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Cheap flights from Ireland to San Juan from £541

DUB — SJU
7 Oct — 14 Oct1
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 22/911:10 -
2 stops17h 39m
Sat 3/1014:10 -
1 stop15h 35m
Deal found 3/9£541
Thu 29/1010:45 -
1 stop16h 59m
Wed 11/1107:00 -
1 stop21h 45m
Deal found 7/9£547
Tue 22/913:15 -
1 stop15h 34m
Sat 3/1013:16 -
1 stop14h 59m
Deal found 3/9£547
Fri 25/913:15 -
1 stop15h 34m
Sun 27/914:10 -
1 stop15h 35m
Deal found 3/9£548
Wed 21/1008:55 -
2 stops19h 49m
Wed 28/1014:02 -
2 stops18h 38m
Deal found 6/9£553
Fri 23/1011:10 -
2 stops17h 34m
Tue 27/1013:15 -
1 stop15h 30m
Deal found 5/9£554
Sun 18/1015:00 -
1 stop26h 52m
Sun 25/1014:02 -
1 stop15h 43m
Deal found 3/9£583

Find flight deals from Ireland to San Juan

Round-trip from

£541

Popular in

July

Cheapest in

May

Average price

£588
Delta
  • Delta
  • 22/9-3/10
  • 4 total stops
  • 35h 58m 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).
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Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

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

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Route

Depart

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Price

Cheapest return flight

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Tue 22/9

11:10-23:49

2 stops17h 39m

San Juan Luis Munoz Marin Intl

Sat 3/10

14:10-10:45

1 stop15h 35m

£541

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Thu 29/10

10:45-23:44

1 stop16h 59m

San Juan Luis Munoz Marin Intl

Wed 11/11

07:00-08:45

1 stop21h 45m

£547

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Thu 17/9

11:00-22:19

1 stop16h 19m

San Juan Luis Munoz Marin Intl

Sun 20/9

14:10-10:45

1 stop15h 35m

£548

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Mon 12/10

10:40-13:50

2 stops32h 10m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£586

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Sun 20/9

10:45-19:34

2 stops37h 49m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£817
Fastest return journey

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Thu 17/9

11:30-19:34

1 stop13h 04m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£1,954

DublinSan Juan

DUB Dublin - SJU San Juan Luis Munoz Marin Intl

DUBSJU

Dublin

Fri 18/9

10:40-22:27

1 stop16h 47m

San Juan Luis Munoz Marin Intl

Wed 31/12

00:00-05:00

Nonstop0h 00m

£1,954

Flights are sorted by cheapest return flights first.

Deals found on 4/9

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

No data available for this route at this time. Please check back soon.

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.

See more FAQs

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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?

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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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