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Cheap flights from Ireland to Puerto Rico from £346

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 6/5. 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.
British Airways Logo
11:30 - 23:40
DUB
-
SJU
16h 10m1 stop
British Airways Logo
12:46 - 09:40
SJU
-
DUB
16h 54m2 stops
£484British Airways
Thu, 12 Feb - Wed, 18 Feb
British Airways Logo
11:30 - 23:56
DUB
-
SJU
16h 26m1 stop
British Airways Logo
14:28 - 09:50
SJU
-
DUB
15h 22m2 stops
£486British Airways
Thu, 5 Feb - Mon, 9 Feb
British Airways Logo
11:30 - 23:40
DUB
-
SJU
16h 10m1 stop
British Airways Logo
06:00 - 08:40
SJU
-
DUB
22h 40m1 stop
£500British Airways
Sun, 22 Feb - Sun, 1 Mar
British Airways Logo
20:40 - 22:58
DUB
-
SJU
30h 18m2 stops
British Airways Logo
13:30 - 17:05
SJU
-
DUB
23h 35m2 stops
£524British Airways
Sat, 7 Mar - Mon, 23 Mar
KLM Logo
08:50 - 23:58
DUB
-
SJU
19h 08m2 stops
KLM Logo
14:24 - 09:20
SJU
-
DUB
14h 56m1 stop
£528KLM
Sun, 22 Feb - Sun, 1 Mar
British Airways Logo
08:55 - 00:52
DUB
-
SJU
19h 57m2 stops
British Airways Logo
06:00 - 08:40
SJU
-
DUB
22h 40m1 stop
£531British Airways
Sat, 14 Feb - Sun, 22 Feb
Delta Logo
05:55 - 23:58
DUB
-
SJU
22h 03m2 stops
Delta Logo
18:37 - 15:45
SJU
-
DUB
17h 08m2 stops
£546Delta
Thu, 12 Feb - Wed, 18 Feb
Delta Logo
13:25 - 21:12
DUB
-
SJU
35h 47m2 stops
Delta Logo
18:02 - 08:00
SJU
-
DUB
33h 58m2 stops
£548Delta
Thu, 12 Feb - Tue, 24 Feb
Delta Logo
05:55 - 23:58
DUB
-
SJU
22h 03m2 stops
Delta Logo
06:15 - 07:45
SJU
-
DUB
21h 30m1 stop
£548Delta
Thu, 12 Feb - Sat, 21 Feb
Delta Logo
08:50 - 23:58
DUB
-
SJU
19h 08m2 stops
Delta Logo
06:15 - 12:40
SJU
-
DUB
26h 25m2 stops
£550Delta
Thu, 12 Feb - Sun, 22 Feb

British Airways flights from Ireland to Puerto Rico

Our best British Airways deals on Ireland to Puerto Rico flight tickets
British Airways
12 Feb
DUB11:30Dublin
16h 10m
1 stop
SJU23:40San Juan Luis Munoz Marin Intl
19 Feb
SJU16:50San Juan Luis Munoz Marin Intl
18h 00m
2 stops
DUB14:50Dublin
£484
British Airways
5 Feb
DUB11:30Dublin
16h 26m
1 stop
SJU23:56San Juan Luis Munoz Marin Intl
9 Feb
SJU14:28San Juan Luis Munoz Marin Intl
15h 22m
2 stops
DUB09:50Dublin
£486
British Airways
22 Feb
DUB11:30Dublin
16h 10m
1 stop
SJU23:40San Juan Luis Munoz Marin Intl
1 Mar
SJU06:00San Juan Luis Munoz Marin Intl
22h 40m
1 stop
DUB08:40Dublin
£500

KLM flights from Ireland to Puerto Rico

Our best KLM deals on Ireland to Puerto Rico flight tickets
KLM
22 Feb
DUB08:50Dublin
19h 08m
2 stops
SJU23:58San Juan Luis Munoz Marin Intl
1 Mar
SJU14:24San Juan Luis Munoz Marin Intl
14h 56m
1 stop
DUB09:20Dublin
£528
KLM
15 Feb
DUB05:55Dublin
22h 03m
2 stops
SJU23:58San Juan Luis Munoz Marin Intl
21 Feb
SJU18:37San Juan Luis Munoz Marin Intl
33h 08m
1 stop
DUB07:45Dublin
£627
KLM
26 Jan
DUB10:45Dublin
17h 12m
1 stop
SJU23:57San Juan Luis Munoz Marin Intl
30 Jan
SJU14:15San Juan Luis Munoz Marin Intl
14h 30m
1 stop
DUB08:45Dublin
£656

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 12 January 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

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 12/2

11:30-23:40

1 stop16h 10m

San Juan Luis Munoz Marin Intl

Wed 18/2

12:46-09:40

2 stops16h 54m

£484

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 5/2

11:30-23:56

1 stop16h 26m

San Juan Luis Munoz Marin Intl

Mon 9/2

14:28-09:50

2 stops15h 22m

£486

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sun 22/2

11:30-23:40

1 stop16h 10m

San Juan Luis Munoz Marin Intl

Sun 1/3

06:00-08:40

1 stop22h 40m

£500

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 7/3

20:40-22:58

2 stops30h 18m

San Juan Luis Munoz Marin Intl

Mon 23/3

13:30-17:05

2 stops23h 35m

£524

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sun 22/2

08:50-23:58

2 stops19h 08m

San Juan Luis Munoz Marin Intl

Sun 1/3

14:24-09:20

1 stop14h 56m

£528

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 14/2

08:55-00:52

2 stops19h 57m

San Juan Luis Munoz Marin Intl

Sun 22/2

06:00-08:40

1 stop22h 40m

£531

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 12/2

05:55-23:58

2 stops22h 03m

San Juan Luis Munoz Marin Intl

Wed 18/2

18:37-15:45

2 stops17h 08m

£546

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 12/2

13:25-21:12

2 stops35h 47m

San Juan Luis Munoz Marin Intl

Tue 24/2

18:02-08:00

2 stops33h 58m

£548

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 12/2

05:55-23:58

2 stops22h 03m

San Juan Luis Munoz Marin Intl

Sat 21/2

06:15-07:45

1 stop21h 30m

£548

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 12/2

08:50-23:58

2 stops19h 08m

San Juan Luis Munoz Marin Intl

Sun 22/2

06:15-12:40

2 stops26h 25m

£550

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
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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?

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 £442. 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 £485.

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

28h 57m

Direct flights

None
The fastest flight from Ireland to Puerto Rico takes 28h 57m
There are no direct flights from Ireland to Puerto Rico. There are no popular flight routes from Ireland to Puerto Rico.
Search flight deals

  • 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 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.

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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