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Shannon

$547+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SNN
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 4, 2025.

This oojo deal was found by Cheapflights users on 12/1. 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 12/22:27 pmSJC - SNN
2 stops18h 18mBritish Airways
Tue 12/97:50 amSNN - SJC
2 stops23h 09mBritish Airways
Deal found 12/1$1,131
This oojo deal was found by Cheapflights users on 12/3. 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 12/268:59 amSJC - SNN
2 stops42h 31mBritish Airways
Fri 1/97:50 amSNN - SJC
2 stops21h 39mBritish Airways
Deal found 12/3$1,430

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 4, 2025.

Round-trip from

$547
(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 4, 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

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

Thu 2/19

6:00 am-11:30 am

2 stops45h 30m

Shannon

Mon 2/23

5:30 pm-9:29 pm

2 stops35h 59m

$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

Sun 1/18

11:51 am-4:45 pm

2 stops20h 54m

Shannon

Sun 1/25

7:50 am-10:49 pm

2 stops22h 59m

$689

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Wed 5/13

12:48 pm-4:10 pm

2 stops19h 22m

Shannon

Sun 5/31

7:40 am-8:25 pm

2 stops20h 45m

$806

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 1/18

8:40 am-4:45 pm

3 stops24h 05m

Shannon

Sun 1/25

7:50 am-8:56 pm

3 stops45h 06m

$908

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 11 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, October is the cheapest month in which you can book a flight from San Jose, California to Shannon, Clare (average of $539). 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 21h 30m. American Airlines provides one of the quickest options available for as low as $547. 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, October is the cheapest month in which you can book a flight from San Jose, California to Shannon, Clare (average of $539). 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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