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Shannon

$513+ Cheap flights from San Jose (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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — SNN
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$647
(United Airlines)

One-way from

$513
(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 August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 8/311:05 pmSJC - SNN
2 stops34h 25mUnited Airlines
Thu 4/3012:30 pmSNN - SJC
2 stops16h 41mUnited Airlines
Deal found 8/20$647
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 10/26:30 amSJC - SNN
2 stops19h 45mUnited Airlines
Thu 10/912:30 pmSNN - SJC
2 stops29h 22mUnited Airlines
Deal found 8/18$698
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 8/316:30 amSJC - SNN
1 stop17h 00mUnited Airlines
Wed 9/39:30 amSNN - SJC
1 stop21h 10mUnited Airlines
Deal found 8/18$724
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 9/16:30 amSJC - SNN
1 stop17h 00mUnited Airlines
Thu 9/49:30 amSNN - SJC
2 stops15h 47mUnited Airlines
Deal found 8/18$794
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 10/38:45 amSJC - SNN
2 stops17h 30mUnited Airlines
Fri 10/1012:30 pmSNN - SJC
2 stops17h 54mUnited Airlines
Deal found 8/19$805
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 8/246:30 amSJC - SNN
1 stop17h 00mUnited Airlines
Sat 8/309:30 amSNN - SJC
1 stop21h 10mUnited Airlines
Deal found 8/20$1,293
This Mytrip deal was found by Cheapflights users on 8/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/211:40 amSJC - SNN
3 stops34h 15mMultiple Airlines
Thu 10/97:10 amSNN - SJC
3 stops32h 08mMultiple Airlines
Deal found 8/18$1,641
This Arangrant deal was found by Cheapflights users on 8/19. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/38:00 amSJC - SNN
2 stops23h 50mBritish Airways
Fri 10/109:15 pmSNN - SJC
2 stops27h 38mBritish Airways
Deal found 8/19$2,119

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 August 20, 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

Sun 8/31

1:05 pm-7:30 am

2 stops34h 25m

Shannon

Thu 4/30

12:30 pm-9:11 pm

2 stops16h 41m

$647

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 10/2

6:30 am-10:15 am

2 stops19h 45m

Shannon

Thu 10/9

12:30 pm-9:52 am

2 stops29h 22m

$698

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 8/31

6:30 am-7:30 am

1 stop17h 00m

Shannon

Wed 9/3

9:30 am-10:40 pm

1 stop21h 10m

$724

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Mon 9/1

6:30 am-7:30 am

1 stop17h 00m

Shannon

Thu 9/4

9:30 am-5:17 pm

2 stops15h 47m

$794

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Wed 10/15

3:15 pm-4:10 pm

2 stops16h 55m

$513

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Thu 10/23

10:53 am-11:20 am

2 stops16h 27m

$560

San JoseShannon

SJC - SNN

SJCSNN

San Jose

Sun 9/7

8:00 am-4:10 pm

2 stops24h 10m

$682

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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 to Shannon, Clare?

Currently, February is the cheapest month in which you can book a flight from San Jose to Shannon, Clare (average of $533). Flying from San Jose to Shannon, Clare in June is currently the most expensive (average of $931). 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 to Shannon, Clare?

    For as low as $647, United Airlines can have you in Shannon, Clare from San Jose in 34h 25m. Airlines will cover a distance of 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 to Shannon, Clare?

    Currently, February is the cheapest month in which you can book a flight from San Jose to Shannon, Clare (average of $533). Flying from San Jose to Shannon, Clare in June is currently the most expensive (average of $931). 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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