San Jose

$538+ Cheap flights from Ireland to San Jose, CA (SJC)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SJC
Nov 29 — Dec 61
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Find 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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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 11/55:55 amDUB - SJC
2 stops18h 02mDelta
Tue 11/112:05 pmSJC - DUB
2 stops17h 40mDelta
Deal found 10/29$662
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 11/145:55 amDUB - SJC
2 stops18h 00mDelta
Tue 11/186:15 amSJC - DUB
1 stop17h 30mDelta
Deal found 10/29$665
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/610:40 amDUB - SJC
1 stop19h 48mUnited Airlines
Sun 11/96:30 amSJC - DUB
1 stop17h 40mUnited Airlines
Deal found 10/29$675
This Delta deal was found by Cheapflights users on 10/29. 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 11/35:55 amDUB - SJC
2 stops19h 01mDelta
Sun 11/95:45 amSJC - DUB
2 stops18h 00mDelta
Deal found 10/29$740
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/410:40 amDUB - SJC
1 stop16h 08mUnited Airlines
Tue 11/116:30 amSJC - DUB
1 stop17h 40mUnited Airlines
Deal found 10/29$753
This Delta deal was found by Cheapflights users on 10/29. 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 11/45:55 amDUB - SJC
2 stops19h 01mDelta
Sun 11/98:55 pmSJC - DUB
2 stops31h 45mDelta
Deal found 10/29$765
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Mon 11/311:30 amDUB - SJC
2 stops30h 46mAmerican Airlines
Mon 11/102:38 pmSJC - DUB
2 stops34h 02mAmerican Airlines
Deal found 10/29$861
This Delta deal was found by Cheapflights users on 10/29. 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 11/39:45 amDUB - SJC
1 stop33h 32mDelta
Tue 11/1112:50 pmSJC - DUB
1 stop34h 55mDelta
Deal found 10/29$863
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/149:00 amDUB - SJC
2 stops20h 27mUnited Airlines
Sun 12/2110:30 pmSJC - DUB
2 stops27h 50mUnited Airlines
Deal found 10/30$866
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/139:00 amDUB - SJC
2 stops20h 27mUnited Airlines
Sat 12/2010:30 pmSJC - DUB
1 stop25h 40mUnited Airlines
Deal found 10/29$868
This oojo deal was found by Cheapflights users on 10/30. 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.
Wed 12/1711:30 amDUB - SJC
2 stops19h 29mIcelandair
Tue 1/610:24 amSJC - DUB
2 stops15h 51mIcelandair
Deal found 10/30$871
This Air Canada deal was found by Cheapflights users on 10/29. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/139:00 amDUB - SJC
3 stops20h 27mMultiple Airlines
Sat 12/2010:30 pmSJC - DUB
2 stops24h 40mMultiple Airlines
Deal found 10/29$878

Cheap 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 October 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$538
(American Airlines)
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

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 October 30, 2025.
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

Fri 2/20

11:30 am-9:31 pm

2 stops42h 01m

San Jose

Tue 2/24

11:01 am-2:20 pm

2 stops19h 19m

$538

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Wed 3/11

6:05 pm-8:46 pm

2 stops33h 41m

San Jose

Thu 3/26

6:01 am-8:40 am

2 stops19h 39m

$552

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Wed 2/11

6:05 pm-9:31 pm

2 stops35h 26m

San Jose

Fri 2/20

6:00 am-8:40 am

2 stops18h 40m

$554

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Wed 2/11

3:10 pm-9:31 pm

2 stops38h 21m

San Jose

Fri 2/20

6:00 am-8:40 am

2 stops18h 40m

$556

ShannonSan Jose

SNN - SJC

SNNSJC

Shannon

Thu 3/5

7:50 am-10:31 pm

2 stops22h 41m

San Jose

Mon 3/9

12:28 pm-4:45 pm

2 stops21h 17m

$627

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Fri 11/14

5:55 am-3:55 pm

2 stops18h 00m

San Jose

Tue 11/18

2:05 pm-3:45 pm

2 stops17h 40m

$662

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Wed 2/11

5:55 am-5:40 pm

2 stops19h 45m

San Jose

Fri 2/20

10:30 pm-7:45 am

1 stop25h 15m

$664

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Fri 2/20

9:30 am-9:06 pm

2 stops19h 36m

San Jose

Tue 2/24

8:50 am-9:55 am

2 stops17h 05m

$675

DublinSan Jose

DUB - SJC

DUBSJC

Dublin

Wed 3/11

5:55 am-9:49 pm

2 stops22h 54m

San Jose

Thu 3/26

10:30 pm-7:45 am

1 stop26h 15m

$693

CorkSan Jose

ORK - SJC

ORKSJC

Cork

Fri 2/20

6:00 am-9:06 pm

2 stops23h 06m

San Jose

Mon 2/23

10:30 pm-10:45 am

2 stops28h 15m

$784

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 22 results
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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, November is the cheapest month in which you can book a flight from Ireland to San Jose, California (average of $428). Flying from Ireland to San Jose, California in July is currently the most expensive (average of $696). 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 American Airlines, Delta, and KLM fly from Ireland to San Jose, California in about 18h. The time it takes to get you to your destination can typically vary by up to 24h 01m. 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, November is the cheapest month in which you can book a flight from Ireland to San Jose, California (average of $428). Flying from Ireland to San Jose, California in July is currently the most expensive (average of $696). 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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