How does KAYAK find such low prices on flights from Ireland to Puerto Rico?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ireland to Puerto Rico. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ireland to Puerto Rico?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ireland to Puerto Rico is likely to change within 7 days, so travellers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Ireland to Puerto Rico?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Ireland to Puerto Rico with an airline and back with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ireland to Puerto Rico?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ireland to Puerto Rico up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

€270 Book CHEAP FLIGHTS to Puerto Rico

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Low season	November
High season	July
Cheapest flight	€270

Best time to beat the crowds (11% less expensive on average)

Most popular time to fly (16% more expensive on average)

Flight from Dublin to San Juan

How does KAYAK find such low prices on flights from Ireland to Puerto Rico?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ireland to Puerto Rico.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ireland to Puerto Rico?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ireland to Puerto Rico is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from Ireland to Puerto Rico?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Ireland to Puerto Rico with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ireland to Puerto Rico?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ireland to Puerto Rico up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

High season is considered to be May, June and July. The cheapest month to fly from Ireland is May.
Enter your preferred departure airport and travel dates into the search form above to unlock the latest Puerto Rico flight deals.

Book Cheap Puerto Rico Plane Tickets

Recent return flight deals

7/3Fri

1 stopBritish Airways

13h 48mDUB-SJU

11/3Tue

2 stopsBritish Airways

17h 55mSJU-DUB

€559

7/3Fri

1 stopAmerican Airlines

13h 48mDUB-SJU

11/3Tue

2 stopsAmerican Airlines

16h 10mSJU-DUB

€566

8/3Sat

2 stopsDelta

22h 04mDUB-SJU

24/3Mon

2 stopsDelta

22h 10mSJU-DUB

€649

8/3Sat

2 stopsDelta

31h 03mDUB-SJU

24/3Mon

2 stopsDelta

20h 40mSJU-DUB

€655

2/4Wed

3 stops

31h 32mDUB-SJU

8/4Tue

3 stops

37h 19mSJU-DUB

€659

2/4Wed

3 stops

31h 32mDUB-SJU

8/4Tue

2 stops

35h 28mSJU-DUB

€666

5/4Sat

2 stopsKLM

33h 47mDUB-SJU

12/4Sat

2 stopsKLM

34h 55mSJU-DUB

€723

5/4Sat

1 stopKLM

15h 44mDUB-SJU

12/4Sat

2 stopsKLM

34h 55mSJU-DUB

€726

2/4Wed

1 stopAer Lingus

12h 12mDUB-SJU

8/4Tue

1 stopAer Lingus

22h 30mSJU-DUB

€744

5/4Sat

1 stopAer Lingus

14h 50mDUB-SJU

11/4Fri

1 stopAer Lingus

22h 30mSJU-DUB

€999

Recent one-way flight deals

1/4Tue

2 stops

49h 57mDUB-SJU

€270

1/4Tue

3 stops

46h 32mDUB-SJU

€291

2/4Wed

3 stops

36h 27mDUB-SJU

€293

2/4Wed

2 stops

37h 57mDUB-SJU

€297

3/4Thu

2 stops

44h 37mDUB-SJU

€301

4/4Fri

3 stops

40h 52mDUB-SJU

€325

3/4Thu

3 stops

42h 32mDUB-SJU

€329

4/4Fri

2 stops

32h 12mDUB-SJU

€342

5/4Sat

1 stopWestJet

30h 35mDUB-SJU

€543

1/4Tue

1 stopAmerican Airlines

32h 10mDUB-SJU

€647

Last minute flights to Puerto Rico

Last minute flight, train and bus deals

21/2Fri

multi-stopUnited Airlines

14h 32mDUB-SJU

28/2Fri

multi-stopUnited Airlines

12h 15mSJU-DUB

€915

Everything you need to know for your flight to Puerto Rico

Cabin class types available on flights to Puerto Rico

First Class Flights to Puerto Rico

Business Class Flights to Puerto Rico

Prem Econ Class Flights to Puerto Rico

Economy class Flights to Puerto Rico

€270 Find Cheap Flights to Puerto Rico

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ireland to Puerto Rico departing on 1/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

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Good to know

Low season

High season

Cheapest flight

FAQs - booking Puerto Rico flights

How does KAYAK find such low prices on flights from Ireland to Puerto Rico?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ireland to Puerto Rico?

What is the Hacker Fare option on flights from Ireland to Puerto Rico?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ireland to Puerto Rico?

Top tips for finding cheap flights to Puerto Rico

Book Cheap Puerto Rico Plane Tickets

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Everything you need to know for your flight to Puerto Rico

Cabin class types available on flights to Puerto Rico

Cabin classes available on flights to Puerto Rico. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Flights from domestic origins to Puerto Rico

Flights from all regions of Ireland to Puerto Rico. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Flights to popular cities in Puerto Rico

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