€342 Cheap Flights to Puerto Rico in 2025/26

1 adult

0 bags

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Recent flights found to popular cities in Puerto Rico

Find flights to these popular cities in Puerto Rico from your nearest airport.

Flights to San Juan

Search all flight deals to San Juan

American Airlines

27 Feb

DUB

16h 14m

1 stop

SJU

3 Mar

SJU

19h 09m

2 stops

DUB

€619

Find similar

American Airlines

27 Feb

DUB

28h 25m

2 stops

SJU

3 Mar

SJU

19h 09m

2 stops

DUB

€619

Find similar

American Airlines

27 Feb

DUB

26h 37m

2 stops

SJU

3 Mar

SJU

19h 09m

2 stops

DUB

€623

Find similar

American Airlines

27 Feb

DUB

16h 14m

1 stop

SJU

3 Mar

SJU

14h 02m

1 stop

DUB

€635

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American Airlines

27 Feb

DUB

16h 14m

1 stop

SJU

3 Mar

SJU

14h 02m

1 stop

DUB

€636

Find similar

American Airlines

27 Feb

DUB

16h 14m

1 stop

SJU

3 Mar

SJU

14h 02m

1 stop

DUB

€640

Find similar

Delta

8 Apr

DUB

15h 58m

1 stop

SJU

24 Apr

SJU

22h 00m

2 stops

DUB

€668

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Delta

8 Apr

DUB

13h 29m

1 stop

SJU

24 Apr

SJU

22h 00m

2 stops

DUB

€669

Find similar

Multiple Airlines

8 Apr

DUB

15h 58m

1 stop

SJU

24 Apr

SJU

34h 30m

1 stop

DUB

€673

Find similar

Multiple Airlines

8 Apr

DUB

15h 58m

1 stop

SJU

24 Apr

SJU

34h 30m

1 stop

DUB

€674

Find similar

American Airlines

8 Apr

DUB

15h 15m

2 stops

SJU

24 Apr

SJU

19h 05m

2 stops

DUB

€689

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Multiple Airlines

22 Dec

DUB

16h 29m

1 stop

SJU

18 Jan

SJU

11h 20m

1 stop

DUB

€751

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Find the cheapest flights from Ireland to Puerto Rico

Round-trip

One-way

Recent return flight deals from Ireland to Puerto Rico

Enter your travel dates to find the best prices.

