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Ireland

$421+ Cheap flights from San Jose, CA (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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — DUB
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This eDestinos deal was found by Cheapflights users on 1/25. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:45 pm
SJC
-
DUB
2 stops36h 05m
Scandinavian Airlines
Tue 11/312:30 pm
DUB
-
SJC
2 stops42h 28m
Scandinavian Airlines
Deal found 1/25$554
This Ovago deal was found by Cheapflights users on 1/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:40 am
SJC
-
SNN
1 stop16h 50m
Multiple Airlines
Tue 9/159:30 am
SNN
-
SJC
1 stop21h 06m
Multiple Airlines
Deal found 1/26$602
This Ovago deal was found by Cheapflights users on 1/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:46 pm
SJC
-
DUB
2 stops17h 59m
British Airways
Tue 11/38:50 am
DUB
-
SJC
2 stops19h 59m
British Airways
Deal found 1/26$631
This KAYAK deal was found by Cheapflights users on 1/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/233:37 pm
SJC
-
DUB
2 stops37h 08m
Scandinavian Airlines
Wed 5/612:40 pm
DUB
-
SJC
2 stops42h 13m
Scandinavian Airlines
Deal found 1/25$634
This United Airlines deal was found by Cheapflights users on 1/25. 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 3/2210:55 pm
SJC
-
DUB
2 stops25h 35m
United Airlines
Tue 5/59:50 am
DUB
-
SJC
2 stops35h 38m
United Airlines
Deal found 1/25$635
This oojo deal was found by Cheapflights users on 1/26. 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 2/2412:52 pm
SJC
-
DUB
2 stops20h 08m
British Airways
Tue 3/108:50 am
DUB
-
SJC
2 stops19h 31m
British Airways
Deal found 1/26$637
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Sat 3/2810:55 pm
SJC
-
DUB
1 stop26h 50m
United Airlines
Fri 5/19:20 am
DUB
-
SJC
2 stops36h 08m
United Airlines
Deal found 1/25$638
This Air Canada deal was found by Cheapflights users on 1/25. 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 3/78:45 am
SJC
-
DUB
2 stops37h 25m
Air Canada
Wed 4/159:50 am
DUB
-
SJC
2 stops43h 18m
Air Canada
Deal found 1/25$639
This oojo deal was found by Cheapflights users on 1/25. 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 4/286:00 am
SJC
-
DUB
2 stops19h 40m
British Airways
Tue 5/128:25 pm
DUB
-
SJC
2 stops34h 34m
British Airways
Deal found 1/25$641
This KLM deal was found by Cheapflights users on 1/26. 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 10/137:15 am
SJC
-
DUB
1 stop17h 30m
KLM
Tue 11/35:55 am
DUB
-
SJC
2 stops18h 20m
KLM
Deal found 1/26$642
This United Airlines deal was found by Cheapflights users on 1/26. 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 10/136:40 am
SJC
-
DUB
1 stop19h 05m
United Airlines
Tue 11/310:40 am
DUB
-
SJC
1 stop19h 56m
United Airlines
Deal found 1/26$645
This Air Canada deal was found by Cheapflights users on 1/25. 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 3/283:49 pm
SJC
-
DUB
2 stops56h 26m
Air Canada
Thu 5/79:50 am
DUB
-
SJC
2 stops39h 33m
Air Canada
Deal found 1/25$646

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$634
(KAYAK)

One-way from

$421
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$796
Provider with most accurate pricing for San Jose-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Dublin flights.
Search Deals
From San Jose to Ireland
Search Deals
One-way flight from San Jose to Ireland
Search Deals
Highest demand for flights based on searches. 35% potential increase in price ($459 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($98 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
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

Wed 2/25

8:50 am-8:10 am

2 stops15h 20m

Dublin

Fri 4/17

9:50 am-9:08 pm

2 stops19h 18m

$659

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 3/4

8:50 am-8:10 am

2 stops15h 20m

Dublin

Thu 4/16

9:50 am-10:36 pm

2 stops20h 46m

$659

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Tue 2/10

2:06 pm-4:20 pm

2 stops18h 14m

Dublin

Thu 2/26

5:55 am-5:33 pm

2 stops19h 38m

$662

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 2/22

5:45 am-7:45 am

2 stops18h 00m

Dublin

Tue 4/14

10:00 am-8:37 pm

1 stop18h 37m

$662

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 3/4

6:45 am-8:45 am

2 stops18h 00m

Dublin

Fri 5/1

10:00 am-8:37 pm

1 stop18h 37m

$662

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sat 2/28

1:57 pm-7:45 am

1 stop33h 48m

Dublin

Fri 4/17

11:00 am-9:45 pm

1 stop18h 45m

$665

San JoseCork

SJC - ORK

SJCORK

San Jose

Wed 3/11

9:15 am-10:45 am

2 stops18h 30m

Cork

Wed 3/18

5:15 pm-5:25 pm

2 stops31h 10m

$666

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sat 2/14

3:55 pm-8:10 am

2 stops32h 15m

Dublin

Tue 2/24

9:30 am-9:05 pm

2 stops19h 35m

$671

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Tue 3/17

10:55 pm-8:10 am

1 stop26h 15m

Dublin

Mon 3/30

9:50 am-9:07 pm

2 stops43h 17m

$688

San JoseCork

SJC - ORK

SJCORK

San Jose

Thu 2/26

2:07 pm-9:00 pm

2 stops22h 53m

Cork

Thu 3/5

7:40 am-10:31 pm

2 stops22h 51m

$706

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 47 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, California to Ireland?

Currently, August is the cheapest month in which you can book a flight from San Jose, California to Ireland (average of $455). Flying from San Jose, California to Ireland in June is currently the most expensive (average of $716). 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.

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 January 27, 2026.
See what other customers who have flown with 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.
Aer Lingus
7.2
Good
1,442 reviews

Food

6.6

Overall

7.2

Crew

8.0

Comfort

7.1

Boarding

7.4

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Catherine,Dec 2025

AGP - DUB

Flight out to Malaga was terrific on A330 but flight back on A320 no where as good. Seat was uncomfortable, sweet wrappers & toilet paper on the floor at my seat. Rubbish in holder of seat in front. All unpleasant. Flight itself was fine & crew otherwise very good.
Aer Lingus
7.2
Good
1,442 reviews
Aer Lingus
7.2
Good
1,442 reviews

Food

6.6

Overall

7.2

Crew

8.0

Comfort

7.1

Boarding

7.4

Entertainment

6.9

Reviews

1 / 20
4.0
Okay

Catherine,Dec 2025

AGP - DUB

Flight out to Malaga was terrific on A330 but flight back on A320 no where as good. Seat was uncomfortable, sweet wrappers & toilet paper on the floor at my seat. Rubbish in holder of seat in front. All unpleasant. Flight itself was fine & crew otherwise very good.

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, California to Ireland?

    Departing from San Jose, California to Ireland will take you 15h 20m. There are 5083 mi between San Jose, California and Ireland. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    While some choose either San Jose - Cork or San Jose - Knock Intl, San Jose - Dublin is the most popular route from San Jose, California 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, California to Ireland?

    Currently, August is the cheapest month in which you can book a flight from San Jose, California to Ireland (average of $455). Flying from San Jose, California to Ireland in June is currently the most expensive (average of $716). 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

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Top airline flying from San Jose to Ireland

Discover the top airline 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$687Average$1,081FlexibilityNo cancel feeOn-timeN/A

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