What is the cheapest airline that flies from Boston Logan Intl to San Juan Luis Munoz Marin Intl?

Spirit Airlines, Frontier, and JetBlue are the most popular carriers operating from Boston Logan Intl to San Juan Luis Munoz Marin Intl

What airlines fly to San Juan Luis Munoz Marin Intl Airport?

JetBlue, Frontier and Delta are the top three most popular airlines that fly to San Juan Luis Munoz Marin Intl Airport from Boston according to our data. JetBlue is the first choice among our users, with 45% of people opting to fly with this airline when traveling to San Juan Luis Munoz Marin Intl Airport. Keep in mind that there are 7 different airlines that fly to San Juan Luis Munoz Marin Intl Airport 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 San Juan Luis Munoz Marin Intl Airport?

Prices for flights from Boston Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport are updated daily.

How many operators does momondo search for flights from Boston Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport?

As of July 2025, there are 7 operators available to choose from for flights from Boston Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport.

How old do you have to be to fly from Boston Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport.

What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

The necessary travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$72 Cheap Flights from Boston to San Juan Luis Munoz Marin Intl Airport in 2025

Q: How many flights depart from Boston to San Juan Luis Munoz Marin Intl Airport on average per week?

The number of flights available between Boston and San Juan Luis Munoz Marin Intl Airport is 114 per week as of July 2025. The most frequent departure day is Sun, with 18% of weekly flights leaving on this day.

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Find the cheapest flights from Boston to San Juan

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:10 am - 3:30 pmBOS-SJU

9h 20m1 stop

3:50 pm - 11:48 pmSJU-BOS

7h 58m1 stop

$166Spirit Airlines

Find Deal

mar., ago. 5 - mié., ago. 6

6:10 am - 3:30 pmBOS-SJU

9h 20m1 stop

1:59 am - 1:48 pmSJU-BOS

11h 49m1 stop

$176Spirit Airlines

Find Deal

mar., ago. 5 - mar., sep. 9

10:03 am - 2:08 pmBOS-SJU

4h 05mnonstop

1:21 am - 8:37 amSJU-BOS

7h 16m1 stop

$177Spirit Airlines

Find Deal

jue., jul. 31 - mar., ago. 5

6:10 am - 9:09 pmBOS-SJU

14h 59m1 stop

3:50 pm - 11:48 pmSJU-BOS

7h 58m1 stop

$178Spirit Airlines

Find Deal

dom., ago. 3 - mié., ago. 6

10:03 am - 2:08 pmBOS-SJU

4h 05mnonstop

3:13 pm - 7:30 pmSJU-BOS

4h 17mnonstop

$181Spirit Airlines

Find Deal

dom., jul. 27 - dom., ago. 3

10:03 am - 2:08 pmBOS-SJU

4h 05mnonstop

3:13 pm - 7:30 pmSJU-BOS

4h 17mnonstop

$183Spirit Airlines

Find Deal

jue., jul. 24 - jue., jul. 31

6:00 am - 4:00 pmBOS-SJU

10h 00m1 stop

1:21 am - 8:37 amSJU-BOS

7h 16m1 stop

$214

Find Deal

vie., ago. 1 - mar., ago. 5

12:57 pm - 4:07 pmBOS-SJU

27h 10m1 stop

3:13 pm - 7:30 pmSJU-BOS

4h 17mnonstop

$216

Find Deal

jue., jul. 24 - jue., jul. 31

9:01 am - 11:59 pmBOS-SJU

14h 58m1 stop

3:51 pm - 8:35 amSJU-BOS

16h 44m1 stop

$227Frontier

Find Deal

jue., jul. 31 - jue., ago. 7

8:45 pm - 12:51 amBOS-SJU

4h 06mnonstop

6:00 am - 10:07 amSJU-BOS

4h 07mnonstop

$241JetBlue

Find Deal

dom., jul. 27 - lun., jul. 28

JetBlue flights from Boston to San Juan Luis Munoz Marin Intl Airport

Our best JetBlue deals on Boston to San Juan Luis Munoz Marin Intl Airport flight tickets

JetBlue

Jul 27

BOS8:45 pmBoston Logan Intl

4h 06m

SJU12:51 amSan Juan Luis Munoz Marin Intl

Jul 28

SJU6:00 amSan Juan Luis Munoz Marin Intl

4h 07m

BOS10:07 amBoston Logan Intl

$241

Find similar

JetBlue

Jul 26

BOS12:00 pmBoston Logan Intl

4h 04m

SJU4:04 pmSan Juan Luis Munoz Marin Intl

Aug 2

SJU8:25 amSan Juan Luis Munoz Marin Intl

4h 10m

BOS12:35 pmBoston Logan Intl

$246

Find similar

JetBlue

Jul 19

BOS8:45 pmBoston Logan Intl

4h 04m

SJU12:49 amSan Juan Luis Munoz Marin Intl

Jul 27

SJU6:54 pmSan Juan Luis Munoz Marin Intl

4h 05m

BOS10:59 pmBoston Logan Intl

$251

Find similar

Spirit Airlines flights from Boston to San Juan Luis Munoz Marin Intl Airport

Our best Spirit Airlines deals on Boston to San Juan Luis Munoz Marin Intl Airport flight tickets

