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Cheap Flights from Boston (BOSA) to San Juan (SJUA)

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      jetBlue
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      Compare Boston 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 to San Juan

      Looking for a cheap last-minute deal or the best return flight from Boston to San Juan? If you want to travel next month, return fares start from $437. Find the lowest prices on one-way and return tickets right here.
      San Juan.$421 per passenger.Departing Sat, 14 Nov, returning Sat, 21 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boston Logan International on Sat, 14 Nov, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Sat, 21 Nov, arriving in Boston Logan International.Price includes taxes and charges.From $421, select.
      San Juan.$421 per passenger.Departing Mon, 14 Dec, returning Thu, 17 Dec.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boston Logan International on Mon, 14 Dec, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Thu, 17 Dec, arriving in Boston Logan International.Price includes taxes and charges.From $421, select.
      San Juan.$437 per passenger.Departing Thu, 1 Oct, returning Sun, 11 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boston Logan International on Thu, 1 Oct, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Sun, 11 Oct, arriving in Boston Logan International.Price includes taxes and charges.From $437, select.
      San Juan.$454 per passenger.Departing Tue, 27 Oct, returning Fri, 6 Nov.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Tue, 27 Oct, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Delta departs from San Juan Luis Munoz Marin on Fri, 6 Nov, arriving in Boston Logan International.Price includes taxes and charges.From $454, select.
      San Juan.$455 per passenger.Departing Tue, 3 Nov, returning Fri, 13 Nov.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Tue, 3 Nov, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Delta departs from San Juan Luis Munoz Marin on Fri, 13 Nov, arriving in Boston Logan International.Price includes taxes and charges.From $455, select.
      San Juan.$455 per passenger.Departing Tue, 6 Oct, returning Thu, 15 Oct.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Tue, 6 Oct, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Delta departs from San Juan Luis Munoz Marin on Thu, 15 Oct, arriving in Boston Logan International.Price includes taxes and charges.From $455, select.
      San Juan.$459 per passenger.Departing Mon, 23 Nov, returning Wed, 2 Dec.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boston Logan International on Mon, 23 Nov, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Wed, 2 Dec, arriving in Boston Logan International.Price includes taxes and charges.From $459, select.
      San Juan.$495 per passenger.Departing Wed, 30 Sep, returning Mon, 5 Oct.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Wed, 30 Sep, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Mon, 5 Oct, arriving in Boston Logan International.Price includes taxes and charges.From $495, select.
      San Juan.$497 per passenger.Departing Sun, 31 Jan, returning Sun, 7 Feb.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Sun, 31 Jan, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Sun, 7 Feb, arriving in Boston Logan International.Price includes taxes and charges.From $497, select.
      San Juan.$497 per passenger.Departing Sun, 7 Feb, returning Sat, 13 Feb.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Sun, 7 Feb, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Sat, 13 Feb, arriving in Boston Logan International.Price includes taxes and charges.From $497, select.
      San Juan.$498 per passenger.Departing Tue, 17 Nov, returning Wed, 2 Dec.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Tue, 17 Nov, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Delta departs from San Juan Luis Munoz Marin on Wed, 2 Dec, arriving in Boston Logan International.Price includes taxes and charges.From $498, select.
      San Juan.$498 per passenger.Departing Sun, 10 Jan, returning Sat, 16 Jan.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Sun, 10 Jan, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Sat, 16 Jan, arriving in Boston Logan International.Price includes taxes and charges.From $498, select.
      San Juan.$498 per passenger.Departing Wed, 10 Mar, returning Thu, 18 Mar.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Wed, 10 Mar, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Thu, 18 Mar, arriving in Boston Logan International.Price includes taxes and charges.From $498, select.
      San Juan.$499 per passenger.Departing Mon, 8 Feb, returning Thu, 11 Mar.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Mon, 8 Feb, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Thu, 11 Mar, arriving in Boston Logan International.Price includes taxes and charges.From $499, select.
      San Juan.$519 per passenger.Departing Wed, 7 Apr, returning Fri, 7 May.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Wed, 7 Apr, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Fri, 7 May, arriving in Boston Logan International.Price includes taxes and charges.From $519, select.
      San Juan.$527 per passenger.Departing Sun, 23 May, returning Wed, 26 May.Return flight with United.Outbound indirect flight with United, departs from Boston Logan International on Sun, 23 May, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Wed, 26 May, arriving in Boston Logan International.Price includes taxes and charges.From $527, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Boston to San Juan found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from Boston to San Juan

