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Shannon

$701+ Cheap flights from San Jose, CA (SJC) to Shannon (SNN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SNN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from San Jose to Shannon

Cheapest flights from San Jose to Shannon
Explore the most affordable flight options available from San Jose to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This oojo deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:13 amSJC - SNN
2 stops16h 17mBritish Airways
Fri 12/197:50 amSNN - SJC
2 stops23h 09mBritish Airways
Deal found 12/11$1,615
This Ovago deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:56 amSJC - SNN
2 stops41h 34mBritish Airways
Sat 12/272:45 pmSNN - SJC
2 stops30h 26mBritish Airways
Deal found 12/11$1,825
This oojo deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:53 amSJC - SNN
2 stops21h 52mBritish Airways
Thu 1/17:50 amSNN - SJC
2 stops22h 49mBritish Airways
Deal found 12/11$2,387
This oojo deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:01 pmSJC - SNN
2 stops18h 44mBritish Airways
Fri 1/27:50 amSNN - SJC
2 stops22h 49mBritish Airways
Deal found 12/11$7,482

Find flight deals from San Jose to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Shannon (SNN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Round-trip from

$681
(American Airlines)
From San Jose to Shannon
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose to Shannon 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, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from San Jose to Shannon that are best for you.

Fly from

San Jose

Fly to

Shannon

Route

Depart

Return

Price

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Wed 4/15

12:23 pm-4:10 pm

2 stops19h 47m

Shannon

Tue 4/21

9:15 pm-6:40 pm

2 stops29h 25m

$756

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Wed 1/14

12:50 pm-4:45 pm

2 stops19h 55m

Shannon

Tue 1/27

8:05 pm-9:29 pm

2 stops33h 24m

$757

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Wed 4/15

8:45 am-4:10 pm

3 stops23h 25m

Shannon

Tue 4/21

9:15 pm-9:07 pm

3 stops31h 52m

$794

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 1/11

11:51 am-4:45 pm

2 stops20h 54m

Shannon

Sat 1/31

5:25 pm-10:49 pm

2 stops37h 24m

$805

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sat 1/24

8:40 am-4:45 pm

3 stops24h 05m

Shannon

Sat 1/31

7:50 am-1:39 pm

3 stops37h 49m

$894

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Wed 12/24

9:56 am-11:30 am

2 stops41h 34m

Shannon

Sat 12/27

2:45 pm-1:11 pm

2 stops30h 26m

$1,825

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 12/23

10:53 am-4:45 pm

2 stops21h 52m

Shannon

Thu 1/1

7:50 am-10:39 pm

2 stops22h 49m

$2,387

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Wed 2/11

11:51 am-4:45 pm

2 stops20h 54m

Shannon

Sun 2/22

8:05 pm-10:56 pm

2 stops34h 51m

$5,070

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 2/10

11:51 am-4:45 pm

2 stops20h 54m

Shannon

Sat 2/21

5:25 pm-9:29 pm

2 stops36h 04m

$5,070

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sat 1/24

6:00 am-6:20 am

2 stops16h 20m

Shannon

Sat 1/31

7:50 am-9:29 pm

3 stops21h 39m

$5,774

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 13 results
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Best time to book a flight from San Jose to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from San Jose with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Jose to Shannon

What is the cheapest month to book a flight from San Jose, California to Shannon, Clare?

Currently, April is the cheapest month in which you can book a flight from San Jose, California to Shannon, Clare (average of $508). Flying from San Jose, California to Shannon, Clare in June is currently the most expensive (average of $863). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from San Jose to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Jose, California to Shannon, Clare?

    A quick flight from San Jose, California to Shannon, Clare can take about 19h 47m. British Airways provides one of the quickest options available for as low as $756. The distance from San Jose, California to Shannon, Clare is about 5032 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from San Jose to Shannon that include hotel bookings?

    Yes. In addition to deals on San Jose to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Jose to Shannon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Shannon.

  • Can I find deals for business class flights from San Jose to Shannon?

    Yes. Cheapflights offers flight deals from San Jose to Shannon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Jose, California to Shannon, Clare?

    Currently, April is the cheapest month in which you can book a flight from San Jose, California to Shannon, Clare (average of $508). Flying from San Jose, California to Shannon, Clare in June is currently the most expensive (average of $863). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Ennis

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