Spirit Airlines

Aug 5

BOS6:10 amBoston Logan Intl

9h 20m

1 stop

SJU3:30 pmSan Juan Luis Munoz Marin Intl

Aug 6

SJU3:50 pmSan Juan Luis Munoz Marin Intl

7h 58m

1 stop

BOS11:48 pmBoston Logan Intl

$166

Find similar

Spirit Airlines

Aug 5

BOS6:10 amBoston Logan Intl

9h 20m

1 stop

SJU3:30 pmSan Juan Luis Munoz Marin Intl

Sep 9

SJU1:59 amSan Juan Luis Munoz Marin Intl

11h 49m

1 stop

BOS1:48 pmBoston Logan Intl

$176

Find similar

Spirit Airlines

Jul 31

BOS10:03 amBoston Logan Intl

4h 05m

SJU2:08 pmSan Juan Luis Munoz Marin Intl

Aug 5

SJU1:21 amSan Juan Luis Munoz Marin Intl

7h 16m

1 stop

BOS8:37 amBoston Logan Intl

$177

Find similar

How to get the cheapest flight ticket from Boston to San Juan Luis Munoz Marin Intl Airport

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

Other information

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $216.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Boston is on a Monday. momondo users have found tickets for Monday departures for as low as $282. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $321.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the morning when flights can be purchased for as low as $291. Flights in the evening are often more expensive with an average ticket price of $335.

What is the cheapest Boston Logan Intl to San Juan Luis Munoz Marin Intl flight route?

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

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $269 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Boston for as low as $221 on momondo.

What cabin class options are available on Boston Logan Intl to San Juan Luis Munoz Marin Intl flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to San Juan Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Boston to San Juan Luis Munoz Marin Intl Airport.

How have Boston to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of July 2025, prices for Boston to San Juan Luis Munoz Marin Intl Airport flights are approximately 39% cheaper when compared to flights at the same time last year.

When to book flights from Boston to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to San Juan Luis Munoz Marin Intl Airport (BOS to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to San Juan Luis Munoz Marin Intl Airport

Best Price Found	$72
Fastest flight time	4h 04m
Direct flights	Every day

The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Boston in the past 72 hours is $72. The best round-trip flight deal from Boston to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $166.

The fastest flight from Boston to San Juan Luis Munoz Marin Intl Airport takes 4h 04m

Direct flights go from Boston to San Juan Luis Munoz Marin Intl Airport every day.

Search flight deals

How far is Boston Logan Intl to San Juan Luis Munoz Marin Intl by plane?
The distance between Boston Logan Intl and San Juan Luis Munoz Marin Intl is about 1678.1 mi. Flights usually cover this in 4h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Boston Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport?
Prices for flights from Boston Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport are updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport?
As of July 2025, there are 7 operators available to choose from for flights from Boston Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport.
How old do you have to be to fly from Boston Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport.
What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?
The necessary travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boston to San Juan Luis Munoz Marin Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Boston to San Juan Luis Munoz Marin Intl Airport is Airbus A321neo, representing 26.80% of all bookings. The subsequent popular models are Airbus A321-100/200 at 24.55%, Airbus A220-300 at 22.32%, and Airbus A320-100/200 at 19.86%.
What is the most popular airline from Boston to San Juan Luis Munoz Marin Intl Airport?
Based on momondo bookings for flights between Boston and San Juan Luis Munoz Marin Intl Airport, the leading airline is JetBlue, making up 40% of the total bookings. Other popular airlines include Frontier with 24%, Delta with 23%, and Spirit Airlines with 11%.

Best airlines flying from Boston to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Boston to San Juan Luis Munoz Marin Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $77	Free Cancellation	Rating 5.9 3,260 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $96	Free Cancellation	Rating 6.3 8,047 reviews	Search Spirit Airlines flights
Delta	PriceFrom $141	Free Cancellation	Rating 8.0 7,953 reviews	Search Delta flights
JetBlue	PriceFrom $149	Free Cancellation	Rating 7.3 2,908 reviews	Search JetBlue flights
United Airlines	PriceFrom $204	Free Cancellation	Rating 7.4 8,856 reviews	Search United Airlines flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $427	Free Cancellation	Rating 8.0 4,243 reviews	Search Southwest flights

Delta Flights From Boston to San Juan Luis Munoz Marin Intl Airport
The lowest priced Delta flight from Boston to San Juan Luis Munoz Marin Intl Airport from the last 72 hours was $141. Generally, Delta has 2 flights on this route every week with an average price of $328. Delta is rated 8.0/10 by our users.
JetBlue Flights From Boston to San Juan Luis Munoz Marin Intl Airport
The best JetBlue deal for Boston to San Juan Luis Munoz Marin Intl Airport flight tickets found on momondo in the last 72 hours was $149, round-trip. It should be noted that an average JetBlue flight deal for this route in this time was higher, at $344 round-trip. JetBlue operates 26 flights out of Boston into San Juan Luis Munoz Marin Intl Airport in an average week, so prices vary by time and availability. 2,908 JetBlue reviews by users on momondo have scored the airline at 7.3/10.

