Find cheap flights from Boston to San Juan

BOS - SJU

Find cheap flights from Boston to San Juan

Search hundreds of travel sites at once for deals on flights to San Juan from Boston

Round-trip
Economy
Boston (BOS)
San Juan Luis Munoz Marin Intl
Fri 6/25
Fri 7/2
Any month
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Good to know

Low season

AugustBest time to beat the crowds with an average 39% drop in price.

High season

DecemberMost popular time to fly with an average 51% increase in price.

Average price round-trip

$253(avg. price over the last 2 weeks)

Good deal round-trip

$270or less

Good deal one-way

$141or less

When to book flights from Boston to San Juan

Estimated round-trip price
Average price per month
Flight prices as travel date approaches

Top tips for finding a cheap flight to San Juan from Boston

  • Looking for a cheap flight? 25% of our users found flights to San Juan from Boston for $141 or less one-way and $270 or less round-trip.
  • The cheapest flight from Boston to San Juan was found 46 days before departure, on average.
  • Book at least 1 week before departure in order to get a below-average price.
  • High season is considered to be November, December and January. The cheapest month to fly is August.
  • Morning departure is around 2% more expensive than an evening flight, on average*.
  • 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.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking Boston to San Juan flights

Which airlines have a flexible cancellation policy for flights from Boston Logan Intl to San Juan Luis Munoz Marin Intl due to COVID-19?

Can I fly to San Juan? Are there any travel restrictions when entering San Juan?

Can I fly to San Juan without having to quarantine on arrival?

Do I need to take a coronavirus (Covid-19) test before flying to San Juan?

What documents do I need to fly to San Juan?

What other coronavirus (Covid-19) restrictions are there in San Juan?

How long does a flight from Boston to San Juan take?

How many flights are there between Boston and San Juan?

Which airlines provide the cheapest flights from Boston to San Juan?

Do I need a passport to fly to San Juan from Boston?

Which airlines fly most frequently between Boston and San Juan?

What’s the cheapest day of the week to fly Boston to San Juan?

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

Where is the closest hotel to San Juan airport?

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

Are there 24h restaurants at Boston airport?

How does KAYAK find such low prices on flights from Boston to San Juan?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to San Juan?

What is the Hacker Fare option on flights from Boston to San Juan?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to San Juan?

Top airline flying Boston Logan Intl to San Juan Luis Munoz Marin Intl

Scores according to KAYAK customer reviews

5.6
Spirit Airlines
Overall score based on 62,106 reviews
6.1
Boarding
5.4
Comfort
6.5
Crew
4.6
Entertainment
4.7
Food
Airline reviews

Cons: "This was my first time that I choose this Airline and also the last time too. This Airline didn’t care the customer. Never has a solution and also never depart on time. They charge the passenger for everything. Nothing is free. My humble opinion is don’t fly with them. I flew with them this time because I found a cheap ticket but at the final I paid more. The prices are very attractive but isn’t true. For me was a headache."

Pros: "Plane was clean."

Cons: "The honesty"

Pros: "Fair price"
Cons: "Comfort"

Cons: "USB Connections & Free WiFi"

Pros: "Quick boarding, fast departure"
Cons: "WiFi or entertainment"

Pros: "It was all god"
Cons: "Didn’t like that I have to pay for coffee onboard!"

Pros: "Nothing"
Cons: "Spirit Airlines were not helpful with my situations"

Cons: "Spirit batting .900 against me when it comes to movie length delays. You guys are the cheapest for sure but your consistent inconsistency let me down once again. See you never."

Pros: "I liked how easy it was to book the flights and how I got to pick which ones worked best for me"

Pros: "Very professional, the captain moved things along and it was very organized and smooth."

Pros: "Nothing"

Cons: "Getting dinging for bags at the gate, $50 a bag each way?!? Wasn't explicit ok Kayaks website and very financially cumbersome. Not cool."

