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Cheap flights from Ireland to Puerto Rico from €397

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Puerto Rico departing on 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ireland to Puerto Rico

Recent return flight deals from Ireland to Puerto Rico

JetBlue Logo
10:40 - 01:22DUB-SJU
19h 42m1 stop
JetBlue Logo
14:25 - 08:20SJU-DUB
12h 55m1 stop
€570JetBlue
Find Deal
Thu, 28 Aug - Wed, 10 Sep
JetBlue Logo
11:30 - 21:24DUB-SJU
14h 54m1 stop
JetBlue Logo
14:25 - 08:20SJU-DUB
12h 55m1 stop
€572JetBlue
Find Deal
Fri, 5 Sep - Sat, 13 Sep
United Airlines Logo
09:20 - 23:57DUB-SJU
19h 37m2 stops
United Airlines Logo
13:30 - 07:10SJU-DUB
36h 40m2 stops
€628United Airlines
Find Deal
Sat, 20 Sep - Fri, 26 Sep
Air France Logo
06:00 - 23:17DUB-SJU
21h 17m2 stops
Air France Logo
14:26 - 15:45SJU-DUB
21h 19m2 stops
€633Air France
Find Deal
Sat, 13 Dec - Wed, 17 Dec
Logo
06:00 - 23:17DUB-SJU
21h 17m2 stops
Logo
13:50 - 07:45SJU-DUB
13h 55m1 stop
€636
Find Deal
Sat, 13 Dec - Wed, 17 Dec
Logo
09:10 - 23:51DUB-SJU
19h 41m2 stops
Logo
13:18 - 10:45SJU-DUB
16h 27m1 stop
€648
Find Deal
Thu, 28 Aug - Wed, 10 Sep
British Airways Logo
10:40 - 23:37DUB-SJU
17h 57m2 stops
British Airways Logo
11:56 - 09:45SJU-DUB
16h 49m2 stops
€655British Airways
Find Deal
Thu, 2 Oct - Wed, 8 Oct
Air France Logo
09:10 - 23:51DUB-SJU
19h 41m2 stops
Air France Logo
07:00 - 08:15SJU-DUB
20h 15m2 stops
€702Air France
Find Deal
Thu, 28 Aug - Wed, 10 Sep
United Airlines Logo
13:35 - 23:57DUB-SJU
15h 22m1 stop
United Airlines Logo
01:05 - 07:20SJU-DUB
25h 15m1 stop
€779United Airlines
Find Deal
Fri, 5 Sep - Fri, 12 Sep
British Airways Logo
10:00 - 23:30DUB-SJU
17h 30m2 stops
British Airways Logo
06:40 - 08:40SJU-DUB
22h 00m1 stop
€1,369British Airways
Find Deal
Sat, 13 Dec - Wed, 17 Dec

United Airlines flights from Ireland to Puerto Rico

Our best United Airlines deals on Ireland to Puerto Rico flight tickets
United Airlines
20 Sept
DUB09:20Dublin
19h 37m
2 stops
SJU23:57San Juan Luis Munoz Marin Intl
26 Sept
SJU13:30San Juan Luis Munoz Marin Intl
36h 40m
2 stops
DUB07:10Dublin
€628
Find similar
United Airlines
5 Sept
DUB13:35Dublin
15h 22m
1 stop
SJU23:57San Juan Luis Munoz Marin Intl
12 Sept
SJU01:05San Juan Luis Munoz Marin Intl
25h 15m
1 stop
DUB07:20Dublin
€779
Find similar
United Airlines
13 Dec
DUB10:40Dublin
14h 20m
1 stop
SJU21:00San Juan Luis Munoz Marin Intl
16 Dec
SJU02:05San Juan Luis Munoz Marin Intl
28h 15m
2 stops
DUB10:20Dublin
€795
Find similar

American Airlines flights from Ireland to Puerto Rico

Our best American Airlines deals on Ireland to Puerto Rico flight tickets
American Airlines
28 Aug
DUB09:30Dublin
18h 19m
1 stop
SJU22:49San Juan Luis Munoz Marin Intl
10 Sept
SJU15:55San Juan Luis Munoz Marin Intl
17h 40m
2 stops
DUB14:35Dublin
€659
Find similar
American Airlines
20 Sept
DUB09:30Dublin
19h 07m
2 stops
SJU23:37San Juan Luis Munoz Marin Intl
26 Sept
SJU16:43San Juan Luis Munoz Marin Intl
31h 47m
1 stop
DUB05:30Dublin
€671
Find similar
American Airlines
12 Sept
DUB08:35Dublin
20h 02m
2 stops
SJU23:37San Juan Luis Munoz Marin Intl
16 Sept
SJU16:43San Juan Luis Munoz Marin Intl
31h 47m
1 stop
DUB05:30Dublin
€672
Find similar

momondo 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, momondo users made 13,528 searches. Data last updated 15 August 2025.
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

