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Cheap flights from San Juan to Boston from $114

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 to Boston departing on 10/6. 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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0 bags

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Cheap round-trip flights

Spirit Airlines Logo
5:27 pm - 8:34 pmSJU-BOS
4h 07mnonstop
Spirit Airlines Logo
11:13 am - 4:07 pmBOS-SJU
3h 54mnonstop
$176Spirit Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 10
Spirit Airlines Logo
5:27 pm - 8:34 pmSJU-BOS
4h 07mnonstop
Spirit Airlines Logo
11:13 am - 4:07 pmBOS-SJU
3h 54mnonstop
$193Spirit Airlines
Find Deal
Wed, Feb 4 - Sat, Feb 7
Spirit Airlines Logo
5:27 pm - 8:34 pmSJU-BOS
4h 07mnonstop
Spirit Airlines Logo
9:39 pm - 9:52 amBOS-SJU
11h 13m1 stop
$197Spirit Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 10
American Airlines Logo
7:00 pm - 11:54 amSJU-BOS
16h 54m1 stop
American Airlines Logo
3:00 pm - 11:54 pmBOS-SJU
8h 54m2 stops
$200American Airlines
Find Deal
Fri, Oct 17 - Sat, Oct 18
American Airlines Logo
6:10 am - 6:49 pmSJU-BOS
12h 39m2 stops
American Airlines Logo
5:47 am - 12:47 pmBOS-SJU
7h 00m1 stop
$231American Airlines
Find Deal
Sat, Sep 27 - Sun, Sep 28
Logo
1:06 pm - 8:43 amSJU-BOS
19h 37m1 stop
Logo
12:20 pm - 8:56 pmBOS-SJU
8h 36m1 stop
$234
Find Deal
Wed, Sep 24 - Sat, Sep 27
Logo
2:49 am - 1:20 pmSJU-BOS
10h 31m1 stop
Logo
6:16 am - 2:02 amBOS-SJU
43h 46m2 stops
$237
Find Deal
Mon, Oct 6 - Tue, Oct 14
Frontier Logo
12:28 am - 8:43 amSJU-BOS
8h 15m1 stop
Frontier Logo
10:53 am - 9:56 amBOS-SJU
23h 03m2 stops
$256Frontier
Find Deal
Wed, Sep 24 - Fri, Sep 26
JetBlue Logo
8:22 pm - 12:24 amSJU-BOS
4h 02mnonstop
JetBlue Logo
1:55 pm - 5:57 pmBOS-SJU
4h 02mnonstop
$266JetBlue
Find Deal
Fri, Oct 24 - Tue, Oct 28
JetBlue Logo
12:51 pm - 5:03 pmSJU-BOS
4h 12mnonstop
JetBlue Logo
7:40 am - 12:44 pmBOS-SJU
4h 04mnonstop
$267JetBlue
Find Deal
Thu, Oct 30 - Sun, Nov 2

Frontier flights from San Juan to Boston

Our best Frontier deals on San Juan to Boston flight tickets
Frontier
Sep 24
SJU12:28 amSan Juan Luis Munoz Marin Intl
8h 15m
1 stop
BOS8:43 amBoston Logan Intl
Sep 26
BOS10:53 amBoston Logan Intl
23h 03m
2 stops
SJU9:56 amSan Juan Luis Munoz Marin Intl
$256
Find similar
Frontier
Sep 19
SJU8:00 amSan Juan Luis Munoz Marin Intl
24h 11m
1 stop
BOS8:11 amBoston Logan Intl
Sep 21
BOS10:13 amBoston Logan Intl
29h 09m
1 stop
SJU3:22 pmSan Juan Luis Munoz Marin Intl
$264
Find similar
Frontier
Sep 24
SJU12:28 amSan Juan Luis Munoz Marin Intl
11h 36m
2 stops
BOS12:04 pmBoston Logan Intl
Sep 26
BOS10:53 amBoston Logan Intl
23h 03m
2 stops
SJU9:56 amSan Juan Luis Munoz Marin Intl
$312
Find similar