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston to San Juan flights are currently cheapest in November.
      Sep
      from $581
      Oct
      from $437
      Nov
      from $421
      Dec
      from $421
      Jan
      from $498
      Feb
      from $497
      Mar
      from $498
      Apr
      from $592
      May
      from $527
      Jun
      from $527
      Jul
      from $697
      Aug
      from $635

      Direct flights from Boston to San Juan

      Aer Lingus
      Delta
      EL AL Israel Airlines
      Etihad Airways
      Frontier Airlines
      Icelandair
      Japan Airlines
      jetBlue
      Qatar Airways
      TAP Air Portugal
      Turkish Airlines

      Alternative Boston to San Juan routes

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

      San Juan Isla Grande

      1km from central San Juan
      Closest
      Search flights

      San Juan Luis Munoz Marin

      11km from central San Juan
      Cheapest
      from $420
      Search flights

      Roosevelt Roads

      55km from central San Juan
      Search flights

      Ponce

      70km from central San Juan
      from $555
      Search flights

      Vieques

      82km from central San Juan
      Search flights

      Culebra

      85km from central San Juan
      Search flights

      Boston to San Juan: Flight information

      The things to know before you go.
      Cheapest flight found$421
      Cheapest month to flyNovember
      Average flight time4 hrs, 4 mins
      Most popular airlinejetBlue
      Average flights per week95

      Finding cheap flights from Boston 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 to San Juan is $421. 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 to San Juan.
      jetBlue, Qatar Airways and Aer Lingus fly direct from Boston to San Juan.
      As of September 2026, there are 95 flights per week flying from Boston to San Juan.
      The cheapest month to fly from Boston to San Juan is usually November.
      If you're flying from Boston, 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 $421.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Boston to San Juan on Saturday, 14 November 2026.
      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 September, the average temperature is usually around 28°C. August is typically the warmest month in San Juan, when it usually averages around 30°C. You can expect the least rain in January. The coldest month is February, with temperatures averaging 22°C. The rainiest month is September.
      The cheapest airline that flies to San Juan is Frontier Airlines. And the cheapest airline that flies to San Juan Luis Munoz Marin Airport is Delta.

      How to find cheap flights to San Juan (SJUA) from Boston (BOSA) in 2024

      Looking for cheap tickets from Boston to San Juan? Return tickets start from $421 and one-way flights to San Juan from Boston start from $205


      Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

      • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets.
      • Compare flight deals to San Juan from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to San Juan start from $205 one-way.
      • Flex your dates to find the best BOSA-SJUA ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to San Juan from Boston.
      • Set up a Price Alert. You can easily track the fare of your cheap flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
      • Fly without stops. Only interested in direct flights between Boston and San Juan? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results. Airlines that fly direct include: jetBlue
        Qatar Airways
        Aer Lingus
        Etihad Airways
        TAP Air Portugal
        Delta
        Icelandair
        Japan Airlines
      • Find the cheapest Business class flights from Boston and San Juan. We scour the internet for the best Business, Premium Economy and First Class flight fares to San Juan, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
      • Include nearby airports in your search. Widen your search for Boston to San Juan flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
      • Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Boston and San Juan whenever you want.

      Combine your flight to San Juan from Boston with hotels and car hire

      Once you've secured your cheap flight ticket from Boston to San Juan, discover the best prices and exclusive rates for hotels in San Juan or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


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      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 12 days.