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Cheap flights from Ireland to Puerto Rico from £366

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SJU
6 May — 13 May1
1 adult

Cheap flight deals from Ireland to Puerto Rico

Keep the following information in mind while searching for Ireland to Puerto Rico flight deals. Data was last updated 1 May 2025.

Round-trip from

£475

One-way from

£366

Popular in

October

Cheapest in

May

Average price

£467
KLM
  • KLM
  • 30/8-6/9
  • 3 total stops
  • 36h 01m total
  • Ireland to Puerto Rico
Search Deals
JetBlue
  • JetBlue
  • 13/5
  • 1 total stop
  • 18h 17m total
  • Ireland to Puerto Rico
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£26 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find flight deals from Ireland to Puerto Rico

Cheapest flights from Ireland to Puerto Rico
Explore the most affordable flight options available from Ireland to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2025.

Sat 30/806:00DUB - SJU
2 stops21h 12mMultiple Airlines
Sat 6/912:56SJU - DUB
1 stop14h 49mMultiple Airlines
Deal found 30/4£475
Sat 30/813:15DUB - SJU
1 stop15h 31mKLM
Sat 6/912:56SJU - DUB
1 stop14h 49mKLM
Deal found 30/4£476
Thu 5/611:30DUB - SJU
1 stop19h 16mJetBlue
Fri 13/611:00SJU - DUB
1 stop16h 20mJetBlue
Deal found 30/4£504
Wed 4/609:30DUB - SJU
2 stops16h 03mAmerican Airlines
Wed 11/608:00SJU - DUB
2 stops17h 30mAmerican Airlines
Deal found 30/4£607
Thu 5/613:15DUB - SJU
1 stop15h 27mDelta
Fri 13/606:15SJU - DUB
2 stops20h 40mDelta
Deal found 30/4£615
Sat 30/809:20DUB - SJU
2 stops33h 25mUnited Airlines
Fri 5/901:05SJU - DUB
2 stops25h 05mUnited Airlines
Deal found 30/4£684
Thu 10/707:00DUB - SJU
2 stops20h 50mBritish Airways
Tue 12/813:35SJU - DUB
2 stops20h 25mBritish Airways
Deal found 1/5£703
Fri 11/712:40DUB - SJU
2 stops39h 45mFinnair
Fri 8/815:15SJU - DUB
2 stops57h 15mFinnair
Deal found 1/5£754
Sat 30/811:05DUB - SJU
1 stop18h 49mAer Lingus
Fri 5/903:15SJU - DUB
1 stop20h 10mAer Lingus
Deal found 30/4£796
Tue 8/714:15DUB - SJU
2 stops16h 16mIcelandair
Wed 6/807:20SJU - DUB
2 stops24h 55mIcelandair
Deal found 1/5£843

Cheapflights Fare Finder

Customise your flight search to find flights from Ireland to Puerto Rico 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 1 May 2025.
Use the filters below to find and compare flights from Ireland to Puerto Rico that are best for you.

Fly from

Ireland

Fly to

Puerto Rico

Route

Depart

Return

Price

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 30/8

06:00-22:12

2 stops21h 12m

San Juan Luis Munoz Marin Intl

Sat 6/9

12:56-08:45

1 stop14h 49m

£475

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 30/8

13:15-23:46

1 stop15h 31m

San Juan Luis Munoz Marin Intl

Sat 6/9

12:56-08:45

1 stop14h 49m

£476

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 5/6

11:30-01:46

1 stop19h 16m

San Juan Luis Munoz Marin Intl

Fri 13/6

11:00-08:20

1 stop16h 20m

£504

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 4/6

09:30-20:33

2 stops16h 03m

San Juan Luis Munoz Marin Intl

Wed 11/6

08:00-06:30

2 stops17h 30m

£607

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 5/6

13:15-23:42

1 stop15h 27m

San Juan Luis Munoz Marin Intl

Fri 13/6

06:15-07:55

2 stops20h 40m

£615

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 30/8

09:20-13:45

2 stops33h 25m

San Juan Luis Munoz Marin Intl

Fri 5/9

01:05-07:10

2 stops25h 05m

£684

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 10/7

07:00-22:50

2 stops20h 50m

San Juan Luis Munoz Marin Intl

Tue 12/8

13:35-15:00

2 stops20h 25m

£703

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 11/7

12:40-23:25

2 stops39h 45m

San Juan Luis Munoz Marin Intl

Fri 8/8

15:15-05:30

2 stops57h 15m

£754

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 30/8

11:05-00:54

1 stop18h 49m

San Juan Luis Munoz Marin Intl

Fri 5/9

03:15-04:25

1 stop20h 10m

£796

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 8/7

14:15-01:31

2 stops16h 16m

San Juan Luis Munoz Marin Intl

Wed 6/8

07:20-13:15

2 stops24h 55m

£843

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Best time to book a flight from Ireland to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Ireland 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 Ireland to Puerto Rico

What is the cheapest month to book a flight from Ireland to Puerto Rico?

Currently, April is the cheapest month in which you can book a flight from Ireland to Puerto Rico (average of £631). Flying from Ireland to Puerto Rico 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 Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico 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 Puerto Rico when rainfall is around 55.0 mm.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, 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 Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated 1 May 2025.
Delta
8.0
Very Good
7,934 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,934 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,334 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
8,696 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
2,924 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 Ireland to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Ireland to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Ireland to Puerto Rico flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Puerto Rico.

  • Can I find deals for business class flights from Ireland to Puerto Rico?

    Yes. Cheapflights offers flight deals from Ireland to Puerto Rico 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 Ireland to Puerto Rico?

    Currently, April is the cheapest month in which you can book a flight from Ireland to Puerto Rico (average of £631). Flying from Ireland to Puerto Rico 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

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Alternative routes for Ireland to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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