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Cheap flight tickets from Boston Logan International to San Juan

Compare Boston Logan International to San Juan flight deals

Find the cheapest month or even day of the year to fly to San Juan

Book the best San Juan fare with no extra fees

Flight deals from Boston Logan International to San Juan

Looking for a cheap last-minute deal or the best return flight from Boston Logan International to San Juan? Find the lowest prices on one-way and return tickets right here.
San Juan.RM741 per passenger.Departing Sat, 7 Feb, returning Wed, 25 Feb.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Boston Logan International on Sat, 7 Feb, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Spirit Airlines departs from San Juan Luis Munoz Marin on Wed, 25 Feb, arriving in Boston Logan International.Price includes taxes and charges.From RM741, select.
San Juan.RM741 per passenger.Departing Wed, 21 Jan, returning Sat, 24 Jan.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Boston Logan International on Wed, 21 Jan, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Spirit Airlines departs from San Juan Luis Munoz Marin on Sat, 24 Jan, arriving in Boston Logan International.Price includes taxes and charges.From RM741, select.
San Juan.RM742 per passenger.Departing Wed, 21 Jan, returning Sat, 7 Feb.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Boston Logan International on Wed, 21 Jan, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Spirit Airlines departs from San Juan Luis Munoz Marin on Sat, 7 Feb, arriving in Boston Logan International.Price includes taxes and charges.From RM742, select.
San Juan.RM749 per passenger.Departing Sat, 20 Sep, returning Thu, 25 Sep.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Sat, 20 Sep, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Spirit Airlines, departs from San Juan Luis Munoz Marin on Thu, 25 Sep, arriving in Boston Logan International.Price includes taxes and charges.From RM749, select.
San Juan.RM751 per passenger.Departing Sat, 20 Sep, returning Wed, 1 Oct.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Sat, 20 Sep, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Spirit Airlines, departs from San Juan Luis Munoz Marin on Wed, 1 Oct, arriving in Boston Logan International.Price includes taxes and charges.From RM751, select.
San Juan.RM851 per passenger.Departing Sat, 30 Aug, returning Fri, 19 Sep.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Sat, 30 Aug, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Spirit Airlines, departs from San Juan Luis Munoz Marin on Fri, 19 Sep, arriving in Boston Logan International.Price includes taxes and charges.From RM851, select.
San Juan.RM912 per passenger.Departing Mon, 3 Nov, returning Sat, 8 Nov.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Mon, 3 Nov, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Spirit Airlines, departs from San Juan Luis Munoz Marin on Sat, 8 Nov, arriving in Boston Logan International.Price includes taxes and charges.From RM912, select.
San Juan.RM914 per passenger.Departing Mon, 17 Nov, returning Wed, 3 Dec.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Mon, 17 Nov, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Spirit Airlines, departs from San Juan Luis Munoz Marin on Wed, 3 Dec, arriving in Boston Logan International.Price includes taxes and charges.From RM914, select.

Find the cheapest month to fly from Boston Logan International to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston Logan International to San Juan flights are currently cheapest in January.
Aug
from RM1,616
Sep
from RM753
Oct
from RM918
Nov
from RM917
Dec
from RM918
Jan
from RM745
Feb
from RM745
Mar
from RM1,192
Apr
from RM1,555
May
from RM1,937
Jun
from RM2,234
Jul
from RM1,928

Direct flights from Boston Logan International to San Juan

Alternative Boston Logan International to San Juan routes

Looking for the cheapest, fastest or easiest route from Boston Logan International to San Juan? You could fly into the following airports instead.

Boston to San Juan: Flight information

The things to know before you go.
Cheapest flight foundRM745
Cheapest month to flyJanuary
Average flight time4 hrs, 4 mins
Most popular airlinejetBlue
Average flights per week130

Finding cheap flights from Boston Logan International to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Boston Logan International to San Juan is RM745. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 4 minutes is the average flight time from Boston Logan International to San Juan.
jetBlue, Hawaiian Airlines and Qatar Airways fly direct from Boston Logan International to San Juan.
As of August 2025, there are 130 flights per week flying from Boston Logan International to San Juan.
The cheapest month to fly from Boston Logan International to San Juan is usually January.
If you're flying from Boston Logan International Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from RM745.
Yes – the average flight time is 4 hours and 4 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In August, the average temperature is usually around 28°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, Spirit Airlines offers the cheapest flight tickets to San Juan.

Travelling from Logan International Airport (BOS) to San Juan: what you need to know

  • Book a direct flight from Logan International Airport to San Juan and you'll be in the air for around 4 hours 10 minutes.

  • San Juan and Boston (where Logan International Airport is located) are in the UTC-4 timezone. This means you won't have to adjust your watch after you land.

