Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Ireland to Puerto Rico from £450

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 20/3. 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
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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.
American Airlines Logo
11:30 - 10:40DUB-SJU
27h 10m2 stops
American Airlines Logo
13:45 - 09:50SJU-DUB
15h 05m2 stops
£484American Airlines
Find Deal
Wed, 25 Mar - Tue, 7 Apr
American Airlines Logo
09:30 - 20:34DUB-SJU
16h 04m2 stops
American Airlines Logo
13:45 - 09:50SJU-DUB
15h 05m2 stops
£488American Airlines
Find Deal
Mon, 30 Mar - Tue, 7 Apr
British Airways Logo
09:30 - 00:10DUB-SJU
19h 40m1 stop
British Airways Logo
11:50 - 09:40SJU-DUB
16h 50m2 stops
£489British Airways
Find Deal
Wed, 8 Apr - Fri, 24 Apr
British Airways Logo
08:50 - 22:40DUB-SJU
17h 50m2 stops
British Airways Logo
05:40 - 06:30SJU-DUB
19h 50m1 stop
£497British Airways
Find Deal
Thu, 26 Mar - Wed, 8 Apr
Multiple Airlines Logo
11:30 - 12:27DUB-SJU
28h 57m2 stops
Multiple Airlines Logo
11:38 - 08:40SJU-DUB
17h 02m2 stops
£498Multiple Airlines
Find Deal
Mon, 26 Jan - Wed, 4 Feb
American Airlines Logo
11:30 - 04:19DUB-SJU
20h 49m2 stops
American Airlines Logo
06:25 - 06:30SJU-DUB
19h 05m2 stops
£498American Airlines
Find Deal
Wed, 25 Mar - Wed, 8 Apr
Multiple Airlines Logo
09:30 - 20:34DUB-SJU
16h 04m2 stops
Multiple Airlines Logo
11:45 - 09:55SJU-DUB
17h 10m1 stop
£500Multiple Airlines
Find Deal
Thu, 2 Apr - Sat, 11 Apr
Multiple Airlines Logo
12:40 - 10:35DUB-SJU
26h 55m1 stop
Multiple Airlines Logo
06:59 - 09:45SJU-DUB
21h 46m1 stop
£501Multiple Airlines
Find Deal
Wed, 8 Apr - Fri, 24 Apr
American Airlines Logo
09:30 - 22:34DUB-SJU
18h 04m2 stops
American Airlines Logo
05:40 - 06:30SJU-DUB
19h 50m1 stop
£502American Airlines
Find Deal
Mon, 30 Mar - Thu, 9 Apr
Multiple Airlines Logo
11:30 - 23:52DUB-SJU
16h 22m1 stop
Multiple Airlines Logo
16:50 - 08:40SJU-DUB
11h 50m1 stop
£547Multiple Airlines
Find Deal
Sat, 6 Dec - Wed, 10 Dec

American Airlines flights from Ireland to Puerto Rico

Our best American Airlines deals on Ireland to Puerto Rico flight tickets
American Airlines
25 Mar
DUB11:30Dublin
27h 10m
2 stops
SJU10:40San Juan Luis Munoz Marin Intl
7 Apr
SJU13:45San Juan Luis Munoz Marin Intl
15h 05m
2 stops
DUB09:50Dublin
£484
Find similar
American Airlines
30 Mar
DUB09:30Dublin
16h 04m
2 stops
SJU20:34San Juan Luis Munoz Marin Intl
7 Apr
SJU13:45San Juan Luis Munoz Marin Intl
15h 05m
2 stops
DUB09:50Dublin
£488
Find similar
American Airlines
25 Mar
DUB11:30Dublin
20h 49m
2 stops
SJU04:19San Juan Luis Munoz Marin Intl
8 Apr
SJU06:25San Juan Luis Munoz Marin Intl
19h 05m
2 stops
DUB06:30Dublin
£498
Find similar

British Airways flights from Ireland to Puerto Rico

Our best British Airways deals on Ireland to Puerto Rico flight tickets
British Airways
8 Apr
DUB09:30Dublin
19h 40m
1 stop
SJU00:10San Juan Luis Munoz Marin Intl
24 Apr
SJU11:50San Juan Luis Munoz Marin Intl
16h 50m
2 stops
DUB09:40Dublin
£489
Find similar
British Airways
26 Mar
DUB08:50Dublin
17h 50m
2 stops
SJU22:40San Juan Luis Munoz Marin Intl
8 Apr
SJU05:40San Juan Luis Munoz Marin Intl
19h 50m
1 stop
DUB06:30Dublin
£497
Find similar
British Airways
27 Mar
DUB06:40Dublin
20h 00m
2 stops
SJU22:40San Juan Luis Munoz Marin Intl
4 Apr
SJU15:36San Juan Luis Munoz Marin Intl
19h 59m
2 stops
DUB16:35Dublin
£602
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 279,928 searches. Data last updated 27 November 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

Wed 25/3

11:30-10:40

2 stops27h 10m

San Juan Luis Munoz Marin Intl

Tue 7/4

13:45-09:50

2 stops15h 05m

£484

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 30/3

09:30-20:34

2 stops16h 04m

San Juan Luis Munoz Marin Intl

Tue 7/4

13:45-09:50

2 stops15h 05m

£488

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 8/4

09:30-00:10

1 stop19h 40m

San Juan Luis Munoz Marin Intl

Fri 24/4

11:50-09:40

2 stops16h 50m

£489

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 26/3

08:50-22:40

2 stops17h 50m

San Juan Luis Munoz Marin Intl

Wed 8/4

05:40-06:30

1 stop19h 50m

£497

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 26/1

11:30-12:27

2 stops28h 57m

San Juan Luis Munoz Marin Intl

Wed 4/2

11:38-08:40

2 stops17h 02m

£498

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 25/3

11:30-04:19

2 stops20h 49m

San Juan Luis Munoz Marin Intl

Wed 8/4

06:25-06:30

2 stops19h 05m

£498

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 2/4

09:30-20:34

2 stops16h 04m

San Juan Luis Munoz Marin Intl

Sat 11/4

11:45-09:55

1 stop17h 10m

£500

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 8/4

12:40-10:35

1 stop26h 55m

San Juan Luis Munoz Marin Intl

Fri 24/4

06:59-09:45

1 stop21h 46m

£501

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 30/3

09:30-22:34

2 stops18h 04m

San Juan Luis Munoz Marin Intl

Thu 9/4

05:40-06:30

1 stop19h 50m

£502

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 6/12

11:30-23:52

1 stop16h 22m

San Juan Luis Munoz Marin Intl

Wed 10/12

16:50-08:40

1 stop11h 50m

£547

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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 £448. 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 £492.

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

According to our data, Saturday is the cheapest day to fly to Puerto Rico from Ireland. The lowest ticket price found for a Saturday departure recently was £609. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Puerto Rico is Monday, with ticket prices averaging around £802.

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

Flying to Puerto Rico from Ireland in the morning is the least expensive time of day to depart. momondo users have found prices as low as £698 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £737 on average. Flights to Puerto Rico from Ireland at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

18h 50m

Direct flights

None
The fastest flight from Ireland to Puerto Rico takes 18h 50m
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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 27/12
Sat 3/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Puerto Rico

Popular Cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo
Flights to San Juanfrom £373
Flights to Aguadillafrom £487