Cheap Flights from Dublin (DUB) to San Juan (SJUA)

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 Airport 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 £525. Find the lowest prices on one-way and return tickets right here.

San Juan.£379 per passenger.Departing Thu, 28 May, returning Tue, 2 Jun.Return flight with jetBlue.Outbound indirect flight with jetBlue, departs from Dublin on Thu, 28 May, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with jetBlue, departs from San Juan Luis Munoz Marin on Tue, 2 Jun, arriving in Dublin.Price includes taxes and charges.From £379, select.

San Juan.£422 per passenger.Departing Fri, 1 May, returning Fri, 8 May.Return flight with jetBlue.Outbound indirect flight with jetBlue, departs from Dublin on Fri, 1 May, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with jetBlue, departs from San Juan Luis Munoz Marin on Fri, 8 May, arriving in Dublin.Price includes taxes and charges.From £422, select.

San Juan.£512 per passenger.Departing Fri, 4 Dec, returning Sat, 12 Dec.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Dublin on Fri, 4 Dec, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with British Airways, departs from San Juan Luis Munoz Marin on Sat, 12 Dec, arriving in Dublin.Price includes taxes and charges.From £512, select.

San Juan.£525 per passenger.Departing Mon, 13 Apr, returning Mon, 20 Apr.Return flight with Ryanair and Spirit Airlines.Outbound indirect flight with Ryanair, departs from Dublin on Mon, 13 Apr, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Spirit Airlines, departs from San Juan Luis Munoz Marin on Mon, 20 Apr, arriving in Dublin.Price includes taxes and charges.From £525, select.

San Juan.£542 per passenger.Departing Tue, 28 Apr, returning Tue, 5 May.Return flight with Ryanair and jetBlue.Outbound indirect flight with Ryanair, departs from Dublin on Tue, 28 Apr, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with jetBlue, departs from San Juan Luis Munoz Marin on Tue, 5 May, arriving in Dublin.Price includes taxes and charges.From £542, select.

San Juan.£543 per passenger.Departing Mon, 8 Jun, returning Thu, 18 Jun.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Dublin on Mon, 8 Jun, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with British Airways, departs from San Juan Luis Munoz Marin on Thu, 18 Jun, arriving in Dublin.Price includes taxes and charges.From £543, select.

San Juan.£544 per passenger.Departing Mon, 12 Oct, returning Sat, 17 Oct.Return flight with jetBlue.Outbound indirect flight with jetBlue, departs from Dublin on Mon, 12 Oct, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with jetBlue, departs from San Juan Luis Munoz Marin on Sat, 17 Oct, arriving in Dublin.Price includes taxes and charges.From £544, select.

San Juan.£547 per passenger.Departing Thu, 12 Nov, returning Tue, 24 Nov.Return flight with British Airways and Iberia.Outbound indirect flight with British Airways, departs from Dublin on Thu, 12 Nov, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Iberia, departs from San Juan Luis Munoz Marin on Tue, 24 Nov, arriving in Dublin.Price includes taxes and charges.From £547, select.

San Juan.£564 per passenger.Departing Fri, 8 Jan, returning Tue, 26 Jan.Return flight with British Airways and Iberia.Outbound indirect flight with British Airways, departs from Dublin on Fri, 8 Jan, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Iberia, departs from San Juan Luis Munoz Marin on Tue, 26 Jan, arriving in Dublin.Price includes taxes and charges.From £564, select.

San Juan.£564 per passenger.Departing Thu, 19 Mar, returning Tue, 24 Mar.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Dublin on Thu, 19 Mar, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with American Airlines, departs from San Juan Luis Munoz Marin on Tue, 24 Mar, arriving in Dublin.Price includes taxes and charges.From £564, select.

San Juan.£571 per passenger.Departing Thu, 28 Jan, returning Tue, 9 Feb.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Dublin on Thu, 28 Jan, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Iberia, departs from San Juan Luis Munoz Marin on Tue, 9 Feb, arriving in Dublin.Price includes taxes and charges.From £571, select.

San Juan.£599 per passenger.Departing Mon, 14 Dec, returning Sun, 10 Jan.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Dublin on Mon, 14 Dec, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Air France, departs from San Juan Luis Munoz Marin on Sun, 10 Jan, arriving in Dublin.Price includes taxes and charges.From £599, select.

San Juan.£605 per passenger.Departing Mon, 19 Oct, returning Mon, 2 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Dublin on Mon, 19 Oct, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Delta, departs from San Juan Luis Munoz Marin on Mon, 2 Nov, arriving in Dublin.Price includes taxes and charges.From £605, select.

San Juan.£621 per passenger.Departing Sun, 19 Jul, returning Sun, 26 Jul.Return flight with jetBlue.Outbound indirect flight with jetBlue, departs from Dublin on Sun, 19 Jul, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with jetBlue, departs from San Juan Luis Munoz Marin on Sun, 26 Jul, arriving in Dublin.Price includes taxes and charges.From £621, select.

San Juan.£624 per passenger.Departing Wed, 9 Sep, returning Sun, 13 Sep.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Dublin on Wed, 9 Sep, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with KLM, departs from San Juan Luis Munoz Marin on Sun, 13 Sep, arriving in Dublin.Price includes taxes and charges.From £624, select.

San Juan.£629 per passenger.Departing Tue, 29 Sep, returning Sat, 3 Oct.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Dublin on Tue, 29 Sep, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with KLM, departs from San Juan Luis Munoz Marin on Sat, 3 Oct, arriving in Dublin.Price includes taxes and charges.From £629, 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 May.

