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Flights to San Juan

€422 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
10:45 - 23:44DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
16h 59m1 stop New York John F Kennedy Intl
Multiple Airlines Logo
16:10 - 14:30SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
18h 20m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
€633Multiple Airlines
Fri, 30 Oct - Thu, 12 Nov
Air France Logo
09:55 - 00:52DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
18h 57m2 stops Paris Charles de Gaulle New York John F Kennedy Intl
Air France Logo
18:10 - 14:30SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
16h 20m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
€633Air France
Mon, 2 Nov - Mon, 9 Nov
Multiple Airlines Logo
09:55 - 00:52DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
18h 57m2 stops Paris Charles de Gaulle New York John F Kennedy Intl
Multiple Airlines Logo
14:10 - 08:45SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
14h 35m1 stop New York John F Kennedy Intl
€635Multiple Airlines
Mon, 2 Nov - Mon, 9 Nov
American Airlines Logo
11:30 - 22:57DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
15h 27m1 stop Philadelphia
American Airlines Logo
16:59 - 07:10SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
34h 11m1 stop Dallas/Fort Worth
€701American Airlines
Fri, 30 Oct - Thu, 12 Nov
American Airlines Logo
12:55 - 09:46DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
24h 51m2 stops Dallas/Fort Worth Miami
American Airlines Logo
11:35 - 08:40SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
17h 05m2 stops Miami Philadelphia
€701American Airlines
Fri, 30 Oct - Thu, 12 Nov
American Airlines Logo
11:30 - 22:57DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
15h 27m1 stop Philadelphia
American Airlines Logo
16:59 - 07:10SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
34h 11m1 stop Dallas/Fort Worth
€704American Airlines
Fri, 30 Oct - Thu, 12 Nov
Aer Lingus Logo
06:15 - 16:40DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
14h 25m1 stop Madrid Barajas
Aer Lingus Logo
18:10 - 12:20SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
14h 10m1 stop Madrid Barajas
€1,688Aer Lingus
Tue, 2 Feb - Tue, 16 Feb
Aer Lingus Logo
06:15 - 16:40DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
14h 25m1 stop Madrid Barajas
Aer Lingus Logo
18:10 - 12:20SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
14h 10m1 stop Madrid Barajas
€1,688Aer Lingus
Tue, 2 Feb - Wed, 17 Feb
Aer Lingus Logo
06:15 - 16:40DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
14h 25m1 stop Madrid Barajas
Aer Lingus Logo
18:10 - 12:20SJU  San Juan Luis Munoz Marin Intl-DUB Dublin
14h 10m1 stop Madrid Barajas
€1,700Aer Lingus
Thu, 21 Jan - Tue, 9 Feb
JetBlue Logo
11:30 - 19:53DUB  Dublin-SJU San Juan Luis Munoz Marin Intl
13h 23m1 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
€3,142JetBlue
Wed, 14 Oct - Wed, 21 Oct

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

Fri 30/10

10:45-23:44

1 stop16h 59m

San Juan Luis Munoz Marin Intl

Thu 12/11

16:10-14:30

2 stops18h 20m

€633

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Mon 2/11

09:55-00:52

2 stops18h 57m

San Juan Luis Munoz Marin Intl

Mon 9/11

18:10-14:30

2 stops16h 20m

€633

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Mon 2/11

09:55-00:52

2 stops18h 57m

San Juan Luis Munoz Marin Intl

Mon 9/11

14:10-08:45

1 stop14h 35m

€635

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Fri 30/10

11:30-22:57

1 stop15h 27m

San Juan Luis Munoz Marin Intl

Thu 12/11

16:59-07:10

1 stop34h 11m

€701

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Fri 30/10

12:55-09:46

2 stops24h 51m

San Juan Luis Munoz Marin Intl

Thu 12/11

11:35-08:40

2 stops17h 05m

€701

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Fri 30/10

11:30-22:57

1 stop15h 27m

San Juan Luis Munoz Marin Intl

Thu 12/11

16:59-07:10

1 stop34h 11m

€704
Fastest return journey

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Tue 2/2

06:15-16:40

1 stop14h 25m

San Juan Luis Munoz Marin Intl

Tue 16/2

18:10-12:20

1 stop14h 10m

€1,688

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Tue 2/2

06:15-16:40

1 stop14h 25m

San Juan Luis Munoz Marin Intl

Wed 17/2

18:10-12:20

1 stop14h 10m

€1,688

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Thu 21/1

06:15-16:40

1 stop14h 25m

San Juan Luis Munoz Marin Intl

Tue 9/2

18:10-12:20

1 stop14h 10m

€1,700

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Wed 14/10

11:30-19:53

1 stop13h 23m

San Juan Luis Munoz Marin Intl

Wed 21/10

10:30-09:00

1 stop17h 30m

€3,142

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 €555, 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 €637.

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 €555 in May
MOST EXPENSIVE MONTH TO FLY TO SAN JUAN FROM DUBLINJuly31% more expensiveIt costs about €857 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

€422

Best Round-Trip Price

€633

Fastest flight time

35h 26m

Popular in

July
The best one-way flight price to San Juan from Ireland in the last 5 days is €422 (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 €633 (Dublin to San Juan Luis Munoz Marin Intl).
Search Deals
The fastest flight to San Juan from Ireland takes 35h 26m (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.
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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 16h 18m 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 €730