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Cheap flights from Dublin to San Juan from £477

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 12/10. 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

Discover deals from 900+ travel sites with momondo.

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 - 23:54DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
18h 14m1 stop Boston Logan Intl
JetBlue Logo
13:50 - 08:20SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
13h 30m1 stop Boston Logan Intl
£507JetBlue
Tue, 1 Sep - Tue, 8 Sep
JetBlue Logo
11:30 - 21:40DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
15h 10m1 stop New York John F Kennedy Intl
JetBlue Logo
13:50 - 08:20SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
13h 30m1 stop Boston Logan Intl
£544JetBlue
Tue, 1 Sep - Mon, 7 Sep
Multiple Airlines Logo
09:50 - 18:50DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
14h 00m1 stop Madrid Barajas
Multiple Airlines Logo
14:58 - 12:55SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
16h 57m2 stops Miami London Heathrow
£547Multiple Airlines
Thu, 27 Aug - Wed, 9 Sep
Multiple Airlines Logo
09:50 - 18:50DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
14h 00m1 stop Madrid Barajas
Multiple Airlines Logo
14:58 - 12:55SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
16h 57m2 stops Miami London Heathrow
£547Multiple Airlines
Thu, 27 Aug - Wed, 9 Sep
Multiple Airlines Logo
09:50 - 18:30DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
13h 40m1 stop Madrid Barajas
Multiple Airlines Logo
10:33 - 09:40SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
18h 07m2 stops Miami London Heathrow
£547Multiple Airlines
Tue, 1 Sep - Mon, 7 Sep
Multiple Airlines Logo
09:50 - 18:30DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
13h 40m1 stop Madrid Barajas
Multiple Airlines Logo
11:51 - 09:40SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
16h 49m2 stops Miami London Heathrow
£549Multiple Airlines
Tue, 8 Sep - Wed, 16 Sep
British Airways Logo
13:45 - 22:24DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
13h 39m1 stop Philadelphia
British Airways Logo
14:58 - 12:55SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
16h 57m2 stops Miami London Heathrow
£554British Airways
Thu, 27 Aug - Wed, 9 Sep
British Airways Logo
13:45 - 22:24DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
13h 39m1 stop Philadelphia
British Airways Logo
14:58 - 12:55SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
16h 57m2 stops Miami London Heathrow
£555British Airways
Thu, 27 Aug - Wed, 9 Sep
American Airlines Logo
09:30 - 22:24DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
17h 54m2 stops Chicago O'Hare Intl Philadelphia
American Airlines Logo
11:51 - 09:35SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
16h 44m2 stops Miami Charlotte Douglas
£576American Airlines
Tue, 8 Sep - Fri, 25 Sep
American Airlines Logo
15:50 - 05:04DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
17h 14m1 stop Chicago O'Hare Intl
American Airlines Logo
14:52 - 08:30SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
13h 38m2 stops Miami Philadelphia
£2,327American Airlines
Wed, 23 Dec - Wed, 6 Jan

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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
27 Aug
DUB13:45Dublin
13h 39m
1 stop
SJU22:24San Juan Luis Munoz Marin Intl
9 Sept
SJU14:58San Juan Luis Munoz Marin Intl
16h 57m
2 stops
DUB12:55Dublin
£554
British Airways
27 Aug
DUB13:45Dublin
13h 39m
1 stop
SJU22:24San Juan Luis Munoz Marin Intl
9 Sept
SJU14:58San Juan Luis Munoz Marin Intl
16h 57m
2 stops
DUB12:55Dublin
£555
British Airways
8 Sept
DUB08:35Dublin
18h 20m
2 stops
SJU21:55San Juan Luis Munoz Marin Intl
25 Sept
SJU14:22San Juan Luis Munoz Marin Intl
35h 08m
1 stop
DUB06:30Dublin
£564

American Airlines flights from Dublin to San Juan

Our best American Airlines deals on Dublin to San Juan flight tickets
American Airlines
8 Sept
DUB09:30Dublin
17h 54m
2 stops
SJU22:24San Juan Luis Munoz Marin Intl
25 Sept
SJU11:51San Juan Luis Munoz Marin Intl
16h 44m
2 stops
DUB09:35Dublin
£576
American Airlines
9 Aug
DUB11:45Dublin
26h 58m
2 stops
SJU09:43San Juan Luis Munoz Marin Intl
24 Aug
SJU06:00San Juan Luis Munoz Marin Intl
19h 30m
2 stops
DUB06:30Dublin
£713
American Airlines
9 Aug
DUB11:45Dublin
32h 06m
1 stop
SJU14:51San Juan Luis Munoz Marin Intl
23 Aug
SJU15:44San Juan Luis Munoz Marin Intl
37h 01m
1 stop
DUB09:45Dublin
£739

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 6 August 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 Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Tue 1/9

10:40-23:54

1 stop18h 14m

San Juan Luis Munoz Marin Intl

Tue 8/9

13:50-08:20

1 stop13h 30m

£507
Fastest return journey

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Tue 1/9

11:30-21:40

1 stop15h 10m

San Juan Luis Munoz Marin Intl

Mon 7/9

13:50-08:20

1 stop13h 30m

£544

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Thu 27/8

09:50-18:50

1 stop14h 00m

San Juan Luis Munoz Marin Intl

Wed 9/9

14:58-12:55

2 stops16h 57m

£547

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Thu 27/8

09:50-18:50

1 stop14h 00m

San Juan Luis Munoz Marin Intl

Wed 9/9

14:58-12:55

2 stops16h 57m

£547

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Tue 1/9

09:50-18:30

1 stop13h 40m

San Juan Luis Munoz Marin Intl

Mon 7/9

10:33-09:40

2 stops18h 07m

£547

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Tue 8/9

09:50-18:30

1 stop13h 40m

San Juan Luis Munoz Marin Intl

Wed 16/9

11:51-09:40

2 stops16h 49m

£549

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Thu 27/8

13:45-22:24

1 stop13h 39m

San Juan Luis Munoz Marin Intl

Wed 9/9

14:58-12:55

2 stops16h 57m

£554

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Thu 27/8

13:45-22:24

1 stop13h 39m

San Juan Luis Munoz Marin Intl

Wed 9/9

14:58-12:55

2 stops16h 57m

£555

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Tue 8/9

09:30-22:24

2 stops17h 54m

San Juan Luis Munoz Marin Intl

Fri 25/9

11:51-09:35

2 stops16h 44m

£576

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Wed 23/12

15:50-05:04

1 stop17h 14m

San Juan Luis Munoz Marin Intl

Wed 6/1

14:52-08:30

2 stops13h 38m

£2,327

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 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 £473, 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 £543.

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

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 £577Free CancellationRating
7.1
11,852 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