$260 Find Cheap Flights from San Jose to Ireland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Jose to Ireland departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Cheap Flights from San Jose to Ireland

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Dublin
Dublin2 stops$510
Shannon
Shannon2 stops$645
Cork
Cork2 stops$734
Knock
Knock2 stops$1,128
Dublin
Dublin2 stops$510
Shannon
Shannon2 stops$645
Cork
Cork2 stops$734
Knock
Knock2 stops$1,128

Book Cheap San Jose to Ireland Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Jose to Ireland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Jose to Ireland

Sat, Nov 1 - Fri, Dec 5
United Airlines Logo
6:30 am - 10:20 amSJC-DUB
44h 50m2 stops
United Airlines Logo
9:00 am - 9:27 pmDUB-SJC
44h 27m2 stops
$510United Airlines
Find Deal
Sat, Nov 1 - Fri, Dec 5
KLM Logo
12:40 pm - 7:45 amSJC-DUB
36h 05m1 stop
KLM Logo
9:45 am - 10:58 pmDUB-SJC
21h 13m1 stop
$513KLM
Find Deal
Sat, Nov 1 - Fri, Dec 5
 Logo
6:30 am - 7:10 amSJC-DUB
41h 40m3 stops
 Logo
9:00 am - 5:52 pmDUB-SJC
40h 52m2 stops
Sun, Oct 19 - Tue, Nov 4
Finnair Logo
8:00 am - 9:45 amSJC-DUB
17h 45m1 stop
Finnair Logo
6:05 pm - 8:48 pmDUB-SJC
34h 43m2 stops
$522Finnair
Find Deal
Sun, Oct 19 - Tue, Nov 4
Finnair Logo
8:00 am - 9:45 amSJC-DUB
17h 45m1 stop
Finnair Logo
6:05 pm - 8:48 pmDUB-SJC
34h 43m2 stops
$524Finnair
Find Deal
Sun, Oct 19 - Tue, Nov 4
American Airlines Logo
6:00 am - 9:40 amSJC-DUB
19h 40m2 stops
American Airlines Logo
10:55 am - 10:16 amDUB-SJC
31h 21m2 stops
$526American Airlines
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Wed, Nov 5 - Tue, Nov 11
Delta Logo
6:35 am - 7:45 amSJC-DUB
17h 10m1 stop
Delta Logo
9:45 am - 11:52 pmDUB-SJC
22h 07m2 stops
$527Delta
Find Deal
Sun, Oct 19 - Tue, Nov 4
American Airlines Logo
8:00 am - 9:40 amSJC-DUB
17h 40m2 stops
American Airlines Logo
1:25 pm - 10:16 amDUB-SJC
28h 51m2 stops
$528American Airlines
Find Deal
Tue, Nov 11 - Thu, Nov 20
 Logo
11:06 am - 2:20 pmSJC-DUB
19h 14m2 stops
 Logo
8:50 am - 8:49 pmDUB-SJC
19h 59m2 stops
Wed, Nov 5 - Tue, Nov 11
Delta Logo
11:35 am - 12:40 pmSJC-DUB
17h 05m2 stops
Delta Logo
9:45 am - 10:17 pmDUB-SJC
20h 32m2 stops
$572Delta
Find Deal
Booking Insights

KAYAK's insights & trends for San Jose to Ireland flights

Get data-powered insights and trends into flights from San Jose to Ireland to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from San Jose to Ireland?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Jose to Ireland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Jose to Ireland is January, when tickets cost $553 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $1,660 and $1,395 respectively.

Good to know

Low seasonJanuary
Cheapest flight$260
Best time to beat the crowds with an average 38% drop in price.
Most popular time to fly and prices are also 24% lower on average.
Flight from San Jose to Dublin

FAQs - booking Ireland flights

  • How does KAYAK find such low prices on flights from San Jose to Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Jose to Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Jose to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from San Jose to Ireland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Jose to Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from San Jose to Ireland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Jose to Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from San Jose to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Ireland?

    The cheapest time of day to fly to Ireland is generally in the evening, when round-trip flights cost $726 on average. Morning departures are around 11% more expensive than evening flights, on average. The most expensive time of day to fly to Ireland is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $841.

