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Cheap flights from Dublin to San Juan from £413

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SJU
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 18 September 2025.

Round-trip from

£476

One-way from

£413

Popular in

October

Cheapest in

May

Average price

£791
British Airways
  • British Airways
  • 12/1-5/2
  • 4 total stops
  • 35h 50m total
  • Dublin to San Juan
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23/2
  • 23/2
  • 1 total stop
  • 16h 00m total
  • Dublin to San Juan
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£84 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
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Average for round-trip flights in September 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 18 September 2025.

Fri 31/1011:30DUB - SJU
1 stop16h 29mBritish Airways
Thu 13/1112:55SJU - DUB
2 stops16h 55mBritish Airways
Deal found 17/9£480
Fri 5/1208:50DUB - SJU
2 stops19h 13mKLM
Mon 8/1213:57SJU - DUB
1 stop13h 48mKLM
Deal found 17/9£491
Fri 31/1009:45DUB - SJU
1 stop29h 51mKLM
Thu 13/1114:10SJU - DUB
1 stop14h 35mKLM
Deal found 17/9£493
Sun 2/1111:30DUB - SJU
2 stops16h 28mMultiple Airlines
Sun 9/1112:55SJU - DUB
2 stops15h 45mMultiple Airlines
Deal found 18/9£510
Fri 5/1209:45DUB - SJU
1 stop17h 25mDelta
Mon 8/1213:57SJU - DUB
1 stop13h 48mDelta
Deal found 17/9£537
Fri 5/1209:00DUB - SJU
2 stops40h 00mUnited Airlines
Sun 7/1202:05SJU - DUB
2 stops26h 05mUnited Airlines
Deal found 17/9£662
Sun 2/1109:30DUB - SJU
2 stops16h 52mUnited Airlines
Sat 8/1102:05SJU - DUB
2 stops26h 05mUnited Airlines
Deal found 18/9£667
Thu 4/1204:25DUB - SJU
2 stops23h 29mTAP AIR PORTUGAL
Mon 8/1205:15SJU - DUB
2 stops30h 55mTAP AIR PORTUGAL
Deal found 17/9£878
Fri 14/1111:40DUB - SJU
1 stop16h 14mMultiple Airlines
Sat 22/1106:16SJU - DUB
1 stop18h 04mMultiple Airlines
Deal found 18/9£2,213
Fri 14/1112:05DUB - SJU
2 stops30h 45mAir Canada
Sat 22/1115:40SJU - DUB
1 stop35h 30mAir Canada
Deal found 18/9£2,430

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 18 September 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

Mon 12/1

08:50-23:40

2 stops18h 50m

San Juan Luis Munoz Marin Intl

Thu 5/2

12:50-09:50

2 stops17h 00m

£476

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 31/10

11:30-23:59

1 stop16h 29m

San Juan Luis Munoz Marin Intl

Fri 7/11

18:42-15:05

2 stops16h 23m

£483

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 6/2

11:30-23:40

1 stop16h 10m

San Juan Luis Munoz Marin Intl

Mon 16/2

14:40-08:40

1 stop14h 00m

£490

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 31/10

09:45-21:59

1 stop16h 14m

San Juan Luis Munoz Marin Intl

Fri 7/11

14:06-08:45

1 stop14h 39m

£490

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 12/1

11:30-23:40

1 stop16h 10m

San Juan Luis Munoz Marin Intl

Thu 5/2

17:01-08:40

1 stop11h 39m

£490

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 31/10

12:55-11:06

2 stops26h 11m

San Juan Luis Munoz Marin Intl

Fri 7/11

08:20-08:40

2 stops20h 20m

£490

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/12

08:50-00:03

2 stops19h 13m

San Juan Luis Munoz Marin Intl

Mon 8/12

13:57-07:45

1 stop13h 48m

£491

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 31/10

09:45-11:36

1 stop29h 51m

San Juan Luis Munoz Marin Intl

Thu 13/11

14:10-08:45

1 stop14h 35m

£493

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 31/10

12:55-11:06

2 stops26h 11m

San Juan Luis Munoz Marin Intl

Thu 13/11

12:55-08:40

2 stops15h 45m

£493

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 23/2

11:30-23:30

1 stop16h 00m

£413

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 11 results
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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.

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 29m. 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

Fly with Cheapflights

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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?

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.

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