Cheap flights from Boston, MA to San Juan, undefined
Flights starting at $71. Choose between Spirit Airlines, JetBlue Airways, or Frontier Airlines to find the best price.
Kiwi-Code uncovers prices airlines don't want you to see.
Use our flexible filters to tailor your search.
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to San Juan
Search by stops
Search by carrier
Search by price
Search by departure date
Round trips
Updated:
One-way trips
Updated:

By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Weekly direct flights
Mondays | Tuesdays | Wednesdays | Thursdays | Fridays | Saturdays | Sundays | |
---|---|---|---|---|---|---|---|
Direct flights | 4 | 3 | 4 | 5 | 4 | 4 | 4 |
JetBlue Airways on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Delta Air Lines on Mondays, Thursdays, Fridays, Saturdays, and Sundays.
Spirit Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Check-in for a flight from Boston to San Juan
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
JetBlue Airways | JBU | B6 | Yes | Opens 24 days before flight Closes 2 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Delta Air Lines | DAL | DL | Yes | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
United States COVID-19 travel restrictions

Most travelers from Boston, BOS can enter Puerto Rico, but there are restrictions.
Departure
Travel restrictions |
|
---|---|
Forms and documents |
|
Additional information |
|
Return
Travel restrictions |
|
---|---|
Forms and documents |
|
Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Boston
- Flights from Boston to London
- Flights from Boston to Paris
- Flights from Boston to Orlando
- Flights from Boston to Barcelona
- Flights from Boston to Rome
- Flights from Boston to Madrid
- Flights from Boston to Dublin
- Flights from Boston to Athens
- Flights from Boston to Lisbon
- Flights from Boston to Denver
- Flights from Boston to Prague
- Flights from Boston to Miami
- Flights from Boston to Vienna
- Flights from Boston to Amsterdam
- Flights from Boston to Milan
- Flights from Boston to Munich
- Flights from Boston to Fort Lauderdale
- Flights from Boston to Berlin
- Flights from Boston to Istanbul
- Flights from Boston to Raleigh
Flights to San Juan
- Flights from Orlando to San Juan
- Flights from Philadelphia to San Juan
- Flights from New York to San Juan
- Flights from Atlanta to San Juan
- Flights from Chicago to San Juan
- Flights from Denver to San Juan
- Flights from Raleigh to San Juan
- Flights from Cincinnati to San Juan
- Flights from Saint Croix to San Juan
- Flights from Minneapolis to San Juan
- Flights from Charlotte to San Juan
- Flights from Washington, D.C. to San Juan
- Flights from Fort Lauderdale to San Juan
- Flights from Dallas to San Juan
- Flights from Houston to San Juan
- Flights from Cleveland to San Juan
- Flights from Tampa to San Juan
- Flights from Madrid to San Juan
- Flights from Nashville to San Juan
- Flights from Austin to San Juan
Airports near Boston
- Logan International
- Bradley International
- Rhode Island T. F. Green Int'l Airport
- Long Island MacArthur
- Albany International
- Portland International Jetport
- Manchester–Boston Regional
- Worcester Regional
- Rutland–Southern Vermont Regional
- Portsmouth International Airport at Pease
Airports near San Juan
Kiwi.com: the best free travel app for Android and iPhone
Find out more about the Kiwi.com app on kiwi.com/mobile . With our app you can search for the best plane, train and bus connections. The Kiwi.com mobile app offers cheap flights, access to hidden features, travel hacks and special offers.
Search cheap flights
Simplified planning and booking
Travel deals built for you
Kiwi.com travel hacks