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$306+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DUB
jul. 26 — ago. 21
dom. 7/26
dom. 8/2
1 adult, Economy
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Cheap 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 junio 26, 2026.

This United deal was found by Cheapflights users on 6/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/118:25 am
SJU
-
DUB
2 stops21h 30m
Multiple Airlines
vie. 11/209:00 am
DUB
-
SJU
1 stop32h 30m
Multiple Airlines
Deal found 6/26$644
This KLM deal was found by Cheapflights users on 6/26. 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.
mar. 11/102:30 pm
SJU
-
DUB
1 stop15h 15m
KLM
jue. 11/195:45 am
DUB
-
SJU
2 stops21h 28m
KLM
Deal found 6/26$650
This United Airlines deal was found by Cheapflights users on 6/26. 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.
dom. 11/82:05 am
SJU
-
DUB
1 stop27h 50m
United Airlines
mié. 11/1812:05 pm
DUB
-
SJU
1 stop14h 17m
United Airlines
Deal found 6/26$653
This Delta deal was found by Cheapflights users on 6/26. 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.
sáb. 11/146:35 pm
SJU
-
DUB
1 stop33h 10m
Delta
jue. 11/195:45 am
DUB
-
SJU
2 stops22h 10m
Delta
Deal found 6/26$659
This United Airlines deal was found by Cheapflights users on 6/26. 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.
sáb. 11/147:35 pm
SJU
-
DUB
1 stop31h 55m
United Airlines
mié. 11/1812:05 pm
DUB
-
SJU
1 stop14h 17m
United Airlines
Deal found 6/26$662
This British Airways deal was found by Cheapflights users on 6/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/412:55 pm
SJU
-
DUB
2 stops16h 45m
Multiple Airlines
sáb. 11/149:50 am
DUB
-
SJU
1 stop14h 10m
Multiple Airlines
Deal found 6/23$692
This United deal was found by Cheapflights users on 6/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/103:05 pm
SJU
-
DUB
1 stop12h 25m
Multiple Airlines
sáb. 11/219:00 am
DUB
-
SJU
1 stop33h 25m
Multiple Airlines
Deal found 6/22$697
This KLM deal was found by Cheapflights users on 6/26. 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.
mar. 11/101:55 pm
SJU
-
DUB
1 stop13h 50m
KLM
sáb. 11/218:50 am
DUB
-
SJU
2 stops19h 05m
KLM
Deal found 6/26$698
This KLM deal was found by Cheapflights users on 6/22. 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.
mié. 11/47:00 am
SJU
-
DUB
1 stop21h 45m
KLM
sáb. 11/149:40 am
DUB
-
SJU
1 stop17h 33m
KLM
Deal found 6/22$700
This Delta deal was found by Cheapflights users on 6/26. 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.
vie. 11/131:55 pm
SJU
-
DUB
1 stop13h 50m
Delta
vie. 11/209:45 am
DUB
-
SJU
1 stop17h 28m
Delta
Deal found 6/26$701
This American Airlines deal was found by Cheapflights users on 6/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/213:50 pm
SJU
-
DUB
2 stops16h 05m
American Airlines
dom. 11/16:35 pm
DUB
-
SJU
1 stop26h 05m
American Airlines
Deal found 6/24$702
This United Airlines deal was found by Cheapflights users on 6/25. 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.
jue. 11/127:30 am
VQS
-
DUB
2 stops22h 50m
United Airlines
lun. 11/169:30 am
DUB
-
VQS
2 stops37h 00m
United Airlines
Deal found 6/25$2,189

Find 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 junio 26, 2026.

Round-trip from

$644
(United)

One-way from

$306
(Delta)

Popular in

August

Cheapest in

October

Average price

$834
From Puerto Rico to Ireland
Search Deals
One-way flight from Puerto Rico to Ireland
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 junio 26, 2026.
Use the filters below to find and compare flights from Puerto Rico to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

mié. 11/4

12:55 pm-9:40 am

2 stops16h 45m

Dublin

sáb. 11/14

8:55 am-11:47 pm

2 stops18h 52m

$710

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

sáb. 10/31

3:55 pm-7:30 am

2 stops35h 35m

Dublin

dom. 11/8

12:05 pm-10:22 pm

1 stop14h 17m

$715

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

mié. 9/2

2:55 pm-11:10 am

1 stop15h 15m

Dublin

mar. 9/8

9:20 am-11:50 pm

2 stops19h 30m

$719

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

mar. 9/1

4:55 pm-10:40 am

1 stop12h 45m

Dublin

vie. 9/11

9:20 am-11:50 pm

2 stops19h 30m

$724

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

mar. 9/1

7:30 am-8:20 am

2 stops19h 50m

Dublin

dom. 9/13

8:55 am-11:44 pm

2 stops19h 49m

$741
Quickest round-trip

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

mar. 9/1

4:55 pm-10:40 am

1 stop12h 45m

Dublin

dom. 9/13

9:30 am-11:50 pm

1 stop19h 20m

$745

ViequesDublin

VQS - DUB

VQSDUB

Vieques

jue. 11/12

7:30 am-10:20 am

2 stops22h 50m

Dublin

lun. 11/16

9:30 am-6:30 pm

2 stops37h 00m

$2,189
Cheapest one-way

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

mar. 9/29

7:00 am-9:15 am

2 stops21h 15m

$306

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

mar. 9/29

7:00 am-8:45 am

1 stop20h 45m

$306

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

mié. 10/28

7:05 am-9:55 am

2 stops22h 50m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 23 resultsSorted by cheapest first
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2
3

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

How far ahead should I book a flight from Puerto Rico to Ireland?

To ensure you get the cheapest price possible for a flight from Puerto Rico to Ireland, you should look to book at least 49 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 junio 26, 2026.
Peruse reviews from past customers who have flown with KLM,Delta, andUnited Airlines 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.
KLM
7.8
Good
1,531 reviews

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.8
Good
1,531 reviews
KLM
7.8
Good
1,531 reviews

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Delta
7.8
Good
8,452 reviews
KLM
7.8
Good
1,531 reviews

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,897 reviews
KLM
7.8
Good
1,531 reviews

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
American Airlines
7.1
Good
11,779 reviews
KLM
7.8
Good
1,531 reviews

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
JetBlue
7.1
Good
3,014 reviews
KLM
7.8
Good
1,531 reviews

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 16h 45m. Fly via British Airways or United Airlines to get the fastest option. The distance from Puerto Rico to Ireland is about 3963 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

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.

Top 5 airlines flying from Puerto Rico to Ireland

Discover the top 5 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 junio 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$160Average$663FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$371Average$569FlexibilityNo cancel feeOn-time71%
DeltaCheapest$380Average$833FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$430Average$646FlexibilityNo cancel feeOn-time69%
KLMCheapest$468Average$636FlexibilityNo cancel feeOn-time75%

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