€307 Find Cheap Flights from Puerto Rico to Ireland – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Puerto Rico to Ireland departing on 10/8. 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.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Puerto Rico to Ireland

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Puerto Rico to Ireland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Puerto Rico to Ireland

Sun, 25 Oct - Wed, 4 Nov
American Airlines Logo
07:30 - 08:30
SJU
-
DUB
21h 00m
1 stop
American Airlines Logo
09:50 - 20:00
DUB
-
SJU
14h 10m
1 stop
€572American Airlines
Sun, 25 Oct - Tue, 3 Nov
United Airlines Logo
13:35 - 07:30
SJU
-
DUB
13h 55m
1 stop
United Airlines Logo
09:30 - 00:36
DUB
-
SJU
19h 06m
1 stop
€581United Airlines
Sun, 25 Oct - Tue, 3 Nov
Delta Logo
07:15 - 07:55
SJU
-
DUB
20h 40m
2 stops
Delta Logo
10:45 - 23:18
DUB
-
SJU
16h 33m
2 stops
€585Delta
Sun, 1 Nov - Mon, 9 Nov
Lufthansa Logo
14:35 - 07:30
SJU
-
DUB
12h 55m
1 stop
Lufthansa Logo
17:15 - 00:36
DUB
-
SJU
35h 21m
2 stops
€595Lufthansa
Tue, 1 Sep - Fri, 11 Sep
JetBlue Logo
13:13 - 09:00
SJU
-
DUB
14h 47m
1 stop
JetBlue Logo
10:40 - 22:27
DUB
-
SJU
16h 47m
1 stop
€596JetBlue
Sun, 13 Sep - Sun, 20 Sep
JetBlue Logo
06:00 - 09:00
SJU
-
DUB
22h 00m
1 stop
JetBlue Logo
11:30 - 19:34
DUB
-
SJU
13h 04m
1 stop
€610JetBlue
Wed, 4 Nov - Sat, 14 Nov
American Airlines Logo
08:30 - 08:30
SJU
-
DUB
20h 00m
1 stop
American Airlines Logo
09:50 - 20:00
DUB
-
SJU
14h 10m
1 stop
€611American Airlines
Wed, 4 Nov - Sat, 14 Nov
American Airlines Logo
08:30 - 08:30
SJU
-
DUB
20h 00m
1 stop
American Airlines Logo
09:50 - 20:00
DUB
-
SJU
14h 10m
1 stop
€615American Airlines
Sun, 1 Nov - Mon, 9 Nov
United Airlines Logo
08:05 - 10:20
SJU
-
DUB
22h 15m
1 stop
United Airlines Logo
09:00 - 11:50
DUB
-
SJU
30h 50m
2 stops
€617United Airlines
Wed, 4 Nov - Sat, 14 Nov
American Airlines Logo
12:59 - 08:30
SJU
-
DUB
15h 31m
2 stops
American Airlines Logo
09:50 - 20:00
DUB
-
SJU
14h 10m
1 stop
€620American Airlines
Booking Insights

KAYAK's insights & trends for flights to Ireland

Get data-powered insights and trends into flights to Ireland to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Puerto Rico to Ireland?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Puerto Rico to Ireland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Puerto Rico to Ireland is March, when tickets cost €236 (return) on average. On the other hand, the most expensive months are November and August, when the average cost of round-trip tickets is €702 and €639 respectively.

How far in advance should I book a flight from Puerto Rico to Ireland?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Ireland, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on the flight from Puerto Rico to Ireland, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Find deals

Good to know

Low season

October

Cheapest flight

€307
Best time to beat the crowds (43% less expensive on average)
Most popular time to fly (25% more expensive on average)
Flight from San Juan to Dublin

FAQs for booking flights from Puerto Rico to Ireland

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

    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 Puerto Rico to Ireland.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Puerto Rico to Ireland 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 Puerto Rico to Ireland?

    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 Puerto Rico to Ireland 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 Puerto Rico to Ireland?

    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 Puerto Rico to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Ireland

Cabin class types available on flights to Ireland

Cabin classes available on flights to Ireland. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class Flights to Ireland
Business Class Flights to Ireland
Premium Economy Class Flights to Ireland
Economy class Flights to Ireland