£124 Find Cheap Flights from Boston to San Juan – Compare and Save

Among airlines operating Boston to San Juan Luis Munoz Marin Intl Airport flights:

• JetBlue: offers extra legroom; offers free seat selection
• Delta: offers extra legroom; offers free seat selection
• Frontier: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Boston and San Juan Luis Munoz Marin Intl Airport. The airlines offering direct flights on this route include:

• JetBlue
• Delta

Flights from Boston to San Juan Luis Munoz Marin Intl Airport usually depart from Boston Logan Intl (BOS) and arrive at San Juan Luis Munoz Marin Intl (SJU).

Here are some options for this route, based on selected ticket types and cabin classes:

• JetBlue: a cabin bag and a checked bag in Economy class
• Delta: a cabin bag and a checked bag in Economy class
• Frontier: a cabin bag in Economy class class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £194 return via Atlanta Hartsfield-Jackson (ATL), compared with £278 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £26–£74 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A320-100/200 family is used most often on this route, operated mainly by JetBlue and Spirit Airlines. Other aircraft seen on the route include Airbus A321neo variants.

One-stop flights from Boston to San Juan Luis Munoz Marin Intl Airport most commonly connect through:

• New York John F Kennedy Intl (JFK) – 43% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) – 14% of one-stop connections
• Philadelphia (PHL) – 14% of one-stop connections
• Orlando (MCO) – 12% of one-stop connections

New York John F Kennedy Intl (JFK) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 10% on the Boston to San Juan Luis Munoz Marin Intl Airport route. Tuesday is the cheapest departure day at £262 return on average, while Friday is the most expensive at £290, a difference of £28. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Boston to San Juan Luis Munoz Marin Intl Airport route, 27% of flights were delayed in the past 3 months, with delays averaging 2 hours 57 minutes.

Morning is the busiest departure period on Boston to San Juan Luis Munoz Marin Intl Airport flights, with 67% leaving in that window. Evening departures account for 33%, Afternoon flights for 0%, and Night flights for 0%.

Some of the most popular sights in San Juan Luis Munoz Marin Intl Airport are Cruise Line Terminal, Condado Beach, and Viejo San Juan. These are among the most viewed places in San Juan Luis Munoz Marin Intl Airport on KAYAK.

These are the earliest and latest flight times available from Boston to San Juan Luis Munoz Marin Intl Airport:

• Earliest: departs at 05:01 and lands at 09:06
• Latest: departs at 20:10 and lands at 00:15.

The flight takes about 4h 05m.

Last-minute fares on this route (booked within 2 weeks of departure) run 7% above the route average of £276. Book 21 weeks before departure for the lowest fares.

A direct flight from Boston to San Juan Luis Munoz Marin Intl Airport takes 4h 05m, covering 1,678 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £242 to £1,228. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Boston to San Juan Luis Munoz Marin Intl Airport are currently lower than usual. Average one-way flight prices are about £136, which is 6% below the typical average for this route.

Delta is slightly above the route average for timely arrivals, while JetBlue has a lower on-time arrival rate. On-time arrival rates on Boston to San Juan Luis Munoz Marin Intl Airport flights are:

• Delta: 82% on time
• JetBlue: 71% on time
• Spirit Airlines: 62% on time

On average, flights on this route are punctual 73% of the time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Washington, D.C. Dulles Intl (IAD) gives the shortest average 1-stop total travel time of 6h 57m, compared to 7h 05m via Newark (EWR) and 7h 14m via New York John F Kennedy Intl (JFK).

San Juan Luis Munoz Marin Intl Airport (SJU) hosts 5 major car hire companies, with daily rates starting from around £3 for economy cars. Top options include:
• Routes Car & Truck Rentals
• U-Save
• Payless
• Hertz
• Europcar

Return flights from Boston to San Juan Luis Munoz Marin Intl Airport range from £203 to £369, with an average of £276 over the past 12 months. Anything below £203 counts as a good deal.

Two airlines offer in-flight Wi-Fi on Boston to San Juan Luis Munoz Marin Intl Airport flights:

• • JetBlue
• • Delta