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 28/8

10:40-01:22

1 stop19h 42m

San Juan Luis Munoz Marin Intl

Wed 10/9

14:25-08:20

1 stop12h 55m

€570

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/9

11:30-21:24

1 stop14h 54m

San Juan Luis Munoz Marin Intl

Sat 13/9

14:25-08:20

1 stop12h 55m

€572

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 20/9

09:20-23:57

2 stops19h 37m

San Juan Luis Munoz Marin Intl

Fri 26/9

13:30-07:10

2 stops36h 40m

€628

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 13/12

06:00-23:17

2 stops21h 17m

San Juan Luis Munoz Marin Intl

Wed 17/12

14:26-15:45

2 stops21h 19m

€633

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 13/12

06:00-23:17

2 stops21h 17m

San Juan Luis Munoz Marin Intl

Wed 17/12

13:50-07:45

1 stop13h 55m

€636

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 28/8

09:10-23:51

2 stops19h 41m

San Juan Luis Munoz Marin Intl

Wed 10/9

13:18-10:45

1 stop16h 27m

€648

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 2/10

10:40-23:37

2 stops17h 57m

San Juan Luis Munoz Marin Intl

Wed 8/10

11:56-09:45

2 stops16h 49m

€655

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 28/8

09:10-23:51

2 stops19h 41m

San Juan Luis Munoz Marin Intl

Wed 10/9

07:00-08:15

2 stops20h 15m

€702

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/9

13:35-23:57

1 stop15h 22m

San Juan Luis Munoz Marin Intl

Fri 12/9

01:05-07:20

1 stop25h 15m

€779

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 13/12

10:00-23:30

2 stops17h 30m

San Juan Luis Munoz Marin Intl

Wed 17/12

06:40-08:40

1 stop22h 00m

€1,369

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Ireland to Puerto Rico

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Puerto Rico?

The month of June is, on average, the cheapest month to fly to Puerto Rico from Ireland, with most prices found around €557. If you don’t want to visit Puerto Rico in June, then you should wait until May to fly from Ireland, when ticket prices are also cheap, with an average price of €562.

What is the cheapest day to depart on your flight to Puerto Rico?

The cheapest day to depart from Ireland to Puerto Rico is on a Monday. Travellers who choose to depart for Puerto Rico on a Monday will often find tickets for as low as €714. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Puerto Rico on Saturday is €893.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the morning. Flights from Ireland to Puerto Rico during this time can be as low as €824. At midday is when there is more demand to fly to Puerto Rico, so prices are often more expensive at around €907 per ticket.

Cheap Ireland to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Puerto Rico

Best price found

€397

Fastest flight time

14h 20m

Direct flights

None

Airports in Puerto Rico

1 airport
The best one-way flight to Puerto Rico from Ireland in the past 72 hours is €397. The best return flight deal from Ireland to Puerto Rico found on momondo in the last 72 hours is €570.
The fastest flight from Ireland to Puerto Rico takes 14h 20m
There are no direct flights from Ireland to Puerto Rico. Popular non-direct route for this connection is Dublin Airport - San Juan Luis Munoz Marin Intl Airport.
There is 1 airport near Puerto Rico: San Juan Luis Munoz Marin Intl (SJU)
Search flight deals

  • When did momondo last update prices for flights from Ireland to Puerto Rico?

    Prices for flights from Ireland to Puerto Rico refresh daily.

  • How many operators does momondo search for flights from Ireland to Puerto Rico?

  • How old do you have to be to fly from Ireland to Puerto Rico?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The necessary travel and health documents for your Puerto Rico trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ireland to Puerto Rico

Compare and see reviews for airlines that fly from Ireland to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom €534Free CancellationRating
7.2
2,913 reviews
Search JetBlue flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Puerto Rico?

Finding the right flight to Puerto Rico from Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Puerto Rico quick and easy, saving you time and money.

Can I find flights from Ireland to Puerto Rico with flexible booking policies on momondo?

All flight searches from Ireland to Puerto Rico on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ireland to Puerto Rico?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to Puerto Rico.

I’m not ready to book a flight from Ireland to Puerto Rico right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ireland to Puerto Rico flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Puerto Rico trip

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Popular Cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo
Flights to San Juanfrom €570