What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

How often are flights from Boston to Puerto Rico delayed?

Historically, on average around 25% of flights between Boston and Puerto Rico have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

What is the most punctual flight time for Boston to Puerto Rico flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

How many flights depart from Boston to Puerto Rico on average per day?

The number of flights available between Boston and Puerto Rico is 9 per day as of February 2026. The most frequent departure time is 6:00PM, with 42% of daily flights leaving in the evening.

What is the cheapest airline that flies from Boston Logan Intl to Puerto Rico?

Spirit Airlines, Frontier, and United Airlines are the most popular carriers operating from Boston Logan Intl to Puerto Rico

How many flights depart from Boston to Puerto Rico on average per week?

As of February 2026, there are 66 flights per week flying from Boston to Puerto Rico. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

Which airline has the best punctuality record on Boston to Puerto Rico flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

What airlines fly to Puerto Rico?

JetBlue, Delta and Spirit Airlines are the top three most popular airlines that fly to Puerto Rico from Boston according to our data. JetBlue is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 7 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.

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?

There are 7 operators available for flights from Boston Logan Intl Airport to Puerto Rico as of February 2026.

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.

$69 Cheap Flights from Boston to Puerto Rico in 2026

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Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:22 pm - 10:17 am

BOS

SJU

16h 55m

1 stop

11:52 am - 11:59 pm

SJU

BOS

13h 07m

1 stop

$143Spirit Airlines

Mon, Feb 23 - Wed, Feb 25

8:01 pm - 1:08 am

BOS

SJU

4h 07mnonstop

4:36 pm - 11:44 pm

SJU

BOS

8h 08m

1 stop

$144Spirit Airlines

Sat, Feb 28 - Thu, Mar 5

8:32 pm - 3:31 pm

BOS

SJU

17h 59m

1 stop

6:00 am - 9:19 am

SJU

BOS

4h 19mnonstop

$147Multiple Airlines

Sat, Feb 21 - Thu, Feb 26

8:32 pm - 3:31 pm

BOS

SJU

17h 59m

1 stop

6:00 am - 9:19 am

SJU

BOS

4h 19mnonstop

$150Multiple Airlines

Sat, Feb 21 - Fri, Feb 27

6:00 am - 3:06 pm

BOS

SJU

8h 06m

1 stop

6:00 am - 9:19 am

SJU

BOS

4h 19mnonstop

$151Frontier

Tue, Feb 24 - Sat, Feb 28

11:16 am - 1:43 am

BOS

BQN

14h 27m

1 stop

2:38 am - 10:21 am

BQN

BOS

7h 43m

1 stop

$192Frontier

Sat, May 9 - Mon, May 11

1:55 pm - 11:57 pm

BOS

BQN

9h 02m

1 stop

1:09 am - 7:45 am

BQN

BOS

7h 36m

1 stop

$212United Airlines

Mon, Mar 2 - Wed, Mar 4

4:15 pm - 11:57 pm

BOS

BQN

6h 42m

1 stop

1:09 am - 7:15 am

BQN

BOS

7h 06m

1 stop

$222United Airlines

Mon, Feb 23 - Thu, Feb 26

2:15 pm - 12:40 am

BOS

PSE

10h 25m

1 stop

5:10 pm - 9:03 am

PSE

BOS

15h 53m

1 stop

$349JetBlue

Tue, Mar 24 - Tue, Apr 7

2:15 pm - 12:40 am

BOS

PSE

10h 25m

1 stop

5:10 pm - 7:41 am

PSE

BOS

14h 31m

2 stops

$386JetBlue

Tue, Mar 24 - Tue, Apr 7

Spirit Airlines flights from Boston to Puerto Rico

Our best Spirit Airlines deals on Boston to Puerto Rico flight tickets

Spirit Airlines

Feb 23

BOS4:22 pmBoston Logan Intl

16h 55m

1 stop

SJU10:17 amSan Juan Luis Munoz Marin Intl

Feb 25

SJU11:52 amSan Juan Luis Munoz Marin Intl

13h 07m

1 stop

BOS11:59 pmBoston Logan Intl

$143

Spirit Airlines

Feb 8

BOS3:18 pmBoston Logan Intl

4h 06m

SJU8:24 pmSan Juan Luis Munoz Marin Intl

Feb 14

SJU11:22 amSan Juan Luis Munoz Marin Intl

4h 21m

BOS2:43 pmBoston Logan Intl

$144

Spirit Airlines

Feb 21

BOS8:32 pmBoston Logan Intl

17h 59m

1 stop

SJU3:31 pmSan Juan Luis Munoz Marin Intl

Feb 26

SJU3:30 pmSan Juan Luis Munoz Marin Intl

4h 26m

BOS6:56 pmBoston Logan Intl

$145

Frontier flights from Boston to Puerto Rico

Our best Frontier deals on Boston to Puerto Rico flight tickets

Frontier

Feb 24

BOS6:00 amBoston Logan Intl

8h 06m

1 stop

SJU3:06 pmSan Juan Luis Munoz Marin Intl

Feb 28

SJU6:00 amSan Juan Luis Munoz Marin Intl

4h 19m

BOS9:19 amBoston Logan Intl

$151

Frontier

Feb 26

BOS11:45 amBoston Logan Intl

11h 58m

1 stop

SJU12:43 amSan Juan Luis Munoz Marin Intl

Feb 27

SJU6:00 amSan Juan Luis Munoz Marin Intl

4h 19m

BOS9:19 amBoston Logan Intl

$155

Frontier

Feb 19

BOS6:00 amBoston Logan Intl

8h 01m

1 stop

SJU3:01 pmSan Juan Luis Munoz Marin Intl

Feb 26

SJU6:00 amSan Juan Luis Munoz Marin Intl

4h 19m

BOS9:19 amBoston Logan Intl

$160

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 2/23

4:22 pm-10:17 am

1 stop16h 55m

San Juan Luis Munoz Marin Intl

Wed 2/25

11:52 am-11:59 pm

1 stop13h 07m

$143

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 2/28

8:01 pm-1:08 am

Nonstop4h 07m

San Juan Luis Munoz Marin Intl

Thu 3/5

4:36 pm-11:44 pm

1 stop8h 08m

$144

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 2/21

8:32 pm-3:31 pm

1 stop17h 59m

San Juan Luis Munoz Marin Intl

Thu 2/26

6:00 am-9:19 am

Nonstop4h 19m

$147

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 2/21

8:32 pm-3:31 pm

1 stop17h 59m

San Juan Luis Munoz Marin Intl

Fri 2/27

6:00 am-9:19 am

Nonstop4h 19m

$150

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 2/24

6:00 am-3:06 pm

1 stop8h 06m

San Juan Luis Munoz Marin Intl

Sat 2/28

6:00 am-9:19 am

Nonstop4h 19m

$151

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Sat 5/9

11:16 am-1:43 am

1 stop14h 27m

Aguadilla Borinquen

Mon 5/11

2:38 am-10:21 am

1 stop7h 43m

$192

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Mon 3/2

1:55 pm-11:57 pm

1 stop9h 02m

Aguadilla Borinquen