11:30 - 23:44

DUB

SJU

16h 14m1 stop

17:51 - 17:00

SJU

DUB

19h 09m2 stops

€619American Airlines

Fri, 27 Feb - Tue, 3 Mar

11:30 - 23:44

DUB

SJU

16h 14m1 stop

15:54 - 17:00

SJU

DUB

21h 06m2 stops

€619American Airlines

Fri, 27 Feb - Tue, 3 Mar

11:30 - 10:07

DUB

SJU

26h 37m2 stops

17:51 - 17:00

SJU

DUB

19h 09m2 stops

€623American Airlines

Fri, 27 Feb - Tue, 3 Mar

11:30 - 23:44

DUB

SJU

16h 14m1 stop

14:38 - 08:40

SJU

DUB

14h 02m1 stop

€635American Airlines

Fri, 27 Feb - Tue, 3 Mar

11:30 - 23:44

DUB

SJU

16h 14m1 stop

14:38 - 08:40

SJU

DUB

14h 02m1 stop

€636American Airlines

Fri, 27 Feb - Tue, 3 Mar

11:30 - 23:44

DUB

SJU

16h 14m1 stop

14:38 - 08:40

SJU

DUB

14h 02m1 stop

€640American Airlines

Fri, 27 Feb - Tue, 3 Mar

11:00 - 21:58

DUB

SJU

15h 58m1 stop

06:15 - 09:15

SJU

DUB

22h 00m2 stops

€668Delta

Wed, 8 Apr - Fri, 24 Apr

11:00 - 19:29

DUB

SJU

13h 29m1 stop

06:15 - 09:15

SJU

DUB

22h 00m2 stops

€669Delta

Wed, 8 Apr - Fri, 24 Apr

11:00 - 21:58

DUB

SJU

15h 58m1 stop

17:45 - 09:15

SJU

DUB

34h 30m1 stop

€673Multiple Airlines

Wed, 8 Apr - Fri, 24 Apr

11:00 - 21:58

DUB

SJU

15h 58m1 stop

17:45 - 09:15

SJU

DUB

34h 30m1 stop

€674Multiple Airlines

Wed, 8 Apr - Fri, 24 Apr

Fly from

Route

Depart

Return

Price

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 27/2

11:30-23:44

1 stop16h 14m

San Juan Luis Munoz Marin Intl

Tue 3/3

17:51-17:00

2 stops19h 09m

€619

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 27/2

11:30-23:44

1 stop16h 14m

San Juan Luis Munoz Marin Intl

Tue 3/3

15:54-17:00

2 stops21h 06m

€619

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 27/2

11:30-10:07

2 stops26h 37m

San Juan Luis Munoz Marin Intl

Tue 3/3

17:51-17:00

2 stops19h 09m

€623

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 27/2

11:30-23:44

1 stop16h 14m

San Juan Luis Munoz Marin Intl

Tue 3/3

14:38-08:40

1 stop14h 02m

€635

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 27/2

11:30-23:44

1 stop16h 14m

San Juan Luis Munoz Marin Intl

Tue 3/3

14:38-08:40

1 stop14h 02m

€636

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Fri 27/2

11:30-23:44

1 stop16h 14m

San Juan Luis Munoz Marin Intl

Tue 3/3

14:38-08:40

1 stop14h 02m

€640

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 8/4

11:00-21:58

1 stop15h 58m

San Juan Luis Munoz Marin Intl

Fri 24/4

06:15-09:15

2 stops22h 00m

€668

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 8/4

11:00-19:29

1 stop13h 29m

San Juan Luis Munoz Marin Intl

Fri 24/4

06:15-09:15

2 stops22h 00m

€669

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 8/4

11:00-21:58

1 stop15h 58m

San Juan Luis Munoz Marin Intl

Fri 24/4

17:45-09:15

1 stop34h 30m

€673

DublinSan Juan

DUB - SJU

DUBSJU

Dublin

Wed 8/4

11:00-21:58

1 stop15h 58m

San Juan Luis Munoz Marin Intl

Fri 24/4

17:45-09:15

1 stop34h 30m

€674

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Puerto Rico flights insights and trends

Explore insights for your Puerto Rico flight to craft the best travel plan

Cheapest flights to cities in Puerto Rico

Click on the cities below to find out when it's cheapest to fly to Puerto Rico from Ireland

San Juan

Find flights to San Juan

Cheap Puerto Rico flight deals and tips

Summary info about Puerto Rico flight prices, duration and airlines

Best One-Way Price	€342
Best Round-Trip Price	€619
Fastest flight time	37h 50m
Popular in	March

The best one-way flight price to Puerto Rico from Ireland in the last 72 hours is €342 (Dublin to San Juan Luis Munoz Marin Intl).

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The best round-trip flight price to Puerto Rico from Ireland in the last 72 hours is €619 (Dublin to San Juan Luis Munoz Marin Intl).

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The fastest flight to Puerto Rico from Ireland takes 37h 50m (Dublin to San Juan Luis Munoz Marin Intl).

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March has the highest demand for flights to Puerto Rico, with a 12% price increase on average.

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Frequently asked questions about flying to Puerto Rico

What is the most popular airport in Puerto Rico to fly to?

San Juan Luis Munoz Marin Intl is the most popular airport in Puerto Rico to fly to, with 93% of all users travelling to Puerto Rico opting to take a flight into this airport. If you’re interested in staying in San Juan, which is the city in Puerto Rico that is closest to San Juan Luis Munoz Marin Intl, then be sure to check momondo for cheap flight deals.

How long is the flight from Ireland to Puerto Rico?

The average flight duration from Ireland to Puerto Rico depends on which airport you fly into and out of. Flying from Dublin to San Juan Luis Munoz Marin Intl is 15h 01m on average, while flying from Cork to San Juan Luis Munoz Marin Intl is on average. San Juan Luis Munoz Marin Intl is the most popular airport in Puerto Rico.

What is the best day of the week to fly to Puerto Rico?

Flying to Puerto Rico on a Monday or Wednesday is your best option since this is when flight prices tend to be at their lowest for the week. The most expensive day of the week to fly to Puerto Rico is on a Saturday.

When did momondo last update prices for flights to Puerto Rico?

Prices for flights to Puerto Rico are refreshed on a daily basis.

How many operators does momondo search for flights to Puerto Rico?

As of December 2025, there are 2 operators available to choose from for flights to Puerto Rico.

How old do you have to be to fly to Puerto Rico?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Puerto Rico.

What documentation or ID do you need to fly to Puerto Rico?

The travel and health documents required for your trip to Puerto Rico can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Puerto Rico. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal to Puerto Rico?

It is quick and easy to find flights to Puerto Rico on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Puerto Rico that suits you.

Can I find flights to Puerto Rico with flexible booking policies on momondo?

Flights to Puerto Rico with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights to Puerto Rico?

Once you have performed a search for flights to Puerto Rico, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.