Find flights
When to book
FAQs

Cheap flights from Dublin to San Juan from £296

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SJU
3 Feb — 10 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to San Juan

Enter your travel dates to find the best prices.

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 4 January 2026.

Thu 15/111:30DUB - SJU
1 stop16h 26mBritish Airways
Wed 28/113:24SJU - DUB
2 stops20h 41mBritish Airways
Deal found 3/1£484
Sun 1/210:45DUB - SJU
1 stop17h 12mDelta
Sun 8/207:00SJU - DUB
1 stop21h 45mDelta
Deal found 4/1£496
Sat 17/110:45DUB - SJU
1 stop17h 12mDelta
Mon 26/107:00SJU - DUB
1 stop21h 45mDelta
Deal found 3/1£497
Fri 13/308:50DUB - SJU
2 stops17h 50mBritish Airways
Tue 17/318:01SJU - DUB
2 stops16h 19mBritish Airways
Deal found 3/1£505
Wed 8/412:40DUB - SJU
1 stop14h 25mBritish Airways
Fri 24/411:43SJU - DUB
2 stops16h 57mBritish Airways
Deal found 3/1£531
Wed 22/410:40DUB - SJU
1 stop16h 32mJetBlue
Wed 29/410:00SJU - DUB
1 stop18h 00mJetBlue
Deal found 3/1£539
Mon 12/106:40DUB - SJU
2 stops21h 16mBritish Airways
Sun 25/107:00SJU - DUB
1 stop21h 40mBritish Airways
Deal found 4/1£554
Mon 12/108:50DUB - SJU
2 stops19h 07mDelta
Sun 25/106:15SJU - DUB
2 stops22h 30mDelta
Deal found 3/1£572
Sun 1/210:40DUB - SJU
2 stops23h 31mUnited Airlines
Sun 8/207:45SJU - DUB
2 stops20h 25mUnited Airlines
Deal found 4/1£686

Find 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 4 January 2026.

Round-trip from

£484

One-way from

£296

Popular in

March

Cheapest in

May

Average price

£682
British Airways
  • British Airways
  • 15/1-28/1
  • 3 total stops
  • 37h 07m total
  • Dublin to San Juan
Search Deals
16/4
  • 16/4
  • 2 total stops
  • 39h 30m total
  • Dublin to San Juan
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£78 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 4 January 2026.
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

Thu 15/1

11:30-23:56

1 stop16h 26m

San Juan Luis Munoz Marin Intl

Wed 28/1

13:24-14:05

2 stops20h 41m

£484

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 17/1

10:45-23:57

1 stop17h 12m

San Juan Luis Munoz Marin Intl

Mon 26/1

07:00-08:45

1 stop21h 45m

£497

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 13/3

08:50-22:40

2 stops17h 50m

San Juan Luis Munoz Marin Intl

Tue 17/3

18:01-14:20

2 stops16h 19m

£505

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 8/4

12:40-22:05

1 stop14h 25m

San Juan Luis Munoz Marin Intl

Fri 24/4

11:43-09:40

2 stops16h 57m

£531

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 22/4

10:40-22:12

1 stop16h 32m

San Juan Luis Munoz Marin Intl

Wed 29/4

10:00-09:00

1 stop18h 00m

£539

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sun 1/2

10:40-06:11

2 stops23h 31m

San Juan Luis Munoz Marin Intl

Sun 8/2

07:45-08:10

2 stops20h 25m

£686

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 22/6

16:45-13:35

2 stops25h 50m

San Juan Luis Munoz Marin Intl

Tue 30/6

17:15-12:10

1 stop13h 55m

£819

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 22/6

11:45-22:20

1 stop15h 35m

San Juan Luis Munoz Marin Intl

Tue 30/6

07:29-11:40

2 stops23h 11m

£845

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 31/3

12:40-22:40

1 stop15h 00m

San Juan Luis Munoz Marin Intl

Mon 6/4

13:30-06:30

1 stop12h 00m

£1,743

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 2/4

07:30-19:05

2 stops16h 35m

San Juan Luis Munoz Marin Intl

Tue 7/4

13:25-11:15

2 stops16h 50m

£1,766

Flights are sorted by cheapest return flights first.

Deals found on 2/1

Showing 1-10 of 17 results
1
2

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, May is the cheapest month in which you can book a flight from Dublin to San Juan (average of £439). Flying from Dublin to San Juan in September is currently the most expensive (average of £802). 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.

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 16h 26m. 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, May is the cheapest month in which you can book a flight from Dublin to San Juan (average of £439). Flying from Dublin to San Juan in September is currently the most expensive (average of £802). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dublin to San Juan.

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.

Can Cheapflights notify me if prices for flights from Dublin to San Juan become cheaper?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.