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Cheap flights from Dublin to San Juan from €345

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 19/11. 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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Find the cheapest flights from Dublin to San Juan

Cheap return flights

JetBlue Logo
10:40 - 12:17DUB-SJU
30h 37m1 stop
JetBlue Logo
14:25 - 08:20SJU-DUB
12h 55m1 stop
€522JetBlue
Find Deal
Tue, 23 Sep - Tue, 30 Sep
JetBlue Logo
11:30 - 00:57DUB-SJU
18h 27m1 stop
JetBlue Logo
03:03 - 08:20SJU-DUB
24h 17m1 stop
€525JetBlue
Find Deal
Mon, 6 Oct - Sun, 12 Oct
Logo
11:30 - 23:05DUB-SJU
15h 35m1 stop
Logo
18:42 - 17:40SJU-DUB
18h 58m2 stops
€606
Find Deal
Sat, 1 Nov - Sat, 15 Nov
Delta Logo
08:50 - 12:58DUB-SJU
32h 08m2 stops
Delta Logo
18:20 - 15:45SJU-DUB
17h 25m2 stops
€613Delta
Find Deal
Fri, 5 Dec - Mon, 8 Dec
American Airlines Logo
11:30 - 13:20DUB-SJU
29h 50m1 stop
American Airlines Logo
05:50 - 08:40SJU-DUB
22h 50m2 stops
€614American Airlines
Find Deal
Fri, 5 Dec - Mon, 8 Dec
American Airlines Logo
11:30 - 13:20DUB-SJU
29h 50m1 stop
American Airlines Logo
05:50 - 08:40SJU-DUB
22h 50m2 stops
€616American Airlines
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Delta Logo
08:50 - 23:50DUB-SJU
19h 00m2 stops
Delta Logo
14:26 - 15:45SJU-DUB
21h 19m2 stops
€618Delta
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Logo
09:30 - 21:14DUB-SJU
16h 44m2 stops
Logo
17:00 - 14:40SJU-DUB
16h 40m2 stops
€628
Find Deal
Mon, 6 Oct - Mon, 13 Oct
United Airlines Logo
13:35 - 23:57DUB-SJU
15h 22m1 stop
United Airlines Logo
01:05 - 07:20SJU-DUB
25h 15m1 stop
€642United Airlines
Find Deal
Tue, 23 Sep - Mon, 29 Sep
United Airlines Logo
09:20 - 23:57DUB-SJU
19h 37m1 stop
United Airlines Logo
01:05 - 07:20SJU-DUB
25h 15m1 stop
€687United Airlines
Find Deal
Sun, 21 Sep - Sat, 27 Sep

JetBlue flights from Dublin to San Juan

Our best JetBlue deals on Dublin to San Juan flight tickets
JetBlue
23 Sept
DUB10:40Dublin
30h 37m
1 stop
SJU12:17San Juan Luis Munoz Marin Intl
30 Sept
SJU14:25San Juan Luis Munoz Marin Intl
12h 55m
1 stop
DUB08:20Dublin
€522
Find similar
JetBlue
6 Oct
DUB11:30Dublin
18h 27m
1 stop
SJU00:57San Juan Luis Munoz Marin Intl
12 Oct
SJU03:03San Juan Luis Munoz Marin Intl
24h 17m
1 stop
DUB08:20Dublin
€525
Find similar
JetBlue
15 Sept
DUB11:30Dublin
30h 12m
1 stop
SJU12:42San Juan Luis Munoz Marin Intl
28 Sept
SJU13:00San Juan Luis Munoz Marin Intl
15h 00m
1 stop
DUB09:00Dublin
€531
Find similar

