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Cheap flights from Dublin to San Juan from £403

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to San Juan departing on 23/4. 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
1 adult, Economy, 0 bags
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Find the cheapest flights from Dublin to San Juan

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
10:40 - 02:39
DUB
-
SJU
20h 59m
1 stop
JetBlue Logo
18:45 - 08:20
SJU
-
DUB
32h 35m
1 stop
£403JetBlue
Thu, 23 Apr - Fri, 8 May
JetBlue Logo
10:40 - 02:39
DUB
-
SJU
20h 59m
1 stop
JetBlue Logo
18:45 - 08:20
SJU
-
DUB
32h 35m
1 stop
£419JetBlue
Thu, 23 Apr - Thu, 7 May
JetBlue Logo
10:40 - 22:12
DUB
-
SJU
16h 32m
1 stop
JetBlue Logo
10:00 - 09:00
SJU
-
DUB
18h 00m
1 stop
£472JetBlue
Wed, 22 Apr - Wed, 29 Apr
British Airways Logo
12:40 - 22:05
DUB
-
SJU
14h 25m
1 stop
British Airways Logo
11:43 - 09:40
SJU
-
DUB
16h 57m
2 stops
£530British Airways
Wed, 8 Apr - Fri, 24 Apr
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
£530British Airways
Wed, 8 Apr - Fri, 24 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
£531Finnair
Fri, 10 Apr - Sat, 18 Apr
British Airways Logo
08:35 - 21:24
DUB
-
SJU
17h 49m
2 stops
British Airways Logo
13:25 - 06:30
SJU
-
DUB
12h 05m
1 stop
£542British Airways
Thu, 23 Apr - Fri, 8 May
British Airways Logo
08:35 - 22:05
DUB
-
SJU
18h 30m
2 stops
British Airways Logo
10:03 - 09:40
SJU
-
DUB
18h 37m
2 stops
£547British Airways
Wed, 8 Apr - Fri, 24 Apr
British Airways Logo
08:35 - 22:05
DUB
-
SJU
18h 30m
2 stops
British Airways Logo
11:43 - 09:40
SJU
-
DUB
16h 57m
2 stops
£549British Airways
Wed, 8 Apr - Tue, 21 Apr
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
£554British Airways
Wed, 8 Apr - Fri, 24 Apr

JetBlue flights from Dublin to San Juan

Our best JetBlue deals on Dublin to San Juan flight tickets
JetBlue
23 Apr
DUB10:40Dublin
20h 59m
1 stop
SJU02:39San Juan Luis Munoz Marin Intl
8 May
SJU18:45San Juan Luis Munoz Marin Intl
32h 35m
1 stop
DUB08:20Dublin
£403
JetBlue
23 Apr
DUB10:40Dublin
20h 59m
1 stop
SJU02:39San Juan Luis Munoz Marin Intl
7 May
SJU18:45San Juan Luis Munoz Marin Intl
32h 35m
1 stop
DUB08:20Dublin
£419
JetBlue
22 Apr
DUB10:40Dublin
16h 32m
1 stop
SJU22:12San Juan Luis Munoz Marin Intl
29 Apr
SJU10:00San Juan Luis Munoz Marin Intl
18h 00m
1 stop
DUB09:00Dublin
£472

British Airways flights from Dublin to San Juan

Our best British Airways deals on Dublin to San Juan flight tickets
British Airways
8 Apr
DUB12:40Dublin
14h 25m
1 stop
SJU22:05San Juan Luis Munoz Marin Intl
24 Apr
SJU11:43San Juan Luis Munoz Marin Intl
16h 57m
2 stops
DUB09:40Dublin
£530
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
£530
British Airways
23 Apr
DUB08:35Dublin
17h 49m
2 stops
SJU21:24San Juan Luis Munoz Marin Intl
8 May
SJU13:25San Juan Luis Munoz Marin Intl
12h 05m
1 stop
DUB06:30Dublin
£542

momondo Fare Finder

 
Customise your flight search to find flights from Dublin 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 279,928 searches. Data last updated 12 March 2026.
Use the filters below to find and compare flights from Dublin 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 23/4

10:40-02:39

1 stop20h 59m

San Juan Luis Munoz Marin Intl

Fri 8/5

18:45-08:20

1 stop32h 35m

£403

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 23/4

10:40-02:39

1 stop20h 59m

San Juan Luis Munoz Marin Intl

Thu 7/5

18:45-08:20

1 stop32h 35m

£419

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 22/4

10:40-22:12

1 stop16h 32m

San Juan Luis Munoz Marin Intl

Wed 29/4

10:00-09:00

1 stop18h 00m

£472

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

11:43-09:40

2 stops16h 57m

£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

£530

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 10/4

09:30-23:02

1 stop18h 32m

San Juan Luis Munoz Marin Intl

Sat 18/4

06:45-09:45

1 stop22h 00m

£531
Fastest return journey

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 23/4

08:35-21:24

2 stops17h 49m

San Juan Luis Munoz Marin Intl

Fri 8/5

13:25-06:30

1 stop12h 05m

£542

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 8/4

08:35-22:05

2 stops18h 30m

San Juan Luis Munoz Marin Intl

Fri 24/4

10:03-09:40

2 stops18h 37m

£547

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 8/4

08:35-22:05

2 stops18h 30m

San Juan Luis Munoz Marin Intl

Tue 21/4

11:43-09:40

2 stops16h 57m

£549

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

£554

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 Dublin 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 typical price of a round-trip flight between Dublin and San Juan?

What is the cheapest month to fly to San Juan?

The cheapest month to fly to San Juan from Dublin is in May. Flight prices, which tend to average around £474, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to San Juan from Dublin during June instead. Flights to San Juan in June, while not as cheap as those in May, still average around £484.

Cheap Dublin to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to San Juan

Fastest flight time

21h 16m

Direct flights

None
The fastest flight from Dublin to San Juan takes 21h 16m
There are no direct flights from Dublin to San Juan. There are no popular flight routes from Dublin to San Juan.
Search flight deals

  • How far is Dublin to San Juan by plane?

    Dublin and San Juan are 3964.3 mi apart from one another. In terms of flight time, this usually takes a little over 21h 16m.

  • When did momondo last update prices for flights from Dublin Airport to San Juan?

    Prices for flights from Dublin Airport to San Juan refresh daily.

  • How old do you have to be to fly from Dublin Airport to San Juan?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The required travel and health documents for your San Juan 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Dublin 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 Dublin.

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

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

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

momondo provides multiple filters to help you find the best flight to San Juan from Dublin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to San Juan from Dublin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices 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 7.1 mi from San Juan
San Juan Luis Munoz Marin Intl Airport