SJU - BOS

$154 Find Cheap Flights from San Juan to Boston - Compare and Save

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Everything you should know

Cheapest round-trip
$286
Typical prices: $257-$410
JetBlue
Tue 12/4Sat 12/8
SJU - BOS • 1 stop
Cheapest non-stop
$286
Typical prices: $259-$414
JetBlue
Sat 9/29Sun 10/7
SJU - BOS • Non-stop
Nonstop flights
You can fly direct with JetBlue and Delta. Average duration is 4h 09m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 87% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 7 weeks in advance save around 24% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 25% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $257 (round-trip)
Shortest trip • 6h 52m (one-way)
Insights
Insights
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Expert advice
Flight Deals

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

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

Recent round-trip flight deals from San Juan to Boston

Tue, Sep 29 - Wed, Oct 7
JetBlue Logo
2:10 pm - 6:23 pmSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
4h 13mnonstop
JetBlue Logo
8:50 am - 12:52 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
4h 02mnonstop
$286JetBlue
Fri, Dec 4 - Tue, Dec 8
JetBlue Logo
7:40 am - 7:00 pmSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
12h 20m1 stop Orlando
JetBlue Logo
1:20 pm - 11:20 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
9h 00m1 stop Baltimore/Washington
$286JetBlue
Sat, Oct 24 - Sat, Oct 31
Delta Logo
2:02 pm - 6:15 pmSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
4h 13mnonstop
Delta Logo
8:50 am - 12:52 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
4h 02mnonstop
$307Delta
Fri, Sep 11 - Mon, Sep 14
Delta Logo
2:10 pm - 6:23 pmSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
4h 13mnonstop
Delta Logo
8:55 am - 12:57 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
4h 02mnonstop
$307Delta
Fri, Oct 9 - Sun, Oct 11
Multiple Airlines Logo
7:00 am - 9:29 amSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
26h 29m1 stop Fort Lauderdale
Multiple Airlines Logo
12:34 pm - 1:31 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
24h 57m1 stop Fort Lauderdale
$307Multiple Airlines
Sat, Oct 3 - Sat, Oct 17
Multiple Airlines Logo
10:30 am - 11:44 amSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
25h 14m1 stop Fort Lauderdale
Multiple Airlines Logo
10:19 am - 1:31 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
27h 12m1 stop Fort Lauderdale
$307Multiple Airlines
Mon, Sep 14 - Tue, Sep 22
United Airlines Logo
1:00 am - 10:18 amSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
9h 18m2 stops Newark Washington, D.C. Dulles Intl
United Airlines Logo
7:05 am - 8:38 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
13h 33m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$316United Airlines
Sat, Oct 3 - Sun, Oct 11
United Airlines Logo
1:00 am - 9:44 amSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
8h 44m1 stop Newark
United Airlines Logo
6:00 am - 1:45 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
7h 45m1 stop Newark
$316United Airlines
Sat, Sep 5 - Fri, Sep 11
Frontier Logo
10:39 am - 11:50 amSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
25h 11m2 stops Philadelphia Raleigh-Durham
Frontier Logo
11:36 am - 11:13 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
11h 37m1 stop Orlando
$347Frontier
Sat, Sep 5 - Fri, Sep 11
Frontier Logo
10:39 am - 11:50 amSJU  San Juan Luis Munoz Marin Intl-BOS Boston Logan Intl
25h 11m2 stops Philadelphia Raleigh-Durham
Frontier Logo
11:36 am - 11:13 pmBOS  Boston Logan Intl-SJU San Juan Luis Munoz Marin Intl
11h 37m1 stop Orlando
$348Frontier
Booking Insights

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

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

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

Round-trip flights from San Juan Luis Munoz Marin Intl Airport to Boston start at $286. Prices are typical for this route right now, with typical round-trip fares ranging from $257 to $410. The lowest price found in the past 5 days was $286 on JetBlue.

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

Thursday is the cheapest day of the week to fly from San Juan Luis Munoz Marin Intl Airport to Boston, it is 10% cheaper than the average day. Sunday is the most expensive day with flight prices 30% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • February is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to Boston at $239 round-trip.
  • July ($442) and June ($412) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 84% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from San Juan Luis Munoz Marin Intl Airport to Boston are cheapest 7 weeks before departure. Booking in this window typically costs about 24% 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 San Juan to Boston

 
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 San Juan Luis Munoz Marin Intl Airport to Boston flights

Low season

March

Cheapest flight

$154
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 6% increase in price.
Flight from San Juan Luis Munoz Marin Intl Airport to Boston

When to book flights from San Juan to Boston

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

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

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

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

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

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

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

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

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

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

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

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

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

    • Economy Class
    • Premium Economy Class

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $257 round-trip via Orlando (MCO), compared to $321 for nonstop.

