Cheap flights from San Juan Luis Munoz Marin Intl Airport to Boston from $93

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan Luis Munoz Marin Intl Airport to Boston departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:11 pm - 12:05 am
SJU
-
BOS
8h 54m1 stop
Frontier Logo
10:24 am - 3:28 pm
BOS
-
SJU
4h 04mnonstop
$131Frontier
Wed, Feb 25 - Sun, Mar 1
Multiple Airlines Logo
8:00 am - 11:23 am
SJU
-
BOS
4h 23mnonstop
Multiple Airlines Logo
5:45 am - 10:05 pm
BOS
-
SJU
15h 20m1 stop
$132Multiple Airlines
Tue, Dec 23 - Sat, Jan 3
Multiple Airlines Logo
6:00 am - 9:23 am
SJU
-
BOS
4h 23mnonstop
Multiple Airlines Logo
11:55 am - 10:05 pm
BOS
-
SJU
9h 10m1 stop
$133Multiple Airlines
Sun, Dec 21 - Mon, Jan 5
Frontier Logo
6:00 am - 9:23 am
SJU
-
BOS
4h 23mnonstop
Frontier Logo
12:03 pm - 8:54 am
BOS
-
SJU
19h 51m1 stop
$134Frontier
Sun, Dec 21 - Sat, Jan 10
Spirit Airlines Logo
3:15 pm - 6:39 pm
SJU
-
BOS
4h 24mnonstop
Spirit Airlines Logo
7:34 pm - 12:41 am
BOS
-
SJU
4h 07mnonstop
$135Spirit Airlines
Wed, Dec 24 - Mon, Jan 5
Multiple Airlines Logo
6:00 am - 9:23 am
SJU
-
BOS
4h 23mnonstop
Multiple Airlines Logo
8:00 pm - 1:05 am
BOS
-
SJU
4h 05mnonstop
$136Multiple Airlines
Sun, Dec 21 - Sun, Jan 4
Spirit Airlines Logo
3:15 pm - 6:39 pm
SJU
-
BOS
4h 24mnonstop
Spirit Airlines Logo
7:34 pm - 12:41 am
BOS
-
SJU
4h 07mnonstop
$137Spirit Airlines
Thu, Dec 25 - Tue, Dec 30
Frontier Logo
4:21 pm - 1:19 am
SJU
-
BOS
9h 58m1 stop
Frontier Logo
10:18 am - 3:22 pm
BOS
-
SJU
4h 04mnonstop
$138Frontier
Mon, Dec 22 - Sun, Jan 4
Frontier Logo
8:00 am - 11:23 am
SJU
-
BOS
4h 23mnonstop
Frontier Logo
8:08 am - 1:24 am
BOS
-
SJU
16h 16m1 stop
$139Frontier
Thu, Dec 25 - Mon, Dec 29
Multiple Airlines Logo
11:52 am - 11:48 pm
SJU
-
BOS
12h 56m1 stop
Multiple Airlines Logo
10:24 am - 3:28 pm
BOS
-
SJU
4h 04mnonstop
$140Multiple Airlines
Fri, Feb 27 - Sun, Mar 1

Frontier flights from San Juan Luis Munoz Marin Intl Airport to Boston

Our best Frontier deals on San Juan Luis Munoz Marin Intl Airport to Boston flight tickets
Frontier
Feb 25
SJU4:11 pmSan Juan Luis Munoz Marin Intl
8h 54m
1 stop
BOS12:05 amBoston Logan Intl
Mar 1
BOS10:24 amBoston Logan Intl
4h 04m
SJU3:28 pmSan Juan Luis Munoz Marin Intl
Frontier
Dec 21
SJU6:00 amSan Juan Luis Munoz Marin Intl
4h 23m
BOS9:23 amBoston Logan Intl
Jan 10
BOS12:03 pmBoston Logan Intl
19h 51m
1 stop
SJU8:54 amSan Juan Luis Munoz Marin Intl
Frontier
Dec 22
SJU4:21 pmSan Juan Luis Munoz Marin Intl
9h 58m
1 stop
BOS1:19 amBoston Logan Intl
Jan 4
BOS10:18 amBoston Logan Intl
4h 04m
SJU3:22 pmSan Juan Luis Munoz Marin Intl

