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Shannon

$553+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SNN
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This Ovago deal was found by Cheapflights users on 1/26. 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.
Tue 9/86:40 am
SJC
-
SNN
1 stop16h 50m
Multiple Airlines
Tue 9/159:30 am
SNN
-
SJC
1 stop21h 06m
Multiple Airlines
Deal found 1/26$602
This oojo deal was found by Cheapflights users on 1/26. 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 9/812:40 pm
SJC
-
SNN
2 stops19h 30m
British Airways
Tue 9/159:15 pm
SNN
-
SJC
2 stops29h 11m
British Airways
Deal found 1/26$707
This British Airways deal was found by Cheapflights users on 1/26. 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 2/276:00 am
SJC
-
SNN
2 stops21h 30m
British Airways
Tue 3/38:05 pm
SNN
-
SJC
2 stops34h 26m
British Airways
Deal found 1/26$835
This KAYAK deal was found by Cheapflights users on 1/26. 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.
Sat 3/216:00 am
SJC
-
SNN
2 stops27h 45m
British Airways
Sun 3/299:15 pm
SNN
-
SJC
2 stops44h 56m
British Airways
Deal found 1/26$887
This Air Canada deal was found by Cheapflights users on 1/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/218:45 am
SJC
-
SNN
3 stops25h 00m
Air Canada
Sun 3/299:15 pm
SNN
-
SJC
3 stops31h 52m
Air Canada
Deal found 1/25$1,035
This oojo deal was found by Cheapflights users on 1/27. 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 4/512:52 pm
SJC
-
SNN
2 stops19h 18m
British Airways
Thu 4/167:30 am
SNN
-
SJC
2 stops22h 30m
British Airways
Deal found 1/27$5,123
This oojo deal was found by Cheapflights users on 1/26. 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 3/262:08 pm
SJC
-
SNN
2 stops19h 37m
British Airways
Mon 4/67:30 am
SNN
-
SJC
2 stops21h 51m
British Airways
Deal found 1/26$5,344
This oojo deal was found by Cheapflights users on 1/27. 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 3/272:08 pm
SJC
-
SNN
2 stops18h 37m
British Airways
Tue 4/77:30 am
SNN
-
SJC
2 stops22h 40m
British Airways
Deal found 1/27$5,345
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:00 am
SJC
-
SNN
2 stops17h 20m
American Airlines
Sun 3/297:30 am
SNN
-
SJC
3 stops23h 02m
American Airlines
Deal found 1/26$5,775

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 January 27, 2026.

Round-trip from

$799
(Air Canada)

One-way from

$553
(oojo)
From San Jose to Shannon
Search Deals
One-way flight from San Jose to Shannon
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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 27, 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

Fri 2/27

6:00 am-3:45 pm

2 stops25h 45m

Shannon

Tue 3/3

8:05 pm-9:30 pm

2 stops33h 25m

$835

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sat 3/21

6:00 am-4:45 pm

2 stops27h 45m

Shannon

Sun 3/29

9:15 pm-10:11 am

2 stops44h 56m

$887

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sat 3/21

8:45 am-4:45 pm

3 stops25h 00m

Shannon

Sun 3/29

9:15 pm-9:07 pm

3 stops31h 52m

$1,035

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 4/5

12:52 pm-4:10 pm

2 stops19h 18m

Shannon

Thu 4/16

7:30 am-10:00 pm

2 stops22h 30m

$5,123

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 3/26

2:08 pm-4:45 pm

2 stops19h 37m

Shannon

Mon 4/6

7:30 am-9:21 pm

2 stops21h 51m

$5,344

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Fri 3/27

2:08 pm-3:45 pm

2 stops18h 37m

Shannon

Tue 4/7

7:30 am-10:10 pm

2 stops22h 40m

$5,345

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sat 3/21

6:00 am-6:20 am

2 stops17h 20m

Shannon

Sun 3/29

7:30 am-10:32 pm

3 stops23h 02m

$5,775

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Wed 2/4

12:46 pm-4:45 pm

2 stops19h 59m

$553

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 3/17

11:02 am-11:30 am

2 stops17h 28m

$559

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Tue 3/10

11:02 am-11:30 am

2 stops17h 28m

$559

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 12 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 $839). 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 25h. British Airways provides one of the quickest options available for as low as $1,035. 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 $839). 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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