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Flights to San Juan

€497 Cheap flights to San Juan

1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ireland to San Juan

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:15 - 02:49DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
42h 34m2 stops Lisbon Humberto Delgado Miami
Multiple Airlines Logo
18:10 - 09:35SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
35h 25m1 stop Madrid Barajas
€773Multiple Airlines
Sun, 24 Jan - Sun, 31 Jan
Delta Logo
09:55 - 23:15DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
17h 20m1 stop Atlanta Hartsfield-Jackson
Delta Logo
14:53 - 09:45SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
14h 52m1 stop Boston Logan Intl
€779Delta
Thu, 26 Nov - Sun, 6 Dec
Delta Logo
09:55 - 23:15DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
17h 20m1 stop Atlanta Hartsfield-Jackson
Delta Logo
14:53 - 09:45SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
14h 52m1 stop Boston Logan Intl
€779Delta
Thu, 26 Nov - Sun, 6 Dec
American Airlines Logo
11:30 - 23:59DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
16h 29m1 stop Philadelphia
American Airlines Logo
14:36 - 09:10SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
14h 34m1 stop Philadelphia
€801American Airlines
Sat, 6 Feb - Mon, 8 Feb
American Airlines Logo
11:30 - 23:59DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
16h 29m1 stop Philadelphia
American Airlines Logo
10:32 - 09:10SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
18h 38m2 stops Miami Philadelphia
€801American Airlines
Sat, 6 Feb - Mon, 8 Feb
American Airlines Logo
11:30 - 00:58DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
17h 28m1 stop Philadelphia
American Airlines Logo
07:25 - 08:30SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
21h 05m1 stop Philadelphia
€812American Airlines
Thu, 25 Feb - Sun, 14 Mar
Aer Lingus Logo
06:15 - 20:00DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
17h 45m1 stop Madrid Barajas
Aer Lingus Logo
04:15 - 04:30SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
20h 15m1 stop New York John F Kennedy Intl
€915Aer Lingus
Fri, 5 Feb - Sat, 13 Feb
Aer Lingus Logo
11:45 - 23:59DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
16h 14m1 stop Boston Logan Intl
Aer Lingus Logo
06:01 - 04:30SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
18h 29m1 stop New York John F Kennedy Intl
€954Aer Lingus
Tue, 29 Dec - Sat, 9 Jan
JetBlue Logo
10:40 - 21:42DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
16h 02m1 stop Boston Logan Intl
JetBlue Logo
13:27 - 08:20SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
13h 53m1 stop Boston Logan Intl
€2,527JetBlue
Sat, 1 May - Sun, 9 May
JetBlue Logo
10:40 - 16:39DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
34h 59m1 stop Boston Logan Intl
JetBlue Logo
17:19 - 08:20SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
34h 01m1 stop Boston Logan Intl
€2,636JetBlue
Sun, 2 May - Sat, 8 May

momondo Fare Finder

 
Use the filters below to find and compare flights to San Juan that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Sun 24/1

