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Cheap flights from Ireland to San Juan from £425

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 21/9. 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
10:40 - 21:42
DUB
-
SJU
16h 02m
1 stop
JetBlue Logo
20:06 - 09:00
SJU
-
DUB
31h 54m
1 stop
£514JetBlue
Tue, 12 May - Fri, 22 May
JetBlue Logo
10:40 - 21:42
DUB
-
SJU
16h 02m
1 stop
JetBlue Logo
15:25 - 08:20
SJU
-
DUB
11h 55m
1 stop
£517JetBlue
Wed, 27 May - Tue, 2 Jun
JetBlue Logo
11:30 - 21:04
DUB
-
SJU
14h 34m
1 stop
JetBlue Logo
13:00 - 08:20
SJU
-
DUB
14h 20m
1 stop
£530JetBlue
Thu, 7 May - Mon, 11 May
British Airways Logo
12:40 - 22:05
DUB
-
SJU
14h 25m
1 stop
British Airways Logo
10:03 - 09:40
SJU
-
DUB
18h 37m
2 stops
£575British Airways
Wed, 8 Apr - Fri, 24 Apr
British Airways Logo
12:40 - 22:05
DUB
-
SJU
14h 25m
1 stop
British Airways Logo
15:44 - 19:35
SJU
-
DUB
22h 51m
2 stops
£576British Airways
Mon, 13 Apr - Mon, 20 Apr
Finnair Logo
09:30 - 23:02
DUB
-
SJU
18h 32m
1 stop
Finnair Logo
06:45 - 09:45
SJU
-
DUB
22h 00m
1 stop
£577Finnair
Mon, 13 Apr - Mon, 20 Apr
Multiple Airlines Logo
11:25 - 17:10
DUB
-
SJU
34h 45m
2 stops
Multiple Airlines Logo
20:40 - 14:10
SJU
-
DUB
12h 30m
1 stop
£579Multiple Airlines
Tue, 21 Apr - Tue, 28 Apr
British Airways Logo
19:45 - 23:01
DUB
-
SJU
32h 16m
2 stops
British Airways Logo
13:47 - 06:30
SJU
-
DUB
11h 43m
1 stop
£587British Airways
Wed, 27 May - Mon, 1 Jun
American Airlines Logo
12:40 - 22:05
DUB
-
SJU
14h 25m
1 stop
American Airlines Logo
13:25 - 06:30
SJU
-
DUB
12h 05m
1 stop
£590American Airlines
Tue, 21 Apr - Tue, 28 Apr
British Airways Logo
08:35 - 21:24
DUB
-
SJU
17h 49m
2 stops
British Airways Logo
11:43 - 09:40
SJU
-
DUB
16h 57m
2 stops
£593British Airways
Thu, 23 Apr - Wed, 6 May

JetBlue flights from Ireland to San Juan Luis Munoz Marin Intl Airport

Our best JetBlue deals on Ireland to San Juan Luis Munoz Marin Intl Airport flight tickets
JetBlue
12 May
DUB10:40Dublin
16h 02m
1 stop
SJU21:42San Juan Luis Munoz Marin Intl
22 May
SJU20:06San Juan Luis Munoz Marin Intl
31h 54m
1 stop
DUB09:00Dublin
£514
JetBlue
27 May
DUB10:40Dublin
16h 02m
1 stop
SJU21:42San Juan Luis Munoz Marin Intl
2 Jun
SJU15:25San Juan Luis Munoz Marin Intl
11h 55m
1 stop
DUB08:20Dublin
£517
JetBlue
7 May
DUB11:30Dublin
14h 34m
1 stop
SJU21:04San Juan Luis Munoz Marin Intl
11 May
SJU13:00San Juan Luis Munoz Marin Intl
14h 20m
1 stop
DUB08:20Dublin
£530

