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Flights to San Juan

€406 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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Find the cheapest flights from Ireland to San Juan

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:45 - 23:56DUB-SJU
19h 11m2 stops
Multiple Airlines Logo
14:10 - 08:45SJU-DUB
14h 35m1 stop
€598Multiple Airlines
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Wed, 19 Nov - Sun, 23 Nov
Air France Logo
10:45 - 23:56DUB-SJU
17h 11m1 stop
Air France Logo
14:10 - 08:45SJU-DUB
14h 35m1 stop
€602Air France
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Wed, 19 Nov - Sun, 23 Nov
Delta Logo
08:50 - 23:56DUB-SJU
19h 06m2 stops
Delta Logo
18:35 - 08:45SJU-DUB
34h 10m1 stop
€613Delta
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Wed, 19 Nov - Sun, 23 Nov
Delta Logo
08:50 - 12:56DUB-SJU
32h 06m2 stops
Delta Logo
14:10 - 16:20SJU-DUB
22h 10m2 stops
€615Delta
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Wed, 19 Nov - Sun, 23 Nov
American Airlines Logo
11:30 - 23:52DUB-SJU
16h 22m1 stop
American Airlines Logo
06:25 - 08:40SJU-DUB
22h 15m1 stop
€622American Airlines
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Wed, 19 Nov - Sun, 23 Nov
British Airways Logo
08:45 - 23:59DUB-SJU
19h 14m2 stops
British Airways Logo
07:00 - 08:40SJU-DUB
21h 40m1 stop
€624British Airways
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Fri, 23 Jan - Sun, 25 Jan
British Airways Logo
10:00 - 23:52DUB-SJU
17h 52m2 stops
British Airways Logo
12:49 - 09:35SJU-DUB
16h 46m2 stops
€637British Airways
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Tue, 9 Dec - Tue, 16 Dec
KLM Logo
10:45 - 23:59DUB-SJU
17h 14m1 stop
KLM Logo
14:08 - 09:20SJU-DUB
15h 12m1 stop
€652KLM
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Thu, 18 Dec - Thu, 25 Dec
American Airlines Logo
13:00 - 14:52DUB-SJU
29h 52m1 stop
American Airlines Logo
14:28 - 08:40SJU-DUB
14h 12m1 stop
€653American Airlines
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Wed, 24 Dec - Wed, 14 Jan
KLM Logo
11:00 - 12:00DUB-SJU
30h 00m1 stop
KLM Logo
12:50 - 08:45SJU-DUB
14h 55m1 stop
€655KLM
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Wed, 8 Apr - Fri, 24 Apr

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 5 November 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

Wed 19/11

08:45-23:56

2 stops19h 11m

San Juan Luis Munoz Marin Intl

Sun 23/11

14:10-08:45

1 stop14h 35m

€598

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 19/11

10:45-23:56

1 stop17h 11m

San Juan Luis Munoz Marin Intl

Sun 23/11

14:10-08:45

1 stop14h 35m

€602

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 19/11

08:50-23:56

2 stops19h 06m

San Juan Luis Munoz Marin Intl

Sun 23/11

18:35-08:45

1 stop34h 10m

€613

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 19/11

08:50-12:56

2 stops32h 06m

San Juan Luis Munoz Marin Intl

Sun 23/11

14:10-16:20

2 stops22h 10m

€615

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 19/11

11:30-23:52

1 stop16h 22m

San Juan Luis Munoz Marin Intl

Sun 23/11

06:25-08:40

1 stop22h 15m

€622

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 23/1

08:45-23:59

2 stops19h 14m

San Juan Luis Munoz Marin Intl

Sun 25/1

07:00-08:40

1 stop21h 40m

€624

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 9/12

10:00-23:52

2 stops17h 52m

San Juan Luis Munoz Marin Intl

Tue 16/12

12:49-09:35

2 stops16h 46m

€637

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 18/12

10:45-23:59

1 stop17h 14m

San Juan Luis Munoz Marin Intl

Thu 25/12

14:08-09:20

1 stop15h 12m

€652

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 24/12

13:00-14:52

1 stop29h 52m

San Juan Luis Munoz Marin Intl

Wed 14/1

14:28-08:40

1 stop14h 12m

€653

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 8/4

11:00-12:00

1 stop30h 00m

San Juan Luis Munoz Marin Intl

Fri 24/4

12:50-08:45

1 stop14h 55m

€655

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 €515, 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 €565.

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 €724. 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 €907. 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 €832. 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 €921 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 DUBLINMay29% cheaperFlying from Dublin to San Juan costs on average just €515 in May
MOST EXPENSIVE MONTH TO FLY TO SAN JUAN FROM DUBLINSeptember31% more expensiveIt costs about €939 for flights to San Juan from Dublin in September
MOST POPULAR MONTH TO FLY TO SAN JUAN FROM DUBLINApril1,100% more users visitedMore momondo users searched in flights to San Juan from Dublin in April 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

€406

Best Round-Trip Price

€598

Fastest flight time

14h 25m

Popular in

September
The best one-way flight price to San Juan from Ireland in the last 72 hours is €406 (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 €598 (Dublin to San Juan Luis Munoz Marin Intl).
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The fastest flight to San Juan from Ireland takes 14h 25m (Dublin to San Juan Luis Munoz Marin Intl).
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September has the highest demand for flights to San Juan, with a 14% 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 14h 55m 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 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 €693