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Cheap flights from Dublin to San Juan from £437

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin 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
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
11:30 - 22:42
DUB
-
SJU
16h 12m
1 stop
JetBlue Logo
10:30 - 09:00
SJU
-
DUB
17h 30m
1 stop
£469JetBlue
Mon, 5 Oct - Sat, 17 Oct
JetBlue Logo
11:30 - 13:39
DUB
-
SJU
31h 09m
1 stop
JetBlue Logo
05:01 - 08:20
SJU
-
DUB
22h 19m
1 stop
£477JetBlue
Sat, 16 May - Mon, 1 Jun
JetBlue Logo
11:30 - 20:55
DUB
-
SJU
14h 25m
1 stop
JetBlue Logo
03:30 - 09:00
SJU
-
DUB
24h 30m
1 stop
£480JetBlue
Mon, 18 May - Tue, 2 Jun
JetBlue Logo
11:30 - 23:49
DUB
-
SJU
17h 19m
1 stop
JetBlue Logo
10:30 - 09:00
SJU
-
DUB
17h 30m
1 stop
£483JetBlue
Sat, 17 Oct - Fri, 23 Oct
JetBlue Logo
10:40 - 21:42
DUB
-
SJU
16h 02m
1 stop
JetBlue Logo
14:11 - 09:00
SJU
-
DUB
13h 49m
1 stop
£507JetBlue
Thu, 21 May - Thu, 4 Jun
JetBlue Logo
11:30 - 22:53
DUB
-
SJU
16h 23m
1 stop
JetBlue Logo
13:12 - 09:00
SJU
-
DUB
14h 48m
1 stop
£548JetBlue
Tue, 9 Jun - Tue, 16 Jun
British Airways Logo
10:30 - 23:01
DUB
-
SJU
17h 31m
2 stops
British Airways Logo
11:55 - 09:40
SJU
-
DUB
16h 45m
2 stops
£557British Airways
Tue, 9 Jun - Tue, 16 Jun
Multiple Airlines Logo
09:50 - 19:05
DUB
-
SJU
14h 15m
1 stop
Multiple Airlines Logo
11:55 - 09:40
SJU
-
DUB
16h 45m
2 stops
£565Multiple Airlines
Thu, 21 May - Thu, 4 Jun
Multiple Airlines Logo
09:50 - 19:05
DUB
-
SJU
14h 15m
1 stop
Multiple Airlines Logo
13:47 - 12:05
SJU
-
DUB
17h 18m
2 stops
£568Multiple Airlines
Mon, 18 May - Wed, 3 Jun
British Airways Logo
13:45 - 23:01
DUB
-
SJU
14h 16m
1 stop
British Airways Logo
11:55 - 09:40
SJU
-
DUB
16h 45m
2 stops
£578British Airways
Tue, 9 Jun - Tue, 16 Jun

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British Airways flights from Dublin to San Juan

Our best British Airways deals on Dublin to San Juan flight tickets
British Airways
9 Jun
DUB10:30Dublin
17h 31m
2 stops
SJU23:01San Juan Luis Munoz Marin Intl
16 Jun
SJU11:55San Juan Luis Munoz Marin Intl
16h 45m
2 stops
DUB09:40Dublin
£557
British Airways
13 May
DUB13:45Dublin
13h 20m
1 stop
SJU22:05San Juan Luis Munoz Marin Intl
17 May
SJU11:43San Juan Luis Munoz Marin Intl
16h 57m
2 stops
DUB09:40Dublin
£574
British Airways
9 Jun
DUB13:45Dublin
14h 16m
1 stop
SJU23:01San Juan Luis Munoz Marin Intl
16 Jun
SJU11:55San Juan Luis Munoz Marin Intl
16h 45m
2 stops
DUB09:40Dublin
£578

United Airlines flights from Dublin to San Juan

Our best United Airlines deals on Dublin to San Juan flight tickets
United Airlines
10 Jun
DUB08:50Dublin
17h 34m
1 stop
SJU21:24San Juan Luis Munoz Marin Intl
17 Jun
SJU18:45San Juan Luis Munoz Marin Intl
31h 45m
1 stop
DUB07:30Dublin
£896
United Airlines
5 May
DUB09:50Dublin
16h 34m
2 stops
SJU21:24San Juan Luis Munoz Marin Intl
8 May
SJU13:25San Juan Luis Munoz Marin Intl
16h 15m
2 stops
DUB10:40Dublin
£929
United Airlines
10 Jun
DUB08:50Dublin
20h 00m
2 stops
SJU23:50San Juan Luis Munoz Marin Intl
17 Jun
SJU07:40San Juan Luis Munoz Marin Intl
18h 50m
2 stops
DUB07:30Dublin
£1,218

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 27 April 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

Mon 5/10

11:30-22:42

1 stop16h 12m

San Juan Luis Munoz Marin Intl

Sat 17/10

10:30-09:00

1 stop17h 30m

£469

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 16/5

11:30-13:39

1 stop31h 09m

San Juan Luis Munoz Marin Intl

Mon 1/6

05:01-08:20

1 stop22h 19m

£477

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 18/5

11:30-20:55

1 stop14h 25m

San Juan Luis Munoz Marin Intl

Tue 2/6

03:30-09:00

1 stop24h 30m

£480

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 17/10

11:30-23:49

1 stop17h 19m

San Juan Luis Munoz Marin Intl

Fri 23/10

10:30-09:00

1 stop17h 30m

£483
Fastest return journey

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 21/5

10:40-21:42

1 stop16h 02m

San Juan Luis Munoz Marin Intl

Thu 4/6

14:11-09:00

1 stop13h 49m

£507

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 9/6

11:30-22:53

1 stop16h 23m

San Juan Luis Munoz Marin Intl

Tue 16/6

13:12-09:00

1 stop14h 48m

£548

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 9/6

10:30-23:01

2 stops17h 31m

San Juan Luis Munoz Marin Intl

Tue 16/6

11:55-09:40

2 stops16h 45m

£557

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 21/5

09:50-19:05

1 stop14h 15m

San Juan Luis Munoz Marin Intl

Thu 4/6

11:55-09:40

2 stops16h 45m

£565

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 18/5

09:50-19:05

1 stop14h 15m

San Juan Luis Munoz Marin Intl

Wed 3/6

13:47-12:05

2 stops17h 18m

£568

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 9/6

13:45-23:01

1 stop14h 16m

San Juan Luis Munoz Marin Intl

Tue 16/6

11:55-09:40

2 stops16h 45m

£578

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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 £378, 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 October instead. Flights to San Juan in October, while not as cheap as those in May, still average around £477.

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.
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Frequently asked questions about flying from Dublin to San Juan

  • 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 many operators does momondo search for flights from Dublin Airport to San Juan?

  • 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.

Best airlines flying from Dublin to San Juan

Compare and see reviews for airlines that fly from Dublin to San Juan with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom £574Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights

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