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Cheap flights from San Juan to Boston from $124

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 11/24. 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

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Frontier Logo
6:00 am - 9:14 amSJU-BOS
4h 14mnonstop
Frontier Logo
10:09 am - 2:57 pmBOS-SJU
3h 48mnonstop
$204Frontier
Find Deal
Tue, Dec 23 - Sun, Jan 4
JetBlue Logo
9:30 am - 3:00 pmSJU-BOS
6h 30m1 stop
JetBlue Logo
7:52 pm - 3:48 amBOS-SJU
6h 56m1 stop
$207JetBlue
Find Deal
Wed, Nov 5 - Tue, Nov 11
JetBlue Logo
9:30 am - 3:00 pmSJU-BOS
6h 30m1 stop
JetBlue Logo
7:52 pm - 3:48 amBOS-SJU
6h 56m1 stop
$212JetBlue
Find Deal
Tue, Nov 4 - Mon, Nov 10
Spirit Airlines Logo
2:59 am - 10:08 amSJU-BOS
8h 09m1 stop
Spirit Airlines Logo
6:15 am - 7:21 pmBOS-SJU
12h 06m1 stop
$216Spirit Airlines
Find Deal
Wed, Dec 3 - Mon, Dec 8
Spirit Airlines Logo
3:37 pm - 11:59 pmSJU-BOS
9h 22m1 stop
Spirit Airlines Logo
5:45 am - 8:27 pmBOS-SJU
13h 42m1 stop
$217Spirit Airlines
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Thu, Nov 13 - Thu, Nov 20
Frontier Logo
6:00 am - 9:14 amSJU-BOS
4h 14mnonstop
Frontier Logo
10:09 am - 2:57 pmBOS-SJU
3h 48mnonstop
$222Frontier
Find Deal
Tue, Dec 23 - Sun, Jan 4
Delta Logo
1:32 pm - 5:45 pmSJU-BOS
4h 13mnonstop
Delta Logo
8:15 am - 12:21 pmBOS-SJU
4h 06mnonstop
$262Delta
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Fri, Oct 24 - Tue, Oct 28
Delta Logo
6:40 pm - 1:07 amSJU-BOS
7h 27m1 stop
Delta Logo
10:20 am - 3:24 pmBOS-SJU
4h 04mnonstop
$267Delta
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Mon, Dec 22 - Thu, Jan 1
American Airlines Logo
2:47 pm - 10:54 pmSJU-BOS
9h 07m2 stops
American Airlines Logo
7:00 am - 11:52 pmBOS-SJU
15h 52m1 stop
$276American Airlines
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Tue, Nov 4 - Sun, Nov 9
American Airlines Logo
5:00 pm - 12:34 amSJU-BOS
7h 34m1 stop
American Airlines Logo
6:00 am - 3:54 pmBOS-SJU
9h 54m2 stops
$289American Airlines
Find Deal
Mon, Oct 20 - Tue, Oct 21

Frontier flights from San Juan to Boston

Our best Frontier deals on San Juan to Boston flight tickets
Frontier
Dec 23
SJU6:00 amSan Juan Luis Munoz Marin Intl
4h 14m
BOS9:14 amBoston Logan Intl
Jan 4
BOS10:09 amBoston Logan Intl
3h 48m
SJU2:57 pmSan Juan Luis Munoz Marin Intl
$204
Find similar
Frontier
Dec 23
SJU6:00 amSan Juan Luis Munoz Marin Intl
4h 14m
BOS9:14 amBoston Logan Intl
Jan 4
BOS10:09 amBoston Logan Intl
3h 48m
SJU2:57 pmSan Juan Luis Munoz Marin Intl
$222
Find similar
Frontier
Oct 22
SJU3:40 amSan Juan Luis Munoz Marin Intl
28h 53m
1 stop
BOS8:33 amBoston Logan Intl
Oct 26
BOS9:18 amBoston Logan Intl
17h 12m
1 stop
SJU2:30 amSan Juan Luis Munoz Marin Intl
$264
Find similar

