EUR/IE
Find cheap flights to San Juan, Puerto Rico in 2026/2027 from €474 This is the cheapest return flight found to San Juan, Puerto Rico from Ireland on FlightsFinder on April 26th 2026 at 10:21. This offer may no longer be available. Click the offer to check live prices & dates of travel.
Our Flight Finder compares the cheapest flights to San Juan, Puerto Rico from the most established flight comparison sites.
Fly to San Juan, Puerto Rico and visit sites like Castillo San Felipe del Morro, Castillo de San Cristóbal, La Fortaleza & San Juan Bautista Cathedral.
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These economy flights were found on FlightsFinder from Ireland to San Juan, Puerto Rico in the last few days. Prices subject to availability.
These economy flights were found on FlightsFinder from Ireland to San Juan, Puerto Rico in the last few days. Prices subject to availability.
No flights found for this month.
According to our data, September is on average the cheapest time to book flights to San Juan, Puerto Rico.
You can get flights from €474 return.
According to our data, April is on average the most expensive time to book flights to San Juan, Puerto Rico.
A return flight could set you back more than €773.
Located on the northeastern coast of Puerto Rico, San Juan is a captivating blend of rich history, vibrant culture, and stunning natural beauty. The city's historic Old San Juan district is a UNESCO World Heritage Site, featuring colorful colonial buildings, cobblestone streets, and historic forts overlooking the sparkling Caribbean Sea. Visitors can explore the city's lively plazas, experience the lively music and dance of salsa, and indulge in delicious local cuisine. Whether wandering through the charming streets or relaxing on the pristine beaches, San Juan offers a captivating mix of old-world charm and modern excitement.
A good price for a flight to San Juan is €427 - €521.
The popular airports near San Juan, Puerto Rico are Luis Muñoz Marín International Airport (SJU) and Rafael Hernández Airport (BQN).
The flight to San Juan, Puerto Rico (SJU) is roughly 9 hours 18 minutes and 3,965 miles (6,381 kilometres) from Dublin, Ireland - Dublin International Airport (DUB).
The best way is to compare flights to San Juan, Puerto Rico from leading comparison sites using our search engine dashboard.
We have currently found no direct flights to San Juan, Puerto Rico.
Here is the average weather forecast in San Juan, Puerto Rico by month:
• Jan: 28°C
• Feb: 29°C
• Mar: 29°C
• Apr: 30°C
• May: 31°C
• Jun: 32°C
• Jul: 32°C
• Aug: 32°C
• Sep: 32°C
• Oct: 31°C
• Nov: 30°C
• Dec: 29°C
The main airport in San Juan, Puerto Rico, Luis Muñoz Marín International Airport, is located approximately 9 miles (14 kilometers) from the city center.
Typically, flights are cheapest to San Juan, Puerto Rico 2 months before departure.
Studies show flights to San Juan, Puerto Rico are typically cheaper on Tuesdays and Wednesdays.
28 °C
Wed, 29 Apr 2026
Average Temperature
28°C
Jan
29°C
Feb
29°C
Mar
30°C
Apr
31°C
May
32°C
Jun
32°C
Jul
32°C
Aug
32°C
Sep
31°C
Oct
30°C
Nov
29°C
Dec
Dublin, Ireland - Dublin International Airport (DUB) to San Juan, Puerto Rico (SJU)
Distance:
3,965 miles (6,381 kilometres)
Average flight time (direct 9 hours 18 minutes)
Shannon, Ireland - Shannon International Airport (SNN) to San Juan, Puerto Rico (SJU)
Distance:
3,846 miles (6,189 kilometres)
Average flight time (direct 9 hours 2 minutes)
Knock, Ireland - Ireland West Airport (NOC) to San Juan, Puerto Rico (SJU)
Distance:
3,873 miles (6,233 kilometres)
Average flight time (direct 9 hours 6 minutes)
Cork, Ireland - Cork International Airport (ORK) to San Juan, Puerto Rico (SJU)
Distance:
3,848 miles (6,193 kilometres)
Average flight time (direct 9 hours 3 minutes)
Kerry, Ireland - Kerry Airport (KIR) to San Juan, Puerto Rico (SJU)
Distance:
3,812 miles (6,135 kilometres)
Average flight time (direct 8 hours 58 minutes)
Donegal, Ireland - Donegal Airport (CFN) to San Juan, Puerto Rico (SJU)
Distance:
3,913 miles (6,297 kilometres)
Average flight time (direct 9 hours 11 minutes)
Waterford, Ireland - Waterford Airport (WAT) to San Juan, Puerto Rico (SJU)
Distance:
3,912 miles (6,296 kilometres)
Average flight time (direct 9 hours 11 minutes)
From Dublin (DUB), Ireland to San Juan, Puerto Rico (SJU): €474
Depart: 19 Sep 2026 · Return: 03 Oct 2026 Price found 26 Apr 2026, 10:21
From Shannon (SNN), Ireland to San Juan, Puerto Rico (SJU): €720
Depart: 12 Nov 2026 · Return: 16 Nov 2026 Price found 28 Apr 2026, 01:50
From Cork (ORK), Ireland to San Juan, Puerto Rico (SJU): €752
Depart: 03 Dec 2026 · Return: 12 Dec 2026 Price found 22 Apr 2026, 09:28
From Knock (NOC), Ireland to San Juan, Puerto Rico (SJU): €878
Depart: 12 May 2026 · Return: 16 May 2026 Price found 25 Apr 2026, 23:57
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