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Cheap flights from Dublin to San Juan from £517

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SJU
31 Aug — 7 Sep1
1 adult

Cheap flight deals from Dublin to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 August 2025.

Round-trip from

£517

Popular in

October

Cheapest in

June

Average price

£620
JetBlue
  • JetBlue
  • 23/9-6/10
  • 2 total stops
  • 29h 54m total
  • Dublin to San Juan
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£57 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Dublin to San Juan

Cheapest flights from Dublin to San Juan
Explore the most affordable flight options available from Dublin to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

Tue 23/911:30DUB - SJU
1 stop14h 54mJetBlue
Mon 6/1013:00SJU - DUB
1 stop15h 00mJetBlue
Deal found 23/8£517
Fri 5/1213:25DUB - SJU
2 stops27h 33mDelta
Mon 8/1207:00SJU - DUB
2 stops20h 50mDelta
Deal found 24/8£537
Tue 23/905:55DUB - SJU
2 stops22h 52mDelta
Tue 30/907:30SJU - DUB
2 stops20h 45mDelta
Deal found 23/8£557
Thu 9/1009:10DUB - SJU
2 stops19h 46mMultiple Airlines
Thu 16/1014:31SJU - DUB
1 stop13h 14mMultiple Airlines
Deal found 25/8£564
Tue 23/909:10DUB - SJU
2 stops19h 37mMultiple Airlines
Mon 6/1013:06SJU - DUB
2 stops16h 39mMultiple Airlines
Deal found 23/8£571
Wed 10/913:15DUB - SJU
2 stops27h 33mDelta
Sun 14/907:30SJU - DUB
1 stop20h 15mDelta
Deal found 24/8£576
Mon 15/909:10DUB - SJU
2 stops19h 34mDelta
Sun 28/918:00SJU - DUB
2 stops17h 40mDelta
Deal found 24/8£583
Tue 23/909:20DUB - SJU
2 stops33h 25mUnited Airlines
Sun 5/1001:05SJU - DUB
2 stops25h 40mUnited Airlines
Deal found 23/8£706
Wed 10/913:35DUB - SJU
1 stop15h 22mUnited Airlines
Sun 14/914:55SJU - DUB
1 stop15h 15mUnited Airlines
Deal found 25/8£714

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dublin to San Juan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 August 2025.
Use the filters below to find and compare flights from Dublin to San Juan that are best for you.

Fly from

Dublin

Fly to

San Juan

Route

Depart

Return

Price

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 23/9

11:30-21:24

1 stop14h 54m

San Juan Luis Munoz Marin Intl

Mon 6/10

13:00-09:00

1 stop15h 00m

£517

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/12

08:50-23:50

2 stops19h 00m

San Juan Luis Munoz Marin Intl

Mon 8/12

14:26-15:45

2 stops21h 19m

£537

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 23/9

05:55-23:47

2 stops22h 52m

San Juan Luis Munoz Marin Intl

Mon 6/10

07:00-09:15

1 stop21h 15m

£557

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 23/9

05:55-23:47

2 stops22h 52m

San Juan Luis Munoz Marin Intl

Tue 30/9

07:30-09:15

2 stops20h 45m

£557

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 9/10

09:10-23:56

2 stops19h 46m

San Juan Luis Munoz Marin Intl

Thu 16/10

13:06-10:45

2 stops16h 39m

£564

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 23/9

09:10-23:47

2 stops19h 37m

San Juan Luis Munoz Marin Intl

Mon 6/10

13:06-10:45

2 stops16h 39m

£571

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 10/9

13:15-11:48

2 stops27h 33m

San Juan Luis Munoz Marin Intl

Sun 14/9

07:30-08:45

1 stop20h 15m

£576

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 15/9

09:10-23:44

2 stops19h 34m

San Juan Luis Munoz Marin Intl

Sun 28/9

18:00-16:40

2 stops17h 40m

£583

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sun 22/2

04:25-01:51

2 stops25h 26m

£560

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Best time to book a flight from Dublin to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Dublin with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dublin to San Juan

What is the cheapest month to book a flight from Dublin to San Juan?

Currently, April is the cheapest month in which you can book a flight from Dublin to San Juan (average of £631). Flying from Dublin to San Juan in July is currently the most expensive (average of £1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Dublin to San Juan?

Related info for your journey

Find useful and relevant information for your journey from Dublin to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Dublin to San Juan?

    If you book a flight to San Juan from Dublin, you will be flying from Dublin, which is the city’s only airport. Dublin (DUB) is located 5.7 mi from the center of Dublin. There are 0 flights from Dublin to San Juan per day from 0 different airlines.

  • How long is the flight from Dublin to San Juan?

    Departing from Dublin to San Juan will take you 14h 54m. Dublin and San Juan are separated by a distance of 3963 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Dublin to San Juan that include hotel bookings?

    Yes. In addition to deals on Dublin to San Juan flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dublin to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to San Juan.

  • Can I find deals for business class flights from Dublin to San Juan?

    Yes. Cheapflights offers flight deals from Dublin to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dublin to San Juan?

    Currently, April is the cheapest month in which you can book a flight from Dublin to San Juan (average of £631). Flying from Dublin to San Juan in July is currently the most expensive (average of £1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dublin to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to Luis Munoz Marin Intl flights

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How does Cheapflights help users find flights from Dublin to San Juan?

Cheapflights makes it easy to find Dublin to San Juan flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Dublin to San Juan?

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Can Cheapflights find flights from Dublin to San Juan with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dublin to San Juan flexibly with Cheapflights today.

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Of course! You can now track prices for flights from Dublin to San Juan and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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