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Cheap flights from Dublin to San Juan from €399

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 1/6. 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.
JetBlue Logo
11:30 - 00:13
DUB
-
SJU
17h 43m
1 stop
JetBlue Logo
15:24 - 09:00
SJU
-
DUB
12h 36m
1 stop
€537JetBlue
Mon, 15 Jun - Sun, 28 Jun
JetBlue Logo
11:30 - 19:54
DUB
-
SJU
13h 24m
1 stop
JetBlue Logo
15:24 - 09:00
SJU
-
DUB
12h 36m
1 stop
€538JetBlue
Mon, 15 Jun - Sun, 28 Jun
JetBlue Logo
11:30 - 19:54
DUB
-
SJU
13h 24m
1 stop
JetBlue Logo
15:24 - 09:00
SJU
-
DUB
12h 36m
1 stop
€550JetBlue
Thu, 25 Jun - Thu, 2 Jul
JetBlue Logo
11:30 - 00:13
DUB
-
SJU
17h 43m
1 stop
JetBlue Logo
07:00 - 08:20
SJU
-
DUB
20h 20m
1 stop
€556JetBlue
Thu, 25 Jun - Sat, 11 Jul
JetBlue Logo
11:30 - 22:39
DUB
-
SJU
16h 09m
1 stop
JetBlue Logo
15:10 - 09:00
SJU
-
DUB
12h 50m
1 stop
€600JetBlue
Wed, 15 Jul - Mon, 3 Aug
JetBlue Logo
11:30 - 09:08
DUB
-
SJU
26h 38m
1 stop
JetBlue Logo
03:30 - 09:00
SJU
-
DUB
24h 30m
1 stop
€603JetBlue
Thu, 28 May - Sun, 31 May
Multiple Airlines Logo
05:55 - 20:30
DUB
-
SJU
19h 35m
2 stops
Multiple Airlines Logo
14:35 - 09:15
SJU
-
DUB
13h 40m
1 stop
€626Multiple Airlines
Thu, 28 May - Mon, 1 Jun
KLM Logo
11:10 - 23:43
DUB
-
SJU
17h 33m
2 stops
KLM Logo
12:54 - 08:45
SJU
-
DUB
14h 51m
1 stop
€626KLM
Mon, 15 Jun - Sun, 28 Jun
JetBlue Logo
11:30 - 19:54
DUB
-
SJU
13h 24m
1 stop
JetBlue Logo
18:21 - 09:00
SJU
-
DUB
33h 39m
1 stop
€632JetBlue
Thu, 18 Jun - Thu, 2 Jul
JetBlue Logo
11:30 - 20:20
DUB
-
SJU
13h 50m
1 stop
JetBlue Logo
20:50 - 08:20
SJU
-
DUB
30h 30m
1 stop
€666JetBlue
Sat, 5 Sep - Sun, 6 Sep

Delta flights from Dublin to San Juan

Our best Delta deals on Dublin to San Juan flight tickets
Delta
28 May
DUB10:00Dublin
17h 17m
2 stops
SJU22:17San Juan Luis Munoz Marin Intl
1 Jun
SJU07:30San Juan Luis Munoz Marin Intl
20h 45m
2 stops
DUB09:15Dublin
€699
Delta
25 Jun
DUB11:00Dublin
14h 43m
1 stop
SJU20:43San Juan Luis Munoz Marin Intl
2 Jul
SJU07:30San Juan Luis Munoz Marin Intl
21h 30m
2 stops
DUB10:00Dublin
€731
Delta
7 Sept
DUB11:00Dublin
16h 23m
1 stop
SJU22:23San Juan Luis Munoz Marin Intl
13 Sept
SJU13:32San Juan Luis Munoz Marin Intl
14h 43m
1 stop
DUB09:15Dublin
€766

KLM flights from Dublin to San Juan

Our best KLM deals on Dublin to San Juan flight tickets
KLM
15 Jun
DUB11:10Dublin
17h 33m
2 stops
SJU23:43San Juan Luis Munoz Marin Intl
28 Jun
SJU12:54San Juan Luis Munoz Marin Intl
14h 51m
1 stop
DUB08:45Dublin
€626
KLM
18 Jun
DUB11:10Dublin
17h 33m
2 stops
SJU23:43San Juan Luis Munoz Marin Intl
2 Jul
SJU14:14San Juan Luis Munoz Marin Intl
14h 46m
1 stop
DUB10:00Dublin
€693
KLM
7 Sept
DUB11:00Dublin
16h 23m
1 stop
SJU22:23San Juan Luis Munoz Marin Intl
13 Sept
SJU07:30San Juan Luis Munoz Marin Intl
20h 15m
1 stop
DUB08:45Dublin
€767

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 14 May 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 - SJU

DUBSJU

Dublin

Mon 15/6

11:30-00:13

1 stop17h 43m

San Juan Luis Munoz Marin Intl

Sun 28/6

15:24-09:00

1 stop12h 36m

€537
Fastest return journey

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 15/6

11:30-19:54

1 stop13h 24m

San Juan Luis Munoz Marin Intl

Sun 28/6

15:24-09:00

1 stop12h 36m

€538

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 25/6

11:30-19:54

1 stop13h 24m

San Juan Luis Munoz Marin Intl

Thu 2/7

15:24-09:00

1 stop12h 36m

€550

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 25/6

11:30-00:13

1 stop17h 43m

San Juan Luis Munoz Marin Intl

Sat 11/7

07:00-08:20

1 stop20h 20m

€556

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 15/7

11:30-22:39

1 stop16h 09m

San Juan Luis Munoz Marin Intl

Mon 3/8

15:10-09:00

1 stop12h 50m

€600

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 28/5

11:30-09:08

1 stop26h 38m

San Juan Luis Munoz Marin Intl

Sun 31/5

03:30-09:00

1 stop24h 30m

€603

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 28/5

05:55-20:30

2 stops19h 35m

San Juan Luis Munoz Marin Intl

Mon 1/6

14:35-09:15

1 stop13h 40m

€626

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 15/6

11:10-23:43

2 stops17h 33m

San Juan Luis Munoz Marin Intl

Sun 28/6

12:54-08:45

1 stop14h 51m

€626

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 18/6

11:30-19:54

1 stop13h 24m

San Juan Luis Munoz Marin Intl

Thu 2/7

18:21-09:00

1 stop33h 39m

€632

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 5/9

11:30-20:20

1 stop13h 50m

San Juan Luis Munoz Marin Intl

Sun 6/9

20:50-08:20

1 stop30h 30m

€666

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 May. Flight prices, which tend to average around €436, 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 October is also very affordable. Most momondo users find prices during this month for around €550.

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

13h 24m

Direct flights

None
The fastest flight from Dublin to San Juan takes 13h 24m
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 6379.8 km apart from one another. Flights usually cover this in 13h 24m, 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 €487Free CancellationRating
7.1
2,974 reviews
Search JetBlue flights
American AirlinesPriceFrom €610Free CancellationRating
7.1
11,666 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