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Cheap flights from Ireland to Puerto Rico from £438

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 21/9. 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

Enter your travel dates to find the best prices.
JetBlue Logo
11:30 - 13:39
DUB
-
SJU
31h 09m
1 stop
JetBlue Logo
07:00 - 09:00
SJU
-
DUB
21h 00m
1 stop
£476JetBlue
Sun, 17 May - Mon, 1 Jun
JetBlue Logo
11:30 - 19:32
DUB
-
SJU
13h 02m
1 stop
JetBlue Logo
10:30 - 09:00
SJU
-
DUB
17h 30m
1 stop
£488JetBlue
Mon, 5 Oct - Sat, 17 Oct
JetBlue Logo
11:30 - 13:39
DUB
-
SJU
31h 09m
1 stop
JetBlue Logo
05:01 - 08:20
SJU
-
DUB
22h 19m
1 stop
£493JetBlue
Mon, 18 May - Mon, 1 Jun
JetBlue Logo
11:30 - 10:24
DUB
-
SJU
27h 54m
1 stop
JetBlue Logo
07:00 - 09:00
SJU
-
DUB
21h 00m
1 stop
£494JetBlue
Mon, 18 May - Mon, 1 Jun
JetBlue Logo
11:30 - 10:24
DUB
-
SJU
27h 54m
1 stop
JetBlue Logo
03:30 - 09:00
SJU
-
DUB
24h 30m
1 stop
£525JetBlue
Thu, 14 May - Thu, 28 May
Multiple Airlines Logo
09:40 - 19:00
DUB
-
SJU
14h 20m
1 stop
Multiple Airlines Logo
11:55 - 09:40
SJU
-
DUB
16h 45m
2 stops
£570Multiple Airlines
Sun, 14 Jun - Tue, 23 Jun
British Airways Logo
08:30 - 21:24
DUB
-
SJU
17h 54m
2 stops
British Airways Logo
13:47 - 06:30
SJU
-
DUB
11h 43m
1 stop
£606British Airways
Mon, 18 May - Mon, 1 Jun
British Airways Logo
07:00 - 21:24
DUB
-
SJU
19h 24m
2 stops
British Airways Logo
13:47 - 06:30
SJU
-
DUB
11h 43m
1 stop
£615British Airways
Mon, 18 May - Mon, 1 Jun
British Airways Logo
07:00 - 21:24
DUB
-
SJU
19h 24m
2 stops
British Airways Logo
06:20 - 06:30
SJU
-
DUB
19h 10m
1 stop
£616British Airways
Thu, 14 May - Fri, 29 May
JetBlue Logo
11:30 - 21:00
DUB
-
SJU
14h 30m
1 stop
JetBlue Logo
14:35 - 09:00
SJU
-
DUB
13h 25m
1 stop
£631JetBlue
Tue, 5 May - Fri, 8 May

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Delta flights from Ireland to Puerto Rico

Our best Delta deals on Ireland to Puerto Rico flight tickets
Delta
18 May
DUB10:00Dublin
17h 17m
2 stops
SJU22:17San Juan Luis Munoz Marin Intl
1 Jun
SJU07:30San Juan Luis Munoz Marin Intl
20h 45m
2 stops
DUB09:15Dublin
£665
Delta
5 Oct
DUB13:15Dublin
15h 29m
1 stop
SJU23:44San Juan Luis Munoz Marin Intl
17 Oct
SJU07:30San Juan Luis Munoz Marin Intl
20h 45m
2 stops
DUB09:15Dublin
£667
Delta
7 May
DUB08:55Dublin
19h 40m
2 stops
SJU23:35San Juan Luis Munoz Marin Intl
11 May
SJU14:00San Juan Luis Munoz Marin Intl
17h 40m
2 stops
DUB12:40Dublin
£677

