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Cheap flights from Ireland to San Juan from £496

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SJU
9 Feb — 16 Feb1
1 adult

Cheap flight deals from Ireland to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Ireland (IE0) to San Juan (PR1). 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 4 February 2025.

Round-trip from

£496

Popular in

June

Cheapest in

May

Average price

£703
KLM
  • KLM
  • 4/3-11/3
  • 4 total stops
  • 38h 19m total
  • Ireland to San Juan
Highest demand for flights based on searches. 4% potential increase in price (£25 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in February 2025

Find flight deals from Ireland to San Juan

Cheapest flights from Ireland to San Juan
Explore the most affordable flight options available from Ireland to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 February 2025.

Tue 4/308:50DUB - SJU
2 stops19h 09mKLM
Tue 11/313:30SJU - DUB
2 stops19h 10mKLM
Deal found 2/2£496
Sat 3/511:30DUB - SJU
1 stop18h 50mJetBlue
Sat 10/512:30SJU - DUB
1 stop14h 50mJetBlue
Deal found 3/2£501
Mon 3/308:50DUB - SJU
2 stops19h 09mDelta
Tue 18/313:30SJU - DUB
1 stop14h 55mDelta
Deal found 2/2£519
Tue 4/310:45DUB - SJU
1 stop17h 14mMultiple Airlines
Tue 11/307:45SJU - DUB
1 stop21h 00mMultiple Airlines
Deal found 2/2£583
Sat 3/505:30DUB - SJU
2 stops26h 28mTAP AIR PORTUGAL
Sat 10/510:18SJU - DUB
2 stops32h 47mTAP AIR PORTUGAL
Deal found 3/2£692
Thu 20/311:50DUB - SJU
1 stop28h 27mUnited Airlines
Wed 26/301:05SJU - DUB
2 stops25h 05mUnited Airlines
Deal found 3/2£723
Tue 4/311:10DUB - SJU
1 stop14h 40mAer Lingus
Mon 10/301:05SJU - DUB
1 stop24h 00mAer Lingus
Deal found 2/2£1,696

Find flights from Ireland to San Juan within your budget

Customise your flight search to find flights from Ireland to San Juan 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 858,174 searches. Data last updated 4 February 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 4/3

08:50-23:59

2 stops19h 09m

San Juan Luis Munoz Marin Intl

Tue 11/3

13:30-12:40

2 stops19h 10m

£496

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 3/5

11:30-01:20

1 stop18h 50m

San Juan Luis Munoz Marin Intl

Sat 10/5

12:30-08:20

1 stop14h 50m

£501

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Mon 3/3

08:50-23:59

2 stops19h 09m

San Juan Luis Munoz Marin Intl

Tue 18/3

13:30-08:25

1 stop14h 55m

£519

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 4/3

10:45-23:59

1 stop17h 14m

San Juan Luis Munoz Marin Intl

Tue 11/3

07:45-08:45

1 stop21h 00m

£583

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Sat 3/5

05:30-02:58

2 stops26h 28m

San Juan Luis Munoz Marin Intl

Sat 10/5

10:18-00:05

2 stops32h 47m

£692

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Thu 20/3

11:50-12:17

1 stop28h 27m

San Juan Luis Munoz Marin Intl

Wed 26/3

01:05-06:10

2 stops25h 05m

£723

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Tue 4/3

11:10-21:50

1 stop14h 40m

San Juan Luis Munoz Marin Intl

Mon 10/3

01:05-05:05

1 stop24h 00m

£1,696

Flights are sorted by cheapest return flights first.

Deals found on 2/2

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
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.

Travel insights for flights from Ireland to San Juan

Get recent, data-driven insights about flights from Ireland to San Juan including ideal travel times, pricing trends, and more.

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

Currently, April is the cheapest month in which you can book a flight from Ireland to San Juan (average of £631). Flying from Ireland to San Juan in July is currently the most expensive (average of £1,027). 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.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 55.0 - 156.0 inches per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit San Juan when rainfall is around 55.0 mm.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated 4 February 2025.

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Matt,Sept 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.

8.0
Very Good

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Matt,Sept 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Matt,Sept 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Matt,Sept 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Matt,Sept 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.

Boarding

8.2

Overall

8.0

Comfort

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20

10.0
Excellent

Matt,Sept 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.

Related info for your journey

Find useful and relevant information for your journey from Ireland to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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, April is the cheapest month in which you can book a flight from Ireland to San Juan (average of £631). Flying from Ireland to San Juan in July is currently the most expensive (average of £1,027). 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.

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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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