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

    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 San Juan Luis Munoz Marin Intl Airport to Boston?

    The Airbus A321neo family is used most often on this route, operated mainly by Delta and JetBlue. Other aircraft seen on the route include Airbus A321 (sharklets) variants.

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

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

    • Orlando (MCO) - 33% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 23% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 22% of one-stop connections
    • Newark (EWR) - 7% of one-stop connections

    Orlando (MCO) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 31% on the San Juan Luis Munoz Marin Intl Airport to Boston route. Thursday is the cheapest departure day at $291 round-trip on average, while Sunday is the most expensive at $418, a difference of $127. 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 San Juan Luis Munoz Marin Intl Airport to Boston?

    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 San Juan Luis Munoz Marin Intl Airport to Boston route, 20% of flights were delayed in the past 3 months, with delays averaging 2 hours 20 minutes.

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

    Morning is the busiest departure period on San Juan Luis Munoz Marin Intl Airport to Boston flights, with 25% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, and night flights for 25%.

  • What popular places can I visit in Boston?

    Some of the most popular sights in Boston are Fenway Park, TD Garden and South Station. These are among the most viewed places in Boston on KAYAK.

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

    A nonstop flight from San Juan Luis Munoz Marin Intl Airport to Boston takes 4h 09m, covering 1,678 miles.

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

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

    • Earliest: departs at 5:01 am and lands at 9:10 am
    • Latest: departs at 8:59 pm and lands at 1:08 am.

    The flight takes about 4h 09m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 12% above the route average of $320. Book 7 weeks before departure for the lowest fares.

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

    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 San Juan Luis Munoz Marin Intl Airport to Boston 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 $286 to $1,241. That means the highest observed fare was about 4x higher than the lowest one.

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

    One-way fares from San Juan Luis Munoz Marin Intl Airport to Boston are currently lower than usual. Average one-way flight prices are about $160, which is 26% below the typical average for this route.

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

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

    • Delta: 87% on time
    • Frontier: 85% on time
    • Spirit Airlines: 83% on time

    Overall, flights on this route are on time 80% of the time on average.

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

    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 San Juan Luis Munoz Marin Intl Airport to Boston?

    Flying via Baltimore/Washington (BWI) gives the shortest average 1-stop total travel time at 6h 52m, compared with 6h 55m via New York John F Kennedy Intl (JFK) and 7h 00m via Newark (EWR).

  • What car rental options are available at Boston Logan Intl Airport (BOS)?

    Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
    · Dollar
    · Hertz
    · Budget
    · Thrifty
    · Sixt

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

    Round-trip flights from San Juan Luis Munoz Marin Intl Airport to Boston range from $257 to $410, with an average of $320 over the past 12 months. Anything below $257 counts as a good deal.

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

    Delta is the only airline on the San Juan Luis Munoz Marin Intl Airport to Boston route offering in-flight Wi-Fi. Pricing depends on fare class.

Your guide to booking San Juan Luis Munoz Marin Intl Airport to Boston 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 Thursday departure instead of Sunday. On this route, Thursday flights average $291 - about $127 less than Sunday (30% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 7 weeks before you fly. On this route, that window historically saves about 24% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Juan Luis Munoz Marin Intl Airport to Boston trip for February. Fares historically average $239 round-trip in that month - typically $203 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. 87% of Delta flights from San Juan Luis Munoz Marin Intl Airport to Boston arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 80%. When flights on this route do arrive late, the average delay is 2 hours 20 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 Orlando Airport (MCO) can be cheaper than flying direct. The cheapest layover option averages $257 round-trip on this route - about $64 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 Boston Logan Intl Airport.
    - Courtyard by Marriott Boston Logan Airport
    - Embassy Suites by Hilton Boston at Logan Airport
    - Hyatt Regency Boston Harbor

Prefer to fly direct from San Juan to Boston?

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

Direct departures

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

Direct returns

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

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

Information on your arrival and departure airports