How often are flights from Boston to Puerto Rico delayed?

Historically, on average around 24% 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 144 minutes.

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

As of November 2025, there are 63 flights per week flying from Boston to Puerto Rico. The most common day of the week flights depart is Wed, with 27% 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 17% of their flights experiencing any sort of delay.

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

JetBlue, 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 day?

The number of flights available between Boston and Puerto Rico is 9 per day as of November 2025. The most frequent departure time is 8:00PM, with 32% of daily flights leaving in the evening.

What airlines fly to Puerto Rico?

JetBlue, Delta and Frontier 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 53% 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.

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 at night have, in the past, seen delays more frequently in comparison.

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 November 2025.

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.

$108 Cheap Flights from Boston to Puerto Rico in 2025/26

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10:52 am - 12:49 amBOS-SJU

36h 57m2 stops

8:00 am - 11:23 amSJU-BOS

4h 23mnonstop

$181Frontier

Find Deal

Fri, Dec 12 - Thu, Dec 18

7:34 pm - 12:41 amBOS-SJU

4h 07mnonstop

3:55 am - 10:46 amSJU-BOS

7h 51m1 stop

$182Multiple Airlines

Find Deal

Wed, Jan 7 - Sun, Jan 11

3:18 pm - 8:24 pmBOS-SJU

4h 06mnonstop

10:52 am - 2:12 pmSJU-BOS

4h 20mnonstop

$183Spirit Airlines

Find Deal

Fri, Jan 9 - Fri, Jan 16

6:55 pm - 11:54 pmBOS-SJU

3h 59mnonstop

6:10 am - 9:19 amSJU-BOS

4h 09mnonstop

$184JetBlue

Find Deal

Tue, Dec 2 - Wed, Dec 10

6:00 am - 3:06 pmBOS-SJU

8h 06m1 stop

11:05 am - 10:11 amSJU-BOS

24h 06m1 stop

$185Frontier

Find Deal

Tue, Feb 10 - Thu, Feb 12

6:55 pm - 11:54 pmBOS-SJU

3h 59mnonstop

1:41 pm - 4:54 pmSJU-BOS

4h 13mnonstop

$186JetBlue

Find Deal

Wed, Dec 10 - Fri, Dec 12

3:18 pm - 8:24 pmBOS-SJU

4h 06mnonstop

6:00 am - 2:38 pmSJU-BOS

9h 38m1 stop

$187Spirit Airlines

Find Deal

Mon, Feb 2 - Tue, Feb 3

3:43 pm - 11:32 pmBOS-SJU

6h 49m1 stop

4:22 pm - 1:13 amSJU-BOS

9h 51m1 stop

$188Multiple Airlines

Find Deal

Wed, Jan 28 - Mon, Feb 9

3:43 pm - 11:32 pmBOS-SJU

6h 49m1 stop

6:11 pm - 1:13 amSJU-BOS

8h 02m1 stop

$189Multiple Airlines

Find Deal

Sat, Jan 17 - Sat, Jan 24

10:30 am - 11:57 pmBOS-BQN

12h 27m2 stops

1:09 am - 9:14 amBQN-BOS

9h 05m1 stop

$271United Airlines

Find Deal

Tue, Jan 6 - Wed, Jan 28

Frontier flights from Boston to Puerto Rico

Our best Frontier deals on Boston to Puerto Rico flight tickets

Frontier

Dec 12

BOS10:52 amBoston Logan Intl

36h 57m

2 stops

SJU12:49 amSan Juan Luis Munoz Marin Intl

Dec 18

SJU8:00 amSan Juan Luis Munoz Marin Intl

4h 23m

BOS11:23 amBoston Logan Intl

$181

Find similar

Frontier

Feb 10

BOS6:00 amBoston Logan Intl

8h 06m

1 stop

SJU3:06 pmSan Juan Luis Munoz Marin Intl

Feb 12

SJU11:05 amSan Juan Luis Munoz Marin Intl

24h 06m

1 stop

BOS10:11 amBoston Logan Intl

$185

Find similar

Frontier

Feb 26

BOS10:24 amBoston Logan Intl

4h 04m

SJU3:28 pmSan Juan Luis Munoz Marin Intl

Mar 4

SJU4:11 pmSan Juan Luis Munoz Marin Intl

8h 54m

1 stop

BOS12:05 amBoston Logan Intl

$187

Find similar

Spirit Airlines flights from Boston to Puerto Rico

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

Spirit Airlines

Jan 9

BOS3:18 pmBoston Logan Intl

4h 06m

SJU8:24 pmSan Juan Luis Munoz Marin Intl

Jan 16

SJU10:52 amSan Juan Luis Munoz Marin Intl

4h 20m

BOS2:12 pmBoston Logan Intl

$183

Find similar

Spirit Airlines

Dec 6

BOS10:56 amBoston Logan Intl

12h 20m

1 stop

SJU12:16 amSan Juan Luis Munoz Marin Intl

Dec 8

SJU6:14 pmSan Juan Luis Munoz Marin Intl

6h 42m

1 stop

BOS11:56 pmBoston Logan Intl

$192

Find similar

Spirit Airlines

Jan 17

BOS3:43 pmBoston Logan Intl

17h 04m

1 stop

SJU9:47 amSan Juan Luis Munoz Marin Intl

Jan 20

SJU6:00 amSan Juan Luis Munoz Marin Intl

9h 38m

1 stop

BOS2:38 pmBoston Logan Intl

$196

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 12/12

10:52 am-12:49 am

