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Cheap flights from Dublin to San Juan from €400

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 6/5. 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.
Finnair Logo
09:30 - 23:02
DUB
-
SJU
18h 32m
1 stop
Finnair Logo
06:45 - 09:45
SJU
-
DUB
22h 00m
1 stop
€494Finnair
Thu, 9 Apr - Wed, 22 Apr
Finnair Logo
09:30 - 23:02
DUB
-
SJU
18h 32m
1 stop
Finnair Logo
06:45 - 09:45
SJU
-
DUB
22h 00m
1 stop
€501Finnair
Thu, 9 Apr - Thu, 16 Apr
Finnair Logo
09:30 - 23:02
DUB
-
SJU
18h 32m
1 stop
Finnair Logo
06:45 - 09:45
SJU
-
DUB
22h 00m
1 stop
€562Finnair
Mon, 13 Apr - Thu, 23 Apr
American Airlines Logo
11:30 - 23:52
DUB
-
SJU
16h 22m
1 stop
American Airlines Logo
05:00 - 08:40
SJU
-
DUB
23h 40m
1 stop
€585American Airlines
Thu, 12 Mar - Mon, 16 Mar
American Airlines Logo
11:30 - 12:33
DUB
-
SJU
29h 03m
2 stops
American Airlines Logo
05:00 - 08:40
SJU
-
DUB
23h 40m
1 stop
€604American Airlines
Thu, 12 Mar - Mon, 16 Mar
British Airways Logo
12:40 - 22:05
DUB
-
SJU
14h 25m
1 stop
British Airways Logo
11:43 - 09:40
SJU
-
DUB
16h 57m
2 stops
€613British Airways
Thu, 9 Apr - Wed, 22 Apr
American Airlines Logo
12:40 - 10:53
DUB
-
SJU
27h 13m
2 stops
American Airlines Logo
16:30 - 09:35
SJU
-
DUB
12h 05m
1 stop
€614American Airlines
Wed, 8 Apr - Fri, 24 Apr
American Airlines Logo
12:40 - 22:05
DUB
-
SJU
14h 25m
1 stop
American Airlines Logo
16:30 - 09:35
SJU
-
DUB
12h 05m
1 stop
€615American Airlines
Wed, 8 Apr - Fri, 24 Apr
American Airlines Logo
11:30 - 23:52
DUB
-
SJU
16h 22m
1 stop
American Airlines Logo
16:02 - 08:40
SJU
-
DUB
12h 38m
1 stop
€628American Airlines
Mon, 9 Mar - Mon, 23 Mar
Multiple Airlines Logo
10:45 - 23:15
DUB
-
SJU
16h 30m
2 stops
Multiple Airlines Logo
13:00 - 08:45
SJU
-
DUB
15h 45m
2 stops
€644Multiple Airlines
Mon, 9 Mar - Mon, 23 Mar

British Airways flights from Dublin to San Juan

Our best British Airways deals on Dublin to San Juan flight tickets
British Airways
9 Apr
DUB12:40Dublin
14h 25m
1 stop
SJU22:05San Juan Luis Munoz Marin Intl
22 Apr
SJU11:43San Juan Luis Munoz Marin Intl
16h 57m
2 stops
DUB09:40Dublin
€613
British Airways
9 Apr
DUB07:30Dublin
18h 54m
2 stops
SJU21:24San Juan Luis Munoz Marin Intl
22 Apr
SJU11:43San Juan Luis Munoz Marin Intl
16h 57m
2 stops
DUB09:40Dublin
€649
British Airways
1 Mar
DUB11:30Dublin
16h 10m
1 stop
SJU23:40San Juan Luis Munoz Marin Intl
17 Mar
SJU18:01San Juan Luis Munoz Marin Intl
17h 39m
2 stops
DUB15:40Dublin
€652

American Airlines flights from Dublin to San Juan

Our best American Airlines deals on Dublin to San Juan flight tickets
American Airlines
12 Mar
DUB11:30Dublin
16h 22m
1 stop
SJU23:52San Juan Luis Munoz Marin Intl
16 Mar
SJU05:00San Juan Luis Munoz Marin Intl
23h 40m
1 stop
DUB08:40Dublin
€585
American Airlines
12 Mar
DUB11:30Dublin
29h 03m
2 stops
SJU12:33San Juan Luis Munoz Marin Intl
16 Mar
SJU05:00San Juan Luis Munoz Marin Intl
23h 40m
1 stop
DUB08:40Dublin
€604
American Airlines
8 Apr
DUB12:40Dublin
27h 13m
2 stops
SJU10:53San Juan Luis Munoz Marin Intl
24 Apr
SJU16:30San Juan Luis Munoz Marin Intl
12h 05m
1 stop
DUB09:35Dublin
€614

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 February 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

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 9/4

09:30-23:02

1 stop18h 32m

San Juan Luis Munoz Marin Intl

Wed 22/4

06:45-09:45

1 stop22h 00m

€494

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 9/4

09:30-23:02

1 stop18h 32m

San Juan Luis Munoz Marin Intl

Thu 16/4

06:45-09:45

1 stop22h 00m

€501

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 13/4

09:30-23:02

1 stop18h 32m

San Juan Luis Munoz Marin Intl

Thu 23/4

06:45-09:45

1 stop22h 00m

€562

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 12/3

11:30-23:52

1 stop16h 22m

San Juan Luis Munoz Marin Intl

Mon 16/3

05:00-08:40

1 stop23h 40m

€585

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 12/3

11:30-12:33

2 stops29h 03m

San Juan Luis Munoz Marin Intl

Mon 16/3

05:00-08:40

1 stop23h 40m

€604

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 9/4

12:40-22:05

1 stop14h 25m

San Juan Luis Munoz Marin Intl

Wed 22/4

11:43-09:40

2 stops16h 57m

€613

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 8/4

12:40-10:53

2 stops27h 13m

San Juan Luis Munoz Marin Intl

Fri 24/4

16:30-09:35

1 stop12h 05m

€614

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 8/4

12:40-22:05

1 stop14h 25m

San Juan Luis Munoz Marin Intl

Fri 24/4

16:30-09:35

1 stop12h 05m

€615

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 9/3

11:30-23:52

1 stop16h 22m

San Juan Luis Munoz Marin Intl

Mon 23/3

16:02-08:40

1 stop12h 38m

€628

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 9/3

10:45-23:15

2 stops16h 30m

San Juan Luis Munoz Marin Intl

Mon 23/3

13:00-08:45

2 stops15h 45m

€644

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 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 €552, 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 €578.

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

14h 20m

Direct flights

None
The fastest flight from Dublin to San Juan takes 14h 20m
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 14h 20m, 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 €529Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
American AirlinesPriceFrom €607Free CancellationRating
7.1
11,345 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 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.

An easier way to manage your San Juan trip

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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