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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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BOS
17 Dec — 24 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 17 November 2025.

Round-trip from

£199

One-way from

£98

Popular in

July

Cheapest in

February

Average price

£210
JetBlue
  • JetBlue
  • 14/2-22/2
  • Nonstop
  • 8h 10m total
  • San Juan to Boston
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JetBlue
  • JetBlue
  • 9/12
  • 1 total stop
  • 9h 45m total
  • San Juan to Boston
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find 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 17 November 2025.

Thu 4/1214:20SJU - BOS
Nonstop4h 25mDelta
Tue 9/1208:10BOS - SJU
Nonstop4h 00mDelta
Deal found 17/11£199
Thu 4/1215:32SJU - BOS
1 stop8h 52mDelta
Mon 8/1208:10BOS - SJU
Nonstop4h 00mDelta
Deal found 17/11£203
Thu 4/1202:05SJU - BOS
1 stop6h 34mUnited Airlines
Mon 8/1209:40BOS - SJU
2 stops11h 42mUnited Airlines
Deal found 16/11£206
Wed 17/1206:10SJU - BOS
Nonstop4h 09mJetBlue
Tue 23/1207:12BOS - SJU
1 stop8h 14mJetBlue
Deal found 17/11£211
Thu 18/1201:59SJU - BOS
1 stop6h 42mJetBlue
Sun 21/1214:21BOS - SJU
Nonstop4h 04mJetBlue
Deal found 17/11£213
Sun 21/1217:18SJU - BOS
Nonstop4h 14mJetBlue
Fri 2/118:50BOS - SJU
Nonstop4h 06mJetBlue
Deal found 15/11£214
Mon 24/1121:25SJU - BOS
Nonstop4h 05mJetBlue
Sun 30/1115:10BOS - SJU
Nonstop3h 59mJetBlue
Deal found 17/11£215
Mon 29/1206:01SJU - BOS
1 stop9h 11mJetBlue
Sun 4/118:50BOS - SJU
Nonstop4h 06mJetBlue
Deal found 17/11£225
Wed 24/1203:45SJU - BOS
1 stop8h 27mDelta
Sat 10/108:05BOS - SJU
Nonstop4h 06mDelta
Deal found 17/11£237
Thu 27/1106:06SJU - BOS
Nonstop4h 09mJetBlue
Mon 1/1220:20BOS - SJU
1 stop6h 28mJetBlue
Deal found 16/11£238
Tue 2/1202:05SJU - BOS
1 stop6h 34mUnited Airlines
Sat 6/1210:30BOS - SJU
2 stops10h 52mUnited Airlines
Deal found 16/11£241

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 17 November 2025.
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

Luis Munoz Marin Intl

Fly to

Boston

Route

Depart

Return

Price

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sun 21/12

14:08-17:36

Nonstop4h 28m

Boston Logan Intl

Sat 3/1

08:30-13:35

Nonstop4h 05m

£199

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 4/12

14:20-17:45

Nonstop4h 25m

Boston Logan Intl

Mon 8/12

08:10-13:10

Nonstop4h 00m

£199

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 7/5

13:30-17:53

Nonstop4h 23m

Boston Logan Intl

Mon 18/5

08:20-12:28

Nonstop4h 08m

£199

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 4/12

15:32-23:24

1 stop8h 52m

Boston Logan Intl

Tue 9/12

12:10-23:20

1 stop10h 10m

£206

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Thu 26/2

07:00-15:00

1 stop9h 00m

Boston Logan Intl

Mon 2/3

13:03-23:58

1 stop9h 55m

£206

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 10/3

09:52-14:12

Nonstop4h 20m

Boston Logan Intl

Wed 11/3

15:18-19:24

Nonstop4h 06m

£213

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Sun 21/12

06:01-09:13

Nonstop4h 12m

Boston Logan Intl

Fri 2/1

20:00-01:05

Nonstop4h 05m

£215

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Tue 10/3

22:59-07:18

1 stop8h 19m

Boston Logan Intl

Wed 11/3

16:55-20:56

Nonstop4h 01m

£217

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Mon 29/12

06:01-14:12

1 stop9h 11m

Boston Logan Intl

Sun 4/1

18:50-23:56

Nonstop4h 06m

£225

San JuanBoston

SJU - BOS

SJUBOS

San Juan Luis Munoz Marin Intl

Wed 6/5

08:10-14:20

1 stop6h 10m

Boston Logan Intl

Fri 8/5

15:30-01:19

1 stop9h 49m

£228

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 22 results
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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 14 November 2025.

The best time to book flights from San Juan Luis Munoz Marin Intl Airport to Boston is 66 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 £43). Flying from San Juan Luis Munoz Marin Intl Airport to Boston in October 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 17 November 2025.

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 at midday, which can drop the price by up to 48% versus a flight in the afternoon.

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 10 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 Delta or JetBlue 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 Japan Airlines (100%), Etihad Airways (100%) or Aer Lingus (87%) as they are the most reliable in getting you off to your destination on time.

  • 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 £43). Flying from San Juan Luis Munoz Marin Intl Airport to Boston in October 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

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

Yes! Start tracking prices for Luis Munoz Marin Intl to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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