Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from San Juan to Boston from $117

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 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Juan to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:00 pm - 9:27 amSJU-BOS
17h 27m1 stop
Multiple Airlines Logo
12:43 pm - 5:47 pmBOS-SJU
4h 04mnonstop
$228Multiple Airlines
Find Deal
Sat, Dec 13 - Tue, Jan 6
Frontier Logo
4:31 pm - 10:22 amSJU-BOS
18h 51m1 stop
Frontier Logo
12:18 pm - 5:22 pmBOS-SJU
4h 04mnonstop
$229Frontier
Find Deal
Wed, Dec 10 - Thu, Jan 1
Spirit Airlines Logo
6:14 pm - 11:56 pmSJU-BOS
6h 42m1 stop
Spirit Airlines Logo
11:55 am - 10:05 pmBOS-SJU
9h 10m1 stop
$230Spirit Airlines
Find Deal
Fri, Dec 12 - Mon, Jan 5
Frontier Logo
6:01 am - 12:44 amSJU-BOS
19h 43m1 stop
Frontier Logo
6:00 am - 1:06 amBOS-SJU
18h 06m1 stop
$231Frontier
Find Deal
Wed, Nov 26 - Sat, Nov 29
Multiple Airlines Logo
7:33 pm - 9:42 amSJU-BOS
39h 09m2 stops
Multiple Airlines Logo
7:34 pm - 12:41 amBOS-SJU
4h 07mnonstop
$232Multiple Airlines
Find Deal
Sun, Dec 21 - Fri, Jan 2
Multiple Airlines Logo
8:00 am - 11:56 pmSJU-BOS
16h 56m2 stops
Multiple Airlines Logo
7:34 pm - 12:41 amBOS-SJU
4h 07mnonstop
$233Multiple Airlines
Find Deal
Sat, Dec 13 - Sun, Jan 4
Multiple Airlines Logo
4:10 am - 9:27 amSJU-BOS
30h 17m2 stops
Multiple Airlines Logo
11:55 am - 10:05 pmBOS-SJU
9h 10m1 stop
$234Multiple Airlines
Find Deal
Fri, Dec 12 - Mon, Jan 5
Multiple Airlines Logo
5:00 pm - 9:27 amSJU-BOS
17h 27m1 stop
Multiple Airlines Logo
7:34 pm - 12:41 amBOS-SJU
4h 07mnonstop
$235Multiple Airlines
Find Deal
Sat, Dec 13 - Wed, Jan 7
Multiple Airlines Logo
8:00 am - 11:23 amSJU-BOS
4h 23mnonstop
Multiple Airlines Logo
8:08 am - 11:58 amBOS-SJU
50h 50m2 stops
$236Multiple Airlines
Find Deal
Thu, Dec 25 - Mon, Dec 29
Frontier Logo
4:31 pm - 10:22 amSJU-BOS
18h 51m1 stop
Frontier Logo
12:43 pm - 5:47 pmBOS-SJU
4h 04mnonstop
$237Frontier
Find Deal
Wed, Dec 10 - Tue, Jan 6

Frontier flights from San Juan to Boston

Our best Frontier deals on San Juan to Boston flight tickets
Frontier
Dec 10
SJU4:31 pmSan Juan Luis Munoz Marin Intl
18h 51m
1 stop
BOS10:22 amBoston Logan Intl
Jan 1
BOS12:18 pmBoston Logan Intl
4h 04m
SJU5:22 pmSan Juan Luis Munoz Marin Intl
$229
Find similar
Frontier
Nov 26
SJU6:01 amSan Juan Luis Munoz Marin Intl
19h 43m
1 stop
BOS12:44 amBoston Logan Intl
Nov 29
BOS6:00 amBoston Logan Intl
18h 06m
1 stop
SJU1:06 amSan Juan Luis Munoz Marin Intl
$231
Find similar
Frontier
Nov 26
SJU6:01 amSan Juan Luis Munoz Marin Intl
19h 43m
1 stop
BOS12:44 amBoston Logan Intl
Nov 29
BOS6:00 amBoston Logan Intl
18h 06m
1 stop
SJU1:06 amSan Juan Luis Munoz Marin Intl
$233
Find similar

