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$367+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DUB
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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 September 17, 2025.

Round-trip from

$447
(American Airlines)

One-way from

$367
(Kiwi.com)

Popular in

July

Cheapest in

May

Average price

$714
From San Juan to Dublin
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One-way flight from San Juan to Dublin
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Highest demand for flights based on searches. 10% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/17. 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.
Tue 10/281:50 pmSJU - DUB
2 stops16h 25mAmerican Airlines
Tue 11/1111:30 amDUB - SJU
1 stop16h 22mAmerican Airlines
Deal found 9/17$447
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 11/195:50 pmSJU - DUB
1 stop12h 30mUnited Airlines
Wed 12/310:40 amDUB - SJU
1 stop14h 20mUnited Airlines
Deal found 9/15$449
This Finnair deal was found by Cheapflights users on 9/17. 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.
Wed 11/196:25 amSJU - DUB
1 stop22h 15mMultiple Airlines
Wed 12/311:30 amDUB - SJU
1 stop16h 22mMultiple Airlines
Deal found 9/17$450
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 11/198:30 amSJU - DUB
2 stops21h 25mUnited Airlines
Thu 12/49:30 amDUB - SJU
2 stops16h 52mUnited Airlines
Deal found 9/15$454
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/111:35 pmDUB - SJU
1 stop15h 01mUnited Airlines
Deal found 9/15$456
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 11/128:10 amSJU - DUB
1 stop20h 00mUnited Airlines
Sun 11/169:00 amDUB - SJU
2 stops19h 36mUnited Airlines
Deal found 9/14$494
This KLM deal was found by Cheapflights users on 9/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:10 pmSJU - DUB
1 stop14h 35mKLM
Tue 11/2510:45 amDUB - SJU
1 stop17h 11mKLM
Deal found 9/17$500
This Finnair deal was found by Cheapflights users on 9/15. 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.
Fri 11/148:20 amSJU - DUB
2 stops20h 20mMultiple Airlines
Tue 11/2511:30 amDUB - SJU
1 stop16h 22mMultiple Airlines
Deal found 9/15$504
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 11/132:05 amSJU - DUB
2 stops25h 05mUnited Airlines
Tue 11/2512:05 pmDUB - SJU
1 stop14h 17mUnited Airlines
Deal found 9/16$506
This KLM deal was found by Cheapflights users on 9/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/132:31 pmSJU - DUB
1 stop13h 14mKLM
Wed 10/221:15 pmDUB - SJU
1 stop15h 41mKLM
Deal found 9/16$515

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 September 17, 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

Tue 10/28

5:30 am-8:40 am

1 stop23h 10m

Dublin

Tue 11/11

11:30 am-11:52 pm

1 stop16h 22m

$449

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Tue 11/18

7:15 am-8:45 am

1 stop21h 30m

Dublin

Fri 12/5

10:45 am-12:57 pm

1 stop30h 12m

$449

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Sun 11/16

8:10 am-8:10 am

1 stop20h 00m

Dublin

Thu 12/4

10:40 am-3:40 pm

1 stop33h 00m

$449

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Sun 11/16

7:15 am-8:45 am

1 stop21h 30m

Dublin

Wed 12/3

11:30 am-1:16 pm

1 stop29h 46m

$449

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Mon 11/17

8:30 am-10:20 am

1 stop21h 50m

Dublin

Thu 12/4

12:05 pm-1:17 pm

1 stop29h 12m

$449

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Wed 11/19

6:25 am-8:40 am

1 stop22h 15m

Dublin

Wed 12/3

11:30 am-11:52 pm

1 stop16h 22m

$449

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Sun 11/16

6:35 pm-8:45 am

1 stop34h 10m

Dublin

Fri 12/5

10:45 am-5:19 pm

1 stop34h 34m

$449

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Wed 11/19

2:10 pm-8:45 am

1 stop14h 35m

Dublin

Wed 11/26

9:45 am-11:13 pm

1 stop17h 28m

$450

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Tue 10/28

4:50 pm-10:20 am

1 stop13h 30m

Dublin

Tue 11/11

12:05 pm-10:22 pm

1 stop14h 17m

$450

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Wed 11/19

8:30 am-9:55 am

2 stops21h 25m

Dublin

Thu 12/4

9:30 am-10:22 pm

2 stops16h 52m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 16 results
1
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 $923). 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 September 17, 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.

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 September 17, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and JetBlue from San Juan to Dublin by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
JetBlue
7.2
Good
2,914 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

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 3 different airlines.

  • How long is the flight from San Juan to Dublin?

    Departing from San Juan to Dublin will take you 20h. There are 3963 mi between San Juan and Dublin. This flight may include one or multiple stops.

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

    Currently priced at $160, JetBlue will fly you from San Juan to Dublin and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $460 and $477, respectively. You may be able to fly from San Juan to Dublin for 77% 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 $923). 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 Dublin?

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

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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 3 airlines flying from San Juan to Dublin

Discover the top 3 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$160Average$664FlexibilityNo cancel feeOn-time62%
DeltaCheapest$460Average$1,087FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$477Average$763FlexibilityNo cancel feeOn-time69%

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