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Cheap Flights from Dublin to San Juan

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      Travellers and cabin class, 1 Adult, Economy

      Compare Dublin 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 Dublin to San Juan

      Looking for a cheap last-minute deal or the best return flight from Dublin Airport to San Juan? If you want to travel next month, return fares start from ج.م.‏ 37,140. Find the lowest prices on one-way and return tickets right here.
      San Juan.ج.م.‏ 22,869 per passenger.Departing Tue, 27 Oct.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Dublin on Tue, 27 Oct, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From ج.م.‏ 22,869, select.
      San Juan.ج.م.‏ 23,162 per passenger.Departing Wed, 2 Dec.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Wed, 2 Dec, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From ج.م.‏ 23,162, select.
      San Juan.ج.م.‏ 23,162 per passenger.Departing Tue, 10 Nov.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Tue, 10 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From ج.م.‏ 23,162, select.
      San Juan.ج.م.‏ 23,438 per passenger.Departing Wed, 3 Mar.One-way flight with Iberia Express.Outbound indirect flight with Iberia Express, departs from Dublin on Wed, 3 Mar, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From ج.م.‏ 23,438, select.
      San Juan.ج.م.‏ 23,454 per passenger.Departing Mon, 8 Feb.One-way flight with Iberia Express.Outbound indirect flight with Iberia Express, departs from Dublin on Mon, 8 Feb, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From ج.م.‏ 23,454, select.
      San Juan.ج.م.‏ 23,818 per passenger.Departing Wed, 7 Apr.One-way flight with Iberia Express.Outbound indirect flight with Iberia Express, departs from Dublin on Wed, 7 Apr, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From ج.م.‏ 23,818, select.
      San Juan.ج.م.‏ 24,029 per passenger.Departing Tue, 29 Sep.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Tue, 29 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From ج.م.‏ 24,029, select.
      San Juan.ج.م.‏ 24,216 per passenger.Departing Sun, 30 Aug.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Dublin on Sun, 30 Aug, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From ج.م.‏ 24,216, select.
      San Juan.ج.م.‏ 28,016 per passenger.Departing Fri, 7 May.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Fri, 7 May, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From ج.م.‏ 28,016, select.
      San Juan.ج.م.‏ 30,942 per passenger.Departing Wed, 20 Jan.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Dublin on Wed, 20 Jan, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From ج.م.‏ 30,942, select.
      San Juan.ج.م.‏ 31,108 per passenger.Departing Sun, 13 Jun.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Sun, 13 Jun, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From ج.م.‏ 31,108, select.
      San Juan.ج.م.‏ 31,474 per passenger.Departing Sun, 18 Jul.One-way flight with SWISS.Outbound indirect flight with SWISS, departs from Dublin on Sun, 18 Jul, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From ج.م.‏ 31,474, select.

      Find the cheapest month to fly from Dublin to San Juan

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to San Juan flights are currently cheapest in October.
      Aug
      from ج.م.‏ 24,216
      Sep
      from ج.م.‏ 24,029
      Oct
      from ج.م.‏ 22,869
      Nov
      from ج.م.‏ 23,162
      Dec
      from ج.م.‏ 23,162
      Jan
      from ج.م.‏ 30,942
      Feb
      from ج.م.‏ 23,454
      Mar
      from ج.م.‏ 23,438
      Apr
      from ج.م.‏ 23,818
      May
      from ج.م.‏ 28,016
      Jun
      from ج.م.‏ 31,108
      Jul
      from ج.م.‏ 31,474

      Alternative Dublin to San Juan routes

      Looking for the cheapest, fastest or easiest route from Dublin 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 ج.م.‏ 22,869
      Search flights

      Roosevelt Roads

      55km from central San Juan
      Search flights

      Ponce

      70km from central San Juan
      from ج.م.‏ 28,254
      Search flights

      Vieques

      82km from central San Juan
      Search flights

      Culebra

      85km from central San Juan
      Search flights

      Dublin to San Juan: Flight information

      The things to know before you go.
      Cheapest flight foundج.م.‏ 22,869
      Cheapest month to flyOctober

      Finding cheap flights from Dublin 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 Dublin to San Juan is ج.م.‏ 30,122. 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.
      Currently, there are no airlines that fly direct from Dublin to San Juan. But we found flights with one or more stops from ج.م.‏ 30,122.
      As of August 2026, there are no flights flying from Dublin to San Juan.
      The cheapest month to fly from Dublin to San Juan is usually September.
      If you're flying from Dublin 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 ج.م.‏ 30,122.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to San Juan on Friday, 18 September 2026.
      No airlines currently offer direct flights between Dublin Airport and San Juan. Most routes have one or more stops.
      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, Aer Lingus offers the cheapest flight tickets to San Juan.

