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$364+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — DUB
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
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 December 14, 2025.

This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/234:47 pmSJC - DUB
2 stops54h 58mDelta
Wed 12/315:55 amDUB - SJC
2 stops19h 04mDelta
Deal found 12/12$1,012
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:55 pmSJC - DUB
2 stops50h 25mDelta
Wed 12/315:55 amDUB - SJC
2 stops19h 04mDelta
Deal found 12/12$1,031
This eDestinos deal was found by Cheapflights users on 12/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1410:55 amSJC - DUB
1 stop19h 35mAer Lingus
Sun 12/214:30 pmDUB - SJC
1 stop15h 29mAer Lingus
Deal found 12/13$1,150
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:35 amSJC - DUB
1 stop17h 10mDelta
Wed 12/315:55 amDUB - SJC
2 stops19h 04mDelta
Deal found 12/12$1,151
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:31 pmSJC - DUB
2 stops36h 49mDelta
Wed 12/315:55 amDUB - SJC
2 stops19h 04mDelta
Deal found 12/12$1,155
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Wed 12/242:29 pmSJC - DUB
2 stops33h 41mUnited Airlines
Thu 1/112:05 pmDUB - SJC
2 stops33h 28mUnited Airlines
Deal found 12/12$1,197
This Delta deal was found by Cheapflights users on 12/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:22 pmSJC - DUB
2 stops35h 23mDelta
Wed 12/315:55 amDUB - SJC
2 stops19h 04mDelta
Deal found 12/12$1,199
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/232:29 pmSJC - DUB
2 stops57h 41mUnited Airlines
Thu 1/112:05 pmDUB - SJC
2 stops33h 28mUnited Airlines
Deal found 12/14$1,211
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/232:29 pmSJC - DUB
2 stops57h 41mUnited Airlines
Sun 1/412:05 pmDUB - SJC
2 stops30h 13mUnited Airlines
Deal found 12/14$1,281
This oojo deal was found by Cheapflights users on 12/11. 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.
Fri 12/1211:13 amSJC - SNN
2 stops16h 17mBritish Airways
Fri 12/197:50 amSNN - SJC
2 stops23h 09mBritish Airways
Deal found 12/11$1,615
This Ovago deal was found by Cheapflights users on 12/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:53 amSJC - SNN
2 stops21h 52mBritish Airways
Tue 12/307:50 amSNN - SJC
2 stops22h 49mBritish Airways
Deal found 12/14$1,685
This British Airways deal was found by Cheapflights users on 12/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:01 pmSJC - SNN
2 stops61h 29mBritish Airways
Sun 1/45:30 pmSNN - SJC
2 stops52h 12mBritish Airways
Deal found 12/14$1,914

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 December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$586
(American Airlines)

One-way from

$364
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$842
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. 29% potential increase in price ($350 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($76 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 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 JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 1/27

6:00 am-11:30 am

2 stops21h 30m

Shannon

Tue 2/3

7:50 am-9:24 am

2 stops33h 34m

$586

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Thu 1/29

1:50 pm-9:25 am

2 stops35h 35m

Dublin

Mon 2/2

12:30 pm-10:12 pm

2 stops41h 42m

$629

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Tue 2/3

8:40 am-8:10 am

2 stops15h 30m

Dublin

Wed 2/18

9:00 am-9:05 pm

2 stops44h 05m

$629

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 1/28

8:40 am-8:10 am

2 stops15h 30m

Dublin

Wed 2/4

9:00 am-1:39 pm

2 stops36h 39m

$629

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Tue 4/21

6:30 am-9:45 am

1 stop19h 15m

Dublin

Fri 5/1

9:20 am-1:26 pm

2 stops36h 06m

$629

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 4/22

6:30 am-7:55 am

1 stop17h 25m

Dublin

Thu 4/30

8:55 am-9:15 pm

2 stops20h 20m

$654

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Tue 4/21

6:30 am-7:55 am

1 stop17h 25m

Dublin

Thu 4/30

11:10 am-10:09 pm

2 stops18h 59m

$654

San JoseCork

SJC - ORK

SJCORK

San Jose

Wed 1/28

2:32 pm-9:00 pm

2 stops22h 28m

Cork

Wed 2/4

11:55 am-9:03 am

2 stops29h 08m

$654

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Tue 4/21

6:30 am-7:55 am

1 stop17h 25m

Dublin

Tue 4/28

5:55 am-4:15 pm

2 stops18h 20m

$654

San JoseCork

SJC - ORK

SJCORK

San Jose

Tue 1/27

11:51 am-3:25 pm

2 stops19h 34m

Cork

Tue 2/3

7:40 am-9:29 pm

2 stops21h 49m

$654

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 43 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 $455). 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 December 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 December 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
11,052 reviews

Comfort

7.2

Food

6.5

Boarding

7.5

Entertainment

6.9

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,052 reviews
American Airlines
7.2
Good
11,052 reviews

Comfort

7.2

Food

6.5

Boarding

7.5

Entertainment

6.9

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
Aer Lingus
7.2
Good
1,394 reviews
American Airlines
7.2
Good
11,052 reviews

Comfort

7.2

Food

6.5

Boarding

7.5

Entertainment

6.9

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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 30m. 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, August is the cheapest month in which you can book a flight from San Jose, California to Ireland (average of $455). 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 December 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$576Average$955FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$719Average$1,098FlexibilityNo cancel feeOn-time71%

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