$333+ Cheap flights from San Juan to Dublin (DUB)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DUB
Sep 17 — Sep 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Juan to Dublin with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Juan to Dublin
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Juan to DublinExplore the most affordable flight options available from San Juan to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
Explore the most affordable flight options available from San Juan to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.
This United deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:25 am -
1 stop19h 45m
Thu 11/129:00 am -
1 stop33h 25m
Deal found 8/17![Multiple Airlines logo]()
$678
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:59 pm -
1 stop32h 46m
Tue 11/175:45 am -
2 stops22h 10m
Deal found 8/15![Delta logo]()
$679
This KLM deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:15 pm -
2 stops18h 25m
Tue 11/175:45 am -
2 stops22h 10m
Deal found 8/15![KLM logo]()
$688
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:45 pm -
1 stop32h 45m
Fri 11/61:35 pm -
1 stop26h 15m
Deal found 8/16![United Airlines logo]()
$692
This KLM deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:15 pm -
2 stops18h 25m
Thu 11/128:50 am -
2 stops19h 05m
Deal found 8/17![KLM logo]()
$697
This American Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:30 am -
1 stop20h 00m
Mon 11/96:35 pm -
1 stop26h 05m
Deal found 8/17![American Airlines logo]()
$709
This FlightHub deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:35 pm -
1 stop12h 55m
Mon 11/95:15 pm -
2 stops35h 21m
Deal found 8/17![Lufthansa logo]()
$717
This British Airways deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:59 pm -
2 stops16h 56m
Sat 11/149:50 am -
1 stop14h 10m
Deal found 8/17![Multiple Airlines logo]()
$720
This KLM deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am -
1 stop20h 45m
Wed 9/308:55 am -
2 stops19h 54m
Deal found 8/14![KLM logo]()
$723
This Air France deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:10 pm -
1 stop15h 35m
Wed 9/301:15 pm -
1 stop15h 34m
Deal found 8/13![Multiple Airlines logo]()
$726
Best flights from San Juan to DublinDiscover carefully curated flight deals from San Juan to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
Discover carefully curated flight deals from San Juan to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:45 pm -
1 stop32h 45m
Fri 11/61:35 pm -
1 stop26h 15m
Deal found 8/16![United Airlines logo]()
$692
This British Airways deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:59 pm -
2 stops16h 56m
Sat 11/149:50 am -
1 stop14h 10m
Deal found 8/17![Multiple Airlines logo]()
$720
This British Airways deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:59 pm -
2 stops16h 56m
Sat 11/1411:30 am -
1 stop16h 29m
Deal found 8/15![British Airways logo]()
$730
This KLM deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:55 pm -
1 stop13h 50m
Sun 11/158:55 am -
2 stops19h 00m
Deal found 8/15![KLM logo]()
$736
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/82:35 pm -
1 stop12h 55m
Sat 2/209:00 am -
2 stops30h 50m
Deal found 8/13![United Airlines logo]()
$709
This KLM deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:15 pm -
1 stop15h 45m
Sun 11/18:55 am -
2 stops19h 57m
Deal found 8/18![KLM logo]()
$736
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:35 pm -
1 stop15h 20m
Sun 11/89:00 am -
2 stops19h 36m
Deal found 8/17![United Airlines logo]()
$735
Last-minute flights from San Juan to DublinDiscover last-minute flight deals from San Juan to Dublin. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Dublin. Data last updated August 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:00 am -
2 stops25h 20m
Fri 9/119:20 am -
2 stops19h 30m
Deal found 8/14![United Airlines logo]()
$791
This American Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:30 am -
1 stop21h 05m
Fri 9/119:50 am -
1 stop14h 00m
Deal found 8/17![American Airlines logo]()
$780
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:00 am -
2 stops25h 20m
Tue 9/89:20 am -
2 stops33h 33m
Deal found 8/14![United Airlines logo]()
$786
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:00 am -
2 stops25h 20m
Thu 9/109:30 am -
1 stop19h 20m
Deal found 8/14![United Airlines logo]()
$795
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/131:00 am -
2 stops25h 20m
Wed 9/2311:35 am -
2 stops17h 15m
Deal found 8/14![United Airlines logo]()
$781
This JetBlue deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:30 am -
1 stop17h 30m
Wed 9/2311:30 am -
1 stop13h 04m
Deal found 8/17![JetBlue logo]()
$731
This KLM deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:16 pm -
1 stop15h 44m
Wed 9/2311:10 am -
2 stops17h 39m
Deal found 8/17![KLM logo]()
$773
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:00 am -
2 stops21h 15m
Wed 9/235:55 am -
2 stops22h 54m
Deal found 8/17![Delta logo]()
$777
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:00 am -
2 stops25h 45m
Tue 9/229:30 am -
1 stop19h 20m
Deal found 8/14![United Airlines logo]()
$811
This KLM deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am -
1 stop20h 45m
Wed 9/308:55 am -
2 stops19h 54m
Deal found 8/14![KLM logo]()
$723
This Air France deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:10 pm -
1 stop15h 35m
Wed 9/301:15 pm -
1 stop15h 34m
Deal found 8/13![Multiple Airlines logo]()
$726
One-way flights from San Juan to DublinSearch for one-way flight options from San Juan to Dublin. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
Search for one-way flight options from San Juan to Dublin. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:45 am -
2 stops43h 35m
Deal found 8/16![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:39 pm -
3 stops42h 16m
Deal found 8/15![Multiple Airlines logo]()
$343
This JetBlue deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:30 am -
1 stop17h 30m
Deal found 8/15![JetBlue logo]()
$350
This American Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:51 pm -
2 stops16h 04m
Deal found 8/15![American Airlines logo]()
$431
Find flight deals from San Juan to Dublin
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 18, 2026.
