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Ireland

$366+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — DUB
Apr 9 — Apr 161
Wed 4/9
Wed 4/16
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 April 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$562
(United Airlines)

One-way from

$397
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$680
Provider with most accurate pricing for San Jose-Dublin flight deals.
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Provider most trusted by Cheapflights users for San Jose-Dublin flights.
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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. 16% potential increase in price ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 4, 2025.

This United Airlines deal was found by Cheapflights users on 4/2. 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 4/228:30 amSJC - DUB
2 stops18h 40mUnited Airlines
Thu 8/219:20 amDUB - SJC
2 stops36h 06mUnited Airlines
Deal found 4/2$562
This Gotogate deal was found by Cheapflights users on 4/3. 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 4/138:30 amSJC - DUB
2 stops39h 45mAir Canada
Tue 4/299:50 amDUB - SJC
2 stops39h 41mAir Canada
Deal found 4/3$576
This lol.travel deal was found by Cheapflights users on 4/3. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/136:10 amSJC - DUB
1 stop19h 35mFinnair
Tue 4/2912:40 pmDUB - SJC
1 stop16h 48mFinnair
Deal found 4/3$578
This United deal was found by Cheapflights users on 4/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/136:35 amSJC - DUB
1 stop19h 10mMultiple Airlines
Tue 4/299:50 amDUB - SJC
2 stops33h 52mMultiple Airlines
Deal found 4/3$583
This Delta deal was found by Cheapflights users on 4/2. 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 4/226:15 amSJC - DUB
1 stop17h 30mDelta
Thu 8/2111:00 amDUB - SJC
1 stop16h 50mDelta
Deal found 4/2$595
This Delta deal was found by Cheapflights users on 4/3. 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.
Sun 4/201:10 pmSJC - ORK
2 stops41h 30mDelta
Wed 4/306:00 amORK - SJC
2 stops25h 54mDelta
Deal found 4/3$625
This Expedia deal was found by Cheapflights users on 4/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/112:19 pmSJC - DUB
1 stop35h 26mIberia
Wed 4/2312:40 pmDUB - SJC
1 stop16h 48mIberia
Deal found 4/3$662
This United Airlines deal was found by Cheapflights users on 4/4. 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 5/198:30 amSJC - SNN
2 stops17h 45mUnited Airlines
Mon 5/269:30 amSNN - SJC
1 stop21h 09mUnited Airlines
Deal found 4/4$722
This American Airlines deal was found by Cheapflights users on 4/4. 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 4/112:19 pmSJC - ORK
2 stops21h 31mAmerican Airlines
Wed 4/237:20 amORK - SJC
2 stops22h 08mAmerican Airlines
Deal found 4/4$766
This KLM deal was found by Cheapflights users on 4/3. 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 5/226:30 amSJC - DUB
1 stop17h 15mKLM
Fri 5/3010:00 amDUB - SJC
1 stop18h 31mKLM
Deal found 4/3$799
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Sun 4/279:57 amSJC - DUB
2 stops26h 58mAmerican Airlines
Tue 8/191:45 pmDUB - SJC
2 stops36h 39mAmerican Airlines
Deal found 4/2$810
This British Airways deal was found by Cheapflights users on 4/2. 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 4/2212:15 pmSJC - DUB
2 stops18h 35mBritish Airways
Mon 8/187:00 pmDUB - SJC
2 stops33h 33mBritish Airways
Deal found 4/2$837

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 April 4, 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 4/22

8:30 am-11:10 am

2 stops18h 40m

Dublin

Thu 8/21

9:20 am-1:26 pm

2 stops36h 06m

$562

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 4/13

8:30 am-8:15 am

2 stops39h 45m

Dublin

Tue 4/29

9:50 am-5:31 pm

2 stops39h 41m

$576

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 4/13

6:10 am-9:45 am

1 stop19h 35m

Dublin

Tue 4/29

12:40 pm-9:28 pm

1 stop16h 48m

$578

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 4/13

6:35 am-9:45 am

1 stop19h 10m

Dublin

Tue 4/29

9:50 am-11:42 am

2 stops33h 52m

$583

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Tue 4/22

6:15 am-7:45 am

1 stop17h 30m

Dublin

Thu 8/21

11:00 am-7:50 pm

1 stop16h 50m

$595

San JoseCork

SJC - ORK

SJCORK

San Jose

Sun 4/20

1:10 pm-2:40 pm

2 stops41h 30m

Cork

Wed 4/30

6:00 am-11:54 pm

2 stops25h 54m

$625

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Fri 4/11

2:19 pm-9:45 am

1 stop35h 26m

Dublin

Wed 4/23

12:40 pm-9:28 pm

1 stop16h 48m

$662

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Mon 5/19

8:30 am-10:15 am

2 stops17h 45m

Shannon

Mon 5/26

9:30 am-10:39 pm

1 stop21h 09m

$722

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Thu 5/22

6:30 am-7:45 am

1 stop17h 15m

Dublin

Fri 5/30

10:00 am-8:31 pm

1 stop18h 31m

$799

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 4/27

9:57 am-8:55 pm

2 stops26h 58m

Dublin

Tue 8/19

1:45 pm-6:24 pm

2 stops36h 39m

$810

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 31 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 $1,006). 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 April 4, 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 April 4, 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
7,897 reviews

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
8,619 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
1,328 reviews
Delta
8.0
Very good
7,897 reviews

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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 Delta, which is currently one of the cheapest options available, starting at $447. United Airlines flights start at $494 while deals on WestJet start at $580 one-way.

  • 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 $1,006). 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 5 airlines flying from San Jose to Ireland

Discover the top 5 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 April 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$544Average$684FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$553Average$823FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$576Average$710FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$650Average$742FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$650Average$810FlexibilityNo cancel feeOn-time71%

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