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Cheap Flights from San Juan to Dublin

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Deals from

San Juan

RatePunk searches hundreds of travel sites at once for deals on flights to Dublin

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from San Juan to Dublin

Explore current cheapest deals departing from San Juan to Dublin

Round trip

Sort by: Cheapest

August 3 - August 19

Cheapest

Earliest

SJU - Dublin

$718

$354

Round trip

September 1 - September 8

SJU - Dublin

$691

$355

Round trip

August 12 - August 19

SJU - Dublin

$749

$368

Round trip

August 14 - August 17

Best

SJU - Dublin

$786

$433

Round trip

November 25 - December 2

SJU - Dublin

$542

$446

Round trip

August 17 - August 27

SJU - Dublin

$742

$471

Round trip

October 11 - November 4

SJU - Dublin

$647

$539

Round trip

October 13 - November 4

SJU - Dublin

$647

$539

Round trip

October 14 - November 4

SJU - Dublin

$647

$539

Round trip

November 16 - November 25

SJU - Dublin

$536

$539

Round trip

Unlock all 500+ flight deals to Dublin and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from San Juan to Dublin

For travelers looking for cheap flights from San Juan to Dublin, the cheapest month to fly is typically October, with a median fare of $402. Other cost-effective options include January, where the median fare is $488, and June, with a median of $526. These months offer more budget-friendly opportunities compared to other times of the year.

Fares for this route typically range from $523–$927, with a median of $648. Right now, current fares are significantly above the typical level for this route, and only 11% of recent fares were classified as a good price. New deals show up several times a week, so setting up a price alert can help you track fluctuations.

Most itineraries from San Juan to Dublin connect at least once, as 0% of recent fares were for direct flights from San Juan to Dublin. When a connection is necessary, the typical number of stopovers is 2. This means you should expect to include at least two stops in your travel plans.

A typical journey from San Juan to Dublin takes about 19h 45m, including connections. This duration accounts for the layovers and transfers often involved in traveling this route. Given the connecting nature of most flights, the overall travel time can be substantial.

The distance between San Juan and Dublin is approximately 6,381 kilometers. This makes the route a long-haul journey, indicating a significant travel distance that typically involves extended flight times and often multiple connections.

How much is a round trip from San Juan to Dublin

Regular price: $597 - $1,269

Prices for flights from San Juan to Dublin are currently below the regular range.

The regular price range for this route is between $597 and $1,269. The current lowest deal is $354 with JetBlue Airways, for travel from Aug 3-Aug 19.

now $354

Low $597

High $1,269

The cheapest time to fly from San Juan to Dublin

Flights from San Juan to Dublin are cheapest in October, with a median price of $402. The most expensive month to fly is August, with a median price of $1180. Prices are generally lower from January to December.

October

Cheapest

Flights from $402

August

Most Expensive

Flights from $1,180

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Juan to Dublin

Aer Lingus

JetBlue Airways

United Airlines

American Airlines

Last-minute flights going from San Juan to Dublin

Thu, Jun 18

⌛ Last-Minute

SJU - Dublin

San Juan (SJU) - Dublin (DUB)

JetBlue Airways

$865

$1,892

One-way

Thu, Jun 18

⌛ Last-Minute

SJU - Dublin

San Juan (SJU) - Dublin (DUB)

JetBlue Airways

$846

$1,924

One-way

Thu, Jun 18

⌛ Last-Minute

SJU - Dublin

San Juan (SJU) - Dublin (DUB)

JetBlue Airways

$864

$1,924

One-way

Sun, Jun 21

⌛ Last-Minute

SJU - Dublin

San Juan (SJU) - Dublin (DUB)

American Airlines

$865

$1,065

One-way

Wed, Jul 1

⌛ Last-Minute

SJU - Dublin

San Juan (SJU) - Dublin (DUB)

American Airlines

$815

$1,012

One-way

Wed, Jul 1

⌛ Last-Minute

SJU - Dublin

San Juan (SJU) - Dublin (DUB)

United Airlines

$856

$1,012

One-way

Biggest price drops on these dates for flights from San Juan to Dublin

7 nights

Aug 12 - Aug 19

$749 → $368

51%

16 nights

Aug 3 - Aug 19

$718 → $354

51%

3 nights

Aug 14 - Aug 17

$786 → $433

45%

7 nights

Sep 1 - Sep 8

$691 → $355

49%

Popular Airports to fly from San Juan to Dublin

San Juan - Dublin route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from San Juan to Dublin are above the typical level, with 11% good prices.

📅 Best time to fly

October is historically cheapest at $402

Historically, October is the cheapest month to fly from San Juan to Dublin, with a median price of $402.

