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£310 Cheap Flights from Dublin (DUB) to San Juan (SJU)

View £310 flight on Fri, 4 Sept 2026Opens in a new window

Popular airlines from Dublin Airport (DUB) to Luis Munoz Marin Intl. Airport (SJU)

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

Prices were available within the past 7 days and start at £310 for one-way flights and £485 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Wed, 19 Aug - Sat, 29 Aug
DUB
Dublin
SJU
San Juan
£485 Return, found 3 days ago
£485
Return
found 3 days ago
Select JetBlue Airways flight, departing Wed, 19 Aug from Dublin to San Juan, returning Sat, 29 Aug, priced at £485 found 3 days ago
JetBlue Airways
Tue, 1 Sept - Fri, 4 Sept
DUB
Dublin
SJU
San Juan
£486 Return, found 5 days ago
£486
Return
found 5 days ago
Select JetBlue Airways flight, departing Tue, 1 Sept from Dublin to San Juan, returning Fri, 4 Sept, priced at £486 found 5 days ago
JetBlue Airways
Sat, 18 Jul - Fri, 31 Jul
DUB
Dublin
SJU
San Juan
£492 Return, found 6 days ago
£492
Return
found 6 days ago
Select JetBlue Airways flight, departing Sat, 18 Jul from Dublin to San Juan, returning Fri, 31 Jul, priced at £492 found 6 days ago
JetBlue Airways
Wed, 19 Aug - Sat, 29 Aug
DUB
Dublin
SJU
San Juan
£502 Return, found 3 days ago
£502
Return
found 3 days ago
Select JetBlue Airways flight, departing Wed, 19 Aug from Dublin to San Juan, returning Sat, 29 Aug, priced at £502 found 3 days ago
JetBlue Airways
Wed, 22 Jul - Wed, 29 Jul
DUB
Dublin
SJU
San Juan
£520 Return, found 3 days ago
£520
Return
found 3 days ago
Select JetBlue Airways flight, departing Wed, 22 Jul from Dublin to San Juan, returning Wed, 29 Jul, priced at £520 found 3 days ago
JetBlue Airways
Fri, 14 Aug - Fri, 21 Aug
DUB
Dublin
SJU
San Juan
£522 Return, found 3 hours ago
£522
Return
found 3 hours ago
Select JetBlue Airways flight, departing Fri, 14 Aug from Dublin to San Juan, returning Fri, 21 Aug, priced at £522 found 3 hours ago
British Airways
Fri, 9 Apr - Mon, 19 Apr
DUB
Dublin
SJU
San Juan
£542 Return, found 4 days ago
£542
Return
found 4 days ago
Select British Airways flight, departing Fri, 9 Apr from Dublin to San Juan, returning Mon, 19 Apr, priced at £542 found 4 days ago
Iberia
Thu, 17 Sept - Sun, 20 Sept
DUB
Dublin
SJU
San Juan
£553 Return, found 3 days ago
£553
Return
found 3 days ago
Select Iberia flight, departing Thu, 17 Sept from Dublin to San Juan, returning Sun, 20 Sept, priced at £553 found 3 days ago
KLM
Wed, 17 Feb - Sat, 27 Feb
DUB
Dublin
SJU
San Juan
£600 Return, just found
£600
Return
just found
Select KLM flight, departing Wed, 17 Feb from Dublin to San Juan, returning Sat, 27 Feb, priced at £600 just found
Air France
Wed, 17 Feb - Sat, 27 Feb
DUB
Dublin
SJU
San Juan
£605 Return, just found
£605
Return
just found
Select Air France flight, departing Wed, 17 Feb from Dublin to San Juan, returning Sat, 27 Feb, priced at £605 just found

Frequently asked questions

How much does a flight from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.) cost?
You can find cheap one-way flights from £310 and cheap return flights from £485 DUB to SJU with Expedia. Return flights often range between £825 and £4335. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when DUB to SJU ticket fares go up or down.
What is the cheapest month to fly from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.)?
The cheapest months to fly from DUB to SJU are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.)?
Enter DUB to SJU and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.)?
Portugalia is one of the cheapest airlines offering connecting return flights from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.), with tickets starting from around £850 for flights that can be booked for departure within the next year. These flights typically include a layover in Humberto Delgado (LIS). Prices are per adult in economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.)?
To find a cheap flight from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.)?
There are around 50 connecting flights per day from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.). Some common connection points include Heathrow (LHR), John F. Kennedy Intl. (JFK), and Logan Intl. (BOS).
What is the earliest flight from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.)?
The earliest flight from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.) typically departs around 4:25 AM. This flight is operated by Portugalia, TAP Portugal, and JetBlue Airways. This is a seasonal service, active only in January. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.)?
You'll generally find the most flights from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.) on a Friday, with around 60 flights available. This gives you a good selection of options for your journey. Major airlines on this route include Aer Lingus, United, and Delta. Fridays offer notably more flight options compared to other days of the week, which typically see around 46 to 51 flights.
What are the most popular departure times for flights from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.)?
The most popular departure times for flights from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.) are between 9am and 12pm. Many major carriers, including Aer Lingus, Iberia and United, offer flights during this window. Many travellers prefer these morning flights as they allow for an early start to your journey, getting you to your destination with plenty of time left in the day.
How long does it take to fly from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.)?
There are no nonstop flights from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.). For flights with one stop, you can expect the journey to take around 14 hours. If your flight has two or more stops, the travel time typically increases to about 19 hours 30 minutes. The total distance covered on this route is approximately 6,384 kilometers. Keep in mind that these are average times, and your actual travel duration can vary depending on the specific routing, layover times, and factors like weather.
Can you fly business or first class from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.)?
Yes, you can fly business class between DUB and SJU. Airlines that offer business class service on this route include:
  • Iberia
  • Delta
  • Icelandair
  • Aer Lingus
  • British Airways
  • United
  • Iberia Express
  • American Airlines
How do I earn miles on a Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.) flight with Expedia?
It's easy to earn miles on a Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Juan (SJU) from Dublin (DUB)?
If you're planning to travel to San Juan from DUB, you can fly directly into Luis Munoz Marin Intl. (SJU). Some flights may connect through major hubs like Heathrow (LHR), Schiphol (AMS), or Roissy-Charles de Gaulle (CDG) before reaching San Juan. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.) at the last minute?
Typically, booking a last minute flight from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.) flight and hotel package?
Securing a Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.)?
If you booked your Dublin (DUB) to San Juan (SJU-Luis Munoz Marin Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Dublin
Destination airport
Luis Munoz Marin Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, British Airways, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, TAP Portugal
Return price
£485
Distance
6346 km

Book with confidence

Compare flights from Dublin to San Juan easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Dublin to San Juan. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Luis Munoz Marin Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Dublin to Luis Munoz Marin Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Dublin (DUB) to Luis Munoz Marin Intl. (SJU)

The easiest way to view the best deals on flights from Dublin to San Juan today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Dublin to Luis Munoz Marin Intl. start at just £485 and range up to £605.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Dublin and San Juan
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Dublin to San Juan flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Dublin to Luis Munoz Marin Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Dublin to San Juan easily and book with confidence

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*Available to Expedia members.