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Ireland

$418+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — DUB
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$477
(United Airlines)

One-way from

$418

Popular in

June

Cheapest in

January

Average price

$1,126
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 July 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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/3. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:00 amSJC - DUB
2 stops16h 10mUnited Airlines
Wed 8/208:50 amDUB - SJC
2 stops16h 27mUnited Airlines
Deal found 7/3$477
This Iberia deal was found by Cheapflights users on 7/1. 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 8/411:38 amSJC - DUB
1 stop14h 07mIberia
Wed 8/2012:40 pmDUB - SJC
1 stop16h 24mIberia
Deal found 7/1$488
This American Airlines deal was found by Cheapflights users on 7/1. 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 8/410:03 amSJC - DUB
2 stops15h 37mMultiple Airlines
Wed 8/209:30 amDUB - SJC
2 stops19h 34mMultiple Airlines
Deal found 7/1$490
This oojo deal was found by Cheapflights users on 7/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/193:17 pmSJC - DUB
2 stops36h 33mScandinavian Airlines
Tue 8/2612:40 pmDUB - SJC
2 stops41h 32mScandinavian Airlines
Deal found 7/2$576
This Delta deal was found by Cheapflights users on 7/3. 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.
Tue 7/226:20 amSJC - DUB
1 stop17h 35mDelta
Thu 7/3112:00 pmDUB - SJC
2 stops19h 36mDelta
Deal found 7/3$597
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/612:22 pmSJC - ORK
2 stops19h 03mAmerican Airlines
Sat 12/137:40 amORK - SJC
2 stops22h 43mAmerican Airlines
Deal found 7/3$601
This Air Canada deal was found by Cheapflights users on 7/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/136:24 pmSJC - DUB
2 stops29h 21mAir Canada
Tue 7/229:20 amDUB - SJC
2 stops39h 58mAir Canada
Deal found 7/2$691
This KLM deal was found by Cheapflights users on 7/3. 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.
Tue 7/226:20 amSJC - DUB
1 stop17h 35mKLM
Thu 7/3111:00 amDUB - SJC
1 stop19h 50mKLM
Deal found 7/3$693
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 8/156:20 amSJC - SNN
1 stop17h 10mUnited Airlines
Fri 8/229:30 amSNN - SJC
1 stop21h 10mUnited Airlines
Deal found 7/1$718
This Finnair deal was found by Cheapflights users on 7/2. 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 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 7/2$757
This oojo deal was found by Cheapflights users on 7/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/168:10 amSJC - DUB
2 stops18h 05mIcelandair
Thu 11/2011:30 amDUB - SJC
2 stops19h 29mIcelandair
Deal found 7/2$794
This Air Canada deal was found by Cheapflights users on 7/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:45 amSJC - ORK
3 stops22h 40mAir Canada
Sat 12/1311:55 amORK - SJC
3 stops33h 32mAir Canada
Deal found 7/3$835

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 July 3, 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-7:10 am

2 stops16h 10m

Dublin

Wed 8/20

8:50 am-5:17 pm

2 stops16h 27m

$477

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Mon 8/4

11:38 am-9:45 am

1 stop14h 07m

Dublin

Wed 8/20

12:40 pm-9:04 pm

1 stop16h 24m

$488

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Mon 8/4

10:03 am-9:40 am

2 stops15h 37m

Dublin

Wed 8/20

9:30 am-9:04 pm

2 stops19h 34m

$490

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Tue 8/19

3:17 pm-11:50 am

2 stops36h 33m

Dublin

Tue 8/26

12:40 pm-10:12 pm

2 stops41h 32m

$576

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Tue 7/22

6:30 am-8:45 am

1 stop18h 15m

Dublin

Thu 7/31

12:00 pm-11:36 pm

2 stops19h 36m

$597

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 7/13

6:24 pm-7:45 am

2 stops29h 21m

Dublin

Tue 7/22

9:20 am-5:18 pm

2 stops39h 58m

$691

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Tue 7/22

6:20 am-7:55 am

1 stop17h 35m

Dublin

Thu 7/31

11:00 am-10:50 pm

1 stop19h 50m

$693

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Fri 8/15

6:20 am-7:30 am

1 stop17h 10m

Shannon

Fri 8/22

9:30 am-10:40 pm

1 stop21h 10m

$718

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

$757

San JoseCork

SJC - ORK

SJCORK

San Jose

Wed 7/30

6:00 am-10:45 am

2 stops20h 45m

Cork

Wed 8/6

8:30 pm-4:41 pm

2 stops28h 11m

$860

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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 $929). 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 July 3, 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 July 3, 2025.
See what other customers who have flown with Delta, KLM, and Finnair 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.
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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
1,366 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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
1,306 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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
8,845 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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
1,416 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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 $418. Scandinavian Airlines flights start at $465 while deals on KLM start at $471 one-way.

  • 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 $929). 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 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$522Average$594FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$550Average$684FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$576Average$786FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$650Average$1,098FlexibilityNo cancel feeOn-time71%

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