BOS - SJU

$155 Find Cheap Flights from Boston to San Juan Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$283
Typical prices: $275-$499
JetBlue
Sat 9/15Sat 9/22
BOS - SJU • Non-stop
Cheapest one-way
$155
Typical prices: $139-$260
JetBlue
Thu 1/4
BOS - SJU • Non-stop
Nonstop flights
You can fly direct with JetBlue and Delta. Average duration is 4h 06m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 82% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 21 weeks in advance save around 18% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 23% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $266 (round-trip)
Shortest trip • 6h 57m (one-way)
Insights
Insights
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We hope you love your trip to San Juan Luis Munoz Marin Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Boston to San Juan (BOS-SJU)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to San Juan

Tue, Sep 15 - Tue, Sep 22
JetBlue Logo
7:55 am - 12:02 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
4h 07mnonstop
JetBlue Logo
6:55 pm - 11:03 pmSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
4h 08mnonstop
$283JetBlue
Sat, Oct 10 - Sat, Oct 17
JetBlue Logo
7:20 pm - 11:58 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
4h 38mnonstop
JetBlue Logo
7:35 pm - 11:43 pmSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
4h 08mnonstop
$283JetBlue
Mon, Dec 7 - Fri, Dec 25
Multiple Airlines Logo
2:21 pm - 7:27 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
4h 06mnonstop
Multiple Airlines Logo
8:20 am - 11:39 amSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
4h 19mnonstop
$285Multiple Airlines
Mon, Dec 7 - Fri, Dec 25
Multiple Airlines Logo
3:45 pm - 12:54 amBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
8h 09m1 stop Fort Lauderdale
Multiple Airlines Logo
8:20 am - 11:39 amSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
4h 19mnonstop
$289Multiple Airlines
Fri, Sep 11 - Wed, Sep 23
Frontier Logo
11:36 am - 9:35 amBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
21h 59m1 stop Orlando
Frontier Logo
6:42 pm - 10:22 amSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
15h 40m1 stop Orlando
$304Frontier
Sat, Sep 12 - Sat, Sep 19
Delta Logo
8:55 am - 12:57 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
4h 02mnonstop
Delta Logo
2:10 pm - 6:23 pmSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
4h 13mnonstop
$307Delta
Sat, Sep 19 - Fri, Sep 25
Delta Logo
8:55 am - 12:57 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
4h 02mnonstop
Delta Logo
2:10 pm - 6:23 pmSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
4h 13mnonstop
$307Delta
Sun, Oct 25 - Tue, Oct 27
United Airlines Logo
7:15 am - 1:40 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
6h 25m1 stop Newark
United Airlines Logo
7:25 am - 6:57 pmSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
11h 32m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
$316United Airlines
Sun, Oct 25 - Tue, Oct 27
United Airlines Logo
7:15 am - 1:40 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
6h 25m1 stop Newark
United Airlines Logo
4:50 pm - 11:59 pmSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
7h 09m1 stop Washington, D.C. Dulles Intl
$316United Airlines
Fri, Sep 11 - Sun, Sep 13
Frontier Logo
11:36 am - 2:18 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
26h 42m1 stop Orlando
Frontier Logo
10:42 am - 10:51 amSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
24h 09m1 stop Orlando
$322Frontier
Booking Insights

Price, demand and travel trends for Boston to San Juan Luis Munoz Marin Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Boston to San Juan Luis Munoz Marin Intl Airport with more confidence.

How much is a round-trip flight from Boston to San Juan Luis Munoz Marin Intl Airport?

Round-trip flights from Boston to San Juan Luis Munoz Marin Intl Airport start at $283. Prices are typical for this route right now, with typical round-trip fares ranging from $275 to $499. The lowest price found in the past 5 days was $283 on JetBlue.

What's the cheapest day of the week to fly from Boston to San Juan Luis Munoz Marin Intl Airport?

Tuesday is the cheapest day of the week to fly from Boston to San Juan Luis Munoz Marin Intl Airport, it is 6% cheaper than the average day. Friday is the most expensive day with flight prices 5% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Boston to San Juan Luis Munoz Marin Intl Airport?

  • January is the cheapest month to fly from Boston to San Juan Luis Munoz Marin Intl Airport at $289 round-trip.
  • July ($475) and June ($434) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 64% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Boston to San Juan Luis Munoz Marin Intl Airport the cheapest?

Flights from Boston to San Juan Luis Munoz Marin Intl Airport are cheapest 21 weeks before departure. Booking in this window typically costs about 18% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Boston to San Juan

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on JetBlue

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Delta and Frontier

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on BOS

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Gabriel Leigh

Gabriel Leigh

Expert on SJU

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Key details for Boston to San Juan Luis Munoz Marin Intl Airport flights

Low season

October

Cheapest flight

$155
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly and prices are also 15% lower on average.
Flight from Boston to San Juan Luis Munoz Marin Intl Airport

When to book flights from Boston to San Juan

Are your dates flexible? Find out the best times to travel from Boston to San Juan based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to San Juan Luis Munoz Marin Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What is the best way to reach San Juan from San Juan International Airport?

