Dublin

$306+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DUB
Jul 26 — Aug 21
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Cheap 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 26, 2026.

This United deal was found by Cheapflights users on 6/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:25 am
SJU
-
DUB
2 stops21h 30m
Multiple Airlines
Fri 11/209:00 am
DUB
-
SJU
1 stop32h 30m
Multiple Airlines
Deal found 6/26$644
This KLM deal was found by Cheapflights users on 6/26. 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.
Tue 11/102:30 pm
SJU
-
DUB
1 stop15h 15m
KLM
Thu 11/195:45 am
DUB
-
SJU
2 stops21h 28m
KLM
Deal found 6/26$650
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Sun 11/82:05 am
SJU
-
DUB
1 stop27h 50m
United Airlines
Wed 11/1812:05 pm
DUB
-
SJU
1 stop14h 17m
United Airlines
Deal found 6/26$653
This Delta deal was found by Cheapflights users on 6/26. 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.
Sat 11/146:35 pm
SJU
-
DUB
1 stop33h 10m
Delta
Thu 11/195:45 am
DUB
-
SJU
2 stops22h 10m
Delta
Deal found 6/26$659
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Sat 11/147:35 pm
SJU
-
DUB
1 stop31h 55m
United Airlines
Wed 11/1812:05 pm
DUB
-
SJU
1 stop14h 17m
United Airlines
Deal found 6/26$662
This British Airways deal was found by Cheapflights users on 6/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:55 pm
SJU
-
DUB
2 stops16h 45m
Multiple Airlines
Sat 11/149:50 am
DUB
-
SJU
1 stop14h 10m
Multiple Airlines
Deal found 6/23$692
This United deal was found by Cheapflights users on 6/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:05 pm
SJU
-
DUB
1 stop12h 25m
Multiple Airlines
Sat 11/219:00 am
DUB
-
SJU
1 stop33h 25m
Multiple Airlines
Deal found 6/22$697
This KLM deal was found by Cheapflights users on 6/26. 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.
Tue 11/101:55 pm
SJU
-
DUB
1 stop13h 50m
KLM
Sat 11/218:50 am
DUB
-
SJU
2 stops19h 05m
KLM
Deal found 6/26$698
This KLM deal was found by Cheapflights users on 6/22. 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.
Wed 11/47:00 am
SJU
-
DUB
1 stop21h 45m
KLM
Sat 11/149:40 am
DUB
-
SJU
1 stop17h 33m
KLM
Deal found 6/22$700
This Delta deal was found by Cheapflights users on 6/26. 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 11/131:55 pm
SJU
-
DUB
1 stop13h 50m
Delta
Fri 11/209:45 am
DUB
-
SJU
1 stop17h 28m
Delta
Deal found 6/26$701
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Wed 10/213:50 pm
SJU
-
DUB
2 stops16h 05m
American Airlines
Sun 11/16:35 pm
DUB
-
SJU
1 stop26h 05m
American Airlines
Deal found 6/24$702

Find 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 26, 2026.

Round-trip from

$644
(United)

One-way from

$306
(KLM)

Popular in

August

Cheapest in

October

Average price

$834
From San Juan to Dublin
One-way flight from San Juan to Dublin
Highest demand for flights based on searches. 15% potential increase in price ($119 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 26, 2026.
Use the filters below to find and compare flights from San Juan to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Wed 11/4

12:55 pm-9:40 am

2 stops16h 45m

Dublin

Sat 11/14

8:55 am-11:47 pm

2 stops18h 52m

$710

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Sat 10/31

3:55 pm-7:30 am

2 stops35h 35m

Dublin

Sun 11/8

12:05 pm-10:22 pm

1 stop14h 17m

$715

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Wed 9/2

2:55 pm-11:10 am

1 stop15h 15m

Dublin

Tue 9/8

9:20 am-11:50 pm

2 stops19h 30m

$719

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Tue 9/1

4:55 pm-10:40 am

1 stop12h 45m

Dublin

Fri 9/11

9:20 am-11:50 pm

2 stops19h 30m

$724

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Tue 9/1

7:30 am-8:20 am

2 stops19h 50m

Dublin

Sun 9/13

8:55 am-11:44 pm

2 stops19h 49m

$741
Quickest round-trip

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Tue 9/1

4:55 pm-10:40 am

1 stop12h 45m

Dublin

Sun 9/13

9:30 am-11:50 pm

1 stop19h 20m

$745
Cheapest one-way

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Tue 9/29

7:00 am-9:15 am

2 stops21h 15m

$306

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Tue 9/29

7:00 am-8:45 am

1 stop20h 45m

$306

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Wed 10/28

7:05 am-9:55 am

2 stops22h 50m

$307

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Mon 11/2

7:30 am-8:45 am

2 stops21h 15m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 17 resultsSorted by cheapest first
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

How much does it cost to fly round-trip from San Juan to Dublin?

How far ahead should I book a flight from San Juan to Dublin?

The best time to book flights from San Juan to Dublin is 49 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 26, 2026.
Get a feel of what it's like to fly with KLM,Delta, andUnited 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.

Overall

7.8

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Overall

7.8

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Overall

7.8

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Overall

7.8

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Overall

7.8

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Overall

7.8

Comfort

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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.

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

    Departing from San Juan to Dublin will take you 16h 45m. 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 American Airlines and Delta - these airlines can fly you to your destination from $371 and $380, respectively. You may be able to fly from San Juan to Dublin for 75% 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.

See more FAQs

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Castleknock

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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.

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 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$160Average$663FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$371Average$569FlexibilityNo cancel feeOn-time71%
DeltaCheapest$380Average$833FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$430Average$646FlexibilityNo cancel feeOn-time69%
KLMCheapest$468Average$636FlexibilityNo cancel feeOn-time75%

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