12:15-02:49

2 stops42h 34m

San Juan Luis Munoz Marin Intl

Sun 31/1

18:10-09:35

1 stop35h 25m

€773

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Thu 26/11

09:55-23:15

1 stop17h 20m

San Juan Luis Munoz Marin Intl

Sun 6/12

14:53-09:45

1 stop14h 52m

€779

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Thu 26/11

09:55-23:15

1 stop17h 20m

San Juan Luis Munoz Marin Intl

Sun 6/12

14:53-09:45

1 stop14h 52m

€779

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Sat 6/2

11:30-23:59

1 stop16h 29m

San Juan Luis Munoz Marin Intl

Mon 8/2

14:36-09:10

1 stop14h 34m

€801

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Sat 6/2

11:30-23:59

1 stop16h 29m

San Juan Luis Munoz Marin Intl

Mon 8/2

10:32-09:10

2 stops18h 38m

€801

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Thu 25/2

11:30-00:58

1 stop17h 28m

San Juan Luis Munoz Marin Intl

Sun 14/3

07:25-08:30

1 stop21h 05m

€812

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Fri 5/2

06:15-20:00

1 stop17h 45m

San Juan Luis Munoz Marin Intl

Sat 13/2

04:15-04:30

1 stop20h 15m

€915

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Tue 29/12

11:45-23:59

1 stop16h 14m

San Juan Luis Munoz Marin Intl

Sat 9/1

06:01-04:30

1 stop18h 29m

€954
Fastest return journey

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Sat 1/5

10:40-21:42

1 stop16h 02m

San Juan Luis Munoz Marin Intl

Sun 9/5

13:27-08:20

1 stop13h 53m

€2,527

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Sun 2/5

10:40-16:39

1 stop34h 59m

San Juan Luis Munoz Marin Intl

Sat 8/5

17:19-08:20

1 stop34h 01m

€2,636

Flights are sorted by cheapest return flights first.

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San Juan flights insights and trends

Explore insights for your San Juan flight to craft the best travel plan

What is the cheapest month to fly to San Juan?

The cheapest month to fly to San Juan from Ireland is in May. Flight prices, which tend to average around €572, 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 Ireland during the month June is also very affordable. Most momondo users find prices during this month for around €656.

Cheapest flights to San Juan

Find the cheapest flights to San Juan from your nearest city or airport
Find flights from Dublin to San Juan Luis Munoz Marin Intl Airport
CHEAPEST MONTH TO FLY TO SAN JUAN FROM DUBLINMay15% cheaperFlying from Dublin to San Juan costs on average just €572 in May
MOST EXPENSIVE MONTH TO FLY TO SAN JUAN FROM DUBLINJuly32% more expensiveIt costs about €883 for flights to San Juan from Dublin in July
MOST POPULAR MONTH TO FLY TO SAN JUAN FROM DUBLINJanuary2,200% more users visitedMore momondo users searched in flights to San Juan from Dublin in January than any other month

Cheap San Juan flight deals and tips

Summary info about San Juan flight prices, duration and airlines

Best One-Way Price

€497

Best Round-Trip Price

€756

Fastest flight time

49h 00m

Popular in

July
The best one-way flight price to San Juan from Ireland in the last 5 days is €497 (Dublin to San Juan Luis Munoz Marin Intl).
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The best return flight price to San Juan from Ireland in the last 5 days is €756 (Dublin to San Juan Luis Munoz Marin Intl).
Search Deals
The fastest flight to San Juan from Ireland takes 49h 00m (Dublin to San Juan Luis Munoz Marin Intl).
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July has the highest demand for flights to San Juan, with a 5% price increase on average.
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Frequently asked questions about flying to San Juan

Is there an alternative airport near San Juan?

San Juan Isla Grande Airport, Ceiba J. Aponte de la Torre Airport, Ponce Mercedita Airport, Vieques Airport or Culebra Airport can be an alternative airport used for travel to San Juan.

Are there flights to Santurce?

Yes, you can get a flight ticket to San Juan Luis Munoz Marin Intl if you want to reach Santurce. It is the nearest San Juan airport (5.2 km away).

How long does it take to fly to San Juan?

The flight from Ireland to San Juan depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Dublin (a popular airport in Ireland) to San Juan Luis Munoz Marin Intl (the most popular airport in San Juan), then the flight time is 17h 20m on average. If you fly from Cork (another popular airport in Ireland) to San Juan Luis Munoz Marin Intl, then the average flight time is .

When did momondo last update prices for flights to San Juan?

Prices for flights to San Juan are refreshed on a daily basis.

How many operators does momondo search for flights to San Juan?

As of November 2026, there are 3 operators available to choose from for flights to San Juan.

How old do you have to be to fly 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 to San Juan.

What documentation or ID do you need to fly to San Juan?

The travel and health documents required for your trip to San Juan can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at San Juan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal to San Juan?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to San Juan. Millions of users trust and use momondo every year so you are in good company.

Can I find flights to San Juan with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Juan with this policy.

How can momondo help me find flights to San Juan?

Once all potential San Juan flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times, amongst many other options.

I’m not ready to book a flight 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 and alert you when they change.

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Popular Flights to San Juan

Dublin to San Juan Flightsfrom €861