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$346+ Cheap flights from San Jose, CA (SJC) to Ireland

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — DUB
Mar 18 — Mar 251
Wed 3/18
Wed 3/25
1 adult, Economy
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Cheap flight deals from San Jose to Ireland

Cheapest flights from San Jose to Ireland
Explore the most affordable flight options available from San Jose to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 16, 2026.

This eDestinos deal was found by Cheapflights users on 2/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:45 pm
SJC
-
DUB
2 stops18h 35m
Scandinavian Airlines
Tue 11/312:30 pm
DUB
-
SJC
2 stops42h 28m
Scandinavian Airlines
Deal found 2/14$552
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Sat 9/56:30 pm
SJC
-
SNN
2 stops29h 00m
United Airlines
Sat 9/1212:30 pm
SNN
-
SJC
2 stops18h 06m
United Airlines
Deal found 2/13$588
This United Airlines deal was found by Cheapflights users on 2/14. 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.
Sat 2/213:55 pm
SJC
-
DUB
2 stops34h 25m
United Airlines
Fri 3/69:00 am
DUB
-
SJC
2 stops36h 41m
United Airlines
Deal found 2/14$632
This United Airlines deal was found by Cheapflights users on 2/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:30 am
SJC
-
DUB
1 stop19h 15m
United Airlines
Wed 4/89:50 am
DUB
-
SJC
2 stops44h 46m
United Airlines
Deal found 2/15$633
This FlightHub deal was found by Cheapflights users on 2/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:50 pm
SJC
-
DUB
2 stops38h 00m
Scandinavian Airlines
Fri 9/1812:40 pm
DUB
-
SJC
2 stops41h 29m
Scandinavian Airlines
Deal found 2/16$635
This KAYAK deal was found by Cheapflights users on 2/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:45 pm
SJC
-
DUB
2 stops18h 35m
Scandinavian Airlines
Fri 10/2312:40 pm
DUB
-
SJC
2 stops42h 18m
Scandinavian Airlines
Deal found 2/13$639
This United Airlines deal was found by Cheapflights users on 2/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:50 am
SJC
-
DUB
2 stops14h 20m
United Airlines
Fri 5/19:50 am
DUB
-
SJC
2 stops35h 38m
United Airlines
Deal found 2/15$642
This KLM deal was found by Cheapflights users on 2/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2110:35 pm
SJC
-
DUB
1 stop25h 10m
KLM
Fri 3/65:55 am
DUB
-
SJC
2 stops19h 38m
KLM
Deal found 2/13$643
This KLM deal was found by Cheapflights users on 2/15. 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.
Tue 10/131:15 pm
SJC
-
DUB
1 stop34h 40m
KLM
Tue 11/35:55 am
DUB
-
SJC
2 stops18h 21m
KLM
Deal found 2/15$644
This KLM deal was found by Cheapflights users on 2/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:20 am
SJC
-
DUB
1 stop17h 35m
KLM
Tue 4/711:00 am
DUB
-
SJC
1 stop18h 33m
KLM
Deal found 2/13$648
This KLM deal was found by Cheapflights users on 2/15. 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.
Wed 10/212:35 pm
SJC
-
ORK
2 stops18h 00m
KLM
Thu 11/511:15 am
ORK
-
SJC
2 stops18h 52m
KLM
Deal found 2/15$665
This oojo deal was found by Cheapflights users on 2/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:17 pm
SJC
-
SNN
2 stops21h 18m
British Airways
Tue 9/159:15 pm
SNN
-
SJC
2 stops29h 53m
British Airways
Deal found 2/15$708

Find flight deals from San Jose to Ireland

Keep the following information in mind while searching for San Jose to Ireland flight deals. Data was last updated February 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$633
(United Airlines)

One-way from

$346
(Kiwi.com)

Popular in

June

Cheapest in

September
Provider with most accurate pricing for San Jose-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Dublin flights.
Search Deals
From San Jose to Ireland
Search Deals
One-way flight from San Jose to Ireland
Search Deals
Highest demand for flights based on searches. 31% potential increase in price ($419 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($103 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose to Ireland 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 February 16, 2026.
Use the filters below to find and compare flights from San Jose to Ireland that are best for you.

Fly from

San Jose

Fly to

Ireland

Route

Depart

Return

Price

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 4/1

6:30 am-9:45 am

1 stop19h 15m

Dublin

Wed 4/15

9:50 am-10:36 pm

2 stops44h 46m

$633

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Tue 3/31

6:00 am-7:55 am

2 stops17h 55m

Dublin

Tue 4/7

11:00 am-9:33 pm

1 stop18h 33m

$648

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Tue 3/31

6:00 am-7:55 am

2 stops17h 55m

Dublin

Tue 4/7

5:55 am-4:06 pm

2 stops18h 11m

$652

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Tue 3/3

6:20 am-7:45 am

1 stop17h 25m

Dublin

Tue 3/17

5:55 am-5:25 pm

2 stops18h 30m

$653

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 3/4

8:50 am-9:55 am

2 stops17h 05m

Dublin

Wed 3/18

9:30 am-9:16 pm

2 stops18h 46m

$659

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 3/1

8:50 am-8:10 am

2 stops15h 20m

Dublin

Wed 4/29

9:50 am-10:36 pm

2 stops20h 46m

$661

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Mon 3/2

10:35 pm-9:20 am

2 stops26h 45m

Dublin

Thu 4/30

10:00 am-8:37 pm

1 stop18h 37m

$665

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sat 4/4

3:45 pm-9:45 am

2 stops34h 00m

Dublin

Wed 4/15

11:35 am-10:36 pm

1 stop19h 01m

$677

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Thu 4/23

6:30 am-9:45 am

1 stop19h 15m

Dublin

Wed 5/6

9:20 am-10:41 pm

2 stops45h 21m

$683

San JoseCork

SJC - ORK

SJCORK

San Jose

Wed 4/1

7:15 am-10:20 am

2 stops19h 05m

Cork

Wed 4/8

10:50 am-10:18 pm

2 stops19h 28m

$748

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 45 results
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Best time to book a flight from San Jose to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from San Jose with our price prediction graph.
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 Jose to Ireland

What is the cheapest month to book a flight from San Jose, California to Ireland?

Currently, August is the cheapest month in which you can book a flight from San Jose, California to Ireland (average of $450). Flying from San Jose, California to Ireland in June is currently the most expensive (average of $715). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from San Jose to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Jose to Ireland?

    San Jose (SJC), located 2.9 mi from the city center, is the airport you fly out of when you book flights from San Jose to Ireland.

  • How long is the flight from San Jose, California to Ireland?

    Departing from San Jose, California to Ireland will take you 17h 55m. There are 5083 mi between San Jose, California and Ireland. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from San Jose, California to Ireland?

    While some choose either San Jose - Shannon or San Jose - Cork, San Jose - Dublin is the most popular route from San Jose, California to Ireland.

  • Can I find deals for flights from San Jose to Ireland that include hotel bookings?

    Yes. In addition to deals on San Jose to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Jose to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Ireland.

  • Can I find deals for business class flights from San Jose to Ireland?

    Yes. Cheapflights offers flight deals from San Jose to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Jose, California to Ireland?

    Currently, August is the cheapest month in which you can book a flight from San Jose, California to Ireland (average of $450). Flying from San Jose, California to Ireland in June is currently the most expensive (average of $715). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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