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Flights to San Juan

€410 Cheap flights to San Juan

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight 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.
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0 bags

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Find the cheapest flights from Ireland to San Juan

Cheap return flights

British Airways Logo
20:40 - 23:30DUB-SJU
30h 50m2 stops
British Airways Logo
16:50 - 14:20SJU-DUB
17h 30m2 stops
€551British Airways
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Sat, 14 Feb - Tue, 24 Feb
British Airways Logo
08:50 - 23:40DUB-SJU
18h 50m2 stops
British Airways Logo
14:45 - 12:10SJU-DUB
17h 25m2 stops
€552British Airways
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Thu, 22 Jan - Tue, 3 Feb
British Airways Logo
11:30 - 23:40DUB-SJU
16h 10m1 stop
British Airways Logo
16:50 - 14:20SJU-DUB
17h 30m2 stops
€553British Airways
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Thu, 22 Jan - Tue, 3 Feb
Logo
09:30 - 11:11DUB-SJU
30h 41m2 stops
Logo
15:05 - 09:45SJU-DUB
37h 40m1 stop
€563
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Tue, 30 Sep - Sat, 4 Oct
American Airlines Logo
08:50 - 23:53DUB-SJU
19h 03m2 stops
American Airlines Logo
06:25 - 08:40SJU-DUB
22h 15m1 stop
€567American Airlines
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Fri, 5 Dec - Mon, 8 Dec
Logo
11:30 - 22:35DUB-SJU
15h 05m2 stops
Logo
14:40 - 08:40SJU-DUB
14h 00m1 stop
€568
Find Deal
Sat, 14 Feb - Tue, 24 Feb
American Airlines Logo
11:30 - 23:53DUB-SJU
16h 23m2 stops
American Airlines Logo
06:25 - 08:40SJU-DUB
22h 15m1 stop
€569American Airlines
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Fri, 5 Dec - Mon, 8 Dec
Delta Logo
08:50 - 00:03DUB-SJU
19h 13m2 stops
Delta Logo
13:57 - 07:45SJU-DUB
13h 48m1 stop
€621Delta
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Fri, 5 Dec - Mon, 8 Dec
Delta Logo
05:55 - 00:03DUB-SJU
22h 08m2 stops
Delta Logo
14:10 - 12:40SJU-DUB
18h 30m2 stops
€623Delta
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Fri, 5 Dec - Mon, 8 Dec
JetBlue Logo
11:30 - 21:24DUB-SJU
14h 54m1 stop
JetBlue Logo
13:29 - 08:20SJU-DUB
13h 51m1 stop
€664JetBlue
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Thu, 25 Sep - Thu, 2 Oct

momondo Fare Finder

 
Locate flights to San Juan that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13,528 searches and data was last updated on 15 September 2025.
Use the filters below to find and compare flights to San Juan that are best for you.

Fly from

Route

Depart

Return

Price

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 14/2

20:40-23:30

2 stops30h 50m

San Juan Luis Munoz Marin Intl

Tue 24/2

16:50-14:20

2 stops17h 30m

€551

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 22/1

08:50-23:40

2 stops18h 50m

San Juan Luis Munoz Marin Intl

Tue 3/2

14:45-12:10

2 stops17h 25m

€552

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 22/1

11:30-23:40

1 stop16h 10m

San Juan Luis Munoz Marin Intl

Tue 3/2

16:50-14:20

2 stops17h 30m

€553

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 30/9

09:30-11:11

2 stops30h 41m

San Juan Luis Munoz Marin Intl

Sat 4/10

15:05-09:45

1 stop37h 40m

€563

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/12

08:50-23:53

2 stops19h 03m

San Juan Luis Munoz Marin Intl

Mon 8/12

06:25-08:40

1 stop22h 15m

€567

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 14/2

11:30-22:35

2 stops15h 05m

San Juan Luis Munoz Marin Intl

Tue 24/2

14:40-08:40

1 stop14h 00m

€568

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/12

11:30-23:53

2 stops16h 23m

San Juan Luis Munoz Marin Intl

Mon 8/12

06:25-08:40

1 stop22h 15m

€569

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/12

08:50-00:03

2 stops19h 13m

San Juan Luis Munoz Marin Intl

Mon 8/12

13:57-07:45

1 stop13h 48m

€621

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 5/12

05:55-00:03

2 stops22h 08m

San Juan Luis Munoz Marin Intl

Mon 8/12

14:10-12:40

2 stops18h 30m

€623

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 25/9

11:30-21:24

1 stop14h 54m

San Juan Luis Munoz Marin Intl

Thu 2/10

13:29-08:20

1 stop13h 51m

€664

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 €532, 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 €554.

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

On average, the least expensive day to fly to San Juan from Ireland is on a Monday. momondo users have found tickets for Monday departures for as low as €710. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €888. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Juan.

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

According to our data, the cheapest time of day to fly to San Juan is in the morning. momondo users have found flights departing from Ireland to San Juan in the morning for as low as €815. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At midday is when there is more demand to fly to San Juan, so prices are often more expensive at around €902 per ticket.

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 DUBLINMay26% cheaperFlying from Dublin to San Juan costs on average just €532 in May
MOST EXPENSIVE MONTH TO FLY TO SAN JUAN FROM DUBLINOctober31% more expensiveIt costs about €943 for flights to San Juan from Dublin in October
MOST POPULAR MONTH TO FLY TO SAN JUAN FROM DUBLINJanuary1,200% 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

€410

Best Round-Trip Price

€551

Fastest flight time

16h 00m

Popular in

October
The best one-way flight price to San Juan from Ireland in the last 72 hours is €410 (Dublin to San Juan Luis Munoz Marin Intl).
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The best round-trip flight price to San Juan from Ireland in the last 72 hours is €551 (Dublin to San Juan Luis Munoz Marin Intl).
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The fastest flight to San Juan from Ireland takes 16h 00m (Dublin to San Juan Luis Munoz Marin Intl).
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October has the highest demand for flights to San Juan, with a 15% 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 14m 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 2025, there are 2 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.

An easier way to manage your San Juan trip

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Popular Flights to San Juan

Popular routes according to searches in the past day on momondo
Dublin to San Juan Flightsfrom €648