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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Boston from £98

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BOS
28 Mar — 4 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luis Munoz Marin Intl to Boston

Enter your travel dates to find the best prices.

Cheapest flights from Luis Munoz Marin Intl to Boston
Explore the most affordable flight options available from Luis Munoz Marin Intl to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 February 2026.

Thu 5/315:30
SJU
-
BOS
Nonstop4h 26m
Spirit Airlines
Sun 8/320:01
BOS
-
SJU
Nonstop4h 07m
Spirit Airlines
Deal found 26/2£127
Thu 26/310:00
SJU
-
BOS
Nonstop4h 18m
Spirit Airlines
Sun 29/315:23
BOS
-
SJU
Nonstop3h 56m
Spirit Airlines
Deal found 26/2£141
Fri 6/315:30
SJU
-
BOS
Nonstop4h 26m
Spirit Airlines
Sun 8/320:01
BOS
-
SJU
Nonstop4h 07m
Spirit Airlines
Deal found 23/2£142
Wed 25/310:00
SJU
-
BOS
Nonstop4h 18m
Spirit Airlines
Sun 29/315:23
BOS
-
SJU
Nonstop3h 56m
Spirit Airlines
Deal found 23/2£163
Sat 28/211:22
SJU
-
BOS
Nonstop4h 21m
Spirit Airlines
Sun 1/315:00
BOS
-
SJU
Nonstop4h 06m
Spirit Airlines
Deal found 25/2£171
Thu 19/310:00
SJU
-
BOS
Nonstop4h 18m
Spirit Airlines
Sun 22/315:23
BOS
-
SJU
Nonstop3h 56m
Spirit Airlines
Deal found 23/2£186
Tue 17/312:55
SJU
-
BOS
1 stop11h 04m
Spirit Airlines
Sun 22/305:45
BOS
-
SJU
1 stop13h 10m
Spirit Airlines
Deal found 23/2£189
Sat 5/906:00
SJU
-
BOS
Nonstop4h 05m
JetBlue
Sat 5/912:15
BOS
-
SJU
Nonstop4h 01m
JetBlue
Deal found 23/2£191

Find flight deals from Luis Munoz Marin Intl to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Boston (BOS). 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 26 February 2026.

Round-trip from

£141

One-way from

£98

Popular in

July

Cheapest in

February

Average price

£154

Good one-way deal

£121 or less
Spirit Airlines
  • Spirit Airlines
  • 26/3-29/3
  • Nonstop
  • 8h 14m total
  • San Juan to Boston
Search Deals
Delta
  • Delta
  • 2/7
  • Nonstop
  • 4h 11m total
  • San Juan to Boston
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a one-way flight from San Juan Luis Munoz Marin Intl to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Luis Munoz Marin Intl to Boston 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, Cheapflights users made 858,174 searches. Data last updated 26 February 2026.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 5/6

14:00-18:18

Nonstop4h 18m

Boston Logan Intl

Tue 9/6

08:15-12:23

Nonstop4h 08m

£194

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sat 16/5

14:00-18:18

Nonstop4h 18m

Boston Logan Intl

Tue 19/5

08:50-12:49

Nonstop3h 59m

£194

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 7/5

13:13-23:37

1 stop10h 24m

Boston Logan Intl

Sun 10/5

08:50-12:49

Nonstop3h 59m

£198

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 20/5

12:45-23:56

1 stop11h 11m

Boston Logan Intl

Mon 25/5

20:15-00:17

Nonstop4h 02m

£216

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 5/6

05:01-09:12

Nonstop4h 11m

Boston Logan Intl

Wed 10/6

17:40-21:42

Nonstop4h 02m

£228

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 25/3

12:55-23:59

1 stop11h 04m

Boston Logan Intl

Sun 29/3

06:01-23:58

1 stop17h 57m

£234

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 2/7

13:33-17:44

Nonstop4h 11m

Boston Logan Intl

Sun 5/7

08:15-12:23

Nonstop4h 08m

£240

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 2/7

13:33-17:44

Nonstop4h 11m

Boston Logan Intl

Sat 18/7

05:30-13:25

1 stop7h 55m

£243

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 19/3

02:30-06:39

Nonstop4h 09m

Boston Logan Intl

Sun 22/3

17:45-21:48

Nonstop4h 03m

£251

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 7/4

20:20-00:24

Nonstop4h 04m

Boston Logan Intl

Thu 9/4

19:39-03:10

1 stop7h 31m

£275

Flights are sorted by cheapest return flights first.

Deals found on 23/2

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Luis Munoz Marin Intl to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Luis Munoz Marin Intl with our price prediction graph.
Estimated return 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 San Juan Luis Munoz Marin Intl Airport to Boston

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

Use this chart to determine the optimal time to book a return flight from Luis Munoz Marin Intl to Boston. Price data was last updated on 20 February 2026.

The best time to book flights from San Juan Luis Munoz Marin Intl Airport to Boston is 42 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, April is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Boston (average of £47). Flying from San Juan Luis Munoz Marin Intl Airport to Boston in November is currently the most expensive (average of £104). 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 SJU to BOS?

Find hourly flight availability from Luis Munoz Marin Intl to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 February 2026.

When flying from San Juan Luis Munoz Marin Intl Airport to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 70% versus a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl to Boston. 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 into for flights to Boston from San Juan Luis Munoz Marin Intl?

    If you book a flight to Boston from San Juan Luis Munoz Marin Intl, you will be flying to Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston. There are 22 flights from San Juan Luis Munoz Marin Intl to Logan Intl per day from 0 different airlines.

  • How long is the flight from San Juan Luis Munoz Marin Intl Airport to Boston?

    There are many flights that can get you from San Juan Luis Munoz Marin Intl Airport to Boston in 4h 08m. Fly via Spirit Airlines, Delta, or JetBlue to get the fastest option. There are 1678 mi between San Juan Luis Munoz Marin Intl Airport and Boston. Both multi-stop and direct flights can be found to your destination and back.

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

    No one likes to see their flight delayed. When booking a flight from San Juan Luis Munoz Marin Intl Airport to Boston consider choosing EL AL (69%), Japan Airlines (68%) or Frontier (67%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San Juan Luis Munoz Marin Intl Airport to Boston?

    Looking for the cheapest flight from San Juan Luis Munoz Marin Intl Airport to Boston? While on average our users pay £130, our data indicates the cheapest price to be £79. The most popular route (San Juan Luis Munoz Marin Intl - Boston Logan Intl), is priced around £386.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to Boston 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 San Juan Luis Munoz Marin Intl Airport to Boston?

    Currently, April is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Boston (average of £47). Flying from San Juan Luis Munoz Marin Intl Airport to Boston in November is currently the most expensive (average of £104). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Burlington
Canton
Warwick
Cambridge
Peabody
Somerville
Quincy
Waltham
Chelmsford

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