HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ireland

$376+ Cheap flights from Puerto Rico to Ireland

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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DUB
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Puerto Rico to Ireland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Puerto Rico to Ireland

Keep the following information in mind while searching for Puerto Rico to Ireland flight deals. Data was last updated November 10, 2025.

Round-trip from

$405
(Delta)

One-way from

$376
(United Airlines)

Popular in

July

Cheapest in

November

Average price

$480
From Puerto Rico to Ireland
Search Deals
One-way flight from Puerto Rico to Ireland
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Puerto Rico to Ireland

Cheapest flights from Puerto Rico to Ireland
Explore the most affordable flight options available from Puerto Rico to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2025.

This Delta deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:10 pmSJU - DUB
1 stop14h 35mDelta
Wed 11/199:45 amDUB - SJU
1 stop17h 28mDelta
Deal found 11/8$380
This KLM deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:10 pmSJU - DUB
1 stop14h 35mKLM
Tue 11/2510:45 amDUB - SJU
1 stop17h 11mKLM
Deal found 11/10$405
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:57 pmSJU - DUB
2 stops14h 48mDelta
Wed 11/199:45 amDUB - SJU
1 stop17h 28mDelta
Deal found 11/10$410
This KLM deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/272:27 pmSJU - DUB
1 stop14h 53mMultiple Airlines
Wed 12/38:55 amDUB - SJU
2 stops19h 04mMultiple Airlines
Deal found 11/9$424
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:20 pmSJU - DUB
1 stop13h 10mUnited Airlines
Wed 11/199:00 amDUB - SJU
2 stops19h 36mUnited Airlines
Deal found 11/10$425
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:35 pmSJU - DUB
1 stop34h 10mDelta
Sun 12/75:55 amDUB - SJU
2 stops22h 04mDelta
Deal found 11/9$428
This United Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:10 amSJU - DUB
2 stops21h 45mUnited Airlines
Wed 11/199:00 amDUB - SJU
2 stops19h 36mUnited Airlines
Deal found 11/10$429
This KLM deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:27 pmSJU - DUB
2 stops18h 13mMultiple Airlines
Tue 11/258:45 amDUB - SJU
2 stops19h 11mMultiple Airlines
Deal found 11/10$433
This Finnair deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:36 pmSJU - DUB
2 stops14h 04mMultiple Airlines
Sat 12/1312:55 pmDUB - SJU
2 stops25h 14mMultiple Airlines
Deal found 11/10$435

Cheapflights Fare Finder

 
Customize your flight search to find flights from Puerto Rico to Ireland 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 2,558,603 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Puerto Rico to Ireland that are best for you.

Fly from

Puerto Rico

Fly to

Ireland

Route

Depart

Return

Price

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Wed 12/3

6:35 pm-8:45 am

1 stop34h 10m

Dublin

Sun 12/7

5:55 am-11:59 pm

2 stops22h 04m

$428

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Thu 12/4

6:25 am-8:40 am

1 stop22h 15m

Dublin

Sat 12/13

11:30 am-11:52 pm

1 stop16h 22m

$430

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Thu 12/4

4:52 pm-8:10 am

1 stop35h 18m

Dublin

Sat 12/13

1:35 pm-12:36 am

1 stop15h 01m

$430

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Sun 2/1

5:10 pm-8:40 am

1 stop11h 30m

Dublin

Sun 2/15

11:30 am-11:48 pm

1 stop16h 18m

$430

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Thu 11/27

2:20 pm-7:30 am

1 stop13h 10m

Dublin

Wed 12/3

1:35 pm-12:36 am

1 stop15h 01m

$430

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Mon 1/12

3:20 pm-12:40 pm

2 stops17h 20m

Dublin

Mon 1/19

5:55 am-11:44 pm

2 stops21h 49m

$434

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Sun 1/11

2:05 am-8:10 am

2 stops26h 05m

Dublin

Mon 1/19

10:40 am-9:00 pm

1 stop14h 20m

$435

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Wed 11/26

2:05 am-8:10 am

2 stops26h 05m

$376

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Tue 2/10

2:15 pm-7:30 am

1 stop13h 15m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Best time to book a flight from Puerto Rico to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Puerto Rico with our price prediction graph.
Estimated round-trip 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 Puerto Rico to Ireland

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

Currently, May is the cheapest month in which you can book a flight from Puerto Rico to Ireland (average of $160). Flying from Puerto Rico to Ireland in January is currently the most expensive (average of $630). 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.

What is the cheapest time of day to fly from PR to IE?

Find hourly flight availability from Puerto Rico to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 10, 2025.

It’s optimal to fly from Puerto Rico to Ireland in the evening. By choosing this option you can save up to 51% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated November 10, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and JetBlue from Puerto Rico to Ireland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,003 reviews

Entertainment

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,003 reviews
Delta
7.9
Good
8,003 reviews

Entertainment

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
United Airlines
7.4
Good
9,013 reviews
Delta
7.9
Good
8,003 reviews

Entertainment

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
JetBlue
7.2
Good
2,908 reviews
Delta
7.9
Good
8,003 reviews

Entertainment

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico to Ireland. 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 Puerto Rico to Ireland?

    There are many flights that can get you from Puerto Rico to Ireland in 34h 10m. Fly via Delta to get the fastest option. The distance from Puerto Rico to Ireland is about 3963 mi.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Puerto Rico to Ireland (average of $160). Flying from Puerto Rico to Ireland in January is currently the most expensive (average of $630). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Puerto Rico to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to Madrid flights
Santo Domingo to Madrid flights
Luis Munoz Marin Intl to Barcelona-El Prat flights
Luis Munoz Marin Intl to Leonardo da Vinci/Fiumicino flights
Nassau to Heathrow flights
Bridgetown to Heathrow flights
Luis Munoz Marin Intl to Charles de Gaulle flights
Luis Munoz Marin Intl to Zurich flights
Fort-de-France to Orly flights
Luis Munoz Marin Intl to Heathrow flights
Luis Munoz Marin Intl to Dublin flights
Pointe-à-Pitre to Orly flights
Luis Munoz Marin Intl to Istanbul flights
Luis Munoz Marin Intl to Lisbon flights
Kingston to Heathrow flights
Bridgetown to Gatwick flights
Luis Munoz Marin Intl to Malpensa flights
George Town to Heathrow flights
Santo Domingo to Orly flights
Port of Spain to Athens flights
Santo Domingo to Charles de Gaulle flights
Santo Domingo to Leonardo da Vinci/Fiumicino flights
George Town to Dublin flights
Providenciales to Heathrow flights
St. George's to Heathrow flights
Luis Munoz Marin Intl to Frankfurt flights
Luis Munoz Marin Intl to Vicenza flights

Top 3 airlines flying from Puerto Rico to Ireland

Discover the top 3 airlines that operate flights from Puerto Rico to Ireland. 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 2,558,603 searches. Data last updated November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$160Average$664FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$440Average$630FlexibilityNo cancel feeOn-time69%
DeltaCheapest$460Average$1,087FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.