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$318+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DUB
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$559
(KLM)

One-way from

$318
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$834
From San Juan to Dublin
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One-way flight from San Juan to Dublin
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 30, 2025.

This Air Canada deal was found by Cheapflights users on 6/30. 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.
Tue 11/118:30 amSJU - DUB
2 stops18h 40mAir Canada
Fri 11/289:00 amDUB - SJU
1 stop33h 50mAir Canada
Deal found 6/30$471
This United Airlines deal was found by Cheapflights users on 6/30. 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 11/108:10 amSJU - DUB
1 stop20h 00mUnited Airlines
Fri 11/289:00 amDUB - SJU
2 stops17h 22mUnited Airlines
Deal found 6/30$474
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Fri 11/142:30 pmSJU - DUB
2 stops14h 10mAmerican Airlines
Wed 11/266:40 amDUB - SJU
2 stops18h 30mAmerican Airlines
Deal found 6/28$550
This KLM deal was found by Cheapflights users on 6/30. 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.
Sun 8/31:26 pmSJU - DUB
1 stop16h 19mKLM
Tue 8/198:55 amDUB - SJU
2 stops19h 56mKLM
Deal found 6/30$559
This Delta deal was found by Cheapflights users on 6/30. 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.
Fri 11/147:00 amSJU - DUB
2 stops20h 45mDelta
Thu 11/279:45 amDUB - SJU
2 stops31h 13mDelta
Deal found 6/30$584
This JetBlue deal was found by Cheapflights users on 6/30. 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.
Sat 7/2612:55 pmSJU - DUB
1 stop15h 05mJetBlue
Wed 7/3010:40 amDUB - SJU
1 stop19h 11mJetBlue
Deal found 6/30$605
This KAYAK deal was found by Cheapflights users on 6/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/243:03 amSJU - DUB
1 stop20h 22mAer Lingus
Sun 11/24:45 pmDUB - SJU
1 stop15h 04mAer Lingus
Deal found 6/30$689

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 June 30, 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 11/11

8:30 am-7:10 am

2 stops18h 40m

Dublin

Fri 11/28

9:00 am-2:50 pm

1 stop33h 50m

$471

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Mon 11/10

5:50 pm-10:20 am

1 stop12h 30m

Dublin

Wed 11/26

9:00 am-12:36 am

2 stops19h 36m

$474

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Fri 11/14

2:30 pm-8:40 am

2 stops14h 10m

Dublin

Wed 11/26

6:40 am-9:10 pm

2 stops18h 30m

$550

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Sun 8/3

1:26 pm-10:45 am

1 stop16h 19m

Dublin

Tue 8/19

8:55 am-11:51 pm

2 stops19h 56m

$559

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Fri 11/14

7:00 am-7:45 am

2 stops20h 45m

Dublin

Thu 11/27

9:45 am-12:58 pm

2 stops31h 13m

$584

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Sat 7/26

12:55 pm-9:00 am

1 stop15h 05m

Dublin

Wed 7/30

10:40 am-12:51 am

1 stop19h 11m

$605

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Fri 10/24

3:03 am-4:25 am

1 stop20h 22m

Dublin

Sun 11/2

4:45 pm-3:49 am

1 stop15h 04m

$689

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Tue 11/11

9:25 pm-10:15 am

2 stops32h 50m

$318

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Mon 10/13

1:05 am-9:45 am

2 stops27h 40m

$386

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Fri 7/11

3:00 pm-8:20 am

1 stop12h 20m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 13 results
1
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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 $937). 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 June 30, 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 June 30, 2025.
Get a feel of what it's like to fly with Delta, KLM, and United Airlines 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
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
8,852 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
2,920 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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 5 different airlines.

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

    Currently priced at $559, KLM will fly you from San Juan to Dublin and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from JetBlue and United Airlines - these airlines can fly you to your destination from $605 and $682, respectively. You may be able to fly from San Juan to Dublin for 23% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Juan to Dublin one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $386. JetBlue flights start at $525 while deals on Delta start at $620 one-way.

  • 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 $937). 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

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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 5 airlines flying from San Juan to Dublin

Discover the top 5 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$457Average$533FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$457Average$940FlexibilityNo cancel feeOn-time71%
DeltaCheapest$460Average$942FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$477Average$677FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$556Average$750FlexibilityNo cancel feeOn-time62%

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