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

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.

Dublin to San Juan: Flight information

The things to know before you go.

Cheapest flight found	£379
Cheapest month to fly	May

Finding cheap flights from Dublin to San Juan: Frequently asked questions

How many airports are there in San Juan?

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.

How much are return flights from Dublin to San Juan?

The best price we found for a return flight from Dublin to San Juan is £379. 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.

Which airlines fly direct from Dublin to San Juan?

Currently, there are no airlines that fly direct from Dublin to San Juan. But we found flights with one or more stops from £379.

How many flights are there a week from Dublin to San Juan?

As of March 2026, there are no flights flying from Dublin to San Juan.

When is the cheapest time to fly from Dublin to San Juan?

The cheapest month to fly from Dublin to San Juan is usually May.

Which is the cheapest airport to fly into in San Juan?

If you're flying from Dublin Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 7.0 miles away from the centre of San Juan. We've found flights into this airport from £379.

Which upcoming date is cheapest to fly from Dublin Airport to San Juan on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to San Juan on Thursday, 28 May 2026.

Can I get a direct flight from Dublin Airport to San Juan?

No airlines currently offer direct flights between Dublin Airport and San Juan. Most routes have one or more stops.

How can I get the best flight deal from Dublin Airport to San Juan?

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.

When is the best time to book flights to San Juan?

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.

What’s the weather like in San Juan?

In March, the average temperature is usually around 25°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.

Which is the cheapest airline to fly from Dublin Airport to San Juan with?

Currently, jetBlue 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.
Give yourself enough time to get on your DUB to San Juan flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.
If you're heading away during a bank holiday or another peak period, allow for even more time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.
Think about adding a stopover to potentially score a cheaper plane ticket from DUB to San Juan. All you need to do is deselect 'Direct flights only' during your search. Break up your journey by stopping at one of these connecting airports:
- Adolfo Suarez Madrid-Barajas Airport (MAD)
- Logan International Airport (BOS)
- Philadelphia International Airport (PHL)
Travelling from central Dublin to DUB takes about 2 hours 10 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 5 miles in 30 minutes or so, depending on traffic conditions.
Want a stress-free start to your travels? Stay near DUB. Whether you've booked an early flight from Dublin Airport to San Juan or just don't like being rushed, these hotels are just the thing:
Of all flights departing from Dublin Airport, 72.87% touch down on time at their destination.

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

The best price we've seen for a one-way Dublin Airport to San Juan flight is £295. The cheapest price for a return flight is £379. Keep in mind fares may change due to availability at the time of booking.
Don't leave things to the last minute. You're more likely to land cheap flights from DUB to San Juan if you book in advance. Airlines often offer some amazing early bird rates.
Scoring cheap tickets from Dublin Airport to San Juan is easier if you're flexible with your trip dates. Use the 'Whole month' tool to access the best prices across each month and bag an awesome deal.
Locking in a cheap flight from DUB to San Juan is a breeze with Price Alerts. Simply set up one of these automatic notifications and we'll get in touch when a deal gets even better.
Pick your ideal 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 'Best,' 'Fastest' or 'Cheapest.'

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

Luis Munoz Marin International Airport (SJU) is around 5 miles from central San Juan. If you're grabbing a cab or a ride-share, the drive takes about 10 minutes.
When travelling by public transport, expect a journey time of around 55 minutes.
Consider staying in a hotel near SJU if you have a late flight from Dublin Airport to San Juan. Choose one of these accommodation options and make your arrival easier:
Grab a Luis Munoz Marin International Airport rental car and explore 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 get the lowest price, book your ride from Luis Munoz Marin International Airport around two weeks ahead of your flight from DUB to San Juan.

Fernando Luis Ribas Dominicci Airport (SIG)

The centre of San Juan is about 5 miles from Fernando Luis Ribas Dominicci Airport (SIG). Once your flight from Dublin Airport to San Juan has hit the runway and you've made your way through the terminal, the drive should be around 15 minutes.
If you travel by public transport, you'll reach the centre in 1 hour or so.
After stepping off your DUB to San Juan flight, rest your head at a hotel close to SIG. These are some comfortable accommodation options that'll help you slip into relaxation mode:

Best time to go to San Juan

Carefully consider your travel dates before booking your flight from Dublin Airport to San Juan. The city comes alive during peak season, but hotel rates are generally higher and major attractions can get crowded. Go to San Juan in the low season for a more relaxed vibe.
Before locking in your Dublin Airport to San Juan plane ticket, think about what kind of weather works for you. September is the warmest month in San Juan, with temperatures ranging from 23ºC (73ºF) to 33ºC (91ºF).
If you'd rather travel in cooler conditions, search for a cheap ticket from DUB to San Juan in February when temperatures average between 20ºC (68ºF) and 28ºC (82ºF).

More about San Juan

After booking your flight from Dublin Airport to San Juan, find a hotel that offers the right mix of comfort and location. Make one of these accommodation options your base for exploring San Juan:
Every great holiday has to include a little sightseeing. La Garita del morro de san juan bahia, Castillo San Felipe del Morro and Fortaleza Street are must-do's during your San Juan adventure.

Explore more of Puerto Rico

Aguadilla is just one of the many cities in Puerto Rico waiting to be explored after you've experienced San Juan. Around 70 miles away to the west, check out popular attractions including El Parterre, Aguadilla Ice Skating Arena and Bandera de los Reyes Magos.
Around 65 miles west of San Juan, Isabela is another essential stop in Puerto Rico. Get a taste of what this destination has to offer at Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania.