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Ireland

$313+ Cheap flights from San Jose (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
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$499
(United Airlines)

One-way from

$313
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$562
From San Jose to Ireland
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One-way flight from San Jose to Ireland
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Highest demand for flights based on searches. 11% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($72 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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 10/286:30 amSJC - DUB
2 stops18h 00mUnited Airlines
Fri 11/79:00 amDUB - SJC
2 stops36h 42mUnited Airlines
Deal found 9/14$499
This lastminute.com deal was found by Cheapflights users on 9/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/201:30 pmSJC - DUB
2 stops38h 20mScandinavian Airlines
Wed 11/57:05 pmDUB - SJC
2 stops34h 40mScandinavian Airlines
Deal found 9/13$507
This Aunt Betty deal was found by Cheapflights users on 9/13. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:30 amSJC - DUB
1 stop19h 15mUnited Airlines
Wed 11/510:40 amDUB - SJC
1 stop16h 08mUnited Airlines
Deal found 9/13$513
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:18 pmSJC - SNN
2 stops20h 27mAmerican Airlines
Tue 11/47:50 amSNN - SJC
2 stops20h 58mAmerican Airlines
Deal found 9/12$528
This United Airlines deal was found by Cheapflights users on 9/13. 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 12/2710:30 pmSJC - DUB
1 stop25h 40mUnited Airlines
Fri 1/99:30 amDUB - SJC
2 stops19h 26mUnited Airlines
Deal found 9/13$533
This Delta deal was found by Cheapflights users on 9/13. 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 11/512:40 pmSJC - DUB
2 stops19h 05mDelta
Tue 11/119:45 amDUB - SJC
1 stop18h 50mDelta
Deal found 9/13$542
This Air Canada deal was found by Cheapflights users on 9/13. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:22 pmSJC - DUB
3 stops29h 53mMultiple Airlines
Wed 11/59:00 amDUB - SJC
2 stops17h 48mMultiple Airlines
Deal found 9/13$556
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 10/318:45 amSJC - DUB
2 stops18h 35mUnited Airlines
Fri 11/149:00 amDUB - SJC
2 stops19h 53mUnited Airlines
Deal found 9/14$558
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 10/288:45 amSJC - DUB
2 stops18h 10mUnited Airlines
Tue 11/410:40 amDUB - SJC
1 stop16h 08mUnited Airlines
Deal found 9/13$567
This Finnair deal was found by Cheapflights users on 9/13. 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 10/316:00 amSJC - DUB
1 stop18h 10mMultiple Airlines
Fri 11/1412:55 pmDUB - SJC
1 stop15h 53mMultiple Airlines
Deal found 9/13$572
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/148:45 amSJC - SNN
2 stops17h 30mUnited Airlines
Mon 10/2012:30 pmSNN - SJC
2 stops17h 54mUnited Airlines
Deal found 9/14$610
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/306:00 amSJC - ORK
2 stops22h 10mAmerican Airlines
Thu 11/67:40 amORK - SJC
2 stops22h 36mAmerican Airlines
Deal found 9/15$631

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 September 15, 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 10/28

8:45 am-10:20 am

2 stops18h 35m

Dublin

Fri 11/7

9:00 am-8:53 pm

2 stops43h 53m

$499

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sat 12/27

2:29 pm-10:20 am

2 stops35h 51m

Dublin

Fri 1/9

9:30 am-8:56 pm

2 stops19h 26m

$527

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Tue 10/28

8:45 am-9:55 am

2 stops18h 10m

Dublin

Tue 11/4

9:30 am-6:48 pm

2 stops17h 18m

$527

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 10/28

1:18 pm-4:45 pm

2 stops20h 27m

Shannon

Tue 11/4

7:50 am-8:48 pm

2 stops20h 58m

$528

San JoseCork

SJC - ORK

SJCORK

San Jose

Wed 1/14

12:17 pm-3:25 pm

2 stops19h 08m

Cork

Wed 1/28

11:55 am-10:05 am

2 stops30h 10m

$539

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 11/5

12:40 pm-3:45 pm

2 stops19h 05m

Dublin

Tue 11/11

9:45 am-8:35 pm

1 stop18h 50m

$542

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Fri 10/31

8:45 am-10:20 am

2 stops18h 35m

Dublin

Fri 11/14

9:00 am-10:05 am

2 stops33h 05m

$558

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Fri 10/31

6:00 am-7:10 am

1 stop18h 10m

Dublin

Fri 11/14

12:55 pm-8:48 pm

1 stop15h 53m

$572

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 2/25

8:25 am-9:55 am

2 stops17h 30m

Dublin

Sun 3/1

10:40 am-9:11 pm

2 stops18h 31m

$577

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 10/14

8:45 am-10:15 am

2 stops17h 30m

Shannon

Mon 10/20

12:30 pm-10:24 pm

2 stops17h 54m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 42 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 to Ireland?

Currently, November is the cheapest month in which you can book a flight from San Jose to Ireland (average of $509). Flying from San Jose to Ireland in June is currently the most expensive (average of $923). 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 September 15, 2025.

When flying from San Jose to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 15, 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
10,000 reviews

Comfort

7.2

Overall

7.2

Food

6.4

Boarding

7.5

Crew

8.0

Entertainment

6.9

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
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Overall

7.2

Food

6.4

Boarding

7.5

Crew

8.0

Entertainment

6.9

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
1,270 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Overall

7.2

Food

6.4

Boarding

7.5

Crew

8.0

Entertainment

6.9

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 to Ireland?

    There are many flights that can get you from San Jose to Ireland in 18h 35m. Fly via United Airlines, American Airlines, or Delta to get the fastest option. There are 5083 mi between San Jose and Ireland. This flight may include one or multiple stops.

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

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

    Currently, November is the cheapest month in which you can book a flight from San Jose to Ireland (average of $509). Flying from San Jose to Ireland in June is currently the most expensive (average of $923). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$576Average$955FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$719Average$1,105FlexibilityNo cancel feeOn-time71%

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