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Ireland

$427+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — DUB
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$473
(United Airlines)

One-way from

$427
(oojo)

Popular in

June

Cheapest in

January

Average price

$1,363
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. 26% potential increase in price ($294 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:00 amSJC - DUB
2 stops19h 20mUnited Airlines
Wed 8/209:50 amDUB - SJC
2 stops44h 50mUnited Airlines
Deal found 6/11$473
This oojo deal was found by Cheapflights users on 6/10. 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.
Thu 10/3012:35 pmSJC - DUB
2 stops37h 50mScandinavian Airlines
Thu 11/612:30 pmDUB - SJC
2 stops42h 28mScandinavian Airlines
Deal found 6/10$578
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 7/217:00 amSJC - SNN
2 stops16h 30mUnited Airlines
Mon 7/289:30 amSNN - SJC
2 stops35h 52mUnited Airlines
Deal found 6/12$646
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/226:24 pmSJC - DUB
2 stops29h 21mAir Canada
Wed 8/69:50 amDUB - SJC
2 stops43h 12mAir Canada
Deal found 6/11$678
This Delta deal was found by Cheapflights users on 6/9. 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 7/215:45 amSJC - DUB
2 stops18h 10mDelta
Tue 8/512:00 pmDUB - SJC
1 stop16h 26mDelta
Deal found 6/9$680
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/214:22 pmSJC - DUB
3 stops31h 53mMultiple Airlines
Tue 8/59:20 amDUB - SJC
3 stops22h 34mMultiple Airlines
Deal found 6/11$694
This Finnair deal was found by Cheapflights users on 6/10. 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 9/198:00 amSJC - DUB
1 stop17h 45mFinnair
Fri 9/2612:40 pmDUB - SJC
1 stop16h 28mFinnair
Deal found 6/10$756
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 7/211:07 pmSJC - ORK
2 stops22h 43mAmerican Airlines
Mon 7/287:20 amORK - SJC
2 stops23h 39mAmerican Airlines
Deal found 6/12$799
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 11/52:32 pmSJC - DUB
2 stops17h 08mAmerican Airlines
Sun 11/92:05 pmDUB - SJC
1 stop27h 53mAmerican Airlines
Deal found 6/10$804
This oojo deal was found by Cheapflights users on 6/10. 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 11/58:10 amSJC - DUB
2 stops18h 05mIcelandair
Fri 11/1411:30 amDUB - SJC
2 stops19h 29mIcelandair
Deal found 6/10$811
This KLM deal was found by Cheapflights users on 6/10. 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 7/222:32 pmSJC - DUB
2 stops18h 08mKLM
Fri 8/110:00 amDUB - SJC
1 stop18h 26mKLM
Deal found 6/10$820
This Iberia deal was found by Cheapflights users on 6/9. 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.
Sun 7/206:00 amSJC - DUB
1 stop19h 45mIberia
Sun 8/311:45 amDUB - SJC
1 stop19h 17mIberia
Deal found 6/9$856

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 June 12, 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 8/4

7:00 am-10:20 am

2 stops19h 20m

Dublin

Wed 8/20

9:50 am-10:40 pm

2 stops44h 50m

$473

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Thu 10/30

12:35 pm-9:25 am

2 stops37h 50m

Dublin

Thu 11/6

12:30 pm-10:58 pm

2 stops42h 28m

$578

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Mon 7/21

7:00 am-7:30 am

2 stops16h 30m

Shannon

Mon 7/28

9:30 am-1:22 pm

2 stops35h 52m

$646

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Tue 7/22

6:24 pm-7:45 am

2 stops29h 21m

Dublin

Wed 8/6

9:50 am-9:02 pm

2 stops43h 12m

$678

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Mon 7/21

5:45 am-7:55 am

2 stops18h 10m

Dublin

Tue 8/5

12:00 pm-8:26 pm

1 stop16h 26m

$680

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Mon 7/21

4:22 pm-8:15 am

3 stops31h 53m

Dublin

Tue 8/5

9:20 am-11:54 pm

3 stops22h 34m

$694

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Fri 9/19

8:00 am-9:45 am

1 stop17h 45m

Dublin

Fri 9/26

12:40 pm-9:08 pm

1 stop16h 28m

$756

San JoseCork

SJC - ORK

SJCORK

San Jose

Mon 7/21

1:07 pm-7:50 pm

2 stops22h 43m

Cork

Mon 7/28

7:20 am-10:59 pm

2 stops23h 39m

$799

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 11/5

2:32 pm-3:40 pm

2 stops17h 08m

Dublin

Sun 11/9

2:05 pm-9:58 am

1 stop27h 53m

$804

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 11/5

8:10 am-10:15 am

2 stops18h 05m

Dublin

Fri 11/14

11:30 am-10:59 pm

2 stops19h 29m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 39 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 $947). 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 June 12, 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.

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from San Jose to Ireland by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from San Jose to Ireland one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $427. Scandinavian Airlines flights start at $459 while deals on United Airlines start at $472 one-way.

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

    While some choose either San Jose - Shannon or San Jose - Milltown (Kerry) Kerry, 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 $947). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from San Jose to Ireland

Discover the top 4 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$522Average$642FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$550Average$684FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$576Average$711FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$607Average$1,098FlexibilityNo cancel feeOn-time71%

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