Spirit Airlines flights from San Juan to Boston

Our best Spirit Airlines deals on San Juan to Boston flight tickets
Spirit Airlines
Dec 3
SJU2:59 amSan Juan Luis Munoz Marin Intl
8h 09m
1 stop
BOS10:08 amBoston Logan Intl
Dec 8
BOS6:15 amBoston Logan Intl
12h 06m
1 stop
SJU7:21 pmSan Juan Luis Munoz Marin Intl
$216
Find similar
Spirit Airlines
Nov 13
SJU3:37 pmSan Juan Luis Munoz Marin Intl
9h 22m
1 stop
BOS11:59 pmBoston Logan Intl
Nov 20
BOS5:45 amBoston Logan Intl
13h 42m
1 stop
SJU8:27 pmSan Juan Luis Munoz Marin Intl
$217
Find similar
Spirit Airlines
Dec 8
SJU6:00 amSan Juan Luis Munoz Marin Intl
18h 25m
1 stop
BOS11:25 pmBoston Logan Intl
Dec 11
BOS11:13 amBoston Logan Intl
11h 06m
1 stop
SJU11:19 pmSan Juan Luis Munoz Marin Intl
$294
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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 October 14, 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 12/23

6:00 am-9:14 am

Nonstop4h 14m

Boston Logan Intl

Sun 1/4

10:09 am-2:57 pm

Nonstop3h 48m

$204

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 11/5

9:30 am-3:00 pm

1 stop6h 30m

Boston Logan Intl

Tue 11/11

7:52 pm-3:48 am

1 stop6h 56m

$207

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 11/4

9:30 am-3:00 pm

1 stop6h 30m

Boston Logan Intl

Mon 11/10

7:52 pm-3:48 am

1 stop6h 56m

$212

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 12/3

2:59 am-10:08 am

1 stop8h 09m

Boston Logan Intl

Mon 12/8

6:15 am-7:21 pm

1 stop12h 06m

$216

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 11/13

3:37 pm-11:59 pm

1 stop9h 22m

Boston Logan Intl

Thu 11/20

5:45 am-8:27 pm

1 stop13h 42m

$217

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 12/23

6:00 am-9:14 am

Nonstop4h 14m

Boston Logan Intl

Sun 1/4

10:09 am-2:57 pm

Nonstop3h 48m

$222

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 10/24

1:32 pm-5:45 pm

Nonstop4h 13m

Boston Logan Intl

Tue 10/28

8:15 am-12:21 pm

Nonstop4h 06m

$262

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Mon 12/22

6:40 pm-1:07 am

1 stop7h 27m

Boston Logan Intl

Thu 1/1

10:20 am-3:24 pm

Nonstop4h 04m

$267

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 11/4

2:47 pm-10:54 pm

2 stops9h 07m

Boston Logan Intl

Sun 11/9

7:00 am-11:52 pm

1 stop15h 52m

$276

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Mon 10/20

5:00 pm-12:34 am

1 stop7h 34m

Boston Logan Intl

Tue 10/21

6:00 am-3:54 pm

2 stops9h 54m

$289

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 typical price of a round-trip flight between San Juan and Boston?

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 $169. 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 $175.

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 Saturday when prices can be found for as low as $244. 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 $327.

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 to Boston in the afternoon for as low as $241. 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 $281 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 $247 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 $211 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 $84Free CancellationRating
5.8
3,136 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $85Free CancellationRating
6.3
8,094 reviews
Search Spirit Airlines flights
DeltaPriceFrom $140Free CancellationRating
7.9
7,972 reviews
Search Delta flights
JetBluePriceFrom $173Free CancellationRating
7.2
2,905 reviews
Search JetBlue 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
Gloucester
Brockton
Laconia
Falmouth
Concord
Everett
Chatham
Sturbridge

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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