  • The busiest route is from Logan International Airport (BOS) to Luis Munoz Marin International Airport (SJU). There are 32 weekly services between these two airports. If you want to get going as soon as possible, the earliest flight from BOS to SJU is the 06:00 JetBlue Airways service. If you'd rather travel later, the final departure is at 23:20 with JetBlue Airways.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. That way, you won't have to rush to board your BOS to San Juan flight.

  • Planning to travel during a peak time like a bank holiday? Expect longer queues at check-in and security. To be on the safe side, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Direct Logan International Airport to San Juan tickets are available for booking. Luis Munoz Marin International Airport (SJU) will be your arrival point.

  • There's a good selection of airlines that operate direct flights from Logan International Airport to San Juan, such as:

  • Think about adding a stopover to potentially score a cheaper flight ticket from BOS to San Juan. All you need to do is uncheck 'Direct flights only' during your search. Break up your journey by stopping at one of these connection hubs:

    • John F. Kennedy International Airport (JFK)

    • Philadelphia International Airport (PHL)

    • Punta Cana International Airport (PUJ)

  • The journey from central Boston to BOS takes around 25 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 3 kilometres in 10 minutes or so, depending on traffic.

  • Want a relaxed start to your holiday? Stay near BOS. Whether you've booked an early flight from Logan International Airport to San Juan or want to avoid feeling rushed, these hotels have you covered:

  • 73.94% of flights departing from Logan International Airport touch down at their destination on time.

  • BOS's address is One Harborside Drive.

How to find the cheapest flights from Logan International Airport (BOS) to San Juan

  • RM294 is the cheapest price we've found for a one-way Logan International Airport to San Juan flight. A return ticket right now is RM741. Depending on the availability and when you book, these fares can change.

  • Book one month before travelling. Pricing trends show that this is the ideal window for finding cheap flights from BOS to San Juan.

  • The best month for landing cheap Logan International Airport to San Juan tickets is May. Use the 'Whole month' tool to compare all available prices, then select the dates that offer the biggest savings.

  • Snapping up a cheap flight from BOS to San Juan couldn't be easier with Price Alerts. All you need to do is create one of these automatic notifications and we'll let you know as soon as a cheaper option becomes available.

  • Choose your preferred departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Logan International Airport to San Juan by 'Best,' 'Fastest' or 'Cheapest.'

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) to central San Juan takes about 10 minutes to reach by car. The centre is roughly 8 kilometres away.

  • If you're travelling on public transport, expect a journey time of about 55 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're landing late on a flight from Logan International Airport to San Juan. Stay at one of these accommodation options near SJU instead:

  • Pick up a Luis Munoz Marin International Airport rental car and discover San Juan and beyond with your own set of wheels. Sixt, Ace Rent a Car and U-Save are top outlets to choose from here.

  • To secure the lowest price, reserve your ride from Luis Munoz Marin International Airport around two weeks in advance of your flight from BOS to San Juan.

Fernando Luis Ribas Dominicci Airport (SIG)

  • The centre of San Juan is located around 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG). Once your flight from Logan International Airport to San Juan has hit the runway and you've made your way to arrivals, expect a drive of around 15 minutes.

  • If you choose to travel on public transport, the ride to the centre takes 1 hour or so.

  • Place the 'Do not disturb' sign on your door and unwind at a hotel close to SIG. Here are a few options where you can take a load off after your BOS to San Juan flight:

Best time to go to San Juan

  • Visit San Juan during high season if you want a busy atmosphere, but remember that hotel prices tend to be higher. Alternatively, book flights from Logan International Airport to San Juan during low season when prices are cheaper and crowds are smaller.

  • The warmest month in San Juan is September, with temperatures ranging between 23ºC (73ºF) and 33ºC (91ºF). Book your Logan International Airport to San Juan flight ticket then if that's your definition of good weather.

  • Look for cheap tickets from BOS to San Juan in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 20ºC (68ºF) and 28ºC (82ºF) on average.

More about San Juan

  • After booking your flight from Logan International Airport to San Juan, choose a hotel that puts you right where the action is. Make one of these options your base for exploring San Juan:

  • La Garita del morro de san juan bahia and Castillo San Felipe del Morro are just two of the major attractions to add to your San Juan to-do list. Continue your sightseeing adventures at Fortaleza Street.

Explore more of Puerto Rico

  • San Juan has loads to offer, but there are so many other corners of Puerto Rico just waiting to be discovered. About 113 kilometres west of San Juan, a visit to Aguadilla will keep you busy. Start with attractions like El Parterre, Aguadilla Ice Skating Arena and Bandera de los Reyes Magos.

  • Isabela is another well-known destination in Puerto Rico and is around 105 kilometres west of San Juan. No journey is complete without seeing Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania.

Plan the rest of your trip from Boston to San Juan

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.