HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dublin

$395+ Cheap flights from San Juan to Dublin (DUB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DUB
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Juan to Dublin with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Juan to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 3, 2025.

Round-trip from

$737
(United Airlines)

One-way from

$395
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,006
From San Juan to Dublin
Search Deals
One-way flight from San Juan to Dublin
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($254 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from San Juan to Dublin

Cheapest flights from San Juan to Dublin
Explore the most affordable flight options available from San Juan to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

This Finnair deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/284:05 pmSJU - DUB
1 stop12h 35mMultiple Airlines
Tue 11/112:05 pmDUB - SJU
1 stop19h 00mMultiple Airlines
Deal found 4/2$508
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/271:05 amSJU - DUB
2 stops25h 05mUnited Airlines
Tue 11/1111:50 amDUB - SJU
1 stop29h 27mUnited Airlines
Deal found 4/2$524
This JetBlue deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:30 amSJU - DUB
1 stop15h 50mJetBlue
Tue 9/3011:30 amDUB - SJU
1 stop14h 48mJetBlue
Deal found 4/2$602
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/146:35 amSJU - DUB
1 stop21h 40mDelta
Thu 4/2411:00 amDUB - SJU
1 stop17h 15mDelta
Deal found 4/2$741
This FlightHub deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/181:59 amSJU - DUB
1 stop22h 16mAer Lingus
Sat 11/294:45 pmDUB - SJU
1 stop15h 35mAer Lingus
Deal found 4/2$763
This Aeromexico deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/22:40 pmSJU - DUB
2 stops27h 00mAir France
Sun 7/611:00 amDUB - SJU
1 stop16h 51mAir France
Deal found 4/2$1,045
This Air Canada deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/131:05 amSJU - DUB
2 stops26h 10mAir Canada
Thu 4/249:50 amDUB - SJU
2 stops19h 07mAir Canada
Deal found 4/2$1,179
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/192:05 pmSJU - DUB
2 stops29h 15mTAP AIR PORTUGAL
Fri 11/284:25 amDUB - SJU
2 stops26h 52mTAP AIR PORTUGAL
Deal found 4/2$1,332
This American Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1911:45 amSJU - DUB
1 stop12h 45mAmerican Airlines
Sun 4/207:30 amDUB - SJU
2 stops17h 58mAmerican Airlines
Deal found 4/2$1,546

Cheapflights Fare Finder

Customize your flight search to find flights from San Juan to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 3, 2025.
Use the filters below to find and compare flights from San Juan to Dublin that are best for you.

Fly from

San Juan

Fly to

Dublin

Route

Depart

Return

Price

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Mon 4/14

1:25 pm-7:20 am

1 stop12h 55m

Dublin

Thu 4/24

9:50 am-11:57 pm

2 stops19h 07m

$737

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Mon 4/14

6:35 am-9:15 am

1 stop21h 40m

Dublin

Thu 4/24

11:00 am-11:15 pm

1 stop17h 15m

$741

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Wed 4/9

1:31 am-10:50 pm

3 stops40h 19m

Dublin

Thu 4/17

6:15 am-8:26 am

2 stops31h 11m

$1,031

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Sat 4/19

12:16 pm-8:20 am

1 stop15h 04m

Dublin

Sun 4/20

11:30 am-10:02 pm

1 stop15h 32m

$1,066

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Sun 4/13

1:05 am-8:15 am

2 stops26h 10m

Dublin

Thu 4/24

9:50 am-11:57 pm

2 stops19h 07m

$1,179

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Sat 4/19

11:45 am-5:30 am

1 stop12h 45m

Dublin

Sun 4/20

7:30 am-8:28 pm

2 stops17h 58m

$1,546

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Fri 4/18

12:58 am-4:25 am

1 stop22h 27m

Dublin

Sun 4/20

4:45 pm-9:47 pm

1 stop34h 02m

$2,272

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Sat 4/26

9:30 pm-11:00 am

2 stops56h 30m

$395

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Sat 4/26

12:00 pm-9:00 am

1 stop16h 00m

$570

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Fri 4/25

2:45 am-4:30 am

1 stop20h 45m

$2,170

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Best time to book a flight from San Juan to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from San Juan with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Juan to Dublin

What is the cheapest month to book a flight from San Juan to Dublin?

Currently, November is the cheapest month in which you can book a flight from San Juan to Dublin (average of $509). Flying from San Juan to Dublin in June is currently the most expensive (average of $1,006). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SJU to DUB?

Find hourly flight availability from San Juan to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 3, 2025.

It’s optimal to fly from San Juan to Dublin in the evening. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Dublin when rainfall is around 1.9 in.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated April 3, 2025.
See what other customers who have flown with Delta, United Airlines and JetBlue from San Juan to Dublin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know
United Airlines
7.4
Good
8,619 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know
JetBlue
7.3
Good
2,922 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know
Air Canada
7.0
Good
9,029 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Related info for your journey

Find useful and relevant information for your journey from San Juan to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Dublin from San Juan?

    Located just 5.7 mi from the city center, Dublin is the airport most travelers will use when flying to Dublin from San Juan. Booking flights from San Juan to Dublin (DUB) should be relatively easy as there are 0 daily inbound flights from San Juan from 4 different airlines.

  • What are the cheapest airlines flying from San Juan to Dublin round-trip?

    Currently priced at $737, United Airlines will fly you from San Juan to Dublin and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and JetBlue - these airlines can fly you to your destination from $741 and $1,066, respectively. You may be able to fly from San Juan to Dublin for 8% less than the average price by searching for these airlines.

  • Can I find deals for flights from San Juan to Dublin that include hotel bookings?

    Yes. In addition to deals on San Juan to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Juan to Dublin.

  • Can I find deals for business class flights from San Juan to Dublin?

    Yes. Cheapflights offers flight deals from San Juan to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Juan to Dublin?

    Currently, November is the cheapest month in which you can book a flight from San Juan to Dublin (average of $509). Flying from San Juan to Dublin in June is currently the most expensive (average of $1,006). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Maynooth
Castleknock
Swords
Wicklow
Leixlip

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Juan to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to Dublin flights

Top 4 airlines flying from San Juan to Dublin

Discover the top 4 airlines that operate flights from San Juan to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$397Average$546FlexibilityNo cancel feeOn-time75%
DeltaCheapest$397Average$990FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$449Average$894FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$556Average$770FlexibilityNo cancel feeOn-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.