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Cheap flights from San Jose, California to Shannon from $363

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 Shannon departing on 9/5. 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 Shannon

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 - 7:30 am
SJC
-
SNN
17h 10m
1 stop
United Airlines Logo
9:30 am - 1:03 pm
SNN
-
SJC
35h 33m
2 stops
$758United Airlines
Sun, Sep 6 - Thu, Sep 10
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
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
$826United Airlines
Tue, Aug 4 - Thu, Aug 20
United Airlines Logo
6:30 am - 7:30 am
SJC
-
SNN
17h 00m
1 stop
United Airlines Logo
9:30 am - 5:31 pm
SNN
-
SJC
16h 01m
2 stops
$831United Airlines
Tue, Aug 4 - Thu, Aug 20
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
$847United Airlines
Sun, Aug 2 - Wed, Aug 12
United Airlines Logo
6:30 am - 7:30 am
SJC
-
SNN
17h 00m
1 stop
United Airlines Logo
12:30 pm - 11:46 am
SNN
-
SJC
31h 16m
2 stops
$852United Airlines
Sun, Aug 2 - Thu, Aug 13
United Airlines Logo
8:45 am - 7:30 am
SJC
-
SNN
14h 45m
2 stops
United Airlines Logo
9:30 am - 8:57 pm
SNN
-
SJC
19h 27m
2 stops
$855United Airlines
Mon, Aug 10 - Sun, Aug 23
United Airlines Logo
1:10 pm - 7:30 am
SJC
-
SNN
34h 20m
2 stops
United Airlines Logo
9:30 am - 10:41 pm
SNN
-
SJC
21h 11m
1 stop
$888United Airlines
Wed, Jul 8 - Wed, Sep 9

Delta flights from San Jose, California to Shannon, Clare

Our best Delta deals on San Jose, California to Shannon, Clare flight tickets
Delta
Aug 2
SJC10:00 pmSan Jose
29h 10m
2 stops
SNN11:10 amShannon
Aug 11
SNN1:05 pmShannon
27h 49m
2 stops
SJC8:54 amSan Jose
$852
Delta
Jun 15
SJC10:00 pmSan Jose
29h 10m
2 stops
SNN11:10 amShannon
Jun 26
SNN1:05 pmShannon
29h 44m
2 stops
SJC10:49 amSan Jose
$1,038
Delta
Jun 26
SJC7:20 amSan Jose
19h 50m
2 stops
SNN11:10 amShannon
Jul 3
SNN1:05 pmShannon
31h 33m
2 stops
SJC12:38 pmSan Jose
$1,258

United Airlines flights from San Jose, California to Shannon, Clare

Our best United Airlines deals on San Jose, California to Shannon, Clare 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
19h 40m
2 stops
SJC9:10 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 Shannon, Clare 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 12, 2026.
Use the filters below to find and compare flights from San Jose, California to Shannon, Clare 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-7:30 am

1 stop17h 10m

Shannon

Thu 9/10

9:30 am-1:03 pm

2 stops35h 33m

$758

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

Tue 8/4

6:30 am-7:30 am

1 stop17h 00m

Shannon

Thu 8/20

9:30 am-10:50 pm

1 stop21h 20m

$826
Quickest round-trip

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 8/4

6:30 am-7:30 am

1 stop17h 00m

Shannon

Thu 8/20

9:30 am-5:31 pm

2 stops16h 01m

$831

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 8/2

6:30 am-7:30 am

1 stop17h 00m

Shannon

Wed 8/12

9:30 am-10:50 pm

1 stop21h 20m

$847

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 8/2

6:30 am-7:30 am

1 stop17h 00m

Shannon

Thu 8/13

12:30 pm-11:46 am

2 stops31h 16m

$852

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-8:57 pm

2 stops19h 27m

$855

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Wed 7/8

1:10 pm-7:30 am

2 stops34h 20m

Shannon

Wed 9/9

9:30 am-10:41 pm

1 stop21h 11m

$888

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 Shannon from

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

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 airline that flies from San Jose to Shannon?

United Airlines and Lufthansa are the most popular carriers operating from San Jose to Shannon

What airlines fly to Shannon, Clare?

United Airlines, American Airlines and British Airways are the top three most popular airlines that fly to Shannon, Clare from San Jose, California according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Shannon, Clare. Keep in mind that there are 4 different airlines that fly to Shannon, Clare on a routine basis, so you have a few additional options to choose from.

When to book flights from San Jose, California to Shannon, Clare

Are you open to changing your travel dates? Check out the ideal times to fly from San Jose, California to Shannon, Clare according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Jose, California to Shannon, Clare (SJC to SNN) flight deals and tips

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

Fastest flight time

17h 00m

Direct flights

None
The fastest flight from San Jose, California to Shannon, Clare takes 17h 00m
There are no direct flights from San Jose, California to Shannon, Clare. There are no popular flight routes from San Jose, California to Shannon, Clare.
Search flight deals

Frequently asked questions about flying from San Jose, California to Shannon, Clare

  • How far is San Jose to Shannon by plane?

    The straight-line distance from San Jose to Shannon is 5033.3 mi. Typically, this will take 17h 00m by plane in normal conditions.

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

    Prices for flights from San Jose Airport to Shannon Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Jose Airport to Shannon Airport.

  • What documentation or ID do you need to fly to Shannon Airport?

    The required travel and health documents for your Shannon Airport 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 Shannon Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Bunratty
Ennis
Adare
Lahinch
Nenagh

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Jose to Shannon for you.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Jose to Shannon.

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

If you are simply researching potential flights to Shannon, momondo offers a useful price alert feature which will track prices for flights to Shannon from San Jose and alert you when they change.

An easier way to manage your Shannon, Clare trip

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