2 stops36h 57m

San Juan Luis Munoz Marin Intl

Thu 12/18

8:00 am-11:23 am

Nonstop4h 23m

$181

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 1/7

7:34 pm-12:41 am

Nonstop4h 07m

San Juan Luis Munoz Marin Intl

Sun 1/11

3:55 am-10:46 am

1 stop7h 51m

$182

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 1/9

3:18 pm-8:24 pm

Nonstop4h 06m

San Juan Luis Munoz Marin Intl

Fri 1/16

10:52 am-2:12 pm

Nonstop4h 20m

$183

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 12/2

6:55 pm-11:54 pm

Nonstop3h 59m

San Juan Luis Munoz Marin Intl

Wed 12/10

6:10 am-9:19 am

Nonstop4h 09m

$184

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 2/10

6:00 am-3:06 pm

1 stop8h 06m

San Juan Luis Munoz Marin Intl

Thu 2/12

11:05 am-10:11 am

1 stop24h 06m

$185

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 12/10

6:55 pm-11:54 pm

Nonstop3h 59m

San Juan Luis Munoz Marin Intl

Fri 12/12

1:41 pm-4:54 pm

Nonstop4h 13m

$186

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 2/2

3:18 pm-8:24 pm

Nonstop4h 06m

San Juan Luis Munoz Marin Intl

Tue 2/3

6:00 am-2:38 pm

1 stop9h 38m

$187

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 1/28

3:43 pm-11:32 pm

1 stop6h 49m

San Juan Luis Munoz Marin Intl

Mon 2/9

4:22 pm-1:13 am

1 stop9h 51m

$188

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 1/17

3:43 pm-11:32 pm

1 stop6h 49m

San Juan Luis Munoz Marin Intl

Sat 1/24

6:11 pm-1:13 am

1 stop8h 02m

$189

BostonAguadilla

BOS - BQN

BOSBQN

Boston Logan Intl

Tue 1/6

10:30 am-11:57 pm

2 stops12h 27m

Aguadilla Borinquen

Wed 1/28

1:09 am-9:14 am

1 stop9h 05m

$271

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 $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 $256 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	$151
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 $151. 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?
There are 7 operators available for flights from Boston Logan Intl Airport to Puerto Rico as of November 2025.
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 (38.26% of total bookings). The next most popular plane models are Airbus A321-100/200 (23.09%), Airbus A320-100/200 (21.62%), and Airbus A220-300 (8.33%).

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 $59	Free Cancellation	Rating 5.8 3,099 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $100	Free Cancellation	Rating 6.3 8,158 reviews	Search Spirit Airlines flights
Delta	PriceFrom $144	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
JetBlue	PriceFrom $172	Free Cancellation	Rating 7.2 2,905 reviews	Search JetBlue flights
United Airlines	PriceFrom $190	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights
Southwest	PriceFrom $383	Free Cancellation	Rating 8.0 4,254 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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Popular cities in Puerto Rico

Flights to San Juanfrom $96

Flights to Aguadillafrom $166

Flights to Mayagüezfrom $302

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Cheap flights from Boston to Puerto Rico from $108

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 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.

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Frontier flights from Boston to Puerto Rico

Our best Frontier deals on Boston to Puerto Rico flight tickets

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

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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?

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?

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?

JetBlue, 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 24% 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 144 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 at night 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 17% 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 November 2025. The most frequent departure time is 8:00PM, with 32% of daily flights leaving in the evening.

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

As of November 2025, there are 63 flights per week flying from Boston to Puerto Rico. The most common day of the week flights depart is Wed, with 27% 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