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Cheap flights from Ireland to San Juan from €395

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 19/8. 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 San Juan

Recent return flight deals from Ireland to San Juan

Enter your travel dates to find the best prices.
JetBlue Logo
11:30 - 19:32
DUB
-
SJU
13h 02m
1 stop
JetBlue Logo
10:30 - 09:00
SJU
-
DUB
17h 30m
1 stop
€515JetBlue
Wed, 30 Sep - Sun, 4 Oct
JetBlue Logo
11:30 - 19:32
DUB
-
SJU
13h 02m
1 stop
JetBlue Logo
10:30 - 09:00
SJU
-
DUB
17h 30m
1 stop
€516JetBlue
Wed, 30 Sep - Sun, 4 Oct
Multiple Airlines Logo
09:50 - 19:05
DUB
-
SJU
14h 15m
1 stop
Multiple Airlines Logo
11:51 - 09:40
SJU
-
DUB
16h 49m
2 stops
€620Multiple Airlines
Mon, 7 Sep - Sun, 13 Sep
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
€621Multiple Airlines
Tue, 1 Sep - Mon, 7 Sep
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
€622Multiple Airlines
Tue, 1 Sep - Mon, 7 Sep
JetBlue Logo
11:30 - 00:10
DUB
-
SJU
17h 40m
1 stop
JetBlue Logo
11:50 - 09:00
SJU
-
DUB
16h 10m
1 stop
€630JetBlue
Tue, 1 Sep - Mon, 7 Sep
British Airways Logo
08:35 - 22:24
DUB
-
SJU
18h 49m
2 stops
British Airways Logo
10:33 - 09:40
SJU
-
DUB
18h 07m
2 stops
€632British Airways
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
€639JetBlue
Mon, 7 Sep - Sun, 13 Sep
American Airlines Logo
13:45 - 22:24
DUB
-
SJU
13h 39m
1 stop
American Airlines Logo
15:47 - 09:35
SJU
-
DUB
12h 48m
1 stop
€642American Airlines
Tue, 1 Sep - Mon, 7 Sep
American Airlines Logo
11:45 - 23:59
DUB
-
SJU
17h 14m
1 stop
American Airlines Logo
16:06 - 09:35
SJU
-
DUB
12h 29m
1 stop
€643American Airlines
Mon, 7 Sep - Sun, 13 Sep

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JetBlue flights from Ireland to San Juan

Our best JetBlue deals on Ireland to San Juan flight tickets
JetBlue
30 Sept
DUB11:30Dublin
13h 02m
1 stop
SJU19:32San Juan Luis Munoz Marin Intl
4 Oct
SJU10:30San Juan Luis Munoz Marin Intl
17h 30m
1 stop
DUB09:00Dublin
€515
JetBlue
30 Sept
DUB11:30Dublin
13h 02m
1 stop
SJU19:32San Juan Luis Munoz Marin Intl
4 Oct
SJU10:30San Juan Luis Munoz Marin Intl
17h 30m
1 stop
DUB09:00Dublin
€516
JetBlue
27 Jun
DUB11:30Dublin
13h 38m
1 stop
SJU20:08San Juan Luis Munoz Marin Intl
13 Jul
SJU07:55San Juan Luis Munoz Marin Intl
20h 05m
1 stop
DUB09:00Dublin
€577

American Airlines flights from Ireland to San Juan

Our best American Airlines deals on Ireland to San Juan flight tickets
American Airlines
1 Sept
DUB13:45Dublin
13h 39m
1 stop
SJU22:24San Juan Luis Munoz Marin Intl
7 Sept
SJU15:47San Juan Luis Munoz Marin Intl
12h 48m
1 stop
DUB09:35Dublin
€642
American Airlines
7 Sept
DUB11:45Dublin
17h 14m
1 stop
SJU23:59San Juan Luis Munoz Marin Intl
13 Sept
SJU16:06San Juan Luis Munoz Marin Intl
12h 29m
1 stop
DUB09:35Dublin
€643
American Airlines
30 Sept
DUB09:30Dublin
30h 30m
2 stops
SJU11:00San Juan Luis Munoz Marin Intl
4 Oct
SJU11:51San Juan Luis Munoz Marin Intl
16h 44m
2 stops
DUB09:35Dublin
€644

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 June 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

Cheapest return flight

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 30/9

11:30-19:32

1 stop13h 02m

San Juan Luis Munoz Marin Intl

Sun 4/10

10:30-09:00

1 stop17h 30m

€515

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 30/9

11:30-19:32

1 stop13h 02m

San Juan Luis Munoz Marin Intl

Sun 4/10

10:30-09:00

1 stop17h 30m

€516

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 7/9

09:50-19:05

1 stop14h 15m

San Juan Luis Munoz Marin Intl

Sun 13/9

11:51-09:40

2 stops16h 49m

€620

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

€621

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

€622

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 1/9

11:30-00:10

1 stop17h 40m

San Juan Luis Munoz Marin Intl

Mon 7/9

11:50-09:00

1 stop16h 10m

€630

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 1/9

08:35-22:24

2 stops18h 49m

San Juan Luis Munoz Marin Intl

Mon 7/9

10:33-09:40

2 stops18h 07m

€632

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 7/9

10:40-23:54

1 stop18h 14m

San Juan Luis Munoz Marin Intl

Sun 13/9

10:30-09:00

1 stop17h 30m

€639
Fastest return journey

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 1/9

13:45-22:24

1 stop13h 39m

San Juan Luis Munoz Marin Intl

Mon 7/9

15:47-09:35

1 stop12h 48m

€642

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 7/9

11:45-23:59

1 stop17h 14m

San Juan Luis Munoz Marin Intl

Sun 13/9

16:06-09:35

1 stop12h 29m

€643

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 €442, 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 February is also very affordable. Most momondo users find prices during this month for around €581.

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

13h 40m

Direct flights

None
The fastest flight from Ireland to San Juan takes 13h 40m
There are no direct flights from Ireland to San Juan. There are no popular flight routes from Ireland to San Juan.
Search flight deals

Frequently asked questions about flying from Ireland to San Juan

  • 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 €441Free CancellationRating
7.1
2,981 reviews
Search JetBlue flights
American AirlinesPriceFrom €617Free CancellationRating
7.1
11,650 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