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Cheap flights from San Jose, California to Shannon from $547

This is the cheapest round-trip 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 1/16. 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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Find the cheapest flights from San Jose, California to Shannon

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 11:30 amSJC-SNN
21h 30m2 stops
American Airlines Logo
7:50 am - 10:49 pmSNN-SJC
22h 59m2 stops
$547American Airlines
Find Deal
Fri, Jan 16 - Fri, Jan 23
British Airways Logo
12:46 pm - 7:25 pmSJC-SNN
22h 39m2 stops
British Airways Logo
8:05 pm - 9:29 pmSNN-SJC
33h 24m2 stops
$636British Airways
Find Deal
Tue, Jan 27 - Thu, Feb 5
American Airlines Logo
6:00 am - 4:45 pmSJC-SNN
26h 45m2 stops
American Airlines Logo
7:50 am - 9:29 pmSNN-SJC
45h 39m2 stops
$684American Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23
British Airways Logo
12:50 pm - 7:25 pmSJC-SNN
22h 35m2 stops
British Airways Logo
7:50 am - 10:26 pmSNN-SJC
22h 36m2 stops
$686British Airways
Find Deal
Thu, Jan 29 - Thu, Feb 12
British Airways Logo
2:08 pm - 4:10 pmSJC-SNN
18h 02m2 stops
British Airways Logo
7:40 am - 7:12 pmSNN-SJC
19h 32m2 stops
$688British Airways
Find Deal
Wed, Apr 1 - Wed, May 27
British Airways Logo
12:48 pm - 4:10 pmSJC-SNN
19h 22m2 stops
British Airways Logo
7:40 am - 6:24 pmSNN-SJC
18h 44m2 stops
$984British Airways
Find Deal
Mon, Jun 1 - Wed, Jun 10
British Airways Logo
12:56 pm - 4:45 pmSJC-SNN
19h 49m2 stops
British Airways Logo
8:05 pm - 9:29 pmSNN-SJC
33h 24m2 stops
$1,396British Airways
Find Deal
Thu, Jan 1 - Tue, Jan 6
Air Canada Logo
8:40 am - 11:30 amSJC-SNN
18h 50m3 stops
Air Canada Logo
7:50 am - 8:56 pmSNN-SJC
21h 06m3 stops
$1,514Air Canada
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Tue, Jan 27 - Thu, Feb 5
Air Canada Logo
8:40 am - 11:30 amSJC-SNN
18h 50m3 stops
Air Canada Logo
7:50 am - 8:56 pmSNN-SJC
21h 06m3 stops
$1,814Air Canada
Find Deal
Fri, Jan 16 - Fri, Jan 23
Air Canada Logo
8:40 am - 11:30 amSJC-SNN
18h 50m3 stops
Air Canada Logo
7:50 am - 9:06 pmSNN-SJC
21h 16m3 stops
$1,943Air Canada
Find Deal
Thu, Jan 29 - Thu, Feb 12

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

Our best American Airlines deals on San Jose, California to Shannon, Clare flight tickets
American Airlines
Jan 16
SJC6:00 amSan Jose
21h 30m
2 stops
SNN11:30 amShannon
Jan 23
SNN7:50 amShannon
22h 59m
2 stops
SJC10:49 pmSan Jose
$547
Find similar
American Airlines
Feb 19
SJC6:00 amSan Jose
26h 45m
2 stops
SNN4:45 pmShannon
Feb 23
SNN7:50 amShannon
45h 39m
2 stops
SJC9:29 pmSan Jose
$684
Find similar
American Airlines
Jan 16
SJC6:00 amSan Jose
16h 20m
2 stops
SNN6:20 amShannon
Jan 23
SNN7:50 amShannon
22h 59m
3 stops
SJC10:49 pmSan Jose
$5,774
Find similar

British Airways flights from San Jose, California to Shannon, Clare

Our best British Airways deals on San Jose, California to Shannon, Clare flight tickets
British Airways
Jan 27
SJC12:46 pmSan Jose
22h 39m
2 stops
SNN7:25 pmShannon
Feb 5
SNN8:05 pmShannon
33h 24m
2 stops
SJC9:29 pmSan Jose
$636
Find similar
British Airways
Jan 29
SJC12:50 pmSan Jose
22h 35m
2 stops
SNN7:25 pmShannon
Feb 12
SNN7:50 amShannon
22h 36m
2 stops
SJC10:26 pmSan Jose
$686
Find similar
British Airways
Apr 1
SJC2:08 pmSan Jose
18h 02m
2 stops
SNN4:10 pmShannon
May 27
SNN7:40 amShannon
19h 32m
2 stops
SJC7:12 pmSan Jose
$688
Find similar

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 December 3, 2025.
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

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Fri 1/16

6:00 am-11:30 am

2 stops21h 30m

Shannon

Fri 1/23

7:50 am-10:49 pm

2 stops22h 59m

$547

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 1/27

12:46 pm-7:25 pm

2 stops22h 39m

Shannon

Thu 2/5

8:05 pm-9:29 pm

2 stops33h 24m

$636

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 2/19

6:00 am-4:45 pm

2 stops26h 45m

Shannon

Mon 2/23

7:50 am-9:29 pm

2 stops45h 39m

$684

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 1/29

12:50 pm-7:25 pm

2 stops22h 35m

Shannon

Thu 2/12

7:50 am-10:26 pm

2 stops22h 36m

$686

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Wed 4/1

2:08 pm-4:10 pm

2 stops18h 02m

Shannon

Wed 5/27

7:40 am-7:12 pm

2 stops19h 32m

$688

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Mon 6/1

12:48 pm-4:10 pm

2 stops19h 22m

Shannon

Wed 6/10

7:40 am-6:24 pm

2 stops18h 44m

$984

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 1/1

12:56 pm-4:45 pm

2 stops19h 49m

Shannon

Tue 1/6

8:05 pm-9:29 pm

2 stops33h 24m

$1,396

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 1/27

8:40 am-11:30 am

3 stops18h 50m

Shannon

Thu 2/5

7:50 am-8:56 pm

3 stops21h 06m

$1,514

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Fri 1/16

8:40 am-11:30 am

3 stops18h 50m

Shannon

Fri 1/23

7:50 am-8:56 pm

3 stops21h 06m

$1,814

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 1/29

8:40 am-11:30 am

3 stops18h 50m

Shannon

Thu 2/12

7:50 am-9:06 pm

3 stops21h 16m

$1,943

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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?

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

What airlines fly to Shannon, Clare?

United Airlines, Delta and American Airlines 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 48% 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, 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

18h 02m

Direct flights

None
The fastest flight from San Jose, California to Shannon, Clare takes 18h 02m
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

  • 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 16h 20m 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
Adare
Bunratty
Ennis
Nenagh
Lahinch

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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