British Airways flights from Ireland to San Juan Luis Munoz Marin Intl Airport

Our best British Airways deals on Ireland to San Juan Luis Munoz Marin Intl Airport flight tickets
British Airways
8 Apr
DUB12:40Dublin
14h 25m
1 stop
SJU22:05San Juan Luis Munoz Marin Intl
24 Apr
SJU10:03San Juan Luis Munoz Marin Intl
18h 37m
2 stops
DUB09:40Dublin
£575
British Airways
13 Apr
DUB12:40Dublin
14h 25m
1 stop
SJU22:05San Juan Luis Munoz Marin Intl
20 Apr
SJU15:44San Juan Luis Munoz Marin Intl
22h 51m
2 stops
DUB19:35Dublin
£576
British Airways
27 May
DUB19:45Dublin
32h 16m
2 stops
SJU23:01San Juan Luis Munoz Marin Intl
1 Jun
SJU13:47San Juan Luis Munoz Marin Intl
11h 43m
1 stop
DUB06:30Dublin
£587

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to San Juan Luis Munoz Marin Intl Airport 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 279,928 searches. Data last updated 26 March 2026.
Use the filters below to find and compare flights from Ireland to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 12/5

10:40-21:42

1 stop16h 02m

San Juan Luis Munoz Marin Intl

Fri 22/5

20:06-09:00

1 stop31h 54m

£514

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 27/5

10:40-21:42

1 stop16h 02m

San Juan Luis Munoz Marin Intl

Tue 2/6

15:25-08:20

1 stop11h 55m

£517

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 7/5

11:30-21:04

1 stop14h 34m

San Juan Luis Munoz Marin Intl

Mon 11/5

13:00-08:20

1 stop14h 20m

£530

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 8/4

12:40-22:05

1 stop14h 25m

San Juan Luis Munoz Marin Intl

Fri 24/4

10:03-09:40

2 stops18h 37m

£575

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 13/4

12:40-22:05

1 stop14h 25m

San Juan Luis Munoz Marin Intl

Mon 20/4

15:44-19:35

2 stops22h 51m

£576

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 13/4

09:30-23:02

1 stop18h 32m

San Juan Luis Munoz Marin Intl

Mon 20/4

06:45-09:45

1 stop22h 00m

£577

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 21/4

11:25-17:10

2 stops34h 45m

San Juan Luis Munoz Marin Intl

Tue 28/4

20:40-14:10

1 stop12h 30m

£579

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 27/5

19:45-23:01

2 stops32h 16m

San Juan Luis Munoz Marin Intl

Mon 1/6

13:47-06:30

1 stop11h 43m

£587
Fastest return journey

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 21/4

12:40-22:05

1 stop14h 25m

San Juan Luis Munoz Marin Intl

Tue 28/4

13:25-06:30

1 stop12h 05m

£590

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 23/4

08:35-21:24

2 stops17h 49m

San Juan Luis Munoz Marin Intl

Wed 6/5

11:43-09:40

2 stops16h 57m

£593

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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 Luis Munoz Marin Intl Airport

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 Luis Munoz Marin Intl Airport?

If you aren’t able to travel during the month of May, then book flights to San Juan Luis Munoz Marin Intl Airport from Ireland during June instead. Flights to San Juan Luis Munoz Marin Intl Airport in June, while not as cheap as those in May, still average around £487.

Cheap Ireland to San Juan Luis Munoz Marin Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

21h 16m

Direct flights

None
The fastest flight from Ireland to San Juan Luis Munoz Marin Intl Airport takes 21h 16m
There are no direct flights from Ireland to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Ireland to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

  • When did momondo last update prices for flights from Ireland to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Ireland to San Juan Luis Munoz Marin Intl Airport are updated daily.

  • How old do you have to be to fly from Ireland to San Juan Luis Munoz Marin Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Rio Grande
Carolina
Fajardo
Dorado
Luquillo

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Juan from Ireland.

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

Yes. momondo allows you to filter the results for Ireland to San Juan flights to just show those with flexible booking policies.

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

Once all potential Ireland to San Juan flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Ireland to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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