Search & Compare - Boston to San Juan Flights & Tickets

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Cheap flights from Boston to San Juan (BOS to SJU)

Looking for a cheap last-minute deal or the best round-trip flight from Boston to San Juan? Find the biggest savings on one-way and round-trip tickets right here.

Recent airfare deals on Boston to San Juan

Southwest Airlines  WN
Southwest Airlines
Boston
2025-04-14
San Juan
2025-04-22
USD -365

Round Trip WN Economy fare found on 2025-03-07
Southwest Airlines  WN
Southwest Airlines
Boston
2025-04-14
San Juan
2025-04-22
USD -305

Round Trip WN Economy fare found on 2025-03-07
Spirit Airlines  NK
Spirit Airlines
Boston
2025-05-03
San Juan
USD 33

One-way NK Nonstop Economy fare found on 2025-03-29
Spirit Airlines  NK
Spirit Airlines
Boston
2025-05-03
San Juan
USD 33

One-way NK Nonstop Economy fare found on 2025-03-29
Spirit Airlines  NK
Spirit Airlines
Boston
2025-07-04
San Juan
USD 44

One-way NK Economy fare found on 2025-05-07
Spirit Airlines  NK
Spirit Airlines
Boston
2025-06-14
San Juan
USD 44

One-way NK Economy fare found on 2025-05-09
Spirit Airlines  NK
Spirit Airlines
Boston
2025-06-14
San Juan
USD 44

One-way NK Economy fare found on 2025-05-09
Spirit Airlines  NK
Spirit Airlines
Boston
2025-05-03
San Juan
USD 48

One-way NK Economy fare found on 2025-03-29
Spirit Airlines  NK
Spirit Airlines
Boston
2025-05-03
San Juan
USD 48

One-way NK Economy fare found on 2025-03-29
Spirit Airlines  NK
Spirit Airlines
Boston
2025-06-14
San Juan
USD 48

One-way NK Economy fare found on 2025-05-09


*Prices are per person and are for e-tickets and include all taxes & fees in USD.
*Fareleaders always attempts to get accurate pricing, however, prices are not guaranteed.
*Fareleaders is not seller, we aggregate tones of data for you from other online travel agencies and external sources.

Facts to know while booking flights from Boston to San Juan

What are the airports in Boston?
BOS
What’s the most popular airline flying from BOS to SJU?
The most popular airline flying from Boston to San Juan are Southwest Airlines, Spirit Airlines, Frontier Airlines, Delta Airlines
Can I fly from BOS to SJU non-stop?
Yes, you can fly BOS to SJU non-stop on Spirit Airlines, Frontier Airlines, Delta Airlines
Which airlines fly nonstop between Boston and San Juan?
The non-stop flights between Boston and San Juan are Spirit Airlines, Frontier Airlines, Delta Airlines.
What’s the earliest departure time from BOS to SJU Airport?
The earliest flight leaves BOS at 5:15 am and lands in SJU - Luis Munoz Marin International
What are the airports in San Juan?
SJU
Can I make changes to my Boston to San Juan flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from BOS to SJU?
Read the fare rules of the Boston to San Juan air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Boston and San Juan?
NULL, NULL, NULL, SkyTeam operate flights between Boston and San Juan
How long does a flight from Boston to San Juan take?
It takes approximately 4 hour to fly non-stop from BOS to SJU, which is 1674.24 miles by air.
Which airlines provide the cheapest flights from Boston (BOS) to San Juan (SJU) ?
In the past couple of days, the cheapest tickets to SJU from BOS were found on Southwest Airlines : USD -365
Do I need a passport to fly between BOS and SJU?
Yes
What’s the latest departure time from BOS to SJU ?
The last flight leaves BOS at 10:21 pm

Essential Information for Booking Flights from Boston to San Juan - AI Insights

What's the cheapest airline from bos to sju?
Spirit Airlines (NK) offers the most affordable options from Logan International to Luis Munoz Marin International for one passenger, traveling in Economy class.
What's the popular airline to fly from bos to sju?
American Airlines (AA) offers popular routes from Logan International to Luis Munoz Marin International, with a fare for one passenger in economy.
What's the cheapest day of the week to fly from bos to sju?
Thursday is the cheapest day to fly from Logan International to Luis Munoz Marin International.
What's the cheapest month to fly from bos to sju?
March is the month with the lowest airfare from Logan International to Luis Munoz Marin International for one passenger in economy class.
What is the cheapest airline to fly from Logan International to Luis Munoz Marin International?
Spirit Airlines (NK) typically offers the most affordable fares from Logan International to Luis Munoz Marin International.
What month offers the lowest airfare from Logan International to Luis Munoz Marin International?
March is generally the least expensive month to fly from Logan International to Luis Munoz Marin International.
What airport serves the Luis Munoz Marin International airport?
Luis Munoz Marin International Airport

Flights from Boston to San Juan

Origin AirportLogan International, Boston, US
Destination AirportLuis Munoz Marin International , San Juan, PR
Served by AirlinesSouthwest Airlines, Spirit Airlines, Frontier Airlines, Delta Airlines
Lowest PriceSouthwest Airlines : USD -365
Distance1674 miles

Airlines Flying from Logan International

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