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

BOS — SJU
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Boston Logan Intl to San Juan Luis Munoz Marin Intl are usually found in January or March, booked 27 days in advance, depart on a Sunday or Thursday and return on a Monday

Cheap flight deals from Boston to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 October 2025.

Popular in

December

Cheapest in

January

Average price

C$ 371
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Best time to book a flight from Boston to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Boston to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Luis Munoz Marin Intl. Price data was last updated on 24 October 2025.

To ensure you get the cheapest price possible for a flight from Boston to San Juan Luis Munoz Marin Intl Airport, you should look to book at least 27 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Boston to San Juan Luis Munoz Marin Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Boston to San Juan Luis Munoz Marin Intl Airport (average of C$ 119). Flying from Boston to San Juan Luis Munoz Marin Intl Airport in September is currently the most expensive (average of C$ 206). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to SJU?

Find hourly flight availability from Boston to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 October 2025.

It’s typically best to fly out from Boston to San Juan Luis Munoz Marin Intl Airport in the morning. Doing so could potentially save you 33% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated 27 October 2025.
Get a feel of what it's like to fly with JetBlue,Spirit Airlines, andFrontier from Boston to San Juan Luis Munoz Marin Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.2
Good
2,907 reviews
Check prices

Food

6.7

Comfort

7.6

Entertainment

7.3

Overall

7.2

Boarding

7.4

Crew

8.0

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.
JetBlue
7.2
Good
2,907 reviews
JetBlue
7.2
Good
2,907 reviews
Check prices

Food

6.7

Comfort

7.6

Entertainment

7.3

Overall

7.2

Boarding

7.4

Crew

8.0

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.
Spirit Airlines
6.3
Okay
8,109 reviews
JetBlue
7.2
Good
2,907 reviews
Check prices

Food

6.7

Comfort

7.6

Entertainment

7.3

Overall

7.2

Boarding

7.4

Crew

8.0

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.
Frontier
5.8
Fair
3,123 reviews
JetBlue
7.2
Good
2,907 reviews
Check prices

Food

6.7

Comfort

7.6

Entertainment

7.3

Overall

7.2

Boarding

7.4

Crew

8.0

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.

Related info for your journey

Find useful and relevant information for your journey from Boston to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to San Juan Luis Munoz Marin Intl?

    Boston Logan Intl (BOS), located 4.2 km from the city centre, is the airport you fly out of when you book flights from Boston to San Juan Luis Munoz Marin Intl. 3 airlines have flights from Logan Intl to San Juan Luis Munoz Marin Intl on a regular basis. Booking flights from Boston Logan Intl to San Juan Luis Munoz Marin Intl should not be difficult; the airport handles an average of 7 outbound flights to San Juan Luis Munoz Marin Intl per day.

  • What are the cheapest airlines flying from Boston to San Juan Luis Munoz Marin Intl Airport round-trip?

    Flying on Frontier is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at C$ 151. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and JetBlue, with the lowest prices starting at C$ 169 and C$ 246, respectively. These flights start at 63% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Boston to San Juan Luis Munoz Marin Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to San Juan Luis Munoz Marin Intl Airport on time: Hawaiian Airlines (73%), Delta (71%), Icelandair (70%).

  • Can I find deals for flights from Boston to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Boston to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Boston to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Boston to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to San Juan Luis Munoz Marin Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Boston to San Juan Luis Munoz Marin Intl Airport (average of C$ 119). Flying from Boston to San Juan Luis Munoz Marin Intl Airport in September is currently the most expensive (average of C$ 206). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Luquillo

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Top 3 airlines flying from Boston to Luis Munoz Marin Intl

Discover the top 3 airlines that operate flights from Boston to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 27 October 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 151AverageC$ 206FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapestC$ 169AverageC$ 246FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
JetBlueCheapestC$ 246AverageC$ 395FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Boston to Luis Munoz Marin Intl?

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Why should you use Cheapflights to find cheap flight tickets from Boston to Luis Munoz Marin Intl?

Cheapflights helps you find that perfect flight to Luis Munoz Marin Intl from Boston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Boston to Luis Munoz Marin Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Boston to Luis Munoz Marin Intl with no change fees.

Can Cheapflights notify me if prices for flights from Boston to Luis Munoz Marin Intl become cheaper?

Not ready to book yet? You can track prices for flights from Boston to Luis Munoz Marin Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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