Spirit Airlines flights from San Juan Luis Munoz Marin Intl Airport to Boston

Our best Spirit Airlines deals on San Juan Luis Munoz Marin Intl Airport to Boston flight tickets
Spirit Airlines
Dec 24
SJU3:15 pmSan Juan Luis Munoz Marin Intl
4h 24m
BOS6:39 pmBoston Logan Intl
Jan 5
BOS7:34 pmBoston Logan Intl
4h 07m
SJU12:41 amSan Juan Luis Munoz Marin Intl
Spirit Airlines
Dec 25
SJU3:15 pmSan Juan Luis Munoz Marin Intl
4h 24m
BOS6:39 pmBoston Logan Intl
Jan 3
BOS7:34 pmBoston Logan Intl
4h 07m
SJU12:41 amSan Juan Luis Munoz Marin Intl
Spirit Airlines
Jan 16
SJU10:52 amSan Juan Luis Munoz Marin Intl
4h 20m
BOS2:12 pmBoston Logan Intl
Jan 20
BOS3:43 pmBoston Logan Intl
6h 50m
1 stop
SJU11:33 pmSan Juan Luis Munoz Marin Intl

momondo Fare Finder

 
Customize your flight search to find flights from San Juan Luis Munoz Marin Intl Airport to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 5, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 2/25

4:11 pm-12:05 am

1 stop8h 54m

Boston Logan Intl

Sun 3/1

10:24 am-3:28 pm

Nonstop4h 04m

$131

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 12/23

8:00 am-11:23 am

Nonstop4h 23m

Boston Logan Intl

Sat 1/3

5:45 am-10:05 pm

1 stop15h 20m

$132

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sun 12/21

6:00 am-9:23 am

Nonstop4h 23m

Boston Logan Intl

Mon 1/5

11:55 am-10:05 pm

1 stop9h 10m

$133

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sun 12/21

6:00 am-9:23 am

Nonstop4h 23m

Boston Logan Intl

Sat 1/10

12:03 pm-8:54 am

1 stop19h 51m

$134

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 12/24

3:15 pm-6:39 pm

Nonstop4h 24m

Boston Logan Intl

Mon 1/5

7:34 pm-12:41 am

Nonstop4h 07m

$135

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sun 12/21

6:00 am-9:23 am

Nonstop4h 23m

Boston Logan Intl

Sun 1/4

8:00 pm-1:05 am

Nonstop4h 05m

$136

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 12/25

3:15 pm-6:39 pm

Nonstop4h 24m

Boston Logan Intl

Tue 12/30

7:34 pm-12:41 am

Nonstop4h 07m

$137

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Mon 12/22

4:21 pm-1:19 am

1 stop9h 58m

Boston Logan Intl

Sun 1/4

10:18 am-3:22 pm

Nonstop4h 04m

$138

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 12/25

8:00 am-11:23 am

Nonstop4h 23m

Boston Logan Intl

Mon 12/29

8:08 am-1:24 am

1 stop16h 16m

$139

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 2/27

11:52 am-11:48 pm

1 stop12h 56m

Boston Logan Intl

Sun 3/1

10:24 am-3:28 pm

Nonstop4h 04m

$140

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston from

How to get the cheapest flight ticket from San Juan Luis Munoz Marin Intl Airport to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Juan Luis Munoz Marin Intl Airport and Boston?

What is the cheapest month to fly to Boston?

In general, February is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $179. If you aren’t able to travel during the month of February, then book flights to Boston from San Juan Luis Munoz Marin Intl Airport during January instead. Flights to Boston in January, while not as cheap as those in February, still average around $189.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from San Juan Luis Munoz Marin Intl Airport to Boston is on a Saturday when prices can be found for as low as $243. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Monday is $337.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from San Juan Luis Munoz Marin Intl Airport to Boston in the afternoon for as low as $240. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around $298 per ticket.

What is the cheapest San Juan Luis Munoz Marin Intl to Boston Logan Intl flight route?

Fly from San Juan Luis Munoz Marin Intl to Boston Logan Intl for the best San Juan Luis Munoz Marin Intl - Boston Logan Intl flight prices

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from San Juan Luis Munoz Marin Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $253 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from San Juan Luis Munoz Marin Intl Airport for as low as $229 on momondo.

