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Flights to San Juan

€436 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

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Delta Logo
11:10 - 23:49DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
17h 39m2 stops Amsterdam Schiphol New York John F Kennedy Intl
Delta Logo
14:10 - 10:45SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
15h 35m1 stop Boston Logan Intl
€629Delta
Tue, 22 Sep - Sat, 3 Oct
Delta Logo
08:55 - 23:49DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
19h 54m2 stops Amsterdam Schiphol New York John F Kennedy Intl
Delta Logo
12:56 - 10:00SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
16h 04m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
€629Delta
Tue, 22 Sep - Sat, 3 Oct
Air France Logo
06:00 - 22:18DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
20h 18m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
Air France Logo
18:10 - 18:25SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
20h 15m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
€631Air France
Thu, 29 Oct - Wed, 11 Nov
JetBlue Logo
11:30 - 16:12DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
33h 42m1 stop New York John F Kennedy Intl
JetBlue Logo
06:00 - 09:00SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
22h 00m1 stop New York John F Kennedy Intl
€655JetBlue
Sat, 19 Sep - Wed, 23 Sep
American Airlines Logo
11:45 - 12:09DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
29h 24m1 stop Charlotte Douglas
American Airlines Logo
14:27 - 08:40SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
14h 13m1 stop Philadelphia
€659American Airlines
Mon, 12 Oct - Sun, 25 Oct
American Airlines Logo
09:30 - 22:57DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
18h 27m1 stop Philadelphia
American Airlines Logo
07:30 - 08:40SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
21h 10m1 stop Philadelphia
€667American Airlines
Sun, 18 Oct - Sun, 25 Oct
American Airlines Logo
09:30 - 22:57DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
18h 27m1 stop Philadelphia
American Airlines Logo
14:27 - 08:40SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
14h 13m1 stop Philadelphia
€667American Airlines
Fri, 23 Oct - Tue, 27 Oct
Aer Lingus Logo
16:15 - 16:40DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
28h 25m1 stop Madrid Barajas
Aer Lingus Logo
18:10 - 12:20SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
14h 10m1 stop Madrid Barajas
€781Aer Lingus
Fri, 6 Nov - Mon, 16 Nov
Aer Lingus Logo
16:15 - 16:40DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
28h 25m1 stop Madrid Barajas
Aer Lingus Logo
21:35 - 22:05SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
20h 30m1 stop Madrid Barajas
€795Aer Lingus
Thu, 29 Oct - Wed, 11 Nov
JetBlue Logo
11:30 - 19:34DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
13h 04m1 stop New York John F Kennedy Intl
JetBlue Logo
10:30 - 09:00SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
17h 30m1 stop New York John F Kennedy Intl
€811JetBlue
Fri, 25 Sep - Sun, 27 Sep

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

Tue 22/9

11:10-23:49

2 stops17h 39m

San Juan Luis Munoz Marin Intl

Sat 3/10

14:10-10:45

1 stop15h 35m

€629

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Tue 22/9

08:55-23:49

2 stops19h 54m

San Juan Luis Munoz Marin Intl

Sat 3/10

12:56-10:00

2 stops16h 04m

€629

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Thu 29/10

06:00-22:18

2 stops20h 18m

San Juan Luis Munoz Marin Intl

Wed 11/11

18:10-18:25

2 stops20h 15m

€631

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Sat 19/9

11:30-16:12

1 stop33h 42m

San Juan Luis Munoz Marin Intl

Wed 23/9

06:00-09:00

1 stop22h 00m

€655

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Mon 12/10

11:45-12:09

1 stop29h 24m

San Juan Luis Munoz Marin Intl

Sun 25/10

14:27-08:40

1 stop14h 13m

€659

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Sun 18/10

09:30-22:57

1 stop18h 27m

San Juan Luis Munoz Marin Intl

Sun 25/10

07:30-08:40

1 stop21h 10m

€667

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Fri 23/10

09:30-22:57

1 stop18h 27m

San Juan Luis Munoz Marin Intl

Tue 27/10

14:27-08:40

1 stop14h 13m

€667

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Fri 6/11

16:15-16:40

1 stop28h 25m

San Juan Luis Munoz Marin Intl

Mon 16/11

18:10-12:20

1 stop14h 10m

€781

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Thu 29/10

16:15-16:40

1 stop28h 25m

San Juan Luis Munoz Marin Intl

Wed 11/11

21:35-22:05

1 stop20h 30m

€795
Fastest return journey

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Fri 25/9

11:30-19:34

1 stop13h 04m

San Juan Luis Munoz Marin Intl

Sun 27/9

10:30-09:00

1 stop17h 30m

€811

Flights are sorted by cheapest return flights first.

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See travel insights to San Juan from

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 €548, 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 €629.

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 €548 in May
MOST EXPENSIVE MONTH TO FLY TO SAN JUAN FROM DUBLINJuly31% more expensiveIt costs about €847 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

€436

Best Round-Trip Price

€629

Fastest flight time

26h 20m

Popular in

July
The best one-way flight price to San Juan from Ireland in the last 5 days is €436 (Dublin to San Juan Luis Munoz Marin Intl).
Search Deals
The best return flight price to San Juan from Ireland in the last 5 days is €629 (Dublin to San Juan Luis Munoz Marin Intl).
Search Deals
The fastest flight to San Juan from Ireland takes 26h 20m (Dublin to San Juan Luis Munoz Marin Intl).
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July has the highest demand for flights to San Juan, with a 4% price increase on average.
Search Deals

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 San Juan Antiguo?

Yes, you can get a flight ticket to San Juan Luis Munoz Marin Intl if you want to reach San Juan Antiguo. It is the nearest San Juan airport (12.5 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 15h 04m 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 September 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 €733