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Cheap flights from San Jose, California to Ireland from $351

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose, California to Ireland departing on 9/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Jose, California to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:20 am - 7:30 am
SJC
-
SNN
17h 10m
1 stop
United Airlines Logo
9:30 am - 10:41 pm
SNN
-
SJC
21h 11m
1 stop
$753United Airlines
Sun, Sep 6 - Thu, Sep 10
United Airlines Logo
6:20 am - 10:15 am
SJC
-
SNN
19h 55m
2 stops
United Airlines Logo
9:30 am - 10:41 pm
SNN
-
SJC
21h 11m
1 stop
$758United Airlines
Sun, Sep 6 - Thu, Sep 10
Scandinavian Airlines Logo
6:30 am - 6:20 pm
SJC
-
DUB
27h 50m
2 stops
Scandinavian Airlines Logo
12:40 pm - 10:41 pm
DUB
-
SJC
42h 01m
2 stops
$793Scandinavian Airlines
Sun, Aug 30 - Wed, Sep 16
United Airlines Logo
6:30 am - 7:30 am
SJC
-
SNN
17h 00m
1 stop
United Airlines Logo
9:30 am - 10:50 pm
SNN
-
SJC
21h 20m
1 stop
$820United Airlines
Mon, Aug 10 - Sun, Aug 23
United Airlines Logo
8:45 am - 7:30 am
SJC
-
SNN
14h 45m
2 stops
United Airlines Logo
9:30 am - 10:50 pm
SNN
-
SJC
21h 20m
1 stop
$825United Airlines
Mon, Aug 10 - Sun, Aug 23
Delta Logo
10:00 pm - 11:10 am
SJC
-
SNN
29h 10m
2 stops
Delta Logo
1:05 pm - 8:54 am
SNN
-
SJC
27h 49m
2 stops
$852Delta
Sun, Aug 2 - Tue, Aug 11
Air Canada Logo
12:51 pm - 7:45 am
SJC
-
DUB
34h 54m
2 stops
Air Canada Logo
9:20 am - 5:30 pm
DUB
-
SJC
40h 10m
2 stops
$853Air Canada
Mon, Aug 31 - Fri, Sep 18
Air Canada Logo
6:37 pm - 7:45 am
SJC
-
DUB
53h 08m
2 stops
Air Canada Logo
9:50 am - 1:03 pm
DUB
-
SJC
35h 13m
2 stops
$859Air Canada
Sun, Aug 30 - Thu, Sep 17
Icelandair Logo
10:03 am - 10:15 am
SJC
-
DUB
16h 12m
2 stops
Icelandair Logo
11:30 am - 10:12 pm
DUB
-
SJC
18h 42m
2 stops
$868Icelandair
Wed, Nov 4 - Tue, Nov 17
Delta Logo
7:00 am - 2:40 pm
SJC
-
ORK
23h 40m
2 stops
Delta Logo
6:15 am - 4:15 pm
ORK
-
SJC
18h 00m
2 stops
$1,000Delta
Tue, Jul 7 - Tue, Sep 8

Icelandair flights from San Jose, California to Ireland

Our best Icelandair deals on San Jose, California to Ireland flight tickets
Icelandair
Nov 4
SJC10:03 amSan Jose
16h 12m
2 stops
DUB10:15 amDublin
Nov 17
DUB11:30 amDublin
18h 42m
2 stops
SJC10:12 pmSan Jose
$868
Icelandair
Sep 9
SJC2:38 pmSan Jose
36h 27m
2 stops
DUB11:05 amDublin
Dec 2
DUB11:30 amDublin
19h 30m
2 stops
SJC11:00 pmSan Jose
$897
Icelandair
Sep 1
SJC1:42 pmSan Jose
39h 33m
2 stops
DUB1:15 pmDublin
Sep 9
DUB12:15 pmDublin
35h 36m
2 stops
SJC3:51 pmSan Jose
$900