Cons: "I'm only 5'6" and my knees were jammed into the seat in front of me... wildly uncomfortable."

Pros: "Barbara."

Pros: "Good service"
Cons: "Everything was good."

Cons: "Delayed both ways"

Pros: "No frills or personality"

Cons: "They charged me three times"

Pros: "Price"
Cons: "Can't think of anything"

Pros: "The story I came away with."
Cons: "The speed at which the 22 year old girl sitting between the eye-drop salesmen fled the plane when we landed. Atlantic City is a funny destination."

Cons: "the damn fees. you need to make them clear when tickets are purchased."

Cons: "Long lines, delays and unhappy employees"

Cons: "Spirit is never worth flying. At the end of the day it is not any cheaper and is certainly of a lesser quality than it's worth. It is uncomfortable, inefficient, and scammy. I have flown them three times expecting improvements. None have been made. I won't be flying with them again."

Pros: "Nothing"
Cons: "It got canceled on my way to the airport"

Cons: "There was a delay that was not announced at the gate"

Pros: "More comfortable than I expected"
Cons: "Fees are too complicated"

Cons: "supposed to leave at 9 p.m. didn't leave until 12:30 a.m.. Had to find another way to get back to Balto. No reimbursement at all."

Cons: "Everything was fine. A little slow at checkin but all was pretty good"

Pros: "Nothing."
Cons: "Everything!"

Pros: "Nothing"
Cons: "Upcharges make you as expensive as other airlines but service is terrible so not worth it"

Pros: "Yes very much"

Pros: "Piloting of plane on take off and landing was smooth."
Cons: "Nickel & dimed start to finish. Well, lots more than nickels and dimes. Charges left and right for things that shouldn't be charged. Hated it. Won't take Spirit again."

Pros: "Nothing"
Cons: "Everything. Delay. Expensive luggage."

Pros: "Me trataron bien"
Cons: "Que me cobraron la maleta deben de mejorar eso"

Cons: "cancelled after 4 gate changes and beginning boarding. no rebooking."

Pros: "Only the price"
Cons: "Charge for bags ...gate change ..tight seating don't recline."

Pros: "i was assigned randomly the unassigned seat 1a, first class despite only purchasing economy. lucky me!"

Cons: "Crazy loud unruly passengers chaotic cabin and constant jostling from the aisle"

Pros: "Nothing, nothing at all"
Cons: "Everything from the size of"

Pros: "Nothing"
Cons: "Everything, everything is about money and nothing is about the customer"

Cons: "I will not use them again as they charged me an extra $100 for 2 bags. With American they would have been free.............who ever heard of charging for in the cab bags!"

Pros: "Nothing"
Cons: "Everything"

Cons: "Staff are the rudest most unhelpful people imaginable"

Pros: "If you just need to get from here to there, you can't beat it!"
Cons: "Everything costs extra"

Pros: "None!"
Cons: "Everything"

Pros: "I got the whole row to myself!"

Pros: "Not much,"
Cons: "It actualis lfigh.ly cost money to cancel th"

Cons: "exsisive hidden charge for luggage"

Read more about Spirit Airlines
COVID-19 information

Safety measures for airlines flying from Boston to San Juan

Airlines flying from Boston to San Juan have enacted additional safety measures and adjusted policies to better accommodate travelers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights from Boston to San Juan

