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Ireland

$311+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — DUB
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$531
(Iberia)

One-way from

$311
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$955
From San Jose to Ireland
Search Deals
One-way flight from San Jose to Ireland
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($70 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 20, 2025.

This Iberia deal was found by Cheapflights users on 8/18. 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.
Mon 10/276:00 amSJC - DUB
2 stops20h 50mMultiple Airlines
Fri 11/712:55 pmDUB - SJC
1 stop15h 53mMultiple Airlines
Deal found 8/18$531
This United Airlines deal was found by Cheapflights users on 8/18. 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 11/56:30 amSJC - DUB
1 stop17h 40mUnited Airlines
Tue 11/1110:40 amDUB - SJC
1 stop16h 08mUnited Airlines
Deal found 8/18$582
This Finnair deal was found by Cheapflights users on 8/18. 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.
Thu 12/45:58 amSJC - DUB
1 stop17h 12mMultiple Airlines
Thu 1/156:05 pmDUB - SJC
2 stops34h 45mMultiple Airlines
Deal found 8/18$584
This Delta deal was found by Cheapflights users on 8/18. 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 12/36:45 amSJC - DUB
1 stop17h 00mDelta
Thu 1/1510:45 amDUB - SJC
2 stops18h 47mDelta
Deal found 8/18$597
This Delta deal was found by Cheapflights users on 8/18. 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.
Sat 12/612:35 pmSJC - DUB
1 stop35h 10mDelta
Wed 1/1410:45 amDUB - SJC
2 stops19h 04mDelta
Deal found 8/18$603
This Delta deal was found by Cheapflights users on 8/18. 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 12/15:05 pmSJC - DUB
2 stops30h 40mDelta
Thu 1/1510:45 amDUB - SJC
2 stops18h 47mDelta
Deal found 8/18$609
This Delta deal was found by Cheapflights users on 8/19. 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 stop19h 15mDelta
Deal found 8/19$612
This United Airlines deal was found by Cheapflights users on 8/20. 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 10/308:45 amSJC - DUB
2 stops18h 10mUnited Airlines
Wed 11/129:00 amDUB - SJC
2 stops45h 28mUnited Airlines
Deal found 8/20$619
This Gurufare deal was found by Cheapflights users on 8/17. 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.
Sat 9/201:31 pmSJC - DUB
2 stops38h 19mScandinavian Airlines
Thu 9/2512:40 pmDUB - SJC
2 stops38h 33mScandinavian Airlines
Deal found 8/17$625
This United Airlines deal was found by Cheapflights users on 8/20. 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 8/311:05 pmSJC - SNN
2 stops34h 25mUnited Airlines
Thu 4/3012:30 pmSNN - SJC
2 stops16h 41mUnited Airlines
Deal found 8/20$647
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/26:30 amSJC - SNN
2 stops19h 45mUnited Airlines
Thu 10/912:30 pmSNN - SJC
2 stops29h 22mUnited Airlines
Deal found 8/18$698
This United Airlines deal was found by Cheapflights users on 8/18. 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 8/316:30 amSJC - SNN
1 stop17h 00mUnited Airlines
Wed 9/39:30 amSNN - SJC
1 stop21h 10mUnited Airlines
Deal found 8/18$724

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 August 20, 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

Mon 10/27

6:00 am-9:50 am

2 stops20h 50m

Dublin

Fri 11/7

12:55 pm-8:48 pm

1 stop15h 53m

$531

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 11/5

6:30 am-8:10 am

1 stop17h 40m

Dublin

Tue 11/11

10:40 am-6:48 pm

1 stop16h 08m

$582

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-9:00 pm

1 stop19h 15m

$612

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Thu 10/30

8:45 am-9:55 am

2 stops18h 10m

Dublin

Wed 11/12

9:00 am-10:28 pm

2 stops45h 28m

$619

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sat 9/20

1:31 pm-11:50 am

2 stops38h 19m

Dublin

Thu 9/25

12:40 pm-7:13 pm

2 stops38h 33m

$625

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 10/8

11:35 am-11:50 am

2 stops40h 15m

Dublin

Wed 10/15

12:40 pm-10:59 pm

2 stops42h 19m

$629

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Thu 10/30

6:40 pm-6:10 am

3 stops28h 30m

Dublin

Wed 11/12

9:00 am-6:48 pm

2 stops17h 48m

$644

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 8/31

1:05 pm-7:30 am

2 stops34h 25m

Shannon

Thu 4/30

12:30 pm-9:11 pm

2 stops16h 41m

$647

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 10/2

6:30 am-10:15 am

2 stops19h 45m

Shannon

Thu 10/9

12:30 pm-9:52 am

2 stops29h 22m

$698

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 8/31

6:30 am-7:30 am

1 stop17h 00m

Shannon

Wed 9/3

9:30 am-10:40 pm

1 stop21h 10m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 35 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 $925). 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 August 20, 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 August 20, 2025.
See what other customers who have flown with United Airlines, 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.
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Aer Lingus
7.1
Good
1,228 reviews
United Airlines
7.4
Good
8,928 reviews

Food

6.6

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 17h 40m. Fly via United Airlines, KLM, 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 - Shannon or San Jose - Cork, 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 $925). 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 3 airlines flying from San Jose to Ireland

Discover the top 3 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$550Average$680FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$576Average$955FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$719Average$1,105FlexibilityNo cancel feeOn-time71%

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