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Cheap flights from Ireland to Puerto Rico from £447

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 20/9. 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
1 adult, Economy, 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 - 00:13
DUB
-
SJU
17h 43m
1 stop
JetBlue Logo
20:07 - 08:20
SJU
-
DUB
31h 13m
1 stop
£487JetBlue
Thu, 20 Aug - Wed, 2 Sep
JetBlue Logo
11:30 - 22:59
DUB
-
SJU
16h 29m
1 stop
JetBlue Logo
13:30 - 09:00
SJU
-
DUB
14h 30m
1 stop
£487JetBlue
Tue, 1 Sep - Mon, 7 Sep
JetBlue Logo
11:30 - 00:13
DUB
-
SJU
17h 43m
1 stop
JetBlue Logo
15:10 - 09:00
SJU
-
DUB
12h 50m
1 stop
£503JetBlue
Tue, 1 Sep - Mon, 7 Sep
JetBlue Logo
11:30 - 00:13
DUB
-
SJU
17h 43m
1 stop
JetBlue Logo
11:50 - 09:00
SJU
-
DUB
16h 10m
1 stop
£504JetBlue
Tue, 1 Sep - Mon, 7 Sep
JetBlue Logo
11:30 - 00:13
DUB
-
SJU
17h 43m
1 stop
JetBlue Logo
11:50 - 09:00
SJU
-
DUB
16h 10m
1 stop
£505JetBlue
Tue, 1 Sep - Mon, 7 Sep
JetBlue Logo
11:30 - 08:47
DUB
-
SJU
26h 17m
1 stop
JetBlue Logo
06:00 - 08:20
SJU
-
DUB
21h 20m
1 stop
£515JetBlue
Tue, 11 Aug - Tue, 18 Aug
JetBlue Logo
10:40 - 23:54
DUB
-
SJU
18h 14m
1 stop
JetBlue Logo
16:15 - 08:20
SJU
-
DUB
11h 05m
1 stop
£528JetBlue
Tue, 11 Aug - Sat, 22 Aug
Multiple Airlines Logo
09:50 - 18:30
DUB
-
SJU
13h 40m
1 stop
Multiple Airlines Logo
10:33 - 09:40
SJU
-
DUB
18h 07m
2 stops
£535Multiple Airlines
Tue, 1 Sep - Mon, 7 Sep
JetBlue Logo
10:40 - 23:54
DUB
-
SJU
18h 14m
1 stop
JetBlue Logo
10:30 - 09:00
SJU
-
DUB
17h 30m
1 stop
£543JetBlue
Mon, 7 Sep - Mon, 14 Sep
JetBlue Logo
11:30 - 22:46
DUB
-
SJU
16h 16m
1 stop
JetBlue Logo
14:30 - 08:20
SJU
-
DUB
12h 50m
1 stop
£543JetBlue
Thu, 13 Aug - Thu, 20 Aug

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JetBlue flights from Ireland to Puerto Rico

Our best JetBlue deals on Ireland to Puerto Rico flight tickets
JetBlue
20 Aug
DUB11:30Dublin
17h 43m
1 stop
SJU00:13San Juan Luis Munoz Marin Intl
2 Sept
SJU20:07San Juan Luis Munoz Marin Intl
31h 13m
1 stop
DUB08:20Dublin
£487
JetBlue
1 Sept
DUB11:30Dublin
16h 29m
1 stop
SJU22:59San Juan Luis Munoz Marin Intl
7 Sept
SJU13:30San Juan Luis Munoz Marin Intl
14h 30m
1 stop
DUB09:00Dublin
£487
JetBlue
1 Sept
DUB11:30Dublin
17h 43m
1 stop
SJU00:13San Juan Luis Munoz Marin Intl
7 Sept
SJU15:10San Juan Luis Munoz Marin Intl
12h 50m
1 stop
DUB09:00Dublin
£503

British Airways flights from Ireland to Puerto Rico

Our best British Airways deals on Ireland to Puerto Rico flight tickets
British Airways
1 Sept
DUB09:40Dublin
17h 44m
2 stops
SJU22:24San Juan Luis Munoz Marin Intl
7 Sept
SJU10:33San Juan Luis Munoz Marin Intl
18h 07m
2 stops
DUB09:40Dublin
£632
British Airways
28 Oct
DUB10:20Dublin
27h 26m
2 stops
SJU09:46San Juan Luis Munoz Marin Intl
11 Nov
SJU12:55San Juan Luis Munoz Marin Intl
17h 20m
2 stops
DUB10:15Dublin
£641
British Airways
31 Oct
DUB06:40Dublin
19h 42m
2 stops
SJU22:22San Juan Luis Munoz Marin Intl
14 Nov
SJU16:37San Juan Luis Munoz Marin Intl
17h 38m
2 stops
DUB14:15Dublin
£669

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 30 June 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

Thu 20/8

11:30-00:13

1 stop17h 43m

San Juan Luis Munoz Marin Intl

Wed 2/9

20:07-08:20

1 stop31h 13m

£487

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 1/9

11:30-22:59

1 stop16h 29m

San Juan Luis Munoz Marin Intl

Mon 7/9

13:30-09:00

1 stop14h 30m

£487

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 1/9

11:30-00:13

1 stop17h 43m

San Juan Luis Munoz Marin Intl

Mon 7/9

15:10-09:00

1 stop12h 50m

£503

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 1/9

11:30-00:13

1 stop17h 43m

San Juan Luis Munoz Marin Intl

Mon 7/9

11:50-09:00

1 stop16h 10m

£504

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 1/9

11:30-00:13

1 stop17h 43m

San Juan Luis Munoz Marin Intl

Mon 7/9

11:50-09:00

1 stop16h 10m

£505

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 11/8

11:30-08:47

1 stop26h 17m

San Juan Luis Munoz Marin Intl

Tue 18/8

06:00-08:20

1 stop21h 20m

£515

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 11/8

10:40-23:54

1 stop18h 14m

San Juan Luis Munoz Marin Intl

Sat 22/8

16:15-08:20

1 stop11h 05m

£528

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 1/9

09:50-18:30

1 stop13h 40m

San Juan Luis Munoz Marin Intl

Mon 7/9

10:33-09:40

2 stops18h 07m

£535

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 7/9

10:40-23:54

1 stop18h 14m

San Juan Luis Munoz Marin Intl

Mon 14/9

10:30-09:00

1 stop17h 30m

£543
Fastest return journey

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 13/8

11:30-22:46

1 stop16h 16m

San Juan Luis Munoz Marin Intl

Thu 20/8

14:30-08:20

1 stop12h 50m

£543

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 £386. If you don’t want to visit Puerto Rico in May, then you should wait until November to fly from Ireland, when ticket prices are also cheap, with an average price of £507.

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 £587Free CancellationRating
7.1
11,762 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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