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Shannon

$316+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SNN
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheap 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 January 14, 2026.

Round-trip from

$473
(oojo)

One-way from

$316
(Cheapflightsfares)
From San Jose to Shannon
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One-way flight from San Jose to Shannon
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Find 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 January 14, 2026.

This oojo deal was found by Cheapflights users on 1/13. 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 3/242:26 pm
SJC
-
SNN
2 stops19h 19m
British Airways
Mon 3/309:15 pm
SNN
-
SJC
2 stops32h 06m
British Airways
Deal found 1/13$473
This KAYAK deal was found by Cheapflights users on 1/12. 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 8/129:49 am
SJC
-
SNN
2 stops22h 21m
British Airways
Fri 8/217:40 am
SNN
-
SJC
2 stops21h 26m
British Airways
Deal found 1/12$480
This United Airlines deal was found by Cheapflights users on 1/12. 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 8/126:40 am
SJC
-
SNN
1 stop16h 50m
United Airlines
Fri 8/219:30 am
SNN
-
SJC
1 stop21h 06m
United Airlines
Deal found 1/12$503
This British Airways deal was found by Cheapflights users on 1/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/272:07 pm
SJC
-
SNN
2 stops17h 38m
British Airways
Tue 3/38:05 pm
SNN
-
SJC
2 stops33h 25m
British Airways
Deal found 1/13$552
This oojo deal was found by Cheapflights users on 1/12. 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 4/912:47 pm
SJC
-
SNN
2 stops19h 23m
British Airways
Mon 4/209:15 pm
SNN
-
SJC
2 stops32h 45m
British Airways
Deal found 1/12$574
This oojo deal was found by Cheapflights users on 1/13. 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 2/272:07 pm
SJC
-
SNN
2 stops17h 38m
British Airways
Fri 3/68:05 pm
SNN
-
SJC
2 stops33h 25m
British Airways
Deal found 1/13$623
This oojo deal was found by Cheapflights users on 1/14. 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.
Sat 4/114:18 pm
SJC
-
SNN
2 stops20h 17m
British Airways
Sat 4/187:40 am
SNN
-
SJC
2 stops23h 19m
British Airways
Deal found 1/14$686
This oojo deal was found by Cheapflights users on 1/14. 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 6/71:11 pm
SJC
-
SNN
2 stops23h 24m
British Airways
Thu 6/187:40 am
SNN
-
SJC
2 stops19h 10m
British Airways
Deal found 1/14$993
This oojo deal was found by Cheapflights users on 1/13. 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 2/154:20 pm
SJC
-
SNN
2 stops16h 25m
Multiple Airlines
Fri 2/205:30 pm
SNN
-
SJC
2 stops36h 00m
Multiple Airlines
Deal found 1/13$1,076

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 January 14, 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

Tue 3/24

2:26 pm-4:45 pm

2 stops19h 19m

Shannon

Mon 3/30

9:15 pm-9:21 pm

2 stops32h 06m

$473

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Fri 2/27

2:07 pm-3:45 pm

2 stops17h 38m

Shannon

Tue 3/3

8:05 pm-9:30 pm

2 stops33h 25m

$552

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 4/16

12:47 pm-4:10 pm

2 stops19h 23m

Shannon

Thu 4/23

9:15 pm-10:59 pm

2 stops33h 44m

$574

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 4/9

12:47 pm-4:10 pm

2 stops19h 23m

Shannon

Mon 4/20

9:15 pm-10:00 pm

2 stops32h 45m

$574

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Fri 2/27

2:07 pm-3:45 pm

2 stops17h 38m

Shannon

Fri 3/6

8:05 pm-9:30 pm

2 stops33h 25m

$623

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sat 4/11

4:18 pm-8:35 pm

2 stops20h 17m

Shannon

Sat 4/18

7:40 am-10:59 pm

2 stops23h 19m

$686

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 6/7

1:11 pm-8:35 pm

2 stops23h 24m

Shannon

Thu 6/18

7:40 am-6:50 pm

2 stops19h 10m

$993

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 2/15

4:20 pm-4:45 pm

2 stops16h 25m

Shannon

Fri 2/20

5:30 pm-9:30 pm

2 stops36h 00m

$1,076

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sat 2/28

4:20 pm-7:25 pm

2 stops19h 05m

Shannon

Wed 3/11

8:05 pm-10:51 pm

2 stops33h 46m

$4,420

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sat 3/21

4:20 pm-4:45 pm

2 stops17h 25m

Shannon

Sat 3/28

5:25 pm-10:10 pm

2 stops35h 45m

$4,719

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 14 results
1
2

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 19m. British Airways provides one of the quickest options available for as low as $473. The distance from San Jose, California to Shannon, Clare is about 5032 mi.

  • 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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