JetBlue flights from Ireland to Puerto Rico

Our best JetBlue deals on Ireland to Puerto Rico flight tickets
JetBlue
17 May
DUB11:30Dublin
31h 09m
1 stop
SJU13:39San Juan Luis Munoz Marin Intl
1 Jun
SJU07:00San Juan Luis Munoz Marin Intl
21h 00m
1 stop
DUB09:00Dublin
£476
JetBlue
5 Oct
DUB11:30Dublin
13h 02m
1 stop
SJU19:32San Juan Luis Munoz Marin Intl
17 Oct
SJU10:30San Juan Luis Munoz Marin Intl
17h 30m
1 stop
DUB09:00Dublin
£488
JetBlue
18 May
DUB11:30Dublin
31h 09m
1 stop
SJU13:39San Juan Luis Munoz Marin Intl
1 Jun
SJU05:01San Juan Luis Munoz Marin Intl
22h 19m
1 stop
DUB08:20Dublin
£493

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 279,928 searches. Data last updated 22 April 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 - SJU

DUBSJU

Dublin

Sun 17/5

11:30-13:39

1 stop31h 09m

San Juan Luis Munoz Marin Intl

Mon 1/6

07:00-09:00

1 stop21h 00m

£476

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 5/10

11:30-19:32

1 stop13h 02m

San Juan Luis Munoz Marin Intl

Sat 17/10

10:30-09:00

1 stop17h 30m

£488

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 18/5

11:30-13:39

1 stop31h 09m

San Juan Luis Munoz Marin Intl

Mon 1/6

05:01-08:20

1 stop22h 19m

£493

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 18/5

11:30-10:24

1 stop27h 54m

San Juan Luis Munoz Marin Intl

Mon 1/6

07:00-09:00

1 stop21h 00m

£494

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 14/5

11:30-10:24

1 stop27h 54m

San Juan Luis Munoz Marin Intl

Thu 28/5

03:30-09:00

1 stop24h 30m

£525

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sun 14/6

09:40-19:00

1 stop14h 20m

San Juan Luis Munoz Marin Intl

Tue 23/6

11:55-09:40

2 stops16h 45m

£570

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 18/5

08:30-21:24

2 stops17h 54m

San Juan Luis Munoz Marin Intl

Mon 1/6

13:47-06:30

1 stop11h 43m

£606

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 18/5

07:00-21:24

2 stops19h 24m

San Juan Luis Munoz Marin Intl

Mon 1/6

13:47-06:30

1 stop11h 43m

£615

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 14/5

07:00-21:24

2 stops19h 24m

San Juan Luis Munoz Marin Intl

Fri 29/5

06:20-06:30

1 stop19h 10m

£616
Fastest return journey

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 5/5

11:30-21:00

1 stop14h 30m

San Juan Luis Munoz Marin Intl

Fri 8/5

14:35-09:00

1 stop13h 25m

£631

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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?

In general, May is the cheapest month to fly from Ireland to Puerto Rico. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £457. If you don’t want to visit Puerto Rico in May, then you should wait until June to fly from Ireland, when ticket prices are also cheap, with an average price of £510.

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

Fastest flight time

21h 16m

Direct flights

None
The fastest flight from Ireland to Puerto Rico takes 21h 16m
There are no direct flights from Ireland to Puerto Rico. There are no popular flight routes from Ireland to Puerto Rico.
Search flight deals

Frequently asked questions about flying from Ireland to Puerto Rico

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

    Prices for flights from Ireland to Puerto Rico are updated 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 required travel and health documents for your Puerto Rico trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Puerto Rico. We recommend that you seek guidance from your airline or a reliable 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
American AirlinesPriceFrom £575Free CancellationRating
7.1
11,647 reviews
Search American Airlines 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?

Yes. momondo allows you to filter the results for Ireland to Puerto Rico flights to just show those with flexible booking policies.

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

Once all potential Ireland to Puerto Rico flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Puerto Rico from Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Puerto Rico

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