    The quickest and most convenient way to go from the airport to San Juan center is by taxi. There is also a public bus, but timetables may be irregular and bulky luggage is not permitted. In front of the airport, there is a line of tourist cabs which have fixed rates to various destinations. To go to Old San Juan, prepare to pay approximately $19 for a 20m ride.

  • Where is the closest hotel to San Juan airport?

    Should you prefer to remain close to the airport, whether it be for a connecting or early flight, the San Juan Airport Hotel is a good choice. Situated onsite at Terminal D, it could not be more convenient. Apart from the close proximity to the terminals, the accommodation provides guest with a bar, 24h reception desk, and a business center.

  • Can I park my car at Boston airport while I am in San Juan?

    Should you prefer to travel to Boston airport with your own car, you can park it at the long-term economy parking lot situated on the airport grounds. If you have heavy bags to carry, you may also want to take one of the free shuttle buses that operate from the lot to the airport every 15-20m. The first day of parking costs approximately $52 and each subsequent day $26, so you can return from San Juan without expecting astronomical fees.

  • Are there 24h restaurants at Boston airport?

    In Terminal A in the pre-security area, there is a 24h Dunkin’ Donuts where you can get coffee and a scrumptious snack. However, most eateries at Boston International Airport open between 4:30 and 5:00 am and only close 30m prior to the last departure, so you should mostly have no problems finding something to eat before you board your flight from Boston to San Juan.

  • Which airlines offer extra legroom and free seat selection on Boston to San Juan Luis Munoz Marin Intl Airport flights?

    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.

  • What airlines are available from Boston to San Juan Luis Munoz Marin Intl Airport?

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

  • Which airports can I use when flying from Boston to San Juan Luis Munoz Marin Intl Airport?

    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).

  • Which airlines include bags at no extra cost on Boston to San Juan Luis Munoz Marin Intl Airport flights?

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

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

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

  • What cabin classes can I book on flights from Boston to San Juan Luis Munoz Marin Intl Airport?

    Four cabin classes are available on flights from Boston to San Juan Luis Munoz Marin Intl Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How much can I save by taking a layover when flying from Boston to San Juan Luis Munoz Marin Intl Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $266 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $376 for nonstop.

  • What is the standard checked-bag allowance on flights from Boston to San Juan Luis Munoz Marin Intl Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Boston to San Juan Luis Munoz Marin Intl Airport?

    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.

  • Which airports do connecting flights from Boston to San Juan Luis Munoz Marin Intl Airport pass through?

    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
    • Philadelphia (PHL) - 14% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 13% 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.

  • Can I save money by using flexible dates for flights from Boston to San Juan Luis Munoz Marin Intl Airport?

    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 $354 round-trip on average, while Friday is the most expensive at $392, a difference of $38. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed from Boston to San Juan Luis Munoz Marin Intl Airport?

    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, 26% of flights were delayed in the past 3 months, with delays averaging 2 hours 55 minutes.

  • How are flight departures from Boston to San Juan Luis Munoz Marin Intl Airport spread across the day?

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

  • What popular places can I visit in San Juan Luis Munoz Marin Intl Airport?

    Some of the most popular sights in San Juan Luis Munoz Marin Intl Airport are Viejo San Juan, Condado Beach and Puerto Rico Convention Center. These are among the most viewed places in San Juan Luis Munoz Marin Intl Airport on KAYAK.

  • How long is a flight from Boston to San Juan Luis Munoz Marin Intl Airport?

    A nonstop flight from Boston to San Juan Luis Munoz Marin Intl Airport takes 4h 06m, covering 1,678 miles.

  • What are the earliest and latest flights from Boston to San Juan Luis Munoz Marin Intl Airport?

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

    • Earliest: departs at 5:32 am and lands at 9:38 am
    • Latest: departs at 8:35 pm and lands at 12:41 am.

    The flight takes about 4h 06m.

  • How expensive are last-minute Boston to San Juan Luis Munoz Marin Intl Airport flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 7% above the route average of $373. Book 21 weeks before departure for the lowest fares.

  • Do I need a passport to fly from Boston to San Juan Luis Munoz Marin Intl Airport?

    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.

  • Have flight prices from Boston to San Juan Luis Munoz Marin Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $283 to $1,867. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Boston to San Juan Luis Munoz Marin Intl Airport looking right now?

    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 $161, which is 18% below the typical average for this route.

  • How does Delta’s on-time performance compare to other airlines on Boston to San Juan Luis Munoz Marin Intl Airport flights?

