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Cheap flights from Ireland to Puerto Rico from £316

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SJU
9 Nov — 16 Nov1
1 adult
1 adult, Economy

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 10 October 2025.

Round-trip from

£480

One-way from

£316

Popular in

September

Cheapest in

May

Average price

£742
American Airlines
  • American Airlines
  • 18/2-1/3
  • 4 total stops
  • 55h 00m total
  • Ireland to Puerto Rico
Search Deals
7/4
  • 7/4
  • 2 total stops
  • 32h 04m total
  • Ireland to Puerto Rico
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Ireland to Puerto Rico

Enter your travel dates to find the best prices.

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 10 October 2025.

Mon 22/1212:55DUB - SJU
1 stop20h 39mMultiple Airlines
Sun 18/107:00SJU - DUB
1 stop21h 40mMultiple Airlines
Deal found 10/10£497
Sun 28/1211:30DUB - SJU
2 stops26h 06mMultiple Airlines
Wed 21/108:20SJU - DUB
2 stops20h 20mMultiple Airlines
Deal found 10/10£532
Wed 26/1111:30DUB - SJU
1 stop16h 22mMultiple Airlines
Sun 30/1117:09SJU - DUB
1 stop11h 31mMultiple Airlines
Deal found 9/10£541
Mon 22/1213:35DUB - SJU
1 stop15h 01mUnited Airlines
Sat 17/102:05SJU - DUB
2 stops26h 05mUnited Airlines
Deal found 10/10£720
Sun 26/1012:05DUB - SJU
1 stop13h 17mUnited Airlines
Thu 30/1007:30SJU - DUB
1 stop22h 50mUnited Airlines
Deal found 10/10£854
Sun 28/1210:40DUB - SJU
2 stops23h 31mUnited Airlines
Tue 20/102:05SJU - DUB
2 stops26h 05mUnited Airlines
Deal found 10/10£936
Sat 27/1204:15DUB - SJU
2 stops33h 45mTAP AIR PORTUGAL
Wed 21/116:40SJU - DUB
2 stops37h 40mTAP AIR PORTUGAL
Deal found 10/10£1,382

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 10 October 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

Tue 17/2

13:25-22:35

2 stops37h 10m

San Juan Luis Munoz Marin Intl

Mon 2/3

06:40-19:40

2 stops33h 00m

£480

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 18/2

11:30-23:30

1 stop16h 00m

San Juan Luis Munoz Marin Intl

Mon 2/3

06:40-08:40

1 stop22h 00m

£495

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 17/2

11:30-23:30

1 stop16h 00m

San Juan Luis Munoz Marin Intl

Mon 2/3

14:40-08:40

1 stop14h 00m

£495

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 17/2

20:40-23:30

2 stops30h 50m

San Juan Luis Munoz Marin Intl

Sun 1/3

06:40-08:40

1 stop22h 00m

£496

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 22/12

12:55-05:34

1 stop20h 39m

San Juan Luis Munoz Marin Intl

Sun 18/1

07:00-08:40

1 stop21h 40m

£497

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

11:13-08:40

2 stops17h 27m

£497

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 7/4

11:30-14:34

2 stops32h 04m

£316

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 8/4

07:50-18:50

1 stop16h 00m

£423

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 6/4

10:20-14:59

3 stops33h 39m

£426

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 7/4

12:40-04:00

1 stop20h 20m

£453

Flights are sorted by cheapest return flights first.

Deals found on 10/10

Showing 1-10 of 12 results
1
2

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, January is the cheapest month in which you can book a flight from Ireland to Puerto Rico (average of £418). Flying from Ireland to Puerto Rico in September is currently the most expensive (average of £811). 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 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.

  • How long is the flight from Ireland to Puerto Rico?

    There are many flights that can get you from Ireland to Puerto Rico in 37h 10m. Fly via American Airlines to get the fastest option. The distance between Ireland and Puerto Rico is about 3963 mi.

  • 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, January is the cheapest month in which you can book a flight from Ireland to Puerto Rico (average of £418). Flying from Ireland to Puerto Rico in September is currently the most expensive (average of £811). 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 Ireland to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Bridgetown flights
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Heathrow to Port of Spain flights
Heathrow to Castries flights
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Heathrow to Luis Munoz Marin Intl flights
Gatwick to Oranjestad flights
Gatwick to Castries flights
London City to Punta Cana flights
Stansted to Punta Cana flights
London City to Oranjestad flights
Luton to Punta Cana flights
Gatwick to Luis Munoz Marin Intl flights
Heathrow to Santo Domingo flights
Heathrow to Castries flights
Gatwick to Port of Spain flights
London City to St. George's flights
Gatwick to Santo Domingo flights
Manchester to Montego Bay flights
London City to Luis Munoz Marin Intl flights
Stansted to Santo Domingo flights
Gatwick to Kingstown flights
Birmingham to Montego Bay flights
Heathrow to George Town flights
London City to Castries flights
London City to Santo Domingo flights
London City to St. John's flights
Heathrow to Roseau flights
Gatwick to Castries flights
Gatwick to Nassau flights
Heathrow to Simpson Bay 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 Ireland to Puerto Rico?

Cheapflights makes it easy to find Ireland to Puerto Rico 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 Ireland to Puerto Rico?

Cheapflights helps you find that perfect flight to Puerto Rico from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ireland to Puerto Rico with no change fees?

Yes, we can. To see specific flights from Ireland to Puerto Rico with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ireland to Puerto Rico become cheaper?

Not ready to book yet? You can track prices for flights from Ireland to Puerto Rico on Cheapflights with our Price Alert feature and get notified when better prices are available.

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