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Cheap flights from Dublin to San Juan from £377

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 26/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

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American Airlines Logo
11:30 - 22:40DUB-SJU
15h 10m1 stop
American Airlines Logo
13:45 - 06:30SJU-DUB
11h 45m1 stop
£377American Airlines
Find Deal
Thu, 26 Mar - Thu, 9 Apr
American Airlines Logo
12:40 - 10:56DUB-SJU
27h 16m2 stops
American Airlines Logo
11:45 - 09:50SJU-DUB
17h 05m2 stops
£485American Airlines
Find Deal
Sun, 29 Mar - Tue, 7 Apr
American Airlines Logo
12:40 - 09:00DUB-SJU
25h 20m2 stops
American Airlines Logo
11:45 - 09:50SJU-DUB
17h 05m2 stops
£488American Airlines
Find Deal
Mon, 30 Mar - Tue, 7 Apr
American Airlines Logo
12:40 - 20:49DUB-SJU
13h 09m1 stop
American Airlines Logo
01:30 - 09:45SJU-DUB
27h 15m1 stop
£499American Airlines
Find Deal
Sun, 29 Mar - Fri, 3 Apr
Multiple Airlines Logo
11:30 - 10:48DUB-SJU
27h 18m2 stops
Multiple Airlines Logo
11:38 - 08:40SJU-DUB
17h 02m2 stops
£500Multiple Airlines
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Thu, 15 Jan - Thu, 22 Jan
Multiple Airlines Logo
09:30 - 20:34DUB-SJU
16h 04m2 stops
Multiple Airlines Logo
06:59 - 09:45SJU-DUB
21h 46m1 stop
£502Multiple Airlines
Find Deal
Mon, 30 Mar - Wed, 8 Apr
Multiple Airlines Logo
09:30 - 19:55DUB-SJU
15h 25m2 stops
Multiple Airlines Logo
06:59 - 09:45SJU-DUB
21h 46m1 stop
£503Multiple Airlines
Find Deal
Wed, 8 Apr - Fri, 24 Apr
United Airlines Logo
12:05 - 21:22DUB-SJU
13h 17m1 stop
United Airlines Logo
13:25 - 07:30SJU-DUB
13h 05m1 stop
£543United Airlines
Find Deal
Wed, 25 Mar - Thu, 9 Apr
United Airlines Logo
12:05 - 21:22DUB-SJU
13h 17m1 stop
United Airlines Logo
16:55 - 10:40SJU-DUB
12h 45m1 stop
£569United Airlines
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Wed, 25 Mar - Fri, 10 Apr
Delta Logo
11:10 - 12:07DUB-SJU
29h 57m2 stops
Delta Logo
15:11 - 10:45SJU-DUB
14h 34m1 stop
£583Delta
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Wed, 1 Apr - Sat, 11 Apr

Delta flights from Dublin to San Juan

Our best Delta deals on Dublin to San Juan flight tickets
Delta
6 Dec
DUB10:45Dublin
17h 14m
1 stop
SJU23:59San Juan Luis Munoz Marin Intl
10 Dec
SJU14:08San Juan Luis Munoz Marin Intl
14h 37m
1 stop
DUB08:45Dublin
£582
Find similar
Delta
1 Apr
DUB11:10Dublin
29h 57m
2 stops
SJU12:07San Juan Luis Munoz Marin Intl
11 Apr
SJU15:11San Juan Luis Munoz Marin Intl
14h 34m
1 stop
DUB10:45Dublin
£583
Find similar
Delta
31 Mar
DUB11:10Dublin
29h 57m
2 stops
SJU12:07San Juan Luis Munoz Marin Intl
11 Apr
SJU15:11San Juan Luis Munoz Marin Intl
14h 34m
1 stop
DUB10:45Dublin
£584
Find similar

American Airlines flights from Dublin to San Juan

Our best American Airlines deals on Dublin to San Juan flight tickets
American Airlines
29 Mar
DUB12:40Dublin
13h 09m
1 stop
SJU20:49San Juan Luis Munoz Marin Intl
7 Apr
SJU11:45San Juan Luis Munoz Marin Intl
17h 05m
2 stops
DUB09:50Dublin
£485
Find similar
American Airlines
30 Mar
DUB12:40Dublin
25h 20m
2 stops
SJU09:00San Juan Luis Munoz Marin Intl
7 Apr
SJU11:45San Juan Luis Munoz Marin Intl
17h 05m
2 stops
DUB09:50Dublin
£488
Find similar
American Airlines
29 Mar
DUB12:40Dublin
13h 09m
1 stop
SJU20:49San Juan Luis Munoz Marin Intl
3 Apr
SJU01:30San Juan Luis Munoz Marin Intl
27h 15m
1 stop
DUB09:45Dublin
£499
Find similar

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 2 December 2025.
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

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 26/3

11:30-22:40

1 stop15h 10m

San Juan Luis Munoz Marin Intl

Thu 9/4

13:45-06:30

1 stop11h 45m

£377

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sun 29/3

12:40-10:56

2 stops27h 16m

San Juan Luis Munoz Marin Intl

Tue 7/4

11:45-09:50

2 stops17h 05m

£485

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 30/3

12:40-09:00

2 stops25h 20m

San Juan Luis Munoz Marin Intl

Tue 7/4

11:45-09:50

2 stops17h 05m

£488

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sun 29/3

12:40-20:49

1 stop13h 09m

San Juan Luis Munoz Marin Intl

Fri 3/4

01:30-09:45

1 stop27h 15m

£499

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 15/1

11:30-10:48

2 stops27h 18m

San Juan Luis Munoz Marin Intl

Thu 22/1

11:38-08:40

2 stops17h 02m

£500

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 30/3

09:30-20:34

2 stops16h 04m

San Juan Luis Munoz Marin Intl

Wed 8/4

06:59-09:45

1 stop21h 46m

£502

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 8/4

09:30-19:55

2 stops15h 25m

San Juan Luis Munoz Marin Intl

Fri 24/4

06:59-09:45

1 stop21h 46m

£503

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 25/3

12:05-21:22

1 stop13h 17m

San Juan Luis Munoz Marin Intl

Thu 9/4

13:25-07:30

1 stop13h 05m

£543

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 25/3

12:05-21:22

1 stop13h 17m

San Juan Luis Munoz Marin Intl

Fri 10/4

16:55-10:40

1 stop12h 45m

£569

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 1/4

11:10-12:07

2 stops29h 57m

San Juan Luis Munoz Marin Intl

Sat 11/4

15:11-10:45

1 stop14h 34m

£583

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 £447, 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 £491.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart on your flight to San Juan is on a Saturday when prices can be found for as low as £608. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to San Juan is Monday, with ticket prices averaging around £800.

What is the cheapest time of day to depart on your flight to San Juan?

In the morning is the cheapest time of day to fly from Dublin to San Juan when you can find flight prices for as low as £696. Flying to San Juan in the morning is an ideal time because this is during off-peak travel hours. Flights at midday are often more expensive, with an average ticket price of £736.

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

16h 04m

Direct flights

None
The fastest flight from Dublin to San Juan takes 16h 04m
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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  • 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 13h 09m.

  • 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