Carolina

Fajardo

Dorado

Luquillo

Caguas

Humacao

Rio Grande

Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Boston to San Juan?

It is quick and easy to find Boston to San Juan flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Juan that suits you.

Can I find flights from Boston to San Juan with flexible booking policies on momondo?

All flight searches from Boston to San Juan on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to San Juan?

Once all potential Boston to San Juan flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

An easier way to manage your San Juan Luis Munoz Marin Intl Airport trip

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Boston flight routes

Boston Logan Intl to Savannah/Hilton Head

Boston Logan Intl to Cleveland Hopkins Intl

Boston Logan Intl to Norfolk

Boston Logan Intl to Baltimore/Washington

Boston Logan Intl to Asheville Regional

Boston Logan Intl to Knoxville McGhee Tyson

San Juan Luis Munoz Marin Intl Airport flight routes

Flights from New York John F Kennedy Intl to San Juan Luis Munoz Marin Intl

Flights from Newark to San Juan Luis Munoz Marin Intl

Flights from Orlando to San Juan Luis Munoz Marin Intl

Flights from Philadelphia to San Juan Luis Munoz Marin Intl

Flights from Boston Logan Intl to San Juan Luis Munoz Marin Intl

Cheap flights from Boston to San Juan from $72

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 San Juan departing on 8/10. 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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JetBlue flights from Boston to San Juan Luis Munoz Marin Intl Airport

Our best JetBlue deals on Boston to San Juan Luis Munoz Marin Intl Airport flight tickets

Spirit Airlines flights from Boston to San Juan Luis Munoz Marin Intl Airport

Our best Spirit Airlines deals on Boston to San Juan Luis Munoz Marin Intl Airport flight tickets

See travel insights to San Juan from

How to get the cheapest flight ticket from Boston to San Juan Luis Munoz Marin Intl Airport

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 San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $216.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the morning when flights can be purchased for as low as $291. Flights in the evening are often more expensive with an average ticket price of $335.

What is the cheapest Boston Logan Intl to San Juan Luis Munoz Marin Intl flight route?

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

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

What cabin class options are available on Boston Logan Intl to San Juan Luis Munoz Marin Intl flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to San Juan Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Boston to San Juan Luis Munoz Marin Intl Airport.

How have Boston to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of July 2025, prices for Boston to San Juan Luis Munoz Marin Intl Airport flights are approximately 39% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Boston Logan Intl to San Juan Luis Munoz Marin Intl?

Spirit Airlines, Frontier, and JetBlue are the most popular carriers operating from Boston Logan Intl to San Juan Luis Munoz Marin Intl

What airlines fly to San Juan Luis Munoz Marin Intl Airport?

How many flights depart from Boston to San Juan Luis Munoz Marin Intl Airport on average per day?

As of July 2025, there are 16 flights per day flying from Boston to San Juan Luis Munoz Marin Intl Airport. The most common time of day flights depart is 8:00PM, with 45% of flights taking off in the evening.

How many flights depart from Boston to San Juan Luis Munoz Marin Intl Airport on average per week?

The number of flights available between Boston and San Juan Luis Munoz Marin Intl Airport is 114 per week as of July 2025. The most frequent departure day is Sun, with 18% of weekly flights leaving on this day.

When to book flights from Boston to San Juan Luis Munoz Marin Intl Airport

Cheap Boston to San Juan Luis Munoz Marin Intl Airport (BOS to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to San Juan Luis Munoz Marin Intl Airport

Best Price Found

Fastest flight time

Direct flights

How far is Boston Logan Intl to San Juan Luis Munoz Marin Intl by plane?

When did momondo last update prices for flights from Boston Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport?

How many operators does momondo search for flights from Boston Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport?

How old do you have to be to fly from Boston Logan Intl Airport to San Juan Luis Munoz Marin Intl Airport?

What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

What is the most popular plane model from Boston to San Juan Luis Munoz Marin Intl Airport?

What is the most popular airline from Boston to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Boston to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Boston to San Juan Luis Munoz Marin Intl Airport with momondo

Delta Flights From Boston to San Juan Luis Munoz Marin Intl Airport

JetBlue Flights From Boston to San Juan Luis Munoz Marin Intl Airport

Traveling to a place near San Juan?

Why use momondo?

Why should I use momondo to find a flight deal from Boston to San Juan?

Can I find flights from Boston to San Juan with flexible booking policies on momondo?

How can momondo help me find flights from Boston to San Juan?

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

An easier way to manage your San Juan Luis Munoz Marin Intl Airport 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 San Juan

Boston flight routes

According to popular flight searches on momondo this year