Cheap flights from San Jose to Shannon from $513

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 to Shannon departing on 10/7. 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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Cheap round-trip flights

United Airlines Logo
6:30 am - 7:30 amSJC-SNN
17h 00m1 stop
United Airlines Logo
9:30 am - 10:40 pmSNN-SJC
21h 10m1 stop
$700United Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
United Airlines Logo
8:45 am - 7:30 amSJC-SNN
14h 45m2 stops
United Airlines Logo
12:30 pm - 10:40 pmSNN-SJC
18h 10m2 stops
$704United Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
United Airlines Logo
8:45 am - 10:15 amSJC-SNN
17h 30m2 stops
United Airlines Logo
12:30 pm - 9:52 amSNN-SJC
29h 22m2 stops
$778United Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 18
United Airlines Logo
6:30 am - 7:30 amSJC-SNN
17h 00m1 stop
United Airlines Logo
9:30 am - 10:40 pmSNN-SJC
21h 10m1 stop
$810United Airlines
Find Deal
Mon, Sep 8 - Thu, Sep 11
United Airlines Logo
6:30 am - 10:15 amSJC-SNN
19h 45m2 stops
United Airlines Logo
12:30 pm - 10:24 pmSNN-SJC
17h 54m2 stops
$846United Airlines
Find Deal
Fri, Oct 10 - Fri, Oct 17
United Airlines Logo
6:30 am - 10:15 amSJC-SNN
19h 45m2 stops
United Airlines Logo
12:30 pm - 10:24 pmSNN-SJC
17h 54m2 stops
$847United Airlines
Find Deal
Fri, Oct 10 - Fri, Oct 17
British Airways Logo
1:49 pm - 8:35 pmSJC-SNN
22h 46m2 stops
British Airways Logo
7:40 am - 9:08 pmSNN-SJC
21h 28m2 stops
$884British Airways
Find Deal
Thu, Sep 18 - Tue, Sep 30
British Airways Logo
3:15 pm - 4:45 pmSJC-SNN
17h 30m2 stops
British Airways Logo
8:05 pm - 10:59 pmSNN-SJC
34h 54m2 stops
$1,374British Airways
Find Deal
Wed, Dec 17 - Thu, Dec 18
 Logo
10:53 am - 11:20 amSJC-SNN
16h 27m2 stops
 Logo
12:30 pm - 10:39 pmSNN-SJC
18h 09m2 stops
$5,213
Find Deal
Tue, Oct 7 - Thu, Oct 16
British Airways Logo
6:00 am - 11:30 amSJC-SNN
21h 30m2 stops
British Airways Logo
7:50 am - 8:49 pmSNN-SJC
20h 59m2 stops
$5,335British Airways
Find Deal
Fri, Nov 7 - Sun, Nov 16

British Airways flights from San Jose to Shannon, Clare

Our best British Airways deals on San Jose to Shannon, Clare flight tickets
British Airways
Sep 18
SJC1:49 pmSan Jose
22h 46m
2 stops
SNN8:35 pmShannon
Sep 30
SNN7:40 amShannon
21h 28m
2 stops
SJC9:08 pmSan Jose
British Airways
Dec 17
SJC3:15 pmSan Jose
17h 30m
2 stops
SNN4:45 pmShannon
Dec 18
SNN8:05 pmShannon
34h 54m
2 stops
SJC10:59 pmSan Jose
British Airways
Nov 7
SJC6:00 amSan Jose
21h 30m
2 stops
SNN11:30 amShannon
Nov 16
SNN7:50 amShannon
20h 59m
2 stops
SJC8:49 pmSan Jose

United Airlines flights from San Jose to Shannon, Clare

Our best United Airlines deals on San Jose to Shannon, Clare flight tickets
United Airlines
Sep 9
SJC6:30 amSan Jose
17h 00m
1 stop
SNN7:30 amShannon
Sep 16
SNN9:30 amShannon
21h 10m
1 stop
SJC10:40 pmSan Jose
United Airlines
Sep 9
SJC8:45 amSan Jose
14h 45m
2 stops
SNN7:30 amShannon
Sep 16
SNN12:30 pmShannon
18h 10m
2 stops
SJC10:40 pmSan Jose
United Airlines
Oct 11
SJC8:45 amSan Jose
17h 30m
2 stops
SNN10:15 amShannon
Oct 18
SNN12:30 pmShannon
29h 22m
2 stops
SJC9:52 amSan Jose

momondo Fare Finder

 
Customize your flight search to find flights from San Jose 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 August 28, 2025.
Use the filters below to find and compare flights from San Jose to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 9/9

6:30 am-7:30 am

1 stop17h 00m

Shannon

Tue 9/16

9:30 am-10:40 pm

1 stop21h 10m

$700

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 9/9

8:45 am-7:30 am

2 stops14h 45m

Shannon

Tue 9/16

12:30 pm-10:40 pm

2 stops18h 10m

$704

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sat 10/11

8:45 am-10:15 am

2 stops17h 30m

Shannon

Sat 10/18

12:30 pm-9:52 am

2 stops29h 22m

$778

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Mon 9/8

6:30 am-7:30 am

1 stop17h 00m

Shannon

Thu 9/11

9:30 am-10:40 pm

1 stop21h 10m

$810

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Fri 10/10

6:30 am-10:15 am

2 stops19h 45m

Shannon

Fri 10/17

12:30 pm-10:24 pm

2 stops17h 54m

$846

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Fri 10/10

6:30 am-10:15 am

2 stops19h 45m

Shannon

Fri 10/17

12:30 pm-10:24 pm

2 stops17h 54m

$847

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 9/18

1:49 pm-8:35 pm

2 stops22h 46m

Shannon

Tue 9/30

7:40 am-9:08 pm

2 stops21h 28m

$884

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Wed 12/17

3:15 pm-4:45 pm

2 stops17h 30m

Shannon

Thu 12/18

8:05 pm-10:59 pm

2 stops34h 54m

$1,374

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 10/7

10:53 am-11:20 am

2 stops16h 27m

Shannon

Thu 10/16

12:30 pm-10:39 pm

2 stops18h 09m

$5,213

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Fri 11/7

6:00 am-11:30 am

2 stops21h 30m

Shannon

Sun 11/16

7:50 am-8:49 pm

2 stops20h 59m

$5,335

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Shannon from

How to get the cheapest flight ticket from San Jose 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?

British Airways is the most popular carrier operating from San Jose to Shannon

What airlines fly to Shannon, Clare?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Shannon, Clare from San Jose according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Shannon, Clare. Keep in mind that there are 7 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 to Shannon, Clare

Are you open to changing your travel dates? Check out the ideal times to fly from San Jose 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 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 to Shannon, Clare

Direct flights

None
There are no direct flights from San Jose to Shannon, Clare. There are no popular flight routes from San Jose 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 14h 45m 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
Ennis
Adare
Bunratty
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.

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1 adult
Tue 9/2
Tue 9/9

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