JetBlue flights from San Juan to Boston

Our best JetBlue deals on San Juan to Boston flight tickets
JetBlue
Dec 5
SJU3:40 pmSan Juan Luis Munoz Marin Intl
9h 23m
1 stop
BOS12:03 amBoston Logan Intl
Dec 8
BOS6:55 pmBoston Logan Intl
3h 59m
SJU11:54 pmSan Juan Luis Munoz Marin Intl
$239
Find similar
JetBlue
Nov 27
SJU6:06 amSan Juan Luis Munoz Marin Intl
4h 09m
BOS9:15 amBoston Logan Intl
Nov 30
BOS3:10 pmBoston Logan Intl
3h 59m
SJU8:09 pmSan Juan Luis Munoz Marin Intl
$246
Find similar
JetBlue
Dec 16
SJU6:10 amSan Juan Luis Munoz Marin Intl
4h 09m
BOS9:19 amBoston Logan Intl
Dec 31
BOS7:55 pmBoston Logan Intl
4h 04m
SJU12:59 amSan Juan Luis Munoz Marin Intl
$250
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 November 13, 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

Sat 12/13

5:00 pm-9:27 am

1 stop17h 27m

Boston Logan Intl

Tue 1/6

12:43 pm-5:47 pm

Nonstop4h 04m

$228

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 12/10

4:31 pm-10:22 am

1 stop18h 51m

Boston Logan Intl

Thu 1/1

12:18 pm-5:22 pm

Nonstop4h 04m

$229

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 12/12

6:14 pm-11:56 pm

1 stop6h 42m

Boston Logan Intl

Mon 1/5

11:55 am-10:05 pm

1 stop9h 10m

$230

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 11/26

6:01 am-12:44 am

1 stop19h 43m

Boston Logan Intl

Sat 11/29

6:00 am-1:06 am

1 stop18h 06m

$231

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sun 12/21

7:33 pm-9:42 am

2 stops39h 09m

Boston Logan Intl

Fri 1/2

7:34 pm-12:41 am

Nonstop4h 07m

$232

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sat 12/13

8:00 am-11:56 pm

2 stops16h 56m

Boston Logan Intl

Sun 1/4

7:34 pm-12:41 am

Nonstop4h 07m

$233

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 12/12

4:10 am-9:27 am

2 stops30h 17m

Boston Logan Intl

Mon 1/5

11:55 am-10:05 pm

1 stop9h 10m

$234

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sat 12/13

5:00 pm-9:27 am

1 stop17h 27m

Boston Logan Intl

Wed 1/7

7:34 pm-12:41 am

Nonstop4h 07m

$235

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-11:58 am

2 stops50h 50m

$236

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 12/10

4:31 pm-10:22 am

1 stop18h 51m

Boston Logan Intl

Tue 1/6

12:43 pm-5:47 pm

Nonstop4h 04m

$237

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $178. 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 Saturday when prices can be found for as low as $239. 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 $342.

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 $242. 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 $288 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 $251 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 $223 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 05m

Direct flights

Every day

Airports in Boston

1 airport
The fastest flight from San Juan to Boston takes 4h 05m
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 09m 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
Spirit AirlinesPriceFrom $76Free CancellationRating
6.3
8,139 reviews
Search Spirit Airlines flights
FrontierPriceFrom $86Free CancellationRating
5.8
3,111 reviews
Search Frontier flights
DeltaPriceFrom $141Free CancellationRating
7.9
8,008 reviews
Search Delta flights
JetBluePriceFrom $181Free CancellationRating
7.2
2,907 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
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?

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.

An easier way to manage your Boston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/13
Sat 12/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States