JetBlue flights from San Juan to Boston

Our best JetBlue deals on San Juan to Boston flight tickets
JetBlue
Oct 24
SJU8:22 pmSan Juan Luis Munoz Marin Intl
4h 02m
BOS12:24 amBoston Logan Intl
Oct 28
BOS1:55 pmBoston Logan Intl
4h 02m
SJU5:57 pmSan Juan Luis Munoz Marin Intl
$266
Find similar
JetBlue
Oct 30
SJU12:51 pmSan Juan Luis Munoz Marin Intl
4h 12m
BOS5:03 pmBoston Logan Intl
Nov 2
BOS7:40 amBoston Logan Intl
4h 04m
SJU12:44 pmSan Juan Luis Munoz Marin Intl
$267
Find similar
JetBlue
Sep 19
SJU7:55 pmSan Juan Luis Munoz Marin Intl
4h 02m
BOS11:57 pmBoston Logan Intl
Sep 23
BOS8:00 amBoston Logan Intl
4h 17m
SJU12:17 pmSan Juan Luis Munoz Marin Intl
$268
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Juan 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 September 11, 2025.
Use the filters below to find and compare flights from San Juan 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

Tue 2/3

5:27 pm-8:34 pm

Nonstop4h 07m

Boston Logan Intl

Tue 2/10

11:13 am-4:07 pm

Nonstop3h 54m

$176

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 2/4

5:27 pm-8:34 pm

Nonstop4h 07m

Boston Logan Intl

Sat 2/7

11:13 am-4:07 pm

Nonstop3h 54m

$193

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 2/3

5:27 pm-8:34 pm

Nonstop4h 07m

Boston Logan Intl

Tue 2/10

9:39 pm-9:52 am

1 stop11h 13m

$197

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 10/17

7:00 pm-11:54 am

1 stop16h 54m

Boston Logan Intl

Sat 10/18

3:00 pm-11:54 pm

2 stops8h 54m

$200

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sat 9/27

6:10 am-6:49 pm

2 stops12h 39m

Boston Logan Intl

Sun 9/28

5:47 am-12:47 pm

1 stop7h 00m

$231

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 9/24

1:06 pm-8:43 am

1 stop19h 37m

Boston Logan Intl

Sat 9/27

12:20 pm-8:56 pm

1 stop8h 36m

$234

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Mon 10/6

2:49 am-1:20 pm

1 stop10h 31m

Boston Logan Intl

Tue 10/14

6:16 am-2:02 am

2 stops43h 46m

$237

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 9/24

12:28 am-8:43 am

1 stop8h 15m

Boston Logan Intl

Fri 9/26

10:53 am-9:56 am

2 stops23h 03m

$256

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 10/24

8:22 pm-12:24 am

Nonstop4h 02m

Boston Logan Intl

Tue 10/28

1:55 pm-5:57 pm

Nonstop4h 02m

$266

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 10/30

12:51 pm-5:03 pm

Nonstop4h 12m

Boston Logan Intl

Sun 11/2

7:40 am-12:44 pm

Nonstop4h 04m

$267

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 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 cheapest month to fly to Boston?

In general, February is the cheapest month to fly from San Juan to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $180. If you aren’t able to travel during the month of February, then book flights to Boston from San Juan during January instead. Flights to Boston in January, while not as cheap as those in February, still average around $182.

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

The cheapest day to depart from San Juan to Boston is on a Friday when prices can be found for as low as $228. 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 $293.

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 evening. momondo users have found flights departing from San Juan to Boston in the evening for as low as $229. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Boston, so prices are often more expensive at around $270 per ticket.

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

Fly from San Juan Luis Munoz Marin Intl to Boston Logan Intl for the best San Juan - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $231 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 for as low as $175 on momondo.

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

There are 4 cabin classes available to choose from on San Juan 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.

Cheap San Juan to Boston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Juan to Boston

Fastest flight time

4h 02m

Direct flights

Every day

Airports in Boston

1 airport
The fastest flight from San Juan to Boston takes 4h 02m
Direct flights go from San Juan to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)
Search flight deals

  • How far is San Juan to Boston Logan Intl by plane?

    San Juan and Boston Logan Intl are 1675.2 mi apart from one another. Typically, this will take 4h 02m by plane in normal conditions.

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

    Prices for flights from San Juan to Boston Logan Intl Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Juan 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.

Best airlines flying from San Juan to Boston

Compare and see reviews for airlines that fly from San Juan to Boston with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $72Free CancellationRating
5.8
3,177 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $76Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
JetBluePriceFrom $135Free CancellationRating
7.2
2,913 reviews
Search JetBlue flights
DeltaPriceFrom $136Free CancellationRating
7.9
7,960 reviews
Search Delta flights

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
Cambridge
South Yarmouth
Narragansett
Nashua
Brockton
Gloucester
Laconia
Falmouth
Concord
Everett
Wells
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?

Yes. momondo allows you to filter the results for San Juan to Boston flights to just show those with flexible booking policies.

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?

Of course. momondo tracks the price of San Juan to Boston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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