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$406+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DUB
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Round-trip from

$587
(American Airlines)

One-way from

$406
(United Airlines)

Popular in

April

Cheapest in

November

Average price

$1,046
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. 4% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 10/281:10 pmSJU - DUB
1 stop15h 35mDelta
Tue 11/1110:45 amDUB - SJU
1 stop17h 05mDelta
Deal found 4/29$519
This Finnair deal was found by Cheapflights users on 4/29. 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 10/2812:00 pmSJU - DUB
2 stops16h 40mMultiple Airlines
Tue 11/1111:30 amDUB - SJU
2 stops18h 40mMultiple Airlines
Deal found 4/29$523
This United Airlines deal was found by Cheapflights users on 4/29. 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
2 stops16h 46mUnited Airlines
Deal found 4/29$530
This American Airlines deal was found by Cheapflights users on 4/29. 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 10/255:55 pmSJU - DUB
1 stop20h 10mAmerican Airlines
Sun 11/22:05 pmDUB - SJU
1 stop19h 00mAmerican Airlines
Deal found 4/29$587
This JetBlue deal was found by Cheapflights users on 4/29. 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 4/29$604
This KAYAK deal was found by Cheapflights users on 4/29. 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 10/243:15 amSJU - DUB
1 stop20h 10mAer Lingus
Sun 11/24:45 pmDUB - SJU
1 stop14h 00mAer Lingus
Deal found 4/29$789
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Thu 11/132:05 amSJU - DUB
2 stops25h 05mAir Canada
Wed 11/269:00 amDUB - SJU
2 stops31h 49mAir Canada
Deal found 4/29$860
This KLM deal was found by Cheapflights users on 4/29. 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 11/192:26 pmSJU - DUB
2 stops18h 14mKLM
Sat 11/298:50 amDUB - SJU
2 stops19h 00mKLM
Deal found 4/29$890
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/29. 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 11/197:10 amSJU - DUB
2 stops36h 10mTAP AIR PORTUGAL
Fri 11/284:25 amDUB - SJU
2 stops26h 52mTAP AIR PORTUGAL
Deal found 4/29$1,336

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 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

Sat 10/25

5:55 pm-7:05 pm

1 stop20h 10m

Dublin

Sun 11/2

2:05 pm-5:05 am

1 stop19h 00m

$587

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Mon 9/22

11:30 am-8:20 am

1 stop15h 50m

Dublin

Tue 9/30

11:30 am-9:18 pm

1 stop14h 48m

$604

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Sat 10/25

1:30 pm-11:05 am

2 stops16h 35m

Dublin

Sun 11/2

11:50 am-12:36 am

2 stops16h 46m

$623

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Fri 10/24

3:15 am-4:25 am

1 stop20h 10m

Dublin

Sun 11/2

4:45 pm-2:45 am

1 stop14h 00m

$789

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Tue 5/13

3:33 am-12:35 pm

2 stops28h 02m

Dublin

Mon 5/26

10:35 am-12:44 pm

2 stops31h 09m

$1,099

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Tue 7/1

1:05 am-7:45 am

2 stops25h 40m

Dublin

Sun 7/6

9:50 am-11:57 pm

2 stops19h 07m

$1,429

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Mon 10/13

1:05 am-7:10 am

2 stops25h 05m

$406

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Thu 7/3

12:55 pm-9:00 am

1 stop15h 05m

$520

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Thu 7/10

3:25 am-4:25 am

1 stop20h 00m

$693

San JuanDublin

SJU - DUB

SJUDUB

San Juan Luis Munoz Marin Intl

Wed 7/2

1:05 am-4:55 am

1 stop22h 50m

$833

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 $981). 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 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.

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 30, 2025.
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
9,244 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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 $587, American Airlines will fly you from San Juan to Dublin and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from JetBlue and Delta - these airlines can fly you to your destination from $604 and $623, respectively. You may be able to fly from San Juan to Dublin for 22% 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 $406. JetBlue flights start at $520 while deals on Aer Lingus start at $693 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 $981). 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 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$397Average$546FlexibilityNo cancel feeOn-time75%
DeltaCheapest$397Average$990FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$449Average$900FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$556Average$770FlexibilityNo cancel feeOn-time62%

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