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Cheap flights from Dublin to San Juan from £453

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 12/10. 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
1 adult, Economy, 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
10:40 - 10:00
DUB
-
SJU
28h 20m
1 stop
JetBlue Logo
22:35 - 09:00
SJU
-
DUB
29h 25m
1 stop
£512JetBlue
Mon, 6 Jul - Wed, 22 Jul
British Airways Logo
09:30 - 23:41
DUB
-
SJU
19h 11m
1 stop
British Airways Logo
17:50 - 15:15
SJU
-
DUB
16h 25m
2 stops
£527British Airways
Fri, 16 Oct - Sat, 24 Oct
British Airways Logo
10:30 - 23:41
DUB
-
SJU
18h 11m
2 stops
British Airways Logo
17:50 - 15:15
SJU
-
DUB
16h 25m
2 stops
£528British Airways
Fri, 16 Oct - Sat, 24 Oct
British Airways Logo
10:30 - 23:41
DUB
-
SJU
18h 11m
2 stops
British Airways Logo
17:50 - 15:15
SJU
-
DUB
16h 25m
2 stops
£529British Airways
Fri, 16 Oct - Sat, 24 Oct
JetBlue Logo
11:30 - 19:50
DUB
-
SJU
13h 20m
1 stop
JetBlue Logo
15:10 - 09:00
SJU
-
DUB
12h 50m
1 stop
£530JetBlue
Tue, 1 Sep - Mon, 7 Sep
JetBlue Logo
11:30 - 15:59
DUB
-
SJU
33h 29m
1 stop
JetBlue Logo
13:10 - 09:00
SJU
-
DUB
14h 50m
1 stop
£533JetBlue
Sun, 28 Jun - Mon, 13 Jul
British Airways Logo
10:30 - 23:41
DUB
-
SJU
18h 11m
2 stops
British Airways Logo
06:00 - 09:35
SJU
-
DUB
22h 35m
1 stop
£540British Airways
Fri, 16 Oct - Sat, 24 Oct
Multiple Airlines Logo
09:50 - 18:30
DUB
-
SJU
13h 40m
1 stop
Multiple Airlines Logo
10:33 - 09:40
SJU
-
DUB
18h 07m
2 stops
£544Multiple Airlines
Tue, 1 Sep - Mon, 7 Sep
Multiple Airlines Logo
09:50 - 18:30
DUB
-
SJU
13h 40m
1 stop
Multiple Airlines Logo
10:33 - 09:40
SJU
-
DUB
18h 07m
2 stops
£545Multiple Airlines
Tue, 1 Sep - Mon, 7 Sep
Multiple Airlines Logo
09:50 - 18:30
DUB
-
SJU
13h 40m
1 stop
Multiple Airlines Logo
10:33 - 09:40
SJU
-
DUB
18h 07m
2 stops
£545Multiple Airlines
Tue, 1 Sep - Mon, 7 Sep

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JetBlue flights from Dublin to San Juan

Our best JetBlue deals on Dublin to San Juan flight tickets
JetBlue
6 Jul
DUB10:40Dublin
28h 20m
1 stop
SJU10:00San Juan Luis Munoz Marin Intl
22 Jul
SJU22:35San Juan Luis Munoz Marin Intl
29h 25m
1 stop
DUB09:00Dublin
£512
JetBlue
1 Sept
DUB11:30Dublin
13h 20m
1 stop
SJU19:50San Juan Luis Munoz Marin Intl
7 Sept
SJU15:10San Juan Luis Munoz Marin Intl
12h 50m
1 stop
DUB09:00Dublin
£530
JetBlue
28 Jun
DUB11:30Dublin
33h 29m
1 stop
SJU15:59San Juan Luis Munoz Marin Intl
13 Jul
SJU13:10San Juan Luis Munoz Marin Intl
14h 50m
1 stop
DUB09:00Dublin
£533

KLM flights from Dublin to San Juan

Our best KLM deals on Dublin to San Juan flight tickets
KLM
11 Nov
DUB08:50Dublin
19h 05m
2 stops
SJU23:55San Juan Luis Munoz Marin Intl
21 Nov
SJU14:05San Juan Luis Munoz Marin Intl
18h 35m
2 stops
DUB12:40Dublin
£616
KLM
29 Jun
DUB11:10Dublin
17h 33m
2 stops
SJU23:43San Juan Luis Munoz Marin Intl
13 Jul
SJU14:21San Juan Luis Munoz Marin Intl
14h 39m
1 stop
DUB10:00Dublin
£748
KLM
28 Jun
DUB08:55Dublin
18h 32m
2 stops
SJU22:27San Juan Luis Munoz Marin Intl
13 Jul
SJU07:35San Juan Luis Munoz Marin Intl
20h 40m
1 stop
DUB09:15Dublin
£756

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 18 June 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 6/7

10:40-10:00

1 stop28h 20m

San Juan Luis Munoz Marin Intl

Wed 22/7

22:35-09:00

1 stop29h 25m

£512

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 16/10

09:30-23:41

1 stop19h 11m

San Juan Luis Munoz Marin Intl

Sat 24/10

17:50-15:15

2 stops16h 25m

£527

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 16/10

10:30-23:41

2 stops18h 11m

San Juan Luis Munoz Marin Intl

Sat 24/10

17:50-15:15

2 stops16h 25m

£528

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 16/10

10:30-23:41

2 stops18h 11m

San Juan Luis Munoz Marin Intl

Sat 24/10

17:50-15:15

2 stops16h 25m

£529
Fastest return journey

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 1/9

11:30-19:50

1 stop13h 20m

San Juan Luis Munoz Marin Intl

Mon 7/9

15:10-09:00

1 stop12h 50m

£530

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sun 28/6

11:30-15:59

1 stop33h 29m

San Juan Luis Munoz Marin Intl

Mon 13/7

13:10-09:00

1 stop14h 50m

£533

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 16/10

10:30-23:41

2 stops18h 11m

San Juan Luis Munoz Marin Intl

Sat 24/10

06:00-09:35

1 stop22h 35m

£540

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 1/9

09:50-18:30

1 stop13h 40m

San Juan Luis Munoz Marin Intl

Mon 7/9

10:33-09:40

2 stops18h 07m

£544

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 1/9

09:50-18:30

1 stop13h 40m

San Juan Luis Munoz Marin Intl

Mon 7/9

10:33-09:40

2 stops18h 07m

£545

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 1/9

09:50-18:30

1 stop13h 40m

San Juan Luis Munoz Marin Intl

Mon 7/9

10:33-09:40

2 stops18h 07m

£545

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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 £386, 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 February instead. Flights to San Juan in February, while not as cheap as those in May, still average around £507.

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

21h 16m

Direct flights

None
The fastest flight from Dublin to San Juan takes 21h 16m
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 3964.3 mi apart from one another. In terms of flight time, this usually takes a little over 21h 16m.

  • 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 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 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.

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
American AirlinesPriceFrom £586Free CancellationRating
7.1
11,686 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 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