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Cheap flights from Ireland to San Juan from €377

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 30/3. 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

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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.
Multiple Airlines Logo
11:40 - 10:17
DUB
-
SJU
26h 37m
2 stops
Multiple Airlines Logo
15:30 - 08:20
SJU
-
DUB
12h 50m
1 stop
€535Multiple Airlines
Tue, 17 Feb - Tue, 24 Feb
Multiple Airlines Logo
11:30 - 11:56
DUB
-
SJU
28h 26m
2 stops
Multiple Airlines Logo
14:30 - 12:10
SJU
-
DUB
17h 40m
2 stops
€539Multiple Airlines
Tue, 17 Feb - Tue, 24 Feb
Multiple Airlines Logo
11:30 - 23:56
DUB
-
SJU
16h 26m
1 stop
Multiple Airlines Logo
06:00 - 17:05
SJU
-
DUB
31h 05m
2 stops
€545Multiple Airlines
Mon, 9 Feb - Mon, 16 Feb
American Airlines Logo
11:30 - 23:40
DUB
-
SJU
16h 10m
1 stop
American Airlines Logo
14:44 - 17:05
SJU
-
DUB
22h 21m
2 stops
€553American Airlines
Thu, 26 Feb - Mon, 2 Mar
American Airlines Logo
11:30 - 16:11
DUB
-
SJU
32h 41m
1 stop
American Airlines Logo
10:20 - 08:40
SJU
-
DUB
18h 20m
1 stop
€557American Airlines
Tue, 17 Feb - Tue, 24 Feb
Multiple Airlines Logo
11:30 - 12:40
DUB
-
SJU
29h 10m
1 stop
Multiple Airlines Logo
11:46 - 09:50
SJU
-
DUB
18h 04m
2 stops
€568Multiple Airlines
Sat, 7 Mar - Mon, 23 Mar
American Airlines Logo
11:30 - 23:40
DUB
-
SJU
16h 10m
1 stop
American Airlines Logo
14:30 - 08:40
SJU
-
DUB
14h 10m
1 stop
€569American Airlines
Thu, 26 Feb - Mon, 2 Mar
American Airlines Logo
11:30 - 16:30
DUB
-
SJU
33h 00m
1 stop
American Airlines Logo
07:00 - 08:40
SJU
-
DUB
21h 40m
1 stop
€577American Airlines
Wed, 28 Jan - Sun, 1 Feb
American Airlines Logo
11:30 - 15:12
DUB
-
SJU
31h 42m
1 stop
American Airlines Logo
05:00 - 08:40
SJU
-
DUB
23h 40m
1 stop
€582American Airlines
Sat, 7 Mar - Mon, 23 Mar
American Airlines Logo
11:30 - 18:22
DUB
-
SJU
34h 52m
2 stops
American Airlines Logo
07:00 - 08:40
SJU
-
DUB
21h 40m
1 stop
€589American Airlines
Wed, 28 Jan - Sun, 1 Feb

American Airlines flights from Ireland to San Juan

Our best American Airlines deals on Ireland to San Juan flight tickets
American Airlines
26 Feb
DUB11:30Dublin
16h 10m
1 stop
SJU23:40San Juan Luis Munoz Marin Intl
2 Mar
SJU14:44San Juan Luis Munoz Marin Intl
22h 21m
2 stops
DUB17:05Dublin
€553
American Airlines
17 Feb
DUB11:30Dublin
32h 41m
1 stop
SJU16:11San Juan Luis Munoz Marin Intl
24 Feb
SJU10:20San Juan Luis Munoz Marin Intl
18h 20m
1 stop
DUB08:40Dublin
€557
American Airlines
26 Feb
DUB11:30Dublin
16h 10m
1 stop
SJU23:40San Juan Luis Munoz Marin Intl
2 Mar
SJU14:30San Juan Luis Munoz Marin Intl
14h 10m
1 stop
DUB08:40Dublin
€569

Delta flights from Ireland to San Juan

Our best Delta deals on Ireland to San Juan flight tickets
Delta
28 Jan
DUB10:45Dublin
31h 46m
2 stops
SJU14:31San Juan Luis Munoz Marin Intl
1 Feb
SJU07:00San Juan Luis Munoz Marin Intl
21h 05m
2 stops
DUB08:05Dublin
€639
Delta
28 Jan
DUB10:45Dublin
34h 05m
1 stop
SJU16:50San Juan Luis Munoz Marin Intl
1 Feb
SJU14:15San Juan Luis Munoz Marin Intl
22h 05m
2 stops
DUB16:20Dublin
€672

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 13 January 2026.
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

Tue 17/2

11:40-10:17

2 stops26h 37m

San Juan Luis Munoz Marin Intl

Tue 24/2

15:30-08:20

1 stop12h 50m

€535

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 17/2

11:30-11:56

2 stops28h 26m

San Juan Luis Munoz Marin Intl

Tue 24/2

14:30-12:10

2 stops17h 40m

€539

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 9/2

11:30-23:56

1 stop16h 26m

San Juan Luis Munoz Marin Intl

Mon 16/2

06:00-17:05

2 stops31h 05m

€545

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 26/2

11:30-23:40

1 stop16h 10m

San Juan Luis Munoz Marin Intl

Mon 2/3

14:44-17:05

2 stops22h 21m

€553

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 17/2

11:30-16:11

1 stop32h 41m

San Juan Luis Munoz Marin Intl

Tue 24/2

10:20-08:40

1 stop18h 20m

€557

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 7/3

11:30-12:40

1 stop29h 10m

San Juan Luis Munoz Marin Intl

Mon 23/3

11:46-09:50

2 stops18h 04m

€568

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 26/2

11:30-23:40

1 stop16h 10m

San Juan Luis Munoz Marin Intl

Mon 2/3

14:30-08:40

1 stop14h 10m

€569

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 28/1

11:30-16:30

1 stop33h 00m

San Juan Luis Munoz Marin Intl

Sun 1/2

07:00-08:40

1 stop21h 40m

€577

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 7/3

11:30-15:12

1 stop31h 42m

San Juan Luis Munoz Marin Intl

Mon 23/3

05:00-08:40

1 stop23h 40m

€582

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 28/1

11:30-18:22

2 stops34h 52m

San Juan Luis Munoz Marin Intl

Sun 1/2

07:00-08:40

1 stop21h 40m

€589

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 €507, 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 €557.

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 25m

Direct flights

None
The fastest flight from Ireland to San Juan takes 14h 25m
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 €534Free CancellationRating
7.2
2,883 reviews
Search JetBlue flights
American AirlinesPriceFrom €612Free CancellationRating
7.2
11,110 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.

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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