⏱️ Flight duration

Connecting flights average 19h 45m

Flights from San Juan to Dublin typically involve 2 stopovers, with a median duration of 19h 45m.

✈️ Airlines & availability

No direct flights available

There are no direct flights available from San Juan to Dublin. All routes include connecting flights.

🏆 Airline highlight

Aer Lingus offers 27 deals

Aer Lingus has offered 27 deals for flights from San Juan to Dublin, making it a frequent option.

🎯 Booking tip

Deals appear regularly

Deals for flights from San Juan to Dublin appear regularly, with 0.43 deals per day.

San Juan main airports to depart from

Luis Muñoz Marín International (SJU)

Cheapest

Fly from SJU for convenient access to flights to Dublin.

📍 ~10 km from San Juan (reachable by car)

💸 Flights from ~$354

Fernando Luis Ribas Dominicci (SIG)

Consider SIG for an alternative departure point for your trip to Dublin.

📍 ~2 km from San Juan (reachable by car)

💸 Flights from ~$354

Dublin main airports to arrive at

Dublin (DUB)

Cheapest

Dublin Airport is a convenient arrival point for flights from San Juan to Dublin.

📍 ~10 km from city center (reachable by car)

💸 Flights from ~$310

Airports nearby Dublin used as alternative

Belfast International (BFS)

Belfast International is a major low-cost carrier hub with an extensive European network, offering diverse flight options.

📍 ~135 km from Dublin (reachable by car, involves crossing the border into the United Kingdom)

💸 Flights from ~$657

Shannon (SNN)

Cheapest

Shannon Airport offers significant international and transatlantic flight options, providing a robust alternative for arrivals.

📍 ~195 km from Dublin (reachable by car, approximately a 2.5-hour drive)

💸 Flights from ~$353

George Best Belfast City (BHD)

George Best Belfast City is convenient for UK domestic routes and short-haul flights, with similar travel time from Dublin.

📍 ~140 km from Dublin (reachable by car, requires cross-border travel)

💸 Flights from ~$732

Cork (ORK)

Cork Airport is the second largest airport in the Republic of Ireland with diverse routes, offering another arrival option.

📍 ~220 km from Dublin (reachable by car)

💸 Flights from ~$808

Ireland West Airport Knock (NOC)

Ireland West Airport Knock serves as an alternative gateway for the west of Ireland, offering a less congested experience.

📍 ~180 km from Dublin (reachable by car)

💸 Flights from ~$910

Business & First Class Flight Deals to Dublin

Dublin, Ireland

68% AI deal score

$12,743

Frequently Asked Questions About Flights to Dublin

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can also help you identify better deals. Look for flights during the off-peak season when demand may be lower.

Booking flights in advance, often several months out, can sometimes lead to better prices. However, last-minute deals can occasionally appear, so it's wise to monitor price trends. Mid-week bookings may also offer different pricing compared to weekend bookings.

Comparing nearby airports can sometimes uncover different flight options or prices. While it might add to your ground travel, the potential savings on airfare could be significant. Always factor in the cost and time of additional transportation.

Related routes

Consider alternative routes from San Juan

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Cheap Flights from San Juan to Dublin

Today’s best flight deals from San Juan to Dublin

Unlock all 500+ flight deals to Dublin and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from San Juan to Dublin

How much is a round trip from San Juan to Dublin

The cheapest time to fly from San Juan to Dublin

Direct flights from San Juan to Dublin

Last-minute flights going from San Juan to Dublin

Biggest price drops on these dates for flights from San Juan to Dublin

Popular Airports to fly from San Juan to Dublin

San Juan - Dublin route insights

Recent fares are above the typical level

October is historically cheapest at $402

Connecting flights average 19h 45m

No direct flights available

Aer Lingus offers 27 deals

Deals appear regularly

San Juan main airports to depart from

Dublin main airports to arrive at

Airports nearby Dublin used as alternative

Business & First Class Flight Deals to Dublin

Best Elite deals to Dublin

Nov 25

Aug 12

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Jun 19

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Frequently Asked Questions About Flights to Dublin

How can I find cheap flights from San Juan to Dublin?

How can I find cheap flights from San Juan to Dublin?

When should I book flights from San Juan to Dublin?

When should I book flights from San Juan to Dublin?

Should I compare nearby airports for flights from San Juan to Dublin?

Should I compare nearby airports for flights from San Juan to Dublin?

Are direct flights from San Juan to Dublin always the best option?

Are direct flights from San Juan to Dublin always the best option?

Can flexible travel dates help on San Juan to Dublin flights?

Can flexible travel dates help on San Juan to Dublin flights?

What extra costs should I check before booking San Juan to Dublin flights?