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$472+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — DUB
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Find 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 October 14, 2025.

This KLM deal was found by Cheapflights users on 10/12. 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 11/115:45 amSJC - DUB
2 stops18h 00mKLM
Tue 11/185:55 amDUB - SJC
2 stops21h 11mKLM
Deal found 10/12$541
This Delta deal was found by Cheapflights users on 10/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:25 amSJC - DUB
1 stop17h 20mDelta
Fri 12/125:55 amDUB - SJC
2 stops22h 41mDelta
Deal found 10/13$550
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Wed 12/38:45 amSJC - DUB
2 stops15h 25mUnited Airlines
Fri 12/129:00 amDUB - SJC
2 stops20h 27mUnited Airlines
Deal found 10/13$552
This Priceline deal was found by Cheapflights users on 10/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:25 amSJC - DUB
2 stops43h 00mScandinavian Airlines
Thu 12/412:30 pmDUB - SJC
2 stops42h 34mScandinavian Airlines
Deal found 10/13$553
This Delta deal was found by Cheapflights users on 10/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:04 amSJC - ORK
2 stops17h 41mDelta
Fri 12/126:00 amORK - SJC
2 stops17h 54mDelta
Deal found 10/13$564
This Gotogate deal was found by Cheapflights users on 10/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/212:30 pmSJC - DUB
2 stops26h 15mMultiple Airlines
Wed 11/129:00 amDUB - SJC
2 stops19h 53mMultiple Airlines
Deal found 10/14$567
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Fri 10/318:45 amSJC - DUB
2 stops16h 25mUnited Airlines
Fri 11/149:00 amDUB - SJC
2 stops35h 18mUnited Airlines
Deal found 10/12$588
This KLM deal was found by Cheapflights users on 10/13. 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.
Thu 11/276:15 amSJC - DUB
1 stop17h 30mKLM
Thu 12/48:50 amDUB - SJC
2 stops19h 51mKLM
Deal found 10/13$600
This Finnair deal was found by Cheapflights users on 10/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:50 amSJC - DUB
1 stop16h 20mMultiple Airlines
Fri 11/1412:55 pmDUB - SJC
1 stop15h 53mMultiple Airlines
Deal found 10/13$602
This Delta deal was found by Cheapflights users on 10/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:55 amSJC - DUB
2 stops18h 50mDelta
Fri 11/145:55 amDUB - SJC
2 stops24h 18mDelta
Deal found 10/13$605
This Delta deal was found by Cheapflights users on 10/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:40 amSJC - ORK
2 stops39h 05mDelta
Sun 12/711:15 amORK - SJC
2 stops36h 39mDelta
Deal found 10/13$614
This American Airlines deal was found by Cheapflights users on 10/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amSJC - SNN
2 stops21h 30mAmerican Airlines
Tue 11/187:50 amSNN - SJC
2 stops34h 26mAmerican Airlines
Deal found 10/13$734

Cheap 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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$524
(United Airlines)

One-way from

$472
(Ovago)

Popular in

June

Cheapest in

March

Average price

$541
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. 30% potential increase in price ($337 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($58 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 14, 2025.
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

Tue 11/11

6:15 am-7:45 am

1 stop17h 30m

Dublin

Tue 11/18

5:55 am-7:06 pm

2 stops21h 11m

$541

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 12/3

6:25 am-7:45 am

1 stop17h 20m

Dublin

Fri 12/12

5:55 am-8:36 pm

2 stops22h 41m

$550

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 12/3

8:45 am-8:10 am

2 stops15h 25m

Dublin

Fri 12/12

9:00 am-9:27 pm

2 stops20h 27m

$552

San JoseCork

SJC - ORK

SJCORK

San Jose

Wed 12/3

9:04 am-10:45 am

2 stops17h 41m

Cork

Fri 12/12

6:00 am-3:54 pm

2 stops17h 54m

$564

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 11/2

12:30 pm-10:45 pm

2 stops26h 15m

Dublin

Wed 11/12

9:00 am-8:53 pm

2 stops19h 53m

$567

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Fri 10/31

8:45 am-8:10 am

2 stops16h 25m

Dublin

Fri 11/14

9:00 am-12:18 pm

2 stops35h 18m

$588

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Mon 3/16

3:45 pm-11:45 am

2 stops37h 00m

Dublin

Mon 3/30

12:40 pm-9:49 pm

2 stops41h 09m

$590

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Thu 11/27

6:15 am-7:45 am

1 stop17h 30m

Dublin

Thu 12/4

8:50 am-8:41 pm

2 stops19h 51m

$600

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Fri 10/31

7:50 am-7:10 am

1 stop16h 20m

Dublin

Fri 11/14

12:55 pm-8:48 pm

1 stop15h 53m

$602

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 2/25

7:00 am-7:45 am

2 stops16h 45m

Dublin

Sun 3/1

8:50 am-5:52 pm

2 stops41h 02m

$605

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 26 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, November is the cheapest month in which you can book a flight from San Jose, California to Ireland (average of $398). Flying from San Jose, California to Ireland in June is currently the most expensive (average of $716). 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.

What is the cheapest time of day to fly from SJC to IE?

Find hourly flight availability from San Jose to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 14, 2025.

It’s typically best to fly out from San Jose, California to Ireland in the afternoon. Doing so could potentially save you 30% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated October 14, 2025.
See what other customers who have flown with American Airlines and Aer Lingus from San Jose to Ireland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,039 reviews

Comfort

7.2

Food

6.4

Boarding

7.5

Crew

8.0

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
11,039 reviews
American Airlines
7.2
Good
11,039 reviews

Comfort

7.2

Food

6.4

Boarding

7.5

Crew

8.0

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
Aer Lingus
7.2
Good
1,336 reviews
American Airlines
7.2
Good
11,039 reviews

Comfort

7.2

Food

6.4

Boarding

7.5

Crew

8.0

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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 15h 25m. 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 - Cork or San Jose - Shannon, 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, November is the cheapest month in which you can book a flight from San Jose, California to Ireland (average of $398). Flying from San Jose, California to Ireland in June is currently the most expensive (average of $716). 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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Top 2 airlines flying from San Jose to Ireland

Discover the top 2 airlines that operate flights from San Jose to Ireland. 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$576Average$1,081FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$719Average$1,105FlexibilityNo cancel feeOn-time71%

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