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Cheap flights from Ireland to San Juan from €384

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 14/5. 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 San Juan

Recent return flight deals from Ireland to San Juan

Enter your travel dates to find the best prices.
JetBlue Logo
10:40 - 00:17
DUB
-
SJU
18h 37m
1 stop
JetBlue Logo
06:30 - 09:00
SJU
-
DUB
21h 30m
1 stop
€486JetBlue
Thu, 21 May - Wed, 3 Jun
JetBlue Logo
11:30 - 00:10
DUB
-
SJU
17h 40m
1 stop
JetBlue Logo
06:30 - 09:00
SJU
-
DUB
21h 30m
1 stop
€487JetBlue
Sat, 16 May - Fri, 29 May
JetBlue Logo
10:40 - 00:19
DUB
-
SJU
18h 39m
1 stop
JetBlue Logo
17:30 - 09:00
SJU
-
DUB
34h 30m
1 stop
€492JetBlue
Fri, 22 May - Thu, 4 Jun
JetBlue Logo
11:30 - 22:53
DUB
-
SJU
16h 23m
1 stop
JetBlue Logo
09:54 - 09:00
SJU
-
DUB
18h 06m
1 stop
€520JetBlue
Mon, 25 May - Wed, 10 Jun
JetBlue Logo
11:30 - 22:31
DUB
-
SJU
16h 01m
1 stop
JetBlue Logo
19:50 - 09:00
SJU
-
DUB
32h 10m
1 stop
€524JetBlue
Thu, 2 Jul - Thu, 9 Jul
JetBlue Logo
11:30 - 00:13
DUB
-
SJU
17h 43m
1 stop
JetBlue Logo
13:12 - 09:00
SJU
-
DUB
14h 48m
1 stop
€534JetBlue
Wed, 17 Jun - Wed, 24 Jun
JetBlue Logo
11:30 - 22:53
DUB
-
SJU
16h 23m
1 stop
JetBlue Logo
09:52 - 09:00
SJU
-
DUB
18h 08m
1 stop
€552JetBlue
Sat, 23 May - Sat, 30 May
JetBlue Logo
11:30 - 22:53
DUB
-
SJU
16h 23m
1 stop
JetBlue Logo
06:30 - 09:00
SJU
-
DUB
21h 30m
1 stop
€557JetBlue
Sat, 23 May - Sat, 30 May
JetBlue Logo
11:30 - 00:13
DUB
-
SJU
17h 43m
1 stop
JetBlue Logo
05:01 - 09:00
SJU
-
DUB
22h 59m
1 stop
€572JetBlue
Wed, 17 Jun - Mon, 22 Jun
JetBlue Logo
11:30 - 21:45
DUB
-
SJU
15h 15m
1 stop
JetBlue Logo
13:12 - 09:00
SJU
-
DUB
14h 48m
1 stop
€584JetBlue
Wed, 17 Jun - Wed, 24 Jun

Delta flights from Ireland to San Juan

Our best Delta deals on Ireland to San Juan flight tickets
Delta
28 May
DUB11:00Dublin
16h 17m
1 stop
SJU22:17San Juan Luis Munoz Marin Intl
6 Jun
SJU13:14San Juan Luis Munoz Marin Intl
15h 46m
2 stops
DUB10:00Dublin
€623
Delta
23 May
DUB10:00Dublin
17h 17m
2 stops
SJU22:17San Juan Luis Munoz Marin Intl
30 May
SJU14:00San Juan Luis Munoz Marin Intl
15h 45m
1 stop
DUB10:45Dublin
€625
Delta
7 Sept
DUB10:00Dublin
17h 23m
2 stops
SJU22:23San Juan Luis Munoz Marin Intl
13 Sept
SJU07:30San Juan Luis Munoz Marin Intl
21h 30m
2 stops
DUB10:00Dublin
€761

JetBlue flights from Ireland to San Juan

Our best JetBlue deals on Ireland to San Juan flight tickets
JetBlue
21 May
DUB10:40Dublin
18h 37m
1 stop
SJU00:17San Juan Luis Munoz Marin Intl
3 Jun
SJU06:30San Juan Luis Munoz Marin Intl
21h 30m
1 stop
DUB09:00Dublin
€486
JetBlue
21 May
DUB10:40Dublin
18h 37m
1 stop
SJU00:17San Juan Luis Munoz Marin Intl
3 Jun
SJU06:30San Juan Luis Munoz Marin Intl
21h 30m
1 stop
DUB09:00Dublin
€487
JetBlue
25 May
DUB11:30Dublin
16h 23m
1 stop
SJU22:53San Juan Luis Munoz Marin Intl
10 Jun
SJU09:54San Juan Luis Munoz Marin Intl
18h 06m
1 stop
DUB09:00Dublin
€519

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 6 May 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

Thu 21/5

10:40-00:17

1 stop18h 37m

San Juan Luis Munoz Marin Intl

Wed 3/6

06:30-09:00

1 stop21h 30m

€486

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 16/5

11:30-00:10

1 stop17h 40m

San Juan Luis Munoz Marin Intl

Fri 29/5

06:30-09:00

1 stop21h 30m

€487

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 22/5

10:40-00:19

1 stop18h 39m

San Juan Luis Munoz Marin Intl

Thu 4/6

17:30-09:00

1 stop34h 30m

€492

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 25/5

11:30-22:53

1 stop16h 23m

San Juan Luis Munoz Marin Intl

Wed 10/6

09:54-09:00

1 stop18h 06m

€520

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 2/7

11:30-22:31

1 stop16h 01m

San Juan Luis Munoz Marin Intl

Thu 9/7

19:50-09:00

1 stop32h 10m

€524

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 17/6

11:30-00:13

1 stop17h 43m

San Juan Luis Munoz Marin Intl

Wed 24/6

13:12-09:00

1 stop14h 48m

€534

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 23/5

11:30-22:53

1 stop16h 23m

San Juan Luis Munoz Marin Intl

Sat 30/5

09:52-09:00

1 stop18h 08m

€552

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 23/5

11:30-22:53

1 stop16h 23m

San Juan Luis Munoz Marin Intl

Sat 30/5

06:30-09:00

1 stop21h 30m

€557

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 17/6

11:30-00:13

1 stop17h 43m

San Juan Luis Munoz Marin Intl

Mon 22/6

05:01-09:00

1 stop22h 59m

€572
Fastest return journey

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 17/6

11:30-21:45

1 stop15h 15m

San Juan Luis Munoz Marin Intl

Wed 24/6

13:12-09:00

1 stop14h 48m

€584

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 €435, 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 October is also very affordable. Most momondo users find prices during this month for around €549.

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 30m

Direct flights

None
The fastest flight from Ireland to San Juan takes 13h 30m
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 €486Free CancellationRating
7.1
2,980 reviews
Search JetBlue flights
American AirlinesPriceFrom €608Free CancellationRating
7.1
11,669 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