Mandatory masks

Masks required on board, masks provided on flights from Boston to San Juan

Social distancing seating

Middle seats unavailable to book on flights from Boston to San Juan

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from Boston to San Juan

Book cheap flights from Boston to San Juan

Recent round-trip flight deals

9/8
Wed
1 stop
Spirit Airlines
9h 36m
BOS - SJU
9/14
Tue
1 stop
Spirit Airlines
7h 38m
SJU - BOS
9/21
Tue
1 stop
Spirit Airlines
8h 19m
BOS - SJU
9/27
Mon
1 stop
Spirit Airlines
7h 38m
SJU - BOS
9/8
Wed
1 stop
Spirit Airlines
7h 44m
BOS - SJU
9/13
Mon
1 stop
Spirit Airlines
7h 38m
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8/31
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1 stop
Spirit Airlines
14h 02m
BOS - SJU
9/17
Fri
1 stop
Spirit Airlines
7h 38m
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8/18
Wed
1 stop
Spirit Airlines
12h 30m
BOS - SJU
8/25
Wed
1 stop
Spirit Airlines
7h 45m
SJU - BOS
8/17
Tue
1 stop
Spirit Airlines
12h 47m
BOS - SJU
8/24
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7h 45m
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9/8
Wed
1 stop
Spirit Airlines
9h 36m
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9/15
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Spirit Airlines
13h 51m
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8/31
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12h 30m
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9h 36m
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13h 51m
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12h 30m
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9/18
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19h 41m
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9/13
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1 stop
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7h 38m
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8/31
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nonstop
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4h 07m
BOS - SJU
9/17
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7h 38m
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9/11
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13h 51m
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12h 47m
BOS - SJU
8/31
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7h 45m
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8/10
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nonstop
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4h 07m
BOS - SJU
9/1
Wed
1 stop
Spirit Airlines
7h 45m
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8/11
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nonstop
Spirit Airlines
4h 13m
BOS - SJU
8/18
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Spirit Airlines
7h 45m
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8/18
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Spirit Airlines
12h 30m
BOS - SJU
8/24
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nonstop
Spirit Airlines
4h 21m
SJU - BOS
8/21
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1 stop
Spirit Airlines
14h 02m
BOS - SJU
8/24
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1 stop
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7h 45m
SJU - BOS
8/31
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nonstop
Spirit Airlines
4h 13m
BOS - SJU
9/13
Mon
1 stop
Spirit Airlines
7h 38m
SJU - BOS
8/10
Tue
nonstop
Spirit Airlines
4h 07m
BOS - SJU
8/18
Wed
1 stop
Spirit Airlines
7h 45m
SJU - BOS
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Recent one-way flight deals

9/21
Tue
1 stop
Spirit Airlines
8h 19m
BOS - SJU
9/11
Sat
1 stop
Spirit Airlines
8h 19m
BOS - SJU
8/17
Tue
1 stop
Spirit Airlines
12h 10m
BOS - SJU
8/18
Wed
1 stop
Spirit Airlines
12h 30m
BOS - SJU
8/31
Tue
1 stop
Spirit Airlines
12h 47m
BOS - SJU
8/24
Tue
1 stop
Spirit Airlines
12h 47m
BOS - SJU
8/25
Wed
1 stop
Spirit Airlines
12h 47m
BOS - SJU
8/17
Tue
1 stop
Spirit Airlines
12h 10m
BOS - SJU
7/13
Tue
1 stop
Spirit Airlines
13h 18m
BOS - SJU
7/13
Tue
nonstop
Spirit Airlines
4h 07m
BOS - SJU
7/27
Tue
nonstop
Spirit Airlines
4h 13m
BOS - SJU
7/20
Tue
nonstop
Spirit Airlines
4h 07m
BOS - SJU
9/11
Sat
1 stop
Spirit Airlines
17h 26m
BOS - SJU
8/24
Tue
nonstop
Spirit Airlines
4h 07m
BOS - SJU
7/14
Wed
1 stop
Spirit Airlines
13h 18m
BOS - SJU
7/10
Sat
nonstop
Spirit Airlines
4h 13m
BOS - SJU
8/28
Sat
1 stop
Spirit Airlines
12h 47m
BOS - SJU
7/26
Mon
1 stop
Multiple Airlines
12h 21m
BOS - SJU
7/12
Mon
1 stop
Multiple Airlines
12h 21m
BOS - SJU
8/2
Mon
1 stop
Multiple Airlines
12h 21m
BOS - SJU
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