Wed 3/4

1:09 am-7:45 am

1 stop7h 36m

$212

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Mon 2/23

4:15 pm-11:57 pm

1 stop6h 42m

Aguadilla Borinquen

Thu 2/26

1:09 am-7:15 am

1 stop7h 06m

$222

BostonPonce

BOS - PSE

BOSPSE

Boston Logan Intl

Tue 3/24

2:15 pm-12:40 am

1 stop10h 25m

Ponce Mercedita

Tue 4/7

5:10 pm-9:03 am

1 stop15h 53m

$349

BostonPonce

BOS - PSE

BOSPSE

Boston Logan Intl

Tue 3/24

2:15 pm-12:40 am

1 stop10h 25m

Ponce Mercedita

Tue 4/7

5:10 pm-7:41 am

2 stops14h 31m

$386

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

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 $301. 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 $341.

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 afternoon. Flights from Boston to Puerto Rico during this time can be as low as $290. In contrast, the most expensive time of day to depart to Puerto Rico is at noon when prices are around $334.

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 $305 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 $270 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?

No. A direct flight is the cheapest option for a flight between Boston to Puerto Rico.

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	$102
Fastest flight time	3h 56m
Direct flights	Every day
Airports in Puerto Rico	20 airports

The best one-way flight to Puerto Rico from Boston in the past 72 hours is $102. The best round-trip flight deal from Boston to Puerto Rico found on momondo in the last 72 hours is $203.

The fastest flight from Boston to Puerto Rico takes 3h 56m

Direct flights go from Boston to Puerto Rico every day.

There are 20 airports in Puerto Rico. From Boston there are direct flights to 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?
There are 7 operators available for flights from Boston Logan Intl Airport to Puerto Rico as of February 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Boston to Puerto Rico is Airbus A321neo (22.44% of total bookings). The next most popular plane models are Airbus A321-100/200 (22.40%), Airbus A320-100/200 (19.69%), and Airbus A321 (sharklets) (12.76%).

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
Frontier	PriceFrom $77	Free Cancellation	Rating 5.7 3,051 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $82	Free Cancellation	Rating 6.3 8,407 reviews	Search Spirit Airlines flights
JetBlue	PriceFrom $124	Free Cancellation	Rating 7.2 2,893 reviews	Search JetBlue flights
Delta	PriceFrom $137	Free Cancellation	Rating 7.9 8,138 reviews	Search Delta flights
United Airlines	PriceFrom $210	Free Cancellation	Rating 7.4 9,236 reviews	Search United Airlines flights
American Airlines	PriceFrom $242	Free Cancellation	Rating 7.2 11,218 reviews	Search American Airlines flights
Southwest	PriceFrom $383	Free Cancellation	Rating 8.0 4,272 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.

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Flights to San Juanfrom $59

Flights to Aguadillafrom $173

Flights to Mayagüezfrom $280

Cheap flights from Boston to Puerto Rico from $69

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 3/9. 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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Our best Spirit Airlines deals on Boston to Puerto Rico flight tickets

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Our best Frontier deals on Boston to Puerto Rico flight tickets

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

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?

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 afternoon. Flights from Boston to Puerto Rico during this time can be as low as $290. In contrast, the most expensive time of day to depart to Puerto Rico is at noon when prices are around $334.

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?

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?

No. A direct flight is the cheapest option for a flight between Boston to Puerto Rico.

What is the cheapest airline that flies from Boston Logan Intl to Puerto Rico?

Spirit Airlines, Frontier, and United Airlines are the most popular carriers operating from Boston Logan Intl to Puerto Rico

What airlines fly to Puerto Rico?

How often are flights from Boston to Puerto Rico delayed?

Historically, on average around 25% of flights between Boston and Puerto Rico have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

What is the most punctual flight time for Boston to Puerto Rico flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Boston to Puerto Rico flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

How many flights depart from Boston to Puerto Rico on average per day?

The number of flights available between Boston and Puerto Rico is 9 per day as of February 2026. The most frequent departure time is 6:00PM, with 42% of daily flights leaving in the evening.

How many flights depart from Boston to Puerto Rico on average per week?

As of February 2026, there are 66 flights per week flying from Boston to Puerto Rico. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

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

Fastest flight time

Direct flights

Airports in Puerto Rico

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

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?

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

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

Why use momondo?

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

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

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

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Boston flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

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