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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Boston from £116

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BOS
26 Jun — 3 Jul1
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 42 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 27 May 2026.

Fri 23/1013:32
SJU
-
BOS
Nonstop4h 13m
Delta
Fri 30/1008:15
BOS
-
SJU
Nonstop4h 06m
Delta
Deal found 27/5£206
Sat 5/907:30
SJU
-
BOS
1 stop8h 43m
Delta
Sun 13/908:15
BOS
-
SJU
Nonstop4h 05m
Delta
Deal found 27/5£209
Mon 9/1107:15
SJU
-
BOS
1 stop7h 32m
Delta
Tue 17/1108:13
BOS
-
SJU
Nonstop4h 07m
Delta
Deal found 26/5£219
Tue 11/820:50
SJU
-
BOS
Nonstop4h 05m
JetBlue
Wed 19/806:00
BOS
-
SJU
Nonstop4h 00m
JetBlue
Deal found 25/5£225
Fri 14/814:10
SJU
-
BOS
Nonstop4h 11m
Delta
Thu 20/809:05
BOS
-
SJU
1 stop7h 28m
Delta
Deal found 25/5£229
Wed 5/801:00
SJU
-
BOS
1 stop7h 17m
United Airlines
Wed 12/805:45
BOS
-
SJU
1 stop7h 09m
United Airlines
Deal found 22/5£235
Thu 12/1114:30
SJU
-
BOS
Nonstop4h 23m
Delta
Sat 14/1108:13
BOS
-
SJU
Nonstop4h 07m
Delta
Deal found 24/5£240
Wed 16/913:30
SJU
-
BOS
Nonstop4h 05m
Delta
Fri 18/906:00
BOS
-
SJU
1 stop6h 13m
Delta
Deal found 22/5£244
Thu 24/913:30
SJU
-
BOS
Nonstop4h 05m
Delta
Tue 29/908:15
BOS
-
SJU
Nonstop4h 05m
Delta
Deal found 26/5£245

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 27 May 2026.

Round-trip from

£206

One-way from

£116

Popular in

May

Cheapest in

February

Average price

£248

Good round-trip deal

£679 or less
Delta
  • Delta
  • 23/10-1/11
  • Nonstop
  • 8h 19m total
  • San Juan to Boston
Search Deals
Southwest
  • Southwest
  • 29/8
  • 1 total stop
  • 8h 15m total
  • San Juan to Boston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
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 27 May 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

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 30/10

07:00-15:22

1 stop8h 22m

Boston Logan Intl

Mon 2/11

08:15-13:21

Nonstop4h 06m

£209

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 11/9

07:00-15:19

1 stop8h 19m

Boston Logan Intl

Tue 15/9

08:15-12:20

Nonstop4h 05m

£229

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 6/8

07:30-16:13

1 stop8h 43m

Boston Logan Intl

Sun 9/8

06:05-16:33

1 stop10h 28m

£232

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sat 5/9

07:30-16:13

1 stop8h 43m

Boston Logan Intl

Sat 12/9

13:10-23:44

1 stop10h 34m

£232

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 29/10

12:46-00:58

1 stop12h 12m

Boston Logan Intl

Sun 1/11

15:34-00:56

1 stop8h 22m

£232

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 24/9

13:30-17:35

Nonstop4h 05m

Boston Logan Intl

Sun 27/9

08:15-12:20

Nonstop4h 05m

£255

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sat 4/7

14:05-18:14

Nonstop4h 09m

Boston Logan Intl

Fri 17/7

05:30-13:11

1 stop7h 41m

£258

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sat 25/7

14:03-18:14

Nonstop4h 11m

Boston Logan Intl

Tue 4/8

09:05-16:33

1 stop7h 28m

£289

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 14/7

14:03-18:10

Nonstop4h 07m

Boston Logan Intl

Fri 7/8

06:05-16:33

1 stop10h 28m

£289
Fastest return journey

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Fri 28/8

05:01-09:01

Nonstop4h 00m

Boston Logan Intl

Tue 1/9

09:59-14:00

Nonstop4h 01m

£301

Flights are sorted by cheapest return flights first.

Deals found on 26/5

Showing 1-10 of 21 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?

The best time to book flights from San Juan Luis Munoz Marin Intl Airport to Boston is 90 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, February is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Boston (average of £163). Flying from San Juan Luis Munoz Marin Intl Airport to Boston in May is currently the most expensive (average of £248). 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 27 May 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 8h 22m. Fly via Delta to get the fastest option. There are 1678 mi between San Juan Luis Munoz Marin Intl Airport and Boston.

  • 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 Aer Lingus (83%), Hawaiian Airlines (81%) or JetBlue (80%) 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 £679, our data indicates the cheapest price to be £679. The most popular route (San Juan Luis Munoz Marin Intl - Boston Logan Intl), is priced around £388.

  • 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, February is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Boston (average of £163). Flying from San Juan Luis Munoz Marin Intl Airport to Boston in May is currently the most expensive (average of £248). 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
North Truro
Cambridge
Peabody
Somerville
Quincy
Chelmsford
Wellfleet

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