Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Puerto Rico from $102

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Puerto Rico 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.
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 Boston to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
5:28 am - 3:35 pmBOS-SJU
9h 07m1 stop
Spirit Airlines Logo
4:40 pm - 11:57 pmSJU-BOS
8h 17m1 stop
$196Spirit Airlines
Find Deal
Tue, Jan 27 - Wed, Feb 4
Spirit Airlines Logo
10:56 am - 12:16 amBOS-SJU
12h 20m1 stop
Spirit Airlines Logo
4:10 am - 10:50 amSJU-BOS
7h 40m1 stop
$209Spirit Airlines
Find Deal
Wed, Dec 10 - Fri, Dec 19
Frontier Logo
6:00 am - 3:06 pmBOS-SJU
8h 06m1 stop
Frontier Logo
6:00 am - 9:23 amSJU-BOS
4h 23mnonstop
$210Frontier
Find Deal
Wed, Feb 11 - Sun, Feb 15
Frontier Logo
6:00 am - 3:06 pmBOS-SJU
8h 06m1 stop
Frontier Logo
6:00 am - 9:23 amSJU-BOS
4h 23mnonstop
$211Frontier
Find Deal
Wed, Feb 11 - Sun, Feb 15
Multiple Airlines Logo
10:56 am - 12:16 amBOS-SJU
12h 20m1 stop
Multiple Airlines Logo
3:21 pm - 10:42 amSJU-BOS
44h 21m2 stops
$214Multiple Airlines
Find Deal
Tue, Dec 9 - Thu, Dec 18
Multiple Airlines Logo
12:40 pm - 5:44 pmBOS-SJU
4h 04mnonstop
Multiple Airlines Logo
10:52 am - 2:12 pmSJU-BOS
4h 20mnonstop
$217Multiple Airlines
Find Deal
Thu, Jan 8 - Mon, Jan 12
United Airlines Logo
7:45 am - 11:57 pmBOS-BQN
15h 12m2 stops
United Airlines Logo
1:09 am - 7:45 amBQN-BOS
7h 36m1 stop
$271United Airlines
Find Deal
Mon, Mar 2 - Thu, Mar 5
United Airlines Logo
1:55 pm - 11:57 pmBOS-BQN
9h 02m1 stop
United Airlines Logo
1:09 am - 10:36 amBQN-BOS
10h 27m2 stops
$282United Airlines
Find Deal
Mon, Feb 16 - Fri, Feb 27
JetBlue Logo
2:16 pm - 12:44 amBOS-BQN
9h 28m1 stop
JetBlue Logo
6:01 am - 2:14 pmBQN-BOS
9h 13m1 stop
$297JetBlue
Find Deal
Mon, Mar 2 - Fri, Mar 6
JetBlue Logo
5:01 am - 1:16 pmBOS-VQS
7h 15m1 stop
JetBlue Logo
4:13 pm - 11:47 pmVQS-BOS
8h 34m1 stop
$455JetBlue
Find Deal
Tue, Dec 23 - Thu, Jan 1

Spirit Airlines flights from Boston to Puerto Rico

Our best Spirit Airlines deals on Boston to Puerto Rico flight tickets
Spirit Airlines
Jan 28
BOS5:28 amBoston Logan Intl
9h 07m
1 stop
SJU3:35 pmSan Juan Luis Munoz Marin Intl
Feb 11
SJU4:40 pmSan Juan Luis Munoz Marin Intl
8h 17m
1 stop
BOS11:57 pmBoston Logan Intl
$196
Find similar
Spirit Airlines
Jan 5
BOS11:55 amBoston Logan Intl
9h 10m
1 stop
SJU10:05 pmSan Juan Luis Munoz Marin Intl
Feb 5
SJU4:40 pmSan Juan Luis Munoz Marin Intl
8h 17m
1 stop
BOS11:57 pmBoston Logan Intl
$197
Find similar
Spirit Airlines
Feb 25
BOS5:40 amBoston Logan Intl
8h 51m
1 stop
SJU3:31 pmSan Juan Luis Munoz Marin Intl
Mar 2
SJU10:52 amSan Juan Luis Munoz Marin Intl
4h 20m
BOS2:12 pmBoston Logan Intl
$198
Find similar

Frontier flights from Boston to Puerto Rico

Our best Frontier deals on Boston to Puerto Rico flight tickets
Frontier
Jan 11
BOS12:40 pmBoston Logan Intl
4h 04m
SJU5:44 pmSan Juan Luis Munoz Marin Intl
Jan 16
SJU3:58 amSan Juan Luis Munoz Marin Intl
8h 12m
1 stop
BOS11:10 amBoston Logan Intl
$207
Find similar
Frontier
Feb 11
BOS6:00 amBoston Logan Intl
8h 06m
1 stop
SJU3:06 pmSan Juan Luis Munoz Marin Intl
Feb 13
SJU6:00 amSan Juan Luis Munoz Marin Intl
4h 23m
BOS9:23 amBoston Logan Intl
$210
Find similar
Frontier
Feb 11
BOS6:00 amBoston Logan Intl
8h 06m
1 stop
SJU3:06 pmSan Juan Luis Munoz Marin Intl
Feb 15
SJU6:00 amSan Juan Luis Munoz Marin Intl
4h 23m
BOS9:23 amBoston Logan Intl
$211
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Puerto Rico 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 17, 2025.
Use the filters below to find and compare flights from Boston to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 1/27