      Flying from Dublin Airport (DUB) to San Juan: what you need to know

      • Dublin Airport is located in Dublin. Following the UTC-4 timezone, San Juan is four hours behind Dublin.

      • To avoid missing your DUB to San Juan flight, leave plenty of time to check in and find your gate. Arriving two hours before international departures and an hour before domestic flights is the general rule.

      • Travelling during a peak time such as July? School holidays and other popular periods can mean longer lines at check-in and security. Play it safe and arrive up to four hours before an international flight and two hours before a domestic departure.

      • A stopover is the perfect opportunity to take a break from travelling and maybe even explore another city. When searching for plane tickets from DUB to San Juan, uncheck the 'Direct flights only' box to see where you can visit along the way. Some popular options include:

        • Adolfo Suarez Madrid-Barajas Airport (MAD)

        • Boston Logan International Airport (BOS)

        • Philadelphia International Airport (PHL)

      • DUB is about 8 kilometres from central Dublin. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 25 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the journey time to be around 30 minutes.

      • Planning to catch an early flight from Dublin Airport to San Juan? Avoid the hassle of rushing to the airport (and sneak in some extra snooze time) by choosing one of these stays close to DUB:

      • 77% of flights departing from Dublin Airport touch down at their destination on time.

      How to find the cheapest flights from Dublin Airport (DUB) to San Juan

      • ج.م.‏ 22,869 is currently the best price for a one-way Dublin Airport to San Juan flight. A return plane ticket starts from ج.م.‏ 30,122. These prices may change depending on demand.

      • Don't wait until the last minute. You're more likely to find cheap flights from DUB to San Juan if you book early. Airlines often offer some great early bird rates.

      • Scoring cheap tickets from Dublin Airport to San Juan is more likely if you're flexible with your trip dates. Use the 'Whole month' search function to get the best prices across the month and score a fantastic deal.

      • Save time looking for cheap flights from DUB to San Juan by setting up a Price Alert. You'll receive an email or notification on the app when a special offer becomes available.

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

      Airports in San Juan

      Luis Munoz Marin International Airport (SJU)

      • The distance from Luis Munoz Marin International Airport (SJU) to central San Juan is roughly 11 kilometres. It'll take you around 20 minutes to reach the centre driving.

      • It'll take around 1 hour to get there using public transport.

      • Consider booking a hotel near SJU if you have a late flight from Dublin Airport to San Juan. Pick one of these options and make your arrival easier:

      • Reserving your ride from Luis Munoz Marin International Airport around two weeks ahead of your flight from DUB to San Juan can help you lock in the lowest rate.

      Best time to go to San Juan

      • December is the quietest month for flights from Dublin Airport to San Juan, while March is the busiest. Choose the ideal time to go to San Juan based on whether you prefer a laid-back vibe or a lively atmosphere.

      • The warmest month in San Juan is August, with temperatures ranging between 24ºC and 32ºC. Lock in your Dublin Airport to San Juan plane ticket then if this is the type of weather you enjoy.

      • If you like travelling in cooler conditions, look for a cheap ticket from DUB to San Juan in February when temperatures average between 21ºC and 28ºC.

      More about San Juan

      Explore more of Puerto Rico

      • San Juan has plenty going for it, but there are so many other parts of Puerto Rico just waiting to be explored. About 113 kilometres west of San Juan, a trip to Aguadilla will fill your itinerary to the brim. Don't miss top attractions like Silla Aguadilla, Bridges Surf Beach and Playa Rompe Olas.

      • Around 105 kilometres west of San Juan, Isabela is another essential stop in Puerto Rico. Experience major highlights starting with Playa montones, Shore Island Beach and Guajataca Forest Reserve.

      Plan the rest of your trip from Dublin to San Juan

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.