Airlines£39 £10463% OFF63% OFF£104 £39
-
SJU 06:204h 16mNonstopBOS 10:36San Juan - Boston | Tue, Apr 22 | Frontier Airlines£4062% OFF£104 £40
-
SJU 06:004h 16mNonstopBOS 10:16San Juan - Boston | Wed, Apr 2 | Frontier Airlines£4457% OFF£104 £44
-
SJU 06:304h 13mNonstopBOS 10:43San Juan - Boston | Thu, May 8 | Frontier Airlines£4656% OFF£104 £46
-
SJU 06:304h 13mNonstopBOS 10:43San Juan - Boston | Tue, May 20 | Frontier Airlines£4755% OFF£104 £47
-
SJU 06:004h 16mNonstopBOS 10:16San Juan - Boston | Wed, Apr 16 | Frontier Airlines£4854% OFF£104 £48
-
SJU 06:304h 13mNonstopBOS 10:43San Juan - Boston | Tue, May 6 | Frontier Airlines£4953% OFF£104 £49
-
SJU 06:004h 16mNonstopBOS 10:16San Juan - Boston | Mon, Apr 14 | Frontier Airlines£7627% OFF£104 £76
-
SJU 13:0017h 25m1 stopsBOS Invalid DateSan Juan - Boston | Sun, Mar 30 | Normal AirlineFind More FlightsFind More Flights
-
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Find the best time to fly from San Juan to Boston
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.
Airlines Flying from San Juan to Boston
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
FAQ
-
When are flight tickets from San Juan (SJU) to Boston (BOS) the cheapest?
Airlines adjust prices for flights from San Juan to Boston based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much are flights from San Juan (SJU) to Boston (BOS) cost?
According to Trip.com's data, the lowest price is around £208. -
How long is the flight from San Juan (SJU) to Boston (BOS)?
It takes about 4 hours 7 minutes to fly from San Juan (SJU) to Boston (BOS). -
What are the most popular airlines that fly from San Juan (SJU) to Boston (BOS)?
Airlines with flights from San Juan (SJU) to Boston (BOS): Jetblue Airways, Qatar Airways, Etihad Airways, Delta Air Lines, Frontier Airlines, KLM, El Al, Aer Lingus, Hawaiian Airlines, Japan Airlines, TAP Air Portugal and Icelandair. -
What's the most popular airline for direct flights from San Juan (SJU) to Boston (BOS)?
Spirit Airlines operates 1 direct flights from San Juan (SJU) to Boston (BOS). -
How many airports in Boston (BOS)?
There are 3 airport(s) in Boston (BOS): Hartford Barnes Airport, General Edward Lawrence Logan International Airport and Portsmouth International Airport.
How to find a cheap flight from San Juan to Boston
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 San Juan to Boston. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest flight from San Juan to Boston.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from San Juan to Boston over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Wed, Apr 9, with one-way flights priced at just £38.
Compare cheap flight deals from San Juan to Boston across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from San Juan to Boston. The cheapest airline for this route is Frontier Airlines.
Set up a Price Alert
By setting up a Price Alert for your journey from San Juan to Boston, you can easily keep an eye on ticket prices without having to check every day.
Don't miss out on cheap flight deals and promo codes from San Juan to Boston.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from San Juan to Boston and snag some exclusive deals just for you.
Flight Information from San Juan to Boston
| Cheapest one-way flight price | £38 |
|---|---|
| Cheapest return ticket price | £75 |
| Off-season travel month | April |
| Peak season for travel | December |
| Flight distance | 2,701.02km |
| Average flight time | 4 hours 7 minutes |
| Popular airline | Jetblue Airways |
Plan Your Trip Around Boston
More Travel Options
-
Top Routes from San Juan
-
Top Routes to Boston
-
Popular Airlines