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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Boston from £83

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BOS
10 May — 17 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Boston Logan Intl are usually found in February or April, booked 66 days in advance, depart on a Tuesday or Monday and return on a Thursday

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 10 April 2026.

Fri 18/913:30
SJU
-
BOS
Nonstop4h 05m
Delta
Wed 23/908:15
BOS
-
SJU
Nonstop4h 05m
Delta
Deal found 7/4£226
Fri 22/513:16
SJU
-
BOS
1 stop10h 21m
Delta
Tue 26/508:50
BOS
-
SJU
Nonstop3h 59m
Delta
Deal found 6/4£230
Wed 5/806:00
SJU
-
BOS
1 stop7h 47m
Delta
Wed 12/808:00
BOS
-
SJU
1 stop8h 35m
Delta
Deal found 7/4£233
Thu 21/515:25
SJU
-
BOS
Nonstop4h 08m
JetBlue
Tue 26/520:15
BOS
-
SJU
Nonstop4h 04m
JetBlue
Deal found 7/4£241
Wed 5/814:05
SJU
-
BOS
1 stop9h 54m
Delta
Tue 11/812:45
BOS
-
SJU
1 stop9h 38m
Delta
Deal found 8/4£247
Wed 22/401:00
SJU
-
BOS
1 stop6h 53m
United Airlines
Sun 26/411:21
BOS
-
SJU
2 stops10h 03m
United Airlines
Deal found 9/4£255
Fri 22/519:50
SJU
-
BOS
Nonstop4h 08m
JetBlue
Sun 7/612:16
BOS
-
SJU
Nonstop4h 02m
JetBlue
Deal found 5/4£260
Thu 16/714:03
SJU
-
BOS
Nonstop4h 07m
Delta
Tue 21/708:50
BOS
-
SJU
Nonstop4h 03m
Delta
Deal found 7/4£261
Wed 20/508:00
SJU
-
BOS
Nonstop4h 07m
JetBlue
Tue 26/518:40
BOS
-
SJU
1 stop6h 58m
JetBlue
Deal found 7/4£262
Fri 17/714:05
SJU
-
BOS
1 stop9h 54m
Delta
Mon 27/708:50
BOS
-
SJU
Nonstop4h 03m
Delta
Deal found 5/4£265
Tue 4/817:56
SJU
-
BOS
1 stop7h 24m
Delta
Thu 6/809:05
BOS
-
SJU
1 stop11h 40m
Delta
Deal found 7/4£268

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 10 April 2026.

Round-trip from

£226

One-way from

£83

Popular in

July

Cheapest in

February

Average price

£191

Good round-trip deal

£682 or less
JetBlue
  • JetBlue
  • 5/8-9/8
  • Nonstop
  • 8h 07m total
  • San Juan to Boston
Search Deals
Spirit Airlines
  • Spirit Airlines
  • 5/9
  • Nonstop
  • 4h 07m total
  • San Juan to Boston
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£15 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 April 2026
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Price to beat on a round-trip flight from San Juan Luis Munoz Marin Intl to Boston Logan Intl.
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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 10 April 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

Cheapest return flight
Fastest return journey

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 5/8

06:00-10:05

Nonstop4h 05m

Boston Logan Intl

Sun 9/8

21:35-01:37

Nonstop4h 02m

£226

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 18/9

13:30-17:35

Nonstop4h 05m

Boston Logan Intl

Sun 20/9

08:15-12:20

Nonstop4h 05m

£226

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 23/7

14:03-18:10

Nonstop4h 07m

Boston Logan Intl

Mon 27/7

05:40-12:55

1 stop7h 15m

£230

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Mon 20/4

01:00-10:04

2 stops9h 04m

Boston Logan Intl

Sat 25/4

14:37-23:50

2 stops9h 13m

£233

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 9/7

14:03-18:10

Nonstop4h 07m

Boston Logan Intl

Sun 12/7

08:50-12:53

Nonstop4h 03m

£241

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 16/9

01:00-09:53

1 stop8h 53m

Boston Logan Intl

Tue 22/9

06:00-13:45

1 stop7h 45m

£247

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 30/4

05:01-09:09

Nonstop4h 08m

Boston Logan Intl

Sun 3/5

22:40-02:39

Nonstop3h 59m

£260

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 17/7

14:03-18:10

Nonstop4h 07m

Boston Logan Intl

Mon 27/7

08:50-12:53

Nonstop4h 03m

£261

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Mon 14/9

13:30-17:35

Nonstop4h 05m

Boston Logan Intl

Sun 27/9

06:00-12:13

1 stop6h 13m

£265

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 4/8

17:56-01:20

1 stop7h 24m

Boston Logan Intl

Thu 6/8

09:05-20:45

1 stop11h 40m

£268

Flights are sorted by cheapest return flights first.

Deals found on 5/4

Showing 1-10 of 23 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

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

Currently, December is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Boston (average of £69). Flying from San Juan Luis Munoz Marin Intl Airport to Boston in November is currently the most expensive (average of £105). 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 10 April 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 90% versus a flight in the morning.

How much does it cost for a return flight from San Juan Luis Munoz Marin Intl Airport to Boston?

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 11 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 05m. Fly via JetBlue or Delta to get the fastest option. There are 1678 mi between San Juan Luis Munoz Marin Intl Airport and Boston. Generally, flights for this route are direct.

  • 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 Frontier (81%), Aer Lingus (79%) or Etihad Airways (78%) 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 £682, our data indicates the cheapest price to be £682. The most popular route (San Juan Luis Munoz Marin Intl - Boston Logan Intl), is priced around £389.

  • 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, December is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Boston (average of £69). Flying from San Juan Luis Munoz Marin Intl Airport to Boston in November is currently the most expensive (average of £105). 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
Waltham
Warwick
Cambridge
Peabody
Somerville
Quincy
Chelmsford

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