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Cheap flights from Dublin to San Juan from £370

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SJU
23 Apr — 30 Apr1
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 18 April 2025.

Round-trip from

£482

One-way from

£370

Popular in

October

Cheapest in

May

Average price

£489
Air France
  • Air France
  • 9/5-16/5
  • 3 total stops
  • 53h 47m total
  • Dublin to San Juan
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JetBlue
  • JetBlue
  • 29/4
  • 1 total stop
  • 19h 14m total
  • Dublin to San Juan
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£35 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
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Average for round-trip flights in April 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 April 2025.

Fri 9/509:10DUB - SJU
2 stops19h 32mAir France
Fri 16/518:00SJU - DUB
1 stop34h 15mAir France
Deal found 17/4£482
Thu 22/513:15DUB - SJU
1 stop15h 27mDelta
Thu 29/513:39SJU - DUB
1 stop16h 06mDelta
Deal found 17/4£492
Thu 22/513:15DUB - SJU
1 stop15h 27mKLM
Thu 29/513:12SJU - DUB
2 stops18h 23mKLM
Deal found 17/4£499
Sun 1/611:30DUB - SJU
1 stop19h 19mJetBlue
Sun 8/608:50SJU - DUB
1 stop18h 30mJetBlue
Deal found 16/4£510
Fri 9/513:25DUB - SJU
2 stops27h 06mMultiple Airlines
Thu 15/501:59SJU - DUB
2 stops21h 56mMultiple Airlines
Deal found 17/4£594
Thu 22/513:35DUB - SJU
1 stop15h 22mUnited Airlines
Wed 28/501:05SJU - DUB
2 stops25h 05mUnited Airlines
Deal found 17/4£706
Fri 9/511:05DUB - SJU
1 stop15h 25mAer Lingus
Thu 15/501:05SJU - DUB
1 stop22h 50mAer Lingus
Deal found 17/4£803

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 April 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

Fri 9/5

09:10-23:42

2 stops19h 32m

San Juan Luis Munoz Marin Intl

Fri 16/5

18:00-09:15

1 stop34h 15m

£482

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 22/5

13:15-23:42

1 stop15h 27m

San Juan Luis Munoz Marin Intl

Thu 29/5

13:39-10:45

1 stop16h 06m

£492

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 22/5

13:15-23:42

1 stop15h 27m

San Juan Luis Munoz Marin Intl

Thu 29/5

13:12-12:35

2 stops18h 23m

£499

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sun 1/6

11:30-21:27

1 stop14h 57m

San Juan Luis Munoz Marin Intl

Sun 8/6

08:50-08:20

1 stop18h 30m

£510

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 9/5

13:25-11:31

2 stops27h 06m

San Juan Luis Munoz Marin Intl

Thu 15/5

01:59-04:55

2 stops21h 56m

£594

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 22/5

13:35-23:57

1 stop15h 22m

San Juan Luis Munoz Marin Intl

Wed 28/5

01:05-07:10

2 stops25h 05m

£706

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 9/5

11:05-21:30

1 stop15h 25m

San Juan Luis Munoz Marin Intl

Thu 15/5

01:05-04:55

1 stop22h 50m

£803

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 29/4

10:40-00:54

1 stop19h 14m

£370

Flights are sorted by cheapest return flights first.

Deals found on 17/4

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.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 55.0 - 156.0 inches per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit San Juan when rainfall is around 55.0 mm.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated 18 April 2025.
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.
Delta
8.0
Very Good
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.
JetBlue
7.3
Good
2,928 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

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.

  • What are the cheapest airlines flying from Dublin to San Juan round-trip?

    Air France, at £482, was found to be the cheapest airline from Dublin to San Juan.Alternate airlines flying return to your destination include Delta and KLM. Air France is priced at 26% lower than the current average price of a flight leaving 3 months from now.

  • 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?

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?

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