Round-trip from | $678 (United) |
|---|---|
One-way from | $333 (Kiwi.com) |
Popular in | August |
Cheapest in | October |
Average price | $965 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2026.
Use the filters below to find and compare flights from San Juan to Dublin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanDublin
SJU San Juan Luis Munoz Marin Intl - DUB Dublin
SJUDUB
San Juan Luis Munoz Marin Intl
Sat 10/24
6:45 pm-8:30 am
1 stop32h 45m
Dublin
Fri 11/6
1:35 pm-11:50 am
1 stop26h 15m
$692
San JuanDublin
SJU San Juan Luis Munoz Marin Intl - DUB Dublin
SJUDUB
San Juan Luis Munoz Marin Intl
Mon 2/8
2:35 pm-7:30 am
1 stop12h 55m
Dublin
Sat 2/20
9:00 am-11:50 am
2 stops30h 50m
$709
Quickest round-trip
San JuanDublin
SJU San Juan Luis Munoz Marin Intl - DUB Dublin
SJUDUB
San Juan Luis Munoz Marin Intl
Wed 11/4
12:59 pm-9:55 am
2 stops16h 56m
Dublin
Sat 11/14
9:50 am-8:00 pm
1 stop14h 10m
$720
San JuanDublin
SJU San Juan Luis Munoz Marin Intl - DUB Dublin
SJUDUB
San Juan Luis Munoz Marin Intl
Wed 11/4
12:59 pm-9:55 am
2 stops16h 56m
Dublin
Sat 11/14
11:30 am-11:59 pm
1 stop16h 29m
$730
San JuanDublin
SJU San Juan Luis Munoz Marin Intl - DUB Dublin
SJUDUB
San Juan Luis Munoz Marin Intl
Sun 11/1
2:35 pm-9:55 am
1 stop15h 20m
Dublin
Sun 11/8
9:00 am-12:36 am
2 stops19h 36m
$735
San JuanDublin
SJU San Juan Luis Munoz Marin Intl - DUB Dublin
SJUDUB
San Juan Luis Munoz Marin Intl
Mon 11/9
1:55 pm-7:45 am
1 stop13h 50m
Dublin
Sun 11/15
8:55 am-11:55 pm
2 stops19h 00m
$736
San JuanDublin
SJU San Juan Luis Munoz Marin Intl - DUB Dublin
SJUDUB
San Juan Luis Munoz Marin Intl
Tue 10/20
1:15 pm-10:00 am
1 stop15h 45m
Dublin
Sun 11/1
8:55 am-12:52 am
2 stops19h 57m
$736
Cheapest one-way
San JuanDublin
SJU San Juan Luis Munoz Marin Intl - DUB Dublin
SJUDUB
San Juan Luis Munoz Marin Intl
Wed 10/7
8:45 am-9:20 am
2 stops43h 35m
$333
San JuanDublin
SJU San Juan Luis Munoz Marin Intl - DUB Dublin
SJUDUB
San Juan Luis Munoz Marin Intl
Sat 9/26
3:39 pm-2:55 pm
3 stops42h 16m
$343
Quickest one-way
San JuanDublin
SJU San Juan Luis Munoz Marin Intl - DUB Dublin
SJUDUB
San Juan Luis Munoz Marin Intl
Wed 10/7
1:00 pm-9:00 am
1 stop15h 00m
$350
Showing 1-10 of 11 resultsSorted by cheapest first
Best time to book a flight from San Juan to Dublin
Have a flexible travel schedule? Discover the best time to fly to Dublin from San Juan with our price prediction graph.
PR1-DUB
SJU-DUB
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Juan to Dublin
PR1-DUB
SJU-DUB
How much does it cost to fly round-trip from San Juan to Dublin?
Airfare is below average for this route at the moment.
San Juan to Dublin flights typically cost between $917 and $1,060 in November.The cheapest round-trip price found within the last 5 days was $678 on Multiple Airlines (Nov 2-Nov 12).
How far ahead should I book a flight from San Juan to Dublin?
The best time to book flights from San Juan to Dublin is 51 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Dublin
Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated August 18, 2026.
Get a feel of what it's like to fly with KLM,Delta, andUnited Airlines from San Juan to Dublin by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.8
Entertainment
7.2
Overall
7.8
Food
7.3
Comfort
7.7
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Overall
7.8
Food
7.3
Comfort
7.7
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Overall
7.8
Food
7.3
Comfort
7.7
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Overall
7.8
Food
7.3
Comfort
7.7
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Boarding
7.8
Entertainment
7.2
Overall
7.8
Food
7.3
Comfort
7.7
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Related info for your journey
Find useful and relevant information for your journey from San Juan to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Dublin?
Book flights to Dublin if you plan to visit one of these locationsCastleknock
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Dublin flight routes
Flights by cabin class
Other flight options
Popular flights
Alternative routes for San Juan to Dublin
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Dublin by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Dublin
Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 18, 2026.
Search flights from San Juan to Dublin by cabin class
Find flights from San Juan to Dublin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Juan and Dublin flights
Browse other San Juan and Dublin flight options. Last updated on August 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from San Juan to Dublin
Discover the top 4 airlines that operate flights from San Juan to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$380 | Average$833 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$380 | Average$637 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$430 | Average$646 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$468 | Average$636 | FlexibilityNo cancel fee | On-time75% |