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Cheap flights from Dublin to San Juan from €381

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 23/2. 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

Multiple Airlines Logo
12:55 - 21:35DUB-SJU
36h 40m1 stop
Multiple Airlines Logo
18:42 - 17:00SJU-DUB
18h 18m2 stops
€539Multiple Airlines
Find Deal
Sun, 2 Nov - Tue, 18 Nov
British Airways Logo
08:50 - 23:40DUB-SJU
18h 50m2 stops
British Airways Logo
12:50 - 09:50SJU-DUB
17h 00m2 stops
€550British Airways
Find Deal
Mon, 12 Jan - Thu, 5 Feb
British Airways Logo
11:30 - 23:40DUB-SJU
16h 10m1 stop
British Airways Logo
12:50 - 09:50SJU-DUB
17h 00m2 stops
€551British Airways
Find Deal
Mon, 12 Jan - Thu, 5 Feb
American Airlines Logo
11:30 - 23:59DUB-SJU
16h 29m1 stop
American Airlines Logo
18:42 - 15:05SJU-DUB
16h 23m2 stops
€558American Airlines
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Fri, 31 Oct - Fri, 7 Nov
American Airlines Logo
08:50 - 23:53DUB-SJU
19h 03m2 stops
American Airlines Logo
08:20 - 08:40SJU-DUB
20h 20m2 stops
€563American Airlines
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Delta Logo
05:55 - 00:03DUB-SJU
22h 08m2 stops
Delta Logo
07:00 - 07:45SJU-DUB
20h 45m1 stop
€618Delta
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Delta Logo
10:45 - 00:03DUB-SJU
17h 18m1 stop
Delta Logo
13:57 - 07:45SJU-DUB
13h 48m1 stop
€625Delta
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Air France Logo
08:45 - 00:03DUB-SJU
19h 18m2 stops
Air France Logo
14:10 - 15:45SJU-DUB
21h 35m2 stops
€668Air France
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Fri, 5 Dec - Mon, 8 Dec
United Airlines Logo
09:00 - 15:40DUB-SJU
34h 40m2 stops
United Airlines Logo
02:05 - 08:10SJU-DUB
26h 05m2 stops
€722United Airlines
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Fri, 14 Nov - Fri, 21 Nov
United Airlines Logo
09:00 - 15:40DUB-SJU
34h 40m2 stops
United Airlines Logo
02:05 - 07:30SJU-DUB
25h 25m1 stop
€724United Airlines
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Fri, 14 Nov - Sat, 22 Nov

British Airways flights from Dublin to San Juan

Our best British Airways deals on Dublin to San Juan flight tickets
British Airways
12 Jan
DUB08:50Dublin
18h 50m
2 stops
SJU23:40San Juan Luis Munoz Marin Intl
5 Feb
SJU12:50San Juan Luis Munoz Marin Intl
17h 00m
2 stops
DUB09:50Dublin
€550
Find similar
British Airways
12 Jan
DUB11:30Dublin
16h 10m
1 stop
SJU23:40San Juan Luis Munoz Marin Intl
5 Feb
SJU12:50San Juan Luis Munoz Marin Intl
17h 00m
2 stops
DUB09:50Dublin
€551
Find similar
British Airways
6 Feb
DUB11:30Dublin
16h 10m
1 stop
SJU23:40San Juan Luis Munoz Marin Intl
16 Feb
SJU14:45San Juan Luis Munoz Marin Intl
17h 50m
2 stops
DUB12:35Dublin
€2,250
Find similar

American Airlines flights from Dublin to San Juan

Our best American Airlines deals on Dublin to San Juan flight tickets
American Airlines
31 Oct
DUB11:30Dublin
16h 29m
1 stop
SJU23:59San Juan Luis Munoz Marin Intl
7 Nov
SJU18:42San Juan Luis Munoz Marin Intl
16h 23m
2 stops
DUB15:05Dublin
€558
Find similar
American Airlines
5 Dec
DUB08:50Dublin
19h 03m
2 stops
SJU23:53San Juan Luis Munoz Marin Intl
8 Dec
SJU08:20San Juan Luis Munoz Marin Intl
20h 20m
2 stops
DUB08:40Dublin
€563
Find similar
American Airlines
5 Dec
DUB11:30Dublin
32h 27m
1 stop
SJU15:57San Juan Luis Munoz Marin Intl
8 Dec
SJU13:51San Juan Luis Munoz Marin Intl
14h 49m
2 stops
DUB08:40Dublin
€569
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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 17 September 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

Sun 2/11

12:55-21:35

1 stop36h 40m

San Juan Luis Munoz Marin Intl

Tue 18/11

18:42-17:00

2 stops18h 18m

€539

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 12/1

08:50-23:40

2 stops18h 50m

San Juan Luis Munoz Marin Intl

Thu 5/2

12:50-09:50

2 stops17h 00m

€550

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 12/1

11:30-23:40

1 stop16h 10m

San Juan Luis Munoz Marin Intl

Thu 5/2

12:50-09:50

2 stops17h 00m

€551

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 31/10

11:30-23:59

1 stop16h 29m

San Juan Luis Munoz Marin Intl

Fri 7/11

18:42-15:05

2 stops16h 23m

€558

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/12

08:50-23:53

2 stops19h 03m

San Juan Luis Munoz Marin Intl

Mon 8/12

08:20-08:40

2 stops20h 20m

€563

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/12

05:55-00:03

2 stops22h 08m

San Juan Luis Munoz Marin Intl

Mon 8/12

07:00-07:45

1 stop20h 45m

€618

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/12

10:45-00:03

1 stop17h 18m

San Juan Luis Munoz Marin Intl

Mon 8/12

13:57-07:45

1 stop13h 48m

€625

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/12

08:45-00:03

2 stops19h 18m

San Juan Luis Munoz Marin Intl

Mon 8/12

14:10-15:45

2 stops21h 35m

€668

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 14/11

09:00-15:40

2 stops34h 40m

San Juan Luis Munoz Marin Intl

Fri 21/11

02:05-08:10

2 stops26h 05m

€722

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 14/11

09:00-15:40

2 stops34h 40m

San Juan Luis Munoz Marin Intl

Sat 22/11

02:05-07:30

1 stop25h 25m

€724

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 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 €528, 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 May, then departing from Dublin during the month June is also very affordable. Most momondo users find prices during this month for around €550.

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 €705. 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 €882. 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 €814. 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 €896 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 53m, 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 €527Free CancellationRating
7.2
2,914 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