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$492+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — DUB
May 5 — May 121
Mon 5/5
Mon 5/12
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 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$719
(Delta)

One-way from

$492
(Iberia)

Popular in

June

Cheapest in

January

Average price

$682
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. 18% potential increase in price ($173 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($31 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 30, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 4/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/221:55 pmSJC - DUB
2 stops37h 55mScandinavian Airlines
Wed 10/112:40 pmDUB - SJC
2 stops41h 06mScandinavian Airlines
Deal found 4/29$631
This Delta deal was found by Cheapflights users on 4/29. 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 9/47:20 amSJC - SNN
2 stops19h 50mDelta
Thu 9/111:05 pmSNN - SJC
2 stops29h 48mDelta
Deal found 4/29$719
This United Airlines deal was found by Cheapflights users on 4/29. 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 9/46:30 amSJC - SNN
1 stop17h 00mUnited Airlines
Thu 9/119:30 amSNN - SJC
1 stop21h 10mUnited Airlines
Deal found 4/29$723
This Mytrip deal was found by Cheapflights users on 4/28. 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 5/126:00 amSJC - DUB
3 stops21h 05mMultiple Airlines
Thu 5/156:40 pmDUB - SJC
3 stops47h 25mMultiple Airlines
Deal found 4/28$734
This United Airlines deal was found by Cheapflights users on 4/29. 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 9/76:30 amSJC - DUB
1 stop19h 15mUnited Airlines
Thu 9/189:20 amDUB - SJC
2 stops36h 14mUnited Airlines
Deal found 4/29$787
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Fri 9/56:20 pmSJC - DUB
2 stops53h 25mAir Canada
Wed 9/179:50 amDUB - SJC
2 stops43h 28mAir Canada
Deal found 4/29$799
This oojo deal was found by Cheapflights users on 4/28. 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.
Sun 11/910:05 amSJC - DUB
2 stops16h 10mIcelandair
Wed 11/1911:30 amDUB - SJC
2 stops18h 33mIcelandair
Deal found 4/28$800
This Finnair deal was found by Cheapflights users on 4/29. 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.
Sun 5/116:00 amSJC - DUB
1 stop19h 45mFinnair
Sat 5/2412:40 pmDUB - SJC
1 stop17h 04mFinnair
Deal found 4/29$837
This Delta deal was found by Cheapflights users on 4/29. 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 9/76:30 amSJC - DUB
1 stop17h 25mDelta
Sat 9/2011:00 amDUB - SJC
1 stop17h 04mDelta
Deal found 4/29$850
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/116:00 amSJC - DUB
2 stops16h 30mAmerican Airlines
Sat 5/249:30 amDUB - SJC
2 stops20h 14mAmerican Airlines
Deal found 4/29$873
This Iberia deal was found by Cheapflights users on 4/29. 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.
Fri 9/1212:17 pmSJC - DUB
1 stop13h 28mIberia
Tue 9/3012:40 pmDUB - SJC
1 stop16h 00mIberia
Deal found 4/29$879
This KLM deal was found by Cheapflights users on 4/28. 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.
Mon 5/126:30 amSJC - DUB
1 stop17h 25mKLM
Thu 5/1512:00 pmDUB - SJC
1 stop16h 31mKLM
Deal found 4/28$950

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 30, 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 9/22

1:55 pm-11:50 am

2 stops37h 55m

Dublin

Wed 10/1

12:40 pm-9:46 pm

2 stops41h 06m

$631

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 9/4

7:20 am-11:10 am

2 stops19h 50m

Shannon

Thu 9/11

1:05 pm-10:53 am

2 stops29h 48m

$719

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 9/4

6:30 am-7:30 am

1 stop17h 00m

Shannon

Thu 9/11

9:30 am-10:40 pm

1 stop21h 10m

$723

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Mon 5/12

6:00 am-11:05 am

3 stops21h 05m

Dublin

Thu 5/15

6:40 pm-10:05 am

3 stops47h 25m

$734

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Thu 9/4

12:17 pm-9:45 am

1 stop13h 28m

Dublin

Thu 9/11

12:40 pm-8:40 pm

1 stop16h 00m

$781

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 9/7

6:30 am-9:45 am

1 stop19h 15m

Dublin

Thu 9/18

9:20 am-1:34 pm

2 stops36h 14m

$787

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Fri 9/5

6:20 pm-7:45 am

2 stops53h 25m

Dublin

Wed 9/17

9:50 am-9:18 pm

2 stops43h 28m

$799

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 10/8

11:55 am-1:15 pm

2 stops17h 20m

Dublin

Wed 10/22

12:15 pm-10:03 pm

2 stops17h 48m

$818

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 5/11

6:00 am-9:45 am

1 stop19h 45m

Dublin

Sat 5/24

12:40 pm-9:44 pm

1 stop17h 04m

$837

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 9/7

6:30 am-7:55 am

1 stop17h 25m

Dublin

Sat 9/20

11:00 am-8:04 pm

1 stop17h 04m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 23 results
1
2
3

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 $981). 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 30, 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 30, 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
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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
1,275 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

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 United Airlines, which is currently one of the cheapest options available, starting at $493. WestJet flights start at $542 while deals on Delta start at $668 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 $981). 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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Alternative routes for San Jose to Ireland

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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$522Average$654FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$550Average$684FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$576Average$710FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$650Average$823FlexibilityNo cancel feeOn-time71%

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