United Airlines flights from San Jose, California to Ireland

Our best United Airlines deals on San Jose, California to Ireland flight tickets
United Airlines
Sep 6
SJC6:20 amSan Jose
17h 10m
1 stop
SNN7:30 amShannon
Sep 10
SNN9:30 amShannon
21h 11m
1 stop
SJC10:41 pmSan Jose
$753
United Airlines
Sep 6
SJC6:20 amSan Jose
19h 55m
2 stops
SNN10:15 amShannon
Sep 10
SNN9:30 amShannon
21h 11m
1 stop
SJC10:41 pmSan Jose
$758
United Airlines
Aug 10
SJC6:30 amSan Jose
17h 00m
1 stop
SNN7:30 amShannon
Aug 23
SNN9:30 amShannon
21h 20m
1 stop
SJC10:50 pmSan Jose
$820

momondo Fare Finder

 
Customize your flight search to find flights from San Jose, California 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, momondo users made 832,500 searches. Data last updated May 10, 2026.
Use the filters below to find and compare flights from San Jose, California to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 9/6

6:20 am-7:30 am

1 stop17h 10m

Shannon

Thu 9/10

9:30 am-10:41 pm

1 stop21h 11m

$753

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 9/6

6:20 am-10:15 am

2 stops19h 55m

Shannon

Thu 9/10

9:30 am-10:41 pm

1 stop21h 11m

$758

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 8/30

6:30 am-6:20 pm

2 stops27h 50m

Dublin

Wed 9/16

12:40 pm-10:41 pm

2 stops42h 01m

$793

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Mon 8/10

6:30 am-7:30 am

1 stop17h 00m

Shannon

Sun 8/23

9:30 am-10:50 pm

1 stop21h 20m

$820

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Mon 8/10

8:45 am-7:30 am

2 stops14h 45m

Shannon

Sun 8/23

9:30 am-10:50 pm

1 stop21h 20m

$825

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 8/2

10:00 pm-11:10 am

2 stops29h 10m

Shannon

Tue 8/11

1:05 pm-8:54 am

2 stops27h 49m

$852

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Mon 8/31

12:51 pm-7:45 am

2 stops34h 54m

Dublin

Fri 9/18

9:20 am-5:30 pm

2 stops40h 10m

$853

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Sun 8/30

6:37 pm-7:45 am

2 stops53h 08m

Dublin

Thu 9/17

9:50 am-1:03 pm

2 stops35h 13m

$859
Quickest round-trip

San JoseDublin

SJC - DUB

SJCDUB

San Jose

Wed 11/4

10:03 am-10:15 am

2 stops16h 12m

Dublin

Tue 11/17

11:30 am-10:12 pm

2 stops18h 42m

$868

San JoseCork

SJC - ORK

SJCORK

San Jose

Tue 7/7

7:00 am-2:40 pm

2 stops23h 40m

Cork

Tue 9/8

6:15 am-4:15 pm

2 stops18h 00m

$1,000

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from San Jose, California to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

In general, April is the cheapest month to fly from San Jose, California to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Ireland during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $0.

Can stopping save me money on San Jose, California to Ireland flights?

You could potentially save up to 24% on your flight if you consider stops on a San Jose, California to Ireland flight.

Cheap San Jose, California to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Jose, California to Ireland

Fastest flight time

15h 02m

Direct flights

None
The fastest flight from San Jose, California to Ireland takes 15h 02m
There are no direct flights from San Jose, California to Ireland. There are no popular flight routes from San Jose, California to Ireland.
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Frequently asked questions about flying from San Jose, California to Ireland

  • When did momondo last update prices for flights from San Jose Airport to Ireland?

    Prices for flights from San Jose Airport to Ireland are updated daily.

  • How old do you have to be to fly from San Jose Airport to Ireland?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Jose Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from San Jose to Ireland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Jose to Ireland. momondo saves you time and could save you money on your trip.

Can I find flights from San Jose to Ireland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ireland from San Jose with this policy.

How can momondo help me find flights from San Jose to Ireland?

Once all potential San Jose to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Jose to Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Jose to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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