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Cheap flights from Ireland to San Juan from €330

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 San Juan departing on 23/2. 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 San Juan

Recent return flight deals from Ireland to San Juan

Enter your travel dates to find the best prices.
American Airlines Logo
11:30 - 11:41
DUB
-
SJU
28h 11m2 stops
American Airlines Logo
17:51 - 17:00
SJU
-
DUB
19h 09m2 stops
€554American Airlines
Fri, 27 Feb - Tue, 3 Mar
JetBlue Logo
10:40 - 22:12
DUB
-
SJU
16h 32m1 stop
JetBlue Logo
13:00 - 08:20
SJU
-
DUB
14h 20m1 stop
€560JetBlue
Wed, 22 Apr - Wed, 29 Apr
Delta Logo
05:55 - 23:57
DUB
-
SJU
22h 02m2 stops
Delta Logo
07:30 - 08:45
SJU
-
DUB
21h 15m2 stops
€562Delta
Mon, 26 Jan - Tue, 3 Feb
JetBlue Logo
10:40 - 22:12
DUB
-
SJU
16h 32m1 stop
JetBlue Logo
12:00 - 09:00
SJU
-
DUB
16h 00m1 stop
€567JetBlue
Tue, 21 Apr - Thu, 30 Apr
Delta Logo
10:45 - 13:06
DUB
-
SJU
30h 21m2 stops
Delta Logo
07:00 - 07:50
SJU
-
DUB
20h 50m2 stops
€568Delta
Wed, 28 Jan - Wed, 4 Feb
Multiple Airlines Logo
11:30 - 10:48
DUB
-
SJU
27h 18m2 stops
Multiple Airlines Logo
07:00 - 08:40
SJU
-
DUB
21h 40m1 stop
€570Multiple Airlines
Mon, 12 Jan - Sun, 25 Jan
British Airways Logo
11:30 - 13:33
DUB
-
SJU
30h 03m2 stops
British Airways Logo
14:30 - 08:40
SJU
-
DUB
14h 10m1 stop
€574British Airways
Thu, 12 Feb - Thu, 19 Feb
British Airways Logo
11:30 - 16:12
DUB
-
SJU
32h 42m1 stop
British Airways Logo
14:30 - 08:40
SJU
-
DUB
14h 10m1 stop
€576British Airways
Thu, 12 Feb - Thu, 19 Feb
American Airlines Logo
11:30 - 23:56
DUB
-
SJU
16h 26m1 stop
American Airlines Logo
06:00 - 08:40
SJU
-
DUB
22h 40m1 stop
€579American Airlines
Sat, 7 Feb - Sun, 15 Feb
American Airlines Logo
11:30 - 23:59
DUB
-
SJU
16h 29m2 stops
American Airlines Logo
06:00 - 08:40
SJU
-
DUB
22h 40m1 stop
€582American Airlines
Sat, 7 Feb - Sun, 15 Feb

Delta flights from Ireland to San Juan

Our best Delta deals on Ireland to San Juan flight tickets
Delta
26 Jan
DUB05:55Dublin
22h 02m
2 stops
SJU23:57San Juan Luis Munoz Marin Intl
3 Feb
SJU07:30San Juan Luis Munoz Marin Intl
21h 15m
2 stops
DUB08:45Dublin
€562
Find similar
Delta
28 Jan
DUB10:45Dublin
30h 21m
2 stops
SJU13:06San Juan Luis Munoz Marin Intl
4 Feb
SJU07:00San Juan Luis Munoz Marin Intl
20h 50m
2 stops
DUB07:50Dublin
€568
Find similar
Delta
14 Jan
DUB10:45Dublin
17h 12m
1 stop
SJU23:57San Juan Luis Munoz Marin Intl
18 Jan
SJU06:15San Juan Luis Munoz Marin Intl
22h 30m
2 stops
DUB08:45Dublin
€620
Find similar