What cabin class options are available on San Juan Luis Munoz Marin Intl to Boston Logan Intl flights?

There are 4 cabin classes available to choose from on San Juan Luis Munoz Marin Intl to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Juan Luis Munoz Marin Intl Airport to Boston flights?

You could potentially save up to 33% on your flight if you consider stops on a San Juan Luis Munoz Marin Intl Airport to Boston flight.

How have San Juan Luis Munoz Marin Intl Airport to Boston flight prices changed over time?

As of December 2025, prices for San Juan Luis Munoz Marin Intl Airport to Boston flights are approximately 28% cheaper when compared to flights at the same time last year.

When to book flights from San Juan Luis Munoz Marin Intl Airport to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from San Juan Luis Munoz Marin Intl Airport to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Juan Luis Munoz Marin Intl Airport to Boston (SJU to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Juan Luis Munoz Marin Intl Airport to Boston

Best Price Found

$143

Fastest flight time

4h 08m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from San Juan Luis Munoz Marin Intl Airport in the past 72 hours is $143. The best round-trip flight deal from San Juan Luis Munoz Marin Intl Airport to Boston found on momondo in the last 72 hours is $143.
The fastest flight from San Juan Luis Munoz Marin Intl Airport to Boston takes 4h 08m
Direct flights go from San Juan Luis Munoz Marin Intl Airport to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)
  • How far is San Juan Luis Munoz Marin Intl to Boston Logan Intl by plane?

    The straight-line distance from San Juan Luis Munoz Marin Intl to Boston Logan Intl is 1678.1 mi. Typically, this will take 4h 08m by plane in normal conditions.

  • When did momondo last update prices for flights from San Juan Luis Munoz Marin Intl Airport to Boston Logan Intl Airport?

    Prices for flights from San Juan Luis Munoz Marin Intl Airport to Boston Logan Intl Airport refresh daily.

  • How many operators does momondo search for flights from San Juan Luis Munoz Marin Intl Airport to Boston Logan Intl Airport?

  • How old do you have to be to fly from San Juan Luis Munoz Marin Intl Airport to Boston Logan Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Juan Luis Munoz Marin Intl Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Juan Luis Munoz Marin Intl Airport to Boston?

  • What is the most popular airline from San Juan Luis Munoz Marin Intl Airport to Boston?

Best airlines flying from San Juan Luis Munoz Marin Intl Airport to Boston

Compare and see reviews for airlines that fly from San Juan Luis Munoz Marin Intl Airport to Boston with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $86Free CancellationRating
6.3
8,156 reviews
Search Spirit Airlines flights
FrontierPriceFrom $90Free CancellationRating
5.8
3,090 reviews
Search Frontier flights
DeltaPriceFrom $136Free CancellationRating
7.9
8,010 reviews
Search Delta flights
JetBluePriceFrom $184Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
  • Delta Flights From San Juan Luis Munoz Marin Intl Airport to Boston

    Delta flies from San Juan Luis Munoz Marin Intl Airport to Boston around 1 time per week, with 8,010 momondo users rating the airline 7.9/10. The cheapest Delta deal from San Juan Luis Munoz Marin Intl Airport to Boston in the last 72 hours was $136 (round-trip), much lower than the average airfare cost of $284 for Delta flights on this route.

  • JetBlue Flights From San Juan Luis Munoz Marin Intl Airport to Boston

    Another popular option for San Juan Luis Munoz Marin Intl Airport to Boston flights is JetBlue (7.2/10, 2,897 ratings). JetBlue flies from San Juan Luis Munoz Marin Intl Airport to Boston around 16 times per week, with deals starting from $184 round-trip and rising to an average price of around $315.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
South Yarmouth
Cambridge
Narragansett
Gloucester
Nashua
Falmouth
Laconia
Brockton
Concord
Everett
Sturbridge
Chatham

Why use momondo?

Why should I use momondo to find a flight deal from San Juan to Boston?

Finding the right flight to Boston from San Juan is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boston quick and easy, saving you time and money.

Can I find flights from San Juan to Boston with flexible booking policies on momondo?

Flights from San Juan to Boston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Juan to Boston?

Once you have performed a search for San Juan to Boston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Juan to Boston right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Boston from San Juan. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Sun 1/4
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