Delta flights from Dublin to San Juan

Our best Delta deals on Dublin to San Juan flight tickets
Delta
5 Dec
DUB08:50Dublin
32h 08m
2 stops
SJU12:58San Juan Luis Munoz Marin Intl
8 Dec
SJU18:20San Juan Luis Munoz Marin Intl
17h 25m
2 stops
DUB15:45Dublin
€613
Find similar
Delta
5 Dec
DUB08:50Dublin
19h 00m
2 stops
SJU23:50San Juan Luis Munoz Marin Intl
8 Dec
SJU14:26San Juan Luis Munoz Marin Intl
21h 19m
2 stops
DUB15:45Dublin
€618
Find similar
Delta
23 Sept
DUB05:55Dublin
22h 52m
2 stops
SJU23:47San Juan Luis Munoz Marin Intl
30 Sept
SJU07:30San Juan Luis Munoz Marin Intl
20h 45m
2 stops
DUB09:15Dublin
€641
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 13,528 searches. Data last updated 25 August 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

Tue 23/9

10:40-12:17

1 stop30h 37m

San Juan Luis Munoz Marin Intl

Tue 30/9

14:25-08:20

1 stop12h 55m

€522

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 6/10

11:30-00:57

1 stop18h 27m

San Juan Luis Munoz Marin Intl

Sun 12/10

03:03-08:20

1 stop24h 17m

€525

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 1/11

11:30-23:05

1 stop15h 35m

San Juan Luis Munoz Marin Intl

Sat 15/11

18:42-17:40

2 stops18h 58m

€606

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/12

08:50-12:58

2 stops32h 08m

San Juan Luis Munoz Marin Intl

Mon 8/12

18:20-15:45

2 stops17h 25m

€613

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/12

11:30-13:20

1 stop29h 50m

San Juan Luis Munoz Marin Intl

Mon 8/12

05:50-08:40

2 stops22h 50m

€614

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/12

11:30-13:20

1 stop29h 50m

San Juan Luis Munoz Marin Intl

Mon 8/12

05:50-08:40

2 stops22h 50m

€616

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/12

08:50-23:50

2 stops19h 00m

San Juan Luis Munoz Marin Intl

Mon 8/12

14:26-15:45

2 stops21h 19m

€618

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 6/10

09:30-21:14

2 stops16h 44m

San Juan Luis Munoz Marin Intl

Mon 13/10

17:00-14:40

2 stops16h 40m

€628

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 23/9

13:35-23:57

1 stop15h 22m

San Juan Luis Munoz Marin Intl

Mon 29/9

01:05-07:20

1 stop25h 15m

€642

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sun 21/9

09:20-23:57

1 stop19h 37m

San Juan Luis Munoz Marin Intl

Sat 27/9

01:05-07:20

1 stop25h 15m

€687

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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 June. Flight prices, which tend to average around €554, are often lower during this time because this is during the off-season. If you are unable to visit San Juan during the month of June, then departing from Dublin during the month May is also very affordable. Most momondo users find prices during this month for around €560.

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

On average, the least expensive day to fly to San Juan from Dublin is on a Monday. momondo users have found tickets for Monday departures for as low as €711. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €889. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Juan.

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

According to our data, the cheapest time of day to fly to San Juan is in the morning. momondo users have found flights departing from Dublin to San Juan in the morning for as low as €821. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At midday is when there is more demand to fly to San Juan, so prices are often more expensive at around €904 per ticket.

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

Direct flights

None
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 6379.8 km apart from one another. Flights usually cover this in 13h 30m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Dublin Airport to San Juan are refreshed on a daily basis.

  • 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 stopovers. 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 travel and health documents you'll need for your trip to San Juan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at San Juan. It is always advisable to seek advice from your airline or a trusted 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
JetBluePriceFrom €531Free CancellationRating
7.2
2,919 reviews
Search JetBlue 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 enables you to select and highlight flights to San Juan from Dublin with this policy.

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

momondo helps you find the best flight between Dublin and San Juan by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to San Juan, momondo offers a useful price alert feature which will track prices for flights to San Juan from Dublin and alert you when they 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 11.5 km from San Juan
San Juan Luis Munoz Marin Intl Airport