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Cheap flights from Dublin to San Juan from £410

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SJU
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£523

One-way from

£410

Popular in

October

Cheapest in

April

Average price

£478
1/11-16/11
  • 1/11-16/11
  • 4 total stops
  • 41h 25m total
  • Dublin to San Juan
Search Deals
JetBlue
  • JetBlue
  • 11/7
  • 1 total stop
  • 19h 09m total
  • Dublin to San Juan
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 13 June 2025.

Thu 19/613:15DUB - SJU
1 stop15h 39mDelta
Wed 2/706:15SJU - DUB
2 stops22h 45mDelta
Deal found 12/6£467
Fri 19/1220:35DUB - SJU
2 stops31h 50mBritish Airways
Sat 27/1218:00SJU - DUB
2 stops21h 40mBritish Airways
Deal found 11/6£507
Fri 19/1214:05DUB - SJU
1 stop28h 43mMultiple Airlines
Sat 27/1214:45SJU - DUB
1 stop13h 55mMultiple Airlines
Deal found 11/6£520
Wed 9/711:00DUB - SJU
1 stop16h 23mKLM
Wed 16/713:34SJU - DUB
2 stops18h 01mKLM
Deal found 12/6£557
Sat 26/711:30DUB - SJU
1 stop18h 24mJetBlue
Sat 2/810:35SJU - DUB
1 stop16h 45mJetBlue
Deal found 11/6£583
Thu 19/613:35DUB - SJU
1 stop15h 22mUnited Airlines
Wed 2/701:10SJU - DUB
1 stop29h 00mUnited Airlines
Deal found 11/6£691
Sun 28/1213:00DUB - SJU
1 stop14h 40mAmerican Airlines
Tue 6/109:25SJU - DUB
2 stops15h 50mAmerican Airlines
Deal found 11/6£1,796
Sun 28/1216:45DUB - SJU
1 stop14h 32mAer Lingus
Mon 5/101:59SJU - DUB
1 stop22h 21mAer Lingus
Deal found 12/6£2,242
Sun 28/1209:00DUB - SJU
2 stops17h 22mAir Canada
Mon 5/102:05SJU - DUB
2 stops25h 05mAir Canada
Deal found 12/6£2,251
Sat 27/1204:15DUB - SJU
2 stops22h 45mTAP AIR PORTUGAL
Tue 6/107:00SJU - DUB
2 stops29h 10mTAP AIR PORTUGAL
Deal found 12/6£2,873

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 13 June 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

Sat 1/11

14:05-13:45

2 stops27h 40m

San Juan Luis Munoz Marin Intl

Sun 16/11

14:55-08:40

2 stops13h 45m

£523

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 9/7

11:00-22:23

1 stop16h 23m

San Juan Luis Munoz Marin Intl

Wed 16/7

07:00-09:15

1 stop21h 15m

£551

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 9/7

11:00-22:23

1 stop16h 23m

San Juan Luis Munoz Marin Intl

Wed 16/7

13:34-12:35

2 stops18h 01m

£557

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 26/7

11:30-23:41

1 stop17h 11m

San Juan Luis Munoz Marin Intl

Sat 2/8

15:25-09:00

1 stop12h 35m

£583

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 26/7

09:20-14:44

2 stops34h 24m

San Juan Luis Munoz Marin Intl

Fri 1/8

02:05-11:10

2 stops28h 05m

£759

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 11/7

10:40-00:49

1 stop19h 09m

£410

Flights are sorted by cheapest return flights first.

Deals found on 12/6

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 13 June 2025.
Read through reviews of airlines operating flights from Dublin to San Juan, such as Delta, KLM and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
1,358 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
8,790 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
2,923 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

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?

    Delta, at £551, was found to be the cheapest airline from Dublin to San Juan.Alternate airlines flying return to your destination include KLM and JetBlue. Delta is priced at 10% 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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