5:28 am-3:35 pm

1 stop9h 07m

San Juan Luis Munoz Marin Intl

Wed 2/4

4:40 pm-11:57 pm

1 stop8h 17m

$196

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 12/10

10:56 am-12:16 am

1 stop12h 20m

San Juan Luis Munoz Marin Intl

Fri 12/19

4:10 am-10:50 am

1 stop7h 40m

$209

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 2/11

6:00 am-3:06 pm

1 stop8h 06m

San Juan Luis Munoz Marin Intl

Sun 2/15

6:00 am-9:23 am

Nonstop4h 23m

$210

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 2/11

6:00 am-3:06 pm

1 stop8h 06m

San Juan Luis Munoz Marin Intl

Sun 2/15

6:00 am-9:23 am

Nonstop4h 23m

$211

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 12/9

10:56 am-12:16 am

1 stop12h 20m

San Juan Luis Munoz Marin Intl

Thu 12/18

3:21 pm-10:42 am

2 stops44h 21m

$214

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Thu 1/8

12:40 pm-5:44 pm

Nonstop4h 04m

San Juan Luis Munoz Marin Intl

Mon 1/12

10:52 am-2:12 pm

Nonstop4h 20m

$217

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Mon 3/2

7:45 am-11:57 pm

2 stops15h 12m

Aguadilla Borinquen

Thu 3/5

1:09 am-7:45 am

1 stop7h 36m

$271

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Mon 2/16

1:55 pm-11:57 pm

1 stop9h 02m

Aguadilla Borinquen

Fri 2/27

1:09 am-10:36 am

2 stops10h 27m

$282

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Mon 3/2

2:16 pm-12:44 am

1 stop9h 28m

Aguadilla Borinquen

Fri 3/6

6:01 am-2:14 pm

1 stop9h 13m

$297

BostonVieques

BOS - VQS

BOSVQS

Boston Logan Intl

Tue 12/23

5:01 am-1:16 pm

1 stop7h 15m

Vieques

Thu 1/1

4:13 pm-11:47 pm

1 stop8h 34m

$455

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Boston to Puerto Rico

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 Puerto Rico?

If you don’t want to visit Puerto Rico in January, then you should wait until March to fly from Boston, when ticket prices are also cheap, with an average price of $264.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Boston is on a Monday. momondo users have found tickets for Monday departures for as low as $296. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Friday, with ticket prices averaging around $338.

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

Our most recent data shows that the best time of day to fly to Puerto Rico is in the morning. Flights from Boston to Puerto Rico during this time can be as low as $313. In contrast, the most expensive time of day to depart to Puerto Rico is at noon when prices are around $348.

What is the cheapest Boston Logan Intl to Puerto Rico flight route?

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

How far in advance should I book a flight to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $300 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Boston for as low as $254 on momondo.

What cabin class options are available on Boston Logan Intl to Puerto Rico flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Puerto Rico 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 Boston to Puerto Rico flights?

You could potentially save up to 9% on your flight if you consider stops on a Boston to Puerto Rico flight.

Cheap Boston to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Puerto Rico

Best Price Found

$166

Fastest flight time

3h 57m

Direct flights

Every day

Airports in Puerto Rico

1 airport
The best one-way flight to Puerto Rico from Boston in the past 72 hours is $166. The best round-trip flight deal from Boston to Puerto Rico found on momondo in the last 72 hours is $262.
The fastest flight from Boston to Puerto Rico takes 3h 57m
Direct flights go from Boston to Puerto Rico every day.
There is 1 airport near Puerto Rico: San Juan Luis Munoz Marin Intl (SJU)
Search flight deals

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

    Prices for flights from Boston Logan Intl Airport to Puerto Rico were last updated today.

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

  • How old do you have to be to fly from Boston Logan Intl Airport to Puerto Rico?

    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 Boston Logan Intl Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The travel and health documents required for your trip to Puerto Rico can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Puerto Rico. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Boston to Puerto Rico?

Best airlines flying from Boston to Puerto Rico

Compare and see reviews for airlines that fly from Boston to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $59Free CancellationRating
5.8
3,106 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $100Free CancellationRating
6.3
8,144 reviews
Search Spirit Airlines flights
DeltaPriceFrom $144Free CancellationRating
7.9
8,006 reviews
Search Delta flights
JetBluePriceFrom $172Free CancellationRating
7.2
2,903 reviews
Search JetBlue flights
United AirlinesPriceFrom $190Free CancellationRating
7.4
9,014 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
SouthwestPriceFrom $383Free CancellationRating
8.0
4,244 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Puerto Rico?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Puerto Rico. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Puerto Rico with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Puerto Rico from Boston with this policy.

How can momondo help me find flights from Boston to Puerto Rico?

momondo helps you find the best flight between Boston and Puerto Rico by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Puerto Rico, momondo offers a useful price alert feature which will track prices for flights to Puerto Rico from Boston and alert you when they change.

An easier way to manage your Puerto Rico 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
Wed 12/17
Wed 12/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo
Flights to San Juanfrom $87
Flights to Aguadillafrom $168
Flights to Mayagüezfrom $297