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Cheap flights from Dublin to San Juan from £411

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.
1 adult
0 bags
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Cheap return flights

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British Airways Logo
10:55 - 10:48DUB-SJU
27h 53m2 stops
British Airways Logo
14:28 - 08:40SJU-DUB
14h 12m1 stop
£491British Airways
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Tue, 27 Jan - Wed, 4 Feb
British Airways Logo
08:50 - 23:56DUB-SJU
19h 06m2 stops
British Airways Logo
07:00 - 08:40SJU-DUB
21h 40m1 stop
£493British Airways
Find Deal
Fri, 30 Jan - Sun, 8 Feb
Multiple Airlines Logo
11:30 - 23:59DUB-SJU
16h 29m2 stops
Multiple Airlines Logo
11:38 - 08:40SJU-DUB
17h 02m2 stops
£494Multiple Airlines
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Sat, 31 Jan - Sun, 8 Feb
Multiple Airlines Logo
12:55 - 11:06DUB-SJU
26h 11m2 stops
Multiple Airlines Logo
11:13 - 08:40SJU-DUB
17h 27m2 stops
£496Multiple Airlines
Find Deal
Fri, 31 Oct - Sat, 8 Nov
Delta Logo
10:45 - 13:07DUB-SJU
30h 22m1 stop
Delta Logo
16:35 - 08:45SJU-DUB
36h 10m2 stops
£535Delta
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Mon, 26 Jan - Sat, 31 Jan
KLM Logo
05:55 - 21:59DUB-SJU
20h 04m2 stops
KLM Logo
14:10 - 08:45SJU-DUB
14h 35m1 stop
£558KLM
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Thu, 30 Oct - Mon, 10 Nov
KLM Logo
05:55 - 21:59DUB-SJU
20h 04m2 stops
KLM Logo
14:27 - 12:40SJU-DUB
18h 13m2 stops
£565KLM
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Thu, 30 Oct - Mon, 10 Nov
Delta Logo
06:00 - 21:58DUB-SJU
20h 58m2 stops
Delta Logo
06:15 - 08:45SJU-DUB
21h 30m1 stop
£605Delta
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Wed, 1 Apr - Sun, 5 Apr
United Airlines Logo
13:35 - 00:36DUB-SJU
15h 01m1 stop
United Airlines Logo
02:05 - 08:10SJU-DUB
26h 05m2 stops
£651United Airlines
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Thu, 6 Nov - Fri, 14 Nov
United Airlines Logo
09:00 - 16:36DUB-SJU
35h 36m2 stops
United Airlines Logo
02:05 - 08:10SJU-DUB
26h 05m2 stops
£662United Airlines
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Sat, 31 Jan - Sat, 7 Feb

KLM flights from Dublin to San Juan

Our best KLM deals on Dublin to San Juan flight tickets
KLM
30 Oct
DUB05:55Dublin
20h 04m
2 stops
SJU21:59San Juan Luis Munoz Marin Intl
10 Nov
SJU14:10San Juan Luis Munoz Marin Intl
14h 35m
1 stop
DUB08:45Dublin
£558
Find similar
KLM
30 Oct
DUB05:55Dublin
20h 04m
2 stops
SJU21:59San Juan Luis Munoz Marin Intl
10 Nov
SJU14:27San Juan Luis Munoz Marin Intl
18h 13m
2 stops
DUB12:40Dublin
£565
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Lufthansa flights from Dublin to San Juan

Our best Lufthansa deals on Dublin to San Juan flight tickets
Lufthansa
30 Oct
DUB13:35Dublin
14h 01m
1 stop
SJU23:36San Juan Luis Munoz Marin Intl
10 Nov
SJU14:20San Juan Luis Munoz Marin Intl
13h 10m
1 stop
DUB07:30Dublin
£669
Find similar
Lufthansa
30 Oct
DUB13:35Dublin
14h 01m
1 stop
SJU23:36San Juan Luis Munoz Marin Intl
10 Nov
SJU14:20San Juan Luis Munoz Marin Intl
13h 10m
1 stop
DUB07:30Dublin
£727
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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 279,928 searches. Data last updated 17 October 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 27/1

10:55-10:48

2 stops27h 53m

San Juan Luis Munoz Marin Intl

Wed 4/2

14:28-08:40

1 stop14h 12m

£491

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 30/1

08:50-23:56

2 stops19h 06m

San Juan Luis Munoz Marin Intl

Sun 8/2

07:00-08:40

1 stop21h 40m

£493

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 31/1

11:30-23:59

2 stops16h 29m

San Juan Luis Munoz Marin Intl

Sun 8/2

11:38-08:40

2 stops17h 02m

£494

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 31/10

12:55-11:06

2 stops26h 11m

San Juan Luis Munoz Marin Intl

Sat 8/11

11:13-08:40

2 stops17h 27m

£496

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 26/1

10:45-13:07

1 stop30h 22m

San Juan Luis Munoz Marin Intl

Sat 31/1

16:35-08:45

2 stops36h 10m

£535

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 30/10

05:55-21:59

2 stops20h 04m

San Juan Luis Munoz Marin Intl

Mon 10/11

14:10-08:45

1 stop14h 35m

£558

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 30/10

05:55-21:59

2 stops20h 04m

San Juan Luis Munoz Marin Intl

Mon 10/11

14:27-12:40

2 stops18h 13m

£565

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 1/4

06:00-21:58

2 stops20h 58m

San Juan Luis Munoz Marin Intl

Sun 5/4

06:15-08:45

1 stop21h 30m

£605

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 6/11

13:35-00:36

1 stop15h 01m

San Juan Luis Munoz Marin Intl

Fri 14/11

02:05-08:10

2 stops26h 05m

£651

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 31/1

09:00-16:36

2 stops35h 36m

San Juan Luis Munoz Marin Intl

Sat 7/2

02:05-08:10

2 stops26h 05m

£662

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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 £441, 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 June instead. Flights to San Juan in June, while not as cheap as those in May, still average around £484.

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

The cheapest day to depart on your flight to San Juan is on a Saturday when prices can be found for as low as £599. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to San Juan is Monday, with ticket prices averaging around £788.

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

In the morning is the cheapest time of day to fly from Dublin to San Juan when you can find flight prices for as low as £686. Flying to San Juan in the morning is an ideal time because this is during off-peak travel hours. Flights at midday are often more expensive, with an average ticket price of £725.

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.
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  • 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 14h 01m.

  • 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 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.

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