San Jose

$429+ Cheap flights from Ireland to San Jose, CA (SJC)

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SJC
Mar 6 — Mar 131
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ireland to San Jose 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 Ireland to San Jose

Cheapest flights from Ireland to San Jose
Explore the most affordable flight options available from Ireland to San Jose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This Delta deal was found by Cheapflights users on 2/3. 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.
Wed 2/115:55 am
DUB
-
SJC
2 stops23h 33m
Delta
Fri 2/207:15 am
SJC
-
DUB
2 stops24h 30m
Delta
Deal found 2/3$525
This Delta deal was found by Cheapflights users on 2/2. 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 2/95:55 am
DUB
-
SJC
2 stops21h 17m
Delta
Sun 2/225:45 am
SJC
-
DUB
2 stops18h 00m
Delta
Deal found 2/2$528
This KLM deal was found by Cheapflights users on 2/2. 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 2/115:55 am
DUB
-
SJC
2 stops19h 45m
KLM
Fri 2/201:57 pm
SJC
-
DUB
1 stop33h 48m
KLM
Deal found 2/2$529
This Delta deal was found by Cheapflights users on 2/2. 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.
Sun 2/229:45 am
DUB
-
SJC
2 stops22h 14m
Delta
Mon 3/91:50 pm
SJC
-
DUB
2 stops18h 55m
Delta
Deal found 2/2$535
This American Airlines deal was found by Cheapflights users on 2/3. 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 2/2211:30 am
DUB
-
SJC
2 stops36h 20m
American Airlines
Sat 3/76:00 am
SJC
-
DUB
2 stops18h 40m
American Airlines
Deal found 2/3$537
This Delta deal was found by Cheapflights users on 2/3. 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.
Sun 2/229:45 am
DUB
-
SJC
2 stops22h 14m
Delta
Sat 3/710:35 pm
SJC
-
DUB
1 stop25h 10m
Delta
Deal found 2/3$538
This Iberia deal was found by Cheapflights users on 2/3. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/137:00 am
DUB
-
SJC
2 stops22h 30m
Multiple Airlines
Fri 2/276:00 am
SJC
-
DUB
2 stops22h 05m
Multiple Airlines
Deal found 2/3$566
This American Airlines deal was found by Cheapflights users on 2/3. 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 9/159:30 am
DUB
-
SJC
2 stops16h 56m
American Airlines
Sat 9/197:13 pm
SJC
-
DUB
2 stops30h 32m
American Airlines
Deal found 2/3$589
This Iberia deal was found by Cheapflights users on 2/3. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:40 pm
DUB
-
SJC
1 stop15h 50m
Iberia
Sat 9/192:25 pm
SJC
-
DUB
1 stop35h 20m
Iberia
Deal found 2/3$610
This Gurufare deal was found by Cheapflights users on 2/2. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/19:30 am
DUB
-
SJC
1 stop35h 48m
British Airways
Wed 4/1512:46 pm
SJC
-
DUB
2 stops22h 44m
British Airways
Deal found 2/2$636
This British Airways deal was found by Cheapflights users on 2/3. 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.
Thu 2/198:05 pm
SNN
-
SJC
2 stops33h 25m
British Airways
Mon 2/236:00 am
SJC
-
SNN
2 stops21h 30m
British Airways
Deal found 2/3$686
This British Airways deal was found by Cheapflights users on 2/3. 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.
Thu 10/297:50 am
SNN
-
SJC
2 stops21h 26m
British Airways
Sun 11/16:00 am
SJC
-
SNN
2 stops45h 30m
British Airways
Deal found 2/3$708

Find flight deals from Ireland to San Jose

Keep the following information in mind while searching for Ireland to San Jose flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$535
(Delta)

One-way from

$429
(Kiwi.com)
Provider with most accurate pricing for Dublin-San Jose flight deals.
Provider most trusted by Cheapflights users for Dublin-San Jose flights.
From Ireland to San Jose
One-way flight from Ireland to San Jose

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ireland to San Jose 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 4, 2026.
Use the filters below to find and compare flights from Ireland to San Jose that are best for you.

Fly from

Ireland

Fly to

San Jose

Route

Depart

Return

Price

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Sun 2/22

9:45 am-8:53 pm

1 stop19h 08m

San Jose

Mon 3/9

9:15 am-3:45 pm

2 stops23h 30m

$535

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Sun 2/22

11:30 am-3:50 pm

2 stops36h 20m

San Jose

Sat 3/7

6:00 am-8:40 am

2 stops18h 40m

$537

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Sun 2/22

9:45 am-8:53 pm

1 stop19h 08m

San Jose

Sat 3/7

10:35 pm-7:45 am

1 stop25h 10m

$538

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Sun 2/22

9:45 am-11:59 pm

2 stops22h 14m

San Jose

Sat 3/7

10:35 pm-7:45 am

1 stop25h 10m

$538

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Mon 3/30

12:40 pm-10:32 pm

2 stops17h 52m

San Jose

Sun 4/12

12:46 pm-6:30 am

2 stops33h 44m

$590

ShannonSan Jose

SNN - SJC

SNNSJC

Shannon

Thu 2/19

8:05 pm-9:30 pm

2 stops33h 25m

San Jose

Mon 2/23

6:00 am-11:30 am

2 stops21h 30m

$686

CorkSan Jose

ORK - SJC

ORKSJC

Cork

Wed 2/18

6:15 am-9:18 pm

2 stops47h 03m

San Jose

Sat 5/16

11:41 am-4:35 pm

2 stops20h 54m

$709

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Mon 3/30

9:30 am-9:21 pm

1 stop19h 51m

San Jose

Sun 4/12

6:00 am-9:45 am

1 stop19h 45m

$759

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Wed 4/1

5:55 am-8:24 pm

2 stops22h 29m

San Jose

Wed 4/15

9:37 am-3:25 pm

2 stops21h 48m

$760

CorkSan Jose

ORK - SJC

ORKSJC

Cork

Wed 2/18

6:15 am-9:18 pm

2 stops47h 03m

San Jose

Wed 5/6

6:20 am-10:20 am

2 stops20h 00m

$772

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 28 results
1
2
3

Best time to book a flight from Ireland to San Jose

Have a flexible travel schedule? Discover the best time to fly to San Jose from Ireland 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 Ireland to San Jose

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

Currently, October is the cheapest month in which you can book a flight from Ireland to San Jose, California (average of $435). Flying from Ireland to San Jose, California in July is currently the most expensive (average of $695). 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 Ireland to San Jose. 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 into for flights to San Jose from Ireland?

    Located just 2.9 mi from the city center, San Jose (SJC) is the airport most travelers will use when flying to San Jose from Ireland.

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

    Airlines like Delta, American Airlines, and KLM fly from Ireland to San Jose, California in about 19h 08m. The time it takes to get you to your destination can typically vary by up to 17h 12m. The distance from Ireland to San Jose, California is about 5083 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ireland to San Jose 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 Ireland to San Jose, California?

    Currently, October is the cheapest month in which you can book a flight from Ireland to San Jose, California (average of $435). Flying from Ireland to San Jose, California in July is currently the most expensive (average of $695). 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

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 for Ireland to San Jose

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.