Reviews of the top airlines flying from San Jose to Ireland

 
Need help choosing which airline to fly with from San Jose to Ireland? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
American AirlinesOverall score based on 10000 reviews
6.5Food
6.9Entertainment
7.5Boarding
7.2Comfort
8.0Crew
Airline reviews

The entertainment package was vast and the selections were very current. Keep updating it was great.

8.0 ExcellentAnonymous, Aug 2025SAN - DFW
Read more American Airlines reviews

The entertainment package was vast and the selections were very current. Keep updating it was great.

The seat was so hard my tailbone was aching The crew was kind of a b**** because I made a joke that I didn't care if they close the door I total c*** when she was trying to f****** act like she was mad at me because I said that The flight was bumpy. Sure you didnt have control over that.

4 hours late, including over +1 hour waiting in plane to take off. Baggage left behind too.

While waiting to claim my checked luggage, I discovered the airline had lost it. After a long wait and inquiries, I discovered it was on another flight. Fortunately, the airline finally sent my luggage home.

Was not able to watch most shows on the entertainment site. They would not load

Our flight was 1.5 hours delayed. There was no weather for the inbound flight, so I don't understand why. This meant a VERY late arrival and only a quick nap before my morning flight.

Delayed flight, so I switched fights to SFO to Phoenix , Phoenix to DSM. Excellent service through American Airlines

AA re-routed flight from HNL to LAX due to delay. My group of 3 with reserved seats in row 9 was broken up, with one assigned to a middle seat, another in the last row of the plane. Not happy. No explanation to the delay. No apologies. No compensation. Would have been nice to be offered an Admiral Club admission or a voucher for the extra 3 hours of layover in LAX. Could not hear the boarding gate announcements in LAX. Adjacent gate was boarding at the same time. Loud speakers were competing against each other. Barely made my boarding group.

Almost a 6 hour flight and the only food option is a cheese plate… and chips. Also how is it there are no options for texting on American. I’ll be going back to delta and united.

Bad food, small seats that didn’t recline. I thought I was buying a quantas ticket so I feel like I got scammed

Coming from the EU to the USA, Aer Lingus is a very good choice. You clear U.S. border control while still at the departure airport, so when you land in the States, you don’t need to go through the entry process again — very efficient and fast. In terms of comfort, Aer Lingus is better than the usual EU carriers like KLM, Lufthansa, or Air France, and also better than United. There’s more legroom, and the crew is helpful and kind. The food is average but slightly better than most airlines. Overall, the crew is definitely better than on American Airlines, though not quite at the level of Virgin.

Best travel day I've had in a long time. Everything went perfectly, no delays. 10 out of 10

Seat is business could have been a lot cleaner, but space was nice and seat was comfortable

Terrible. The test of an airline is how they deal with problems. There is very little to differentiate between airlines. Aer Lingus failed absolutely. They lost one of my bags even though we had more than a 2 hour connection in Dublin. Trying to get it back has been awful. In checking on line I can see that the bag is in Edinburgh and it was supposed to be delivered today. It wasn't. The number we have in the UK doesn't answer. I had to pay for an international call to speak to somebody. All the woman at the call centre could say was be patient wait. I can tell you when it will be delivered nor can I tell you who the courier is.

A little late, but an overall pleasant flight. Staff pleasent hand helpful, a great start to our holiday.

Poor check-in experience in Manchester. Delayed boarding and check-in agent never explained how to transfer in NYC to JetBlue.

Overall it was good experience and it was my first trip with Aer Lingus. One thing I was embarrassed was that someone occupied my seat so I was asked to use another seat. Due to this unhappy happening I almost missed the connecting flight because the random seat was far from the flight door. Food was fine, I liked the macaroni and cheese with fresh bread.

I was very disappointed that the online sys allowed me to get the boarding pass for the second leg of the trip, when I clearly request it for both flights!

It was my first transatlantic flight with Aer Lingus. Very enjoyable. Thank you for making international travel enjoyable again.

Excellent as far as the flight is concerned. Faro airport passport check was a huge delay and worrisome re missing the flight. 45 minutes there through passport control

Everything you need to know for your flight from San Jose to Ireland

Information on your arrival and departure airports

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