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Shannon

$570+ Cheap flights from San Jose, CA (SJC) to Shannon (SNN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SNN
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
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 February 12, 2026.

This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:30 pm
SJC
-
SNN
2 stops29h 00m
United Airlines
Sat 9/1212:30 pm
SNN
-
SJC
2 stops18h 06m
United Airlines
Deal found 2/10$588
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:40 am
SJC
-
SNN
1 stop16h 50m
United Airlines
Mon 9/219:30 am
SNN
-
SJC
1 stop21h 06m
United Airlines
Deal found 2/11$611
This oojo deal was found by Cheapflights users on 2/11. 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.
Wed 9/92:25 pm
SJC
-
SNN
2 stops17h 45m
British Airways
Mon 9/219:15 pm
SNN
-
SJC
2 stops27h 03m
British Airways
Deal found 2/11$726
This KAYAK deal was found by Cheapflights users on 2/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:46 pm
SJC
-
SNN
2 stops19h 24m
British Airways
Thu 11/57:50 am
SNN
-
SJC
2 stops20h 59m
British Airways
Deal found 2/9$753
This oojo deal was found by Cheapflights users on 2/10. 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.
Wed 4/296:00 am
SJC
-
SNN
2 stops21h 20m
British Airways
Sun 5/39:15 pm
SNN
-
SJC
2 stops33h 44m
British Airways
Deal found 2/10$811
This oojo deal was found by Cheapflights users on 2/9. 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.
Wed 2/182:07 pm
SJC
-
SNN
2 stops18h 38m
British Airways
Wed 3/48:05 pm
SNN
-
SJC
2 stops33h 25m
British Airways
Deal found 2/9$827
This oojo deal was found by Cheapflights users on 2/11. 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.
Thu 5/712:46 pm
SJC
-
SNN
2 stops23h 49m
British Airways
Fri 5/157:30 am
SNN
-
SJC
2 stops23h 29m
British Airways
Deal found 2/11$828
This oojo deal was found by Cheapflights users on 2/8. 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.
Sun 3/292:08 pm
SJC
-
SNN
2 stops18h 02m
British Airways
Sun 4/127:30 am
SNN
-
SJC
2 stops22h 29m
British Airways
Deal found 2/8$857
This oojo deal was found by Cheapflights users on 2/9. 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 6/811:52 am
SJC
-
SNN
2 stops20h 18m
British Airways
Mon 6/159:15 pm
SNN
-
SJC
2 stops29h 35m
British Airways
Deal found 2/9$863

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 February 12, 2026.

Round-trip from

$811
(oojo)

One-way from

$570
(FlightHub)
From San Jose to Shannon
Search Deals
One-way flight 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 February 12, 2026.
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 4/29

6:00 am-11:20 am

2 stops21h 20m

Shannon

Sun 5/3

9:15 pm-10:59 pm

2 stops33h 44m

$811

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 5/7

12:46 pm-8:35 pm

2 stops23h 49m

Shannon

Fri 5/15

7:30 am-10:59 pm

2 stops23h 29m

$828

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 3/29

2:08 pm-4:10 pm

2 stops18h 02m

Shannon

Sun 4/12

7:30 am-9:59 pm

2 stops22h 29m

$857

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Mon 6/8

11:52 am-4:10 pm

2 stops20h 18m

Shannon

Mon 6/15

9:15 pm-6:50 pm

2 stops29h 35m

$863

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Fri 3/27

6:00 am-6:20 am

2 stops17h 20m

Shannon

Fri 4/3

1:45 pm-10:16 am

2 stops28h 31m

$889

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 4/30

12:44 pm-4:10 pm

2 stops19h 26m

Shannon

Sat 5/9

7:30 am-7:04 pm

2 stops19h 34m

$903

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 7/16

12:41 pm-4:10 pm

2 stops19h 29m

Shannon

Tue 7/28

4:50 pm-6:50 pm

2 stops34h 00m

$906

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Fri 2/27

6:00 am-11:30 am

2 stops21h 30m

Shannon

Tue 3/3

8:05 pm-10:11 am

2 stops46h 06m

$920

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Fri 3/27

4:20 pm-3:05 pm

2 stops39h 45m

Shannon

Fri 4/10

7:30 am-9:59 pm

2 stops22h 29m

$980

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Mon 7/27

2:36 pm-4:10 pm

2 stops17h 34m

$570

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

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, 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 $802). 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 17h 20m. British Airways provides one of the quickest options available for as low as $889. 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 $802). 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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