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Cheap flights from Ireland to San Juan from £508

DUB — SJU
19 Sep — 26 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to San Juan

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to San Juan

Tue 22/911:30 -
1 stop13h 04m
Sat 3/1006:00 -
1 stop22h 00m
Deal found 16/8£565
Sat 12/909:50 -
1 stop13h 55m
Sat 19/914:22 -
2 stops15h 58m
Deal found 17/8£635
Tue 22/911:10 -
2 stops17h 39m
Sat 3/1014:10 -
1 stop15h 35m
Deal found 16/8£657
Mon 21/905:55 -
2 stops22h 54m
Tue 6/1007:15 -
2 stops19h 40m
Deal found 16/8£658
Mon 7/911:00 -
1 stop16h 29m
Sun 13/907:30 -
2 stops19h 50m
Deal found 18/8£664
Wed 23/911:00 -
1 stop16h 19m
Fri 2/1014:10 -
1 stop15h 35m
Deal found 19/8£664
Tue 1/911:00 -
1 stop16h 29m
Mon 7/907:30 -
1 stop20h 45m
Deal found 19/8£665
Thu 27/813:15 -
2 stops27h 31m
Wed 9/907:00 -
2 stops22h 00m
Deal found 18/8£666
Sat 12/908:55 -
2 stops19h 54m
Sat 19/914:30 -
1 stop14h 30m
Deal found 20/8£668
Fri 25/911:10 -
2 stops17h 39m
Thu 8/1006:45 -
2 stops23h 00m
Deal found 17/8£675
Thu 27/811:10 -
2 stops29h 58m
Thu 10/913:16 -
2 stops22h 24m
Deal found 17/8£677

Find flight deals from Ireland to San Juan

Round-trip from

£565

One-way from

£508

Popular in

July

Cheapest in

May

Average price

£617
JetBlue
  • JetBlue
  • 22/9-3/10
  • 2 total stops
  • 35h 04m total
  • Ireland to San Juan
Search Deals
British Airways
  • British Airways
  • 12/10
  • 2 total stops
  • 18h 22m total
  • Ireland to San Juan
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ireland to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Sat 12/9

09:50-18:45

1 stop13h 55m

San Juan Luis Munoz Marin Intl

Sat 19/9

14:22-11:20

2 stops15h 58m

£635

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Tue 22/9

08:55-23:49

2 stops19h 54m

San Juan Luis Munoz Marin Intl

Sat 3/10

12:56-10:00

2 stops16h 04m

£657

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Wed 23/9

11:10-23:49

2 stops17h 39m

San Juan Luis Munoz Marin Intl

Fri 2/10

13:16-10:00

1 stop15h 44m

£658

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Wed 23/9

11:00-22:19

1 stop16h 19m

San Juan Luis Munoz Marin Intl

Fri 2/10

14:10-10:45

1 stop15h 35m

£664

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Sat 12/9

08:55-23:49

2 stops19h 54m

San Juan Luis Munoz Marin Intl

Sat 19/9

12:56-08:45

1 stop14h 49m

£666

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Fri 25/9

11:10-23:49

2 stops17h 39m

San Juan Luis Munoz Marin Intl

Thu 8/10

06:45-10:45

2 stops23h 00m

£675

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Wed 30/9

12:30-12:34

1 stop29h 04m

San Juan Luis Munoz Marin Intl

Wed 7/10

16:55-10:40

1 stop12h 45m

£809
Cheapest one-way
Fastest single journey

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Mon 12/10

08:40-22:02

2 stops18h 22m

£508

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Sun 20/9

06:30-20:47

2 stops19h 17m

£670

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Sorted by cheapest first

Best time to book a flight from Ireland to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Ireland with our price prediction graph.
Estimated return price

Cheapflights Insights

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

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

Currently, May is the cheapest month in which you can book a flight from Ireland to San Juan (average of £469). Flying from Ireland to San Juan in July is currently the most expensive (average of £725). 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.

Reviews of airlines servicing San Juan

Get a feel of what it's like to fly with American Airlines from Ireland to San Juan by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,969 reviews
Check prices

Crew

7.9

Overall

7.1

Entertainment

6.8

Boarding

7.5

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Hiram K,Sept 2023

JFK - CLT

Worst Airlines - services suck. Stuck at JFK whole night with 2 small kids - they didnt care even infant baby. Never ever fly American Airlines again - Peace !!
American Airlines
7.1
Good
11,969 reviews
American Airlines
7.1
Good
11,969 reviews
Check prices

Crew

7.9

Overall

7.1

Entertainment

6.8

Boarding

7.5

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Hiram K,Sept 2023

JFK - CLT

Worst Airlines - services suck. Stuck at JFK whole night with 2 small kids - they didnt care even infant baby. Never ever fly American Airlines again - Peace !!

Related info for your journey

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

    Departing from Ireland to San Juan will take you 19h 54m. Airlines will cover a distance of 3963 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ireland to San Juan 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 Ireland to San Juan?

    Currently, May is the cheapest month in which you can book a flight from Ireland to San Juan (average of £469). Flying from Ireland to San Juan in July is currently the most expensive (average of £725). 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

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Ireland to San Juan

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£572Average£687FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ireland to San Juan?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ireland to San Juan. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ireland to San Juan?

Cheapflights simply makes it quick and affordable to book flights from Ireland to San Juan by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ireland to San Juan with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ireland to San Juan flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ireland to San Juan become cheaper?

Yes, Cheapflights offers price alerts on Ireland to San Juan flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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