    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: 73% on time
    • Spirit Airlines: 63% on time

    Overall, flights on this route are on time 74% of the time on average.

  • How do delay rates compare for morning and evening flights from Boston to San Juan Luis Munoz Marin Intl Airport?

    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.

  • How much time can I save by choosing a different layover airport from Boston to San Juan Luis Munoz Marin Intl Airport?

    Flying via Washington, D.C. Dulles Intl (IAD) gives the shortest average 1-stop total travel time at 6h 57m, compared with 7h 05m via Newark (EWR) and 7h 15m via New York John F Kennedy Intl (JFK).

  • What car rental options are available at San Juan Luis Munoz Marin Intl Airport (SJU)?

    San Juan Luis Munoz Marin Intl Airport (SJU) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    · Routes Car & Truck Rentals
    · U-Save
    · Payless
    · Hertz
    · Europcar

  • How much should I expect to pay for a Boston to San Juan Luis Munoz Marin Intl Airport flight?

    Round-trip flights from Boston to San Juan Luis Munoz Marin Intl Airport range from $275 to $499, with an average of $373 over the past 12 months. Anything below $275 counts as a good deal.

  • Which airlines offer Wi-Fi on Boston to San Juan Luis Munoz Marin Intl Airport flights?

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

    • • JetBlue
    • • Delta

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Boston to San Juan Luis Munoz Marin Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Friday. On this route, Tuesday flights average $354 - about $38 less than Friday (10% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 21 weeks before you fly. On this route, that window historically saves about 18% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boston to San Juan Luis Munoz Marin Intl Airport trip for January. Fares historically average $289 round-trip in that month - typically $186 less than the most expensive month, which is July (based on the last 12 months).
  • If arriving on time is high on your priority list, Delta is the strongest pick on this route. 82% of Delta flights from Boston to San Juan Luis Munoz Marin Intl Airport arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 74%. When flights on this route do arrive late, the average delay is 2 hours 55 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Atlanta Hartsfield-Jackson Airport (ATL) can be cheaper than flying direct. The cheapest layover option averages $266 round-trip on this route - about $110 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Juan Luis Munoz Marin Intl Airport.
    - Coral by The Sea Hotel
    - Hampton Inn & Suites by Hilton San Juan
    - San Juan Airport Hotel
  • With JetBlue Airways you can fly nonstop and for a good price from Boston to San Juan. The low-cost airline usually takes off from Terminal C of Boston International Airport (BOS).
  • There are various airline lounges available at Boston International Airport, but in the Lounge at Terminal C in the post-security area, Gate C19, passengers of any airline and class are welcome. Here you can work, relax, or enjoy a drink before boarding your flight from Boston to San Juan. Entry passes cost approximately $40 for 3h.
  • Keep your kids entertained at the Kidports, available in Terminals A-C. The play areas are all situated in the post-security area of their respective terminal, so your children can play and have fun until it is time to board the plane.
  • Instead of dealing with public transport and stressing about taxis, you can rent your own vehicle at one of the many agencies represented at San Juan Luis Munoz Marin International Airport (SJU). Internationally trusted companies like Alamo, Avis, and Thrifty are located on the first floor of the multistory parking garage.
  • If hunger is already gnawing on you upon your arrival in San Juan, there is a wide range of options to appease your stomach. Especially popular among tourists in San Juan is the Landshark Grill and Bar at Terminal C. Here you will find scrumptious burgers and other mouth-watering dishes on the menu, as well as a relaxing atmosphere.

Prefer to fly direct from Boston to San Juan Airport?

 
Find which airlines fly direct from Boston Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport, which days they fly and book direct flights.

Direct departures

Boston Logan Intl to San Juan Luis Munoz Marin Intl

Monday

Delta,JetBlue

Delta,JetBlue

Tuesday

Delta,JetBlue

Delta,JetBlue

Wednesday

Delta,JetBlue

Delta,JetBlue

Thursday

Delta,JetBlue

Delta,JetBlue

Friday

Delta,JetBlue

Delta,JetBlue

Saturday

Delta,JetBlue

Delta,JetBlue

Sunday

Delta,JetBlue

Delta,JetBlue

See more direct flights

Direct returns

San Juan Luis Munoz Marin Intl to Boston Logan Intl

Monday

Delta,JetBlue

Delta,JetBlue

Tuesday

Delta,JetBlue

Delta,JetBlue

Wednesday

Delta,JetBlue

Delta,JetBlue

Thursday

Delta,JetBlue

Delta,JetBlue

Friday

Delta,JetBlue

Delta,JetBlue

Saturday

Delta,JetBlue

Delta,JetBlue

Sunday

Delta,JetBlue

Delta,JetBlue

See more direct flights

Everything you need to know for your flight from Boston to San Juan

Information on your arrival and departure airports