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Cheap flights from Ireland to Puerto Rico from £510

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SJU
16 Sep — 23 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 17 August 2026.

Tue 22/911:30 -
1 stop13h 04m
Sat 3/1006:00 -
1 stop22h 00m
Deal found 12/8£550
Thu 17/909:30 -
2 stops28h 54m
Thu 1/1010:16 -
2 stops18h 19m
Deal found 13/8£563
Wed 23/911:30 -
1 stop13h 04m
Fri 2/1006:00 -
1 stop22h 00m
Deal found 15/8£566
Tue 22/909:50 -
1 stop13h 40m
Sat 3/1011:51 -
2 stops16h 44m
Deal found 12/8£571
Wed 16/909:50 -
1 stop34h 35m
Wed 30/915:41 -
1 stop12h 54m
Deal found 13/8£572
Tue 1/908:40 -
2 stops18h 15m
Mon 7/907:03 -
1 stop18h 27m
Deal found 13/8£625
Thu 10/909:50 -
1 stop14h 00m
Thu 24/911:51 -
2 stops16h 49m
Deal found 12/8£632
Sat 12/909:50 -
1 stop13h 55m
Sat 19/914:22 -
2 stops15h 58m
Deal found 15/8£636
Wed 16/1210:45 -
1 stop17h 10m
Sat 6/207:00 -
1 stop21h 45m
Deal found 14/8£640
Sun 27/906:30 -
2 stops19h 17m
Sun 4/1014:58 -
2 stops16h 07m
Deal found 13/8£643

Find 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 17 August 2026.

Round-trip from

£529

One-way from

£510

Popular in

July

Cheapest in

May

Average price

£618
21/1-30/1
  • 21/1-30/1
  • 2 total stops
  • 51h 55m total
  • Ireland to Puerto Rico
Search Deals
British Airways
  • British Airways
  • 12/10
  • 2 total stops
  • 18h 22m total
  • Ireland to Puerto Rico
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 17 August 2026.
Use the filters below to find and compare flights from Ireland to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Thu 17/9

12:40-14:45

1 stop31h 05m

San Juan Luis Munoz Marin Intl

Thu 1/10

14:22-06:30

1 stop35h 08m

£563
Fastest return journey

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Tue 22/9

09:50-18:30

1 stop13h 40m

San Juan Luis Munoz Marin Intl

Sat 3/10

11:51-09:35

2 stops16h 44m

£571

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Thu 21/1

18:35-16:40

1 stop26h 05m

San Juan Luis Munoz Marin Intl

Sun 31/1

14:52-11:15

2 stops16h 23m

£598

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Fri 22/1

18:35-16:40

1 stop26h 05m

San Juan Luis Munoz Marin Intl

Sat 30/1

14:52-11:15

2 stops16h 23m

£598

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Wed 16/12

10:45-23:55

1 stop17h 10m

San Juan Luis Munoz Marin Intl

Sat 6/2

07:00-08:45

1 stop21h 45m

£640

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Sun 27/9

06:30-20:47

2 stops19h 17m

San Juan Luis Munoz Marin Intl

Sun 4/10

14:58-12:05

2 stops16h 07m

£643

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Tue 22/9

08:55-23:49

2 stops19h 54m

San Juan Luis Munoz Marin Intl

Sat 3/10

12:56-10:00

2 stops16h 04m

£657

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Wed 23/9

08:55-23:49

2 stops19h 54m

San Juan Luis Munoz Marin Intl

Fri 2/10

12:55-10:00

2 stops16h 05m

£659

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Mon 28/9

09:15-23:49

2 stops19h 34m

San Juan Luis Munoz Marin Intl

Mon 5/10

12:56-08:45

1 stop14h 49m

£662

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Mon 21/9

09:50-19:05

1 stop14h 15m

San Juan Luis Munoz Marin Intl

Tue 6/10

10:36-09:40

2 stops18h 04m

£662

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 14 resultsSorted by cheapest first
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, May is the cheapest month in which you can book a flight from Ireland to Puerto Rico (average of £471). Flying from Ireland to Puerto Rico in July is currently the most expensive (average of £727). 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.

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 17 August 2026.
See what other customers who have flown with American Airlines from Ireland to Puerto Rico have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,943 reviews
Check prices

Food

6.4

Overall

7.1

Comfort

7.2

Boarding

7.5

Crew

7.9

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Anonymous,Nov 2023

BWI - LHR

The flight attendants serving food impatient, not friendly, Seat so crowded i couldn't even lean forward and I am a smallish woman. My serving tray was slanted and tray and drinks slipped around making it very difficult to eat I have flown BA many times over the years and quality is getting worse each year Felt like a cheap bus ride Disappointing
American Airlines
7.1
Good
11,943 reviews
American Airlines
7.1
Good
11,943 reviews
Check prices

Food

6.4

Overall

7.1

Comfort

7.2

Boarding

7.5

Crew

7.9

Entertainment

6.8

Reviews

1 / 20
4.0
Okay

Anonymous,Nov 2023

BWI - LHR

The flight attendants serving food impatient, not friendly, Seat so crowded i couldn't even lean forward and I am a smallish woman. My serving tray was slanted and tray and drinks slipped around making it very difficult to eat I have flown BA many times over the years and quality is getting worse each year Felt like a cheap bus ride Disappointing

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 17h 10m. Fly via American Airlines or Delta to get the fastest option. The distance between Ireland and Puerto Rico is about 3963 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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, May is the cheapest month in which you can book a flight from Ireland to Puerto Rico (average of £471). Flying from Ireland to Puerto Rico in July is currently the most expensive (average of £727). 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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Heathrow to St. George's flights
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Heathrow to George Town flights
Stansted to Luis Munoz Marin Intl flights
Gatwick to Havana flights
Gatwick to Nassau flights
Manchester to Montego Bay flights
London City to Santo Domingo flights
Heathrow to Castries flights
Heathrow to Willemstad flights
Gatwick to Willemstad flights
Gatwick to Castries flights

Top airline flying from Ireland to Puerto Rico

Discover the top airline that operate flights from Ireland to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 August 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£574Average£689FlexibilityNo cancel feeOn-time71%
Search American Airlines 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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