Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ireland to San Juan from €335

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 15/4. 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

Discover deals from 900+ travel sites with momondo.

Voted the 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 San Juan

Recent return flight deals from Ireland to San Juan

Enter your travel dates to find the best prices.
JetBlue Logo
10:40 - 22:12
DUB
-
SJU
16h 32m
1 stop
JetBlue Logo
12:50 - 08:20
SJU
-
DUB
14h 30m
1 stop
€434JetBlue
Thu, 30 Apr - Sat, 9 May
JetBlue Logo
11:40 - 21:01
DUB
-
SJU
14h 21m
1 stop
JetBlue Logo
15:00 - 09:00
SJU
-
DUB
13h 00m
1 stop
€456JetBlue
Mon, 11 May - Thu, 14 May
JetBlue Logo
10:40 - 22:12
DUB
-
SJU
16h 32m
1 stop
JetBlue Logo
05:01 - 08:20
SJU
-
DUB
22h 19m
1 stop
€459JetBlue
Thu, 30 Apr - Sat, 9 May
Finnair Logo
09:30 - 23:02
DUB
-
SJU
18h 32m
1 stop
Finnair Logo
06:45 - 09:45
SJU
-
DUB
22h 00m
1 stop
€494Finnair
Mon, 4 May - Mon, 11 May
JetBlue Logo
10:40 - 12:00
DUB
-
SJU
30h 20m
1 stop
JetBlue Logo
06:00 - 08:20
SJU
-
DUB
21h 20m
1 stop
€528JetBlue
Fri, 15 May - Fri, 29 May
Finnair Logo
09:30 - 23:02
DUB
-
SJU
18h 32m
1 stop
Finnair Logo
06:45 - 11:50
SJU
-
DUB
24h 05m
2 stops
€536Finnair
Thu, 30 Apr - Sat, 9 May
Finnair Logo
09:30 - 23:02
DUB
-
SJU
18h 32m
1 stop
Finnair Logo
06:45 - 11:50
SJU
-
DUB
24h 05m
2 stops
€540Finnair
Thu, 30 Apr - Sat, 9 May
Multiple Airlines Logo
11:30 - 23:40
DUB
-
SJU
16h 10m
1 stop
Multiple Airlines Logo
10:20 - 17:00
SJU
-
DUB
26h 40m
2 stops
€541Multiple Airlines
Fri, 27 Feb - Tue, 3 Mar
JetBlue Logo
11:40 - 00:07
DUB
-
SJU
17h 27m
1 stop
JetBlue Logo
13:50 - 09:00
SJU
-
DUB
14h 10m
1 stop
€543JetBlue
Tue, 12 May - Wed, 27 May
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
€558American Airlines
Thu, 26 Feb - Mon, 2 Mar

KLM flights from Ireland to San Juan

Our best KLM deals on Ireland to San Juan flight tickets
KLM
26 Feb
DUB10:45Dublin
17h 11m
1 stop
SJU23:56San Juan Luis Munoz Marin Intl
2 Mar
SJU14:24San Juan Luis Munoz Marin Intl
14h 56m
1 stop
DUB09:20Dublin
€559
KLM
19 Feb
DUB08:50Dublin
19h 06m
2 stops
SJU23:56San Juan Luis Munoz Marin Intl
4 Mar
SJU14:24San Juan Luis Munoz Marin Intl
18h 16m
2 stops
DUB12:40Dublin
€634

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
SJU14:30San Juan Luis Munoz Marin Intl
14h 10m
1 stop
DUB08:40Dublin
€558
American Airlines
19 Feb
DUB11:30Dublin
28h 26m
2 stops
SJU11:56San Juan Luis Munoz Marin Intl
4 Mar
SJU14:30San Juan Luis Munoz Marin Intl
14h 10m
1 stop
DUB08:40Dublin
€559
American Airlines
19 Feb
DUB11:30Dublin
16h 10m
1 stop
SJU23:40San Juan Luis Munoz Marin Intl
4 Mar
SJU10:20San Juan Luis Munoz Marin Intl
18h 20m
1 stop
DUB08:40Dublin
€567

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 February 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

Thu 30/4

10:40-22:12

1 stop16h 32m

San Juan Luis Munoz Marin Intl

Sat 9/5

12:50-08:20

1 stop14h 30m

€434

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 11/5

11:40-21:01

1 stop14h 21m

San Juan Luis Munoz Marin Intl

Thu 14/5

15:00-09:00

1 stop13h 00m

€456

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 30/4

10:40-22:12

1 stop16h 32m

San Juan Luis Munoz Marin Intl

Sat 9/5

05:01-08:20

1 stop22h 19m

€459

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 4/5

09:30-23:02

1 stop18h 32m

San Juan Luis Munoz Marin Intl

Mon 11/5

06:45-09:45

1 stop22h 00m

€494

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 15/5

10:40-12:00

1 stop30h 20m

San Juan Luis Munoz Marin Intl

Fri 29/5

06:00-08:20

1 stop21h 20m

€528

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 30/4

09:30-23:02

1 stop18h 32m

San Juan Luis Munoz Marin Intl

Sat 9/5

06:45-11:50

2 stops24h 05m

€536

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 30/4

09:30-23:02

1 stop18h 32m

San Juan Luis Munoz Marin Intl

Sat 9/5

06:45-11:50

2 stops24h 05m

€540

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 27/2

11:30-23:40

1 stop16h 10m

San Juan Luis Munoz Marin Intl

Tue 3/3

10:20-17:00

2 stops26h 40m

€541

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 12/5

11:40-00:07

1 stop17h 27m

San Juan Luis Munoz Marin Intl

Wed 27/5

13:50-09:00

1 stop14h 10m

€543

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

€558

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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 June. Flight prices, which tend to average around €547, 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 June, then departing from Ireland during the month May is also very affordable. Most momondo users find prices during this month for around €574.

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 21m

Direct flights

None
The fastest flight from Ireland to San Juan takes 14h 21m
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 €525Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
American AirlinesPriceFrom €602Free CancellationRating
7.2
11,277 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 15/3
Sun 22/3
By creating a price alert you accept our terms of use and privacy policy.

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