American Airlines flights from Ireland to San Juan

Our best American Airlines deals on Ireland to San Juan flight tickets
American Airlines
27 Feb
DUB11:30Dublin
28h 11m
2 stops
SJU11:41San Juan Luis Munoz Marin Intl
3 Mar
SJU17:51San Juan Luis Munoz Marin Intl
19h 09m
2 stops
DUB17:00Dublin
€554
Find similar
American Airlines
7 Feb
DUB11:30Dublin
16h 26m
1 stop
SJU23:56San Juan Luis Munoz Marin Intl
15 Feb
SJU06:00San Juan Luis Munoz Marin Intl
22h 40m
1 stop
DUB08:40Dublin
€579
Find similar
American Airlines
7 Feb
DUB11:30Dublin
16h 29m
2 stops
SJU23:59San Juan Luis Munoz Marin Intl
15 Feb
SJU06:00San Juan Luis Munoz Marin Intl
22h 40m
1 stop
DUB08:40Dublin
€582
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to San Juan 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 30 December 2025.
Use the filters below to find and compare flights from Ireland to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 27/2

11:30-11:41

2 stops28h 11m

San Juan Luis Munoz Marin Intl

Tue 3/3

17:51-17:00

2 stops19h 09m

€554

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 22/4

10:40-22:12

1 stop16h 32m

San Juan Luis Munoz Marin Intl

Wed 29/4

13:00-08:20

1 stop14h 20m

€560

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 26/1

05:55-23:57

2 stops22h 02m

San Juan Luis Munoz Marin Intl

Tue 3/2

07:30-08:45

2 stops21h 15m

€562

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 21/4

10:40-22:12

1 stop16h 32m

San Juan Luis Munoz Marin Intl

Thu 30/4

12:00-09:00

1 stop16h 00m

€567

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 28/1

10:45-13:06

2 stops30h 21m

San Juan Luis Munoz Marin Intl

Wed 4/2

07:00-07:50

2 stops20h 50m

€568

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 12/1

11:30-10:48

2 stops27h 18m

San Juan Luis Munoz Marin Intl

Sun 25/1

07:00-08:40

1 stop21h 40m

€570

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 12/2

11:30-13:33

2 stops30h 03m

San Juan Luis Munoz Marin Intl

Thu 19/2

14:30-08:40

1 stop14h 10m

€574

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 12/2

11:30-16:12

1 stop32h 42m

San Juan Luis Munoz Marin Intl

Thu 19/2

14:30-08:40

1 stop14h 10m

€576

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 7/2

11:30-23:56

1 stop16h 26m

San Juan Luis Munoz Marin Intl

Sun 15/2

06:00-08:40

1 stop22h 40m

€579

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 7/2

11:30-23:59

2 stops16h 29m

San Juan Luis Munoz Marin Intl

Sun 15/2

06:00-08:40

1 stop22h 40m

€582

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to San Juan from

How to get the cheapest flight ticket from Ireland to San Juan

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 San Juan?

The cheapest month to fly to San Juan from Ireland is in May. Flight prices, which tend to average around €503, are often lower during this time because this is during the off-season. If you are unable to visit San Juan during the month of May, then departing from Ireland during the month June is also very affordable. Most momondo users find prices during this month for around €552.

Cheap Ireland to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to San Juan

Fastest flight time

14h 17m

Direct flights

None
The fastest flight from Ireland to San Juan takes 14h 17m
There are no direct flights from Ireland to San Juan. There are no popular flight routes from Ireland to San Juan.
Search flight deals

  • When did momondo last update prices for flights from Ireland to San Juan?

    Prices for flights from Ireland to San Juan refresh daily.

  • How many operators does momondo search for flights from Ireland to San Juan?

  • How old do you have to be to fly from Ireland to San Juan?

    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 San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The necessary travel and health documents for your San Juan 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 San Juan

Compare and see reviews for airlines that fly from Ireland to San Juan with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom €529Free CancellationRating
7.2
2,903 reviews
Search JetBlue flights
American AirlinesPriceFrom €607Free CancellationRating
7.2
11,074 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to San Juan?

Finding the right flight to San Juan 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 San Juan quick and easy, saving you time and money.

Can I find flights from Ireland to San Juan with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Juan from Ireland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ireland to San Juan?

momondo provides multiple filters to help you find the best flight to San Juan from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Ireland to San Juan now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Juan and let you know when they change.

An easier way to manage your San Juan 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

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 11.5 km from San Juan
San Juan Luis Munoz Marin Intl Airport