Shannon

$290+ Cheap flights from California 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SNN
Aug 26 — Sep 21
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Cheap flight deals from California to Shannon

Keep the following information in mind while searching for California to Shannon flight deals. Data was last updated August 21, 2025.

Round-trip from

$573
(American Airlines)

One-way from

$290
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$750
From California to Shannon
One-way flight from California to Shannon
Highest demand for flights based on searches. 17% potential increase in price ($193 potential increase over avg. RT price).
Cheapest flight prices on average. 8% potential price decrease ($66 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from California to Shannon

Cheapest flights from California to Shannon
Explore the most affordable flight options available from California to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:00 pmLAX - SNN
1 stop14h 45mAmerican Airlines
Sat 11/157:50 amSNN - LAX
1 stop16h 00mAmerican Airlines
Deal found 8/20$573
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:00 pmLAX - SNN
1 stop14h 45mAmerican Airlines
Mon 11/107:50 amSNN - LAX
1 stop16h 00mAmerican Airlines
Deal found 8/20$584
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:20 pmSFO - SNN
1 stop17h 15mAmerican Airlines
Thu 11/277:50 amSNN - SFO
1 stop18h 55mAmerican Airlines
Deal found 8/19$632
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.
Wed 9/106:30 amSFO - SNN
1 stop17h 00mUnited Airlines
Wed 10/1512:30 pmSNN - SFO
1 stop14h 30mUnited Airlines
Deal found 8/19$640
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Wed 9/109:00 amSFO - SNN
2 stops18h 20mAmerican Airlines
Wed 10/159:15 pmSNN - SFO
1 stop24h 35mAmerican Airlines
Deal found 8/21$642
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.
Mon 10/611:20 pmLAX - SNN
2 stops26h 55mUnited Airlines
Tue 10/2112:30 pmSNN - LAX
2 stops18h 30mUnited Airlines
Deal found 8/19$646
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.
Mon 10/66:36 pmONT - SNN
2 stops31h 39mUnited Airlines
Tue 10/2112:30 pmSNN - ONT
2 stops16h 54mUnited Airlines
Deal found 8/19$646
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.
Sun 8/311:05 pmSJC - SNN
2 stops34h 25mUnited Airlines
Thu 4/3012:30 pmSNN - SJC
2 stops16h 41mUnited Airlines
Deal found 8/19$647
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.
Sun 8/316:28 pmSFO - SNN
1 stop29h 02mUnited Airlines
Thu 4/3012:30 pmSNN - SFO
2 stops18h 32mUnited Airlines
Deal found 8/19$647
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/73:40 pmLAX - SNN
1 stop16h 30mAmerican Airlines
Fri 10/177:40 amSNN - LAX
1 stop17h 55mAmerican Airlines
Deal found 8/19$653
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/135:05 pmLAX - SNN
1 stop15h 05mAmerican Airlines
Fri 10/249:15 pmSNN - LAX
1 stop28h 50mAmerican Airlines
Deal found 8/18$654
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.
Tue 10/710:26 amLAX - SNN
2 stops15h 49mUnited Airlines
Fri 10/1712:30 pmSNN - LAX
1 stop15h 43mUnited Airlines
Deal found 8/19$655

Cheapflights Fare Finder

 
Customize your flight search to find flights from California 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 21, 2025.
Use the filters below to find and compare flights from California to Shannon that are best for you.

Fly from

California

Fly to

Shannon

Route

Depart

Return

Price

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Tue 11/4

6:00 pm-4:45 pm

1 stop14h 45m

Shannon

Sat 11/15

7:50 am-3:50 pm

1 stop16h 00m

$573

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Thu 11/6

6:00 pm-4:45 pm

1 stop14h 45m

Shannon

Mon 11/10

7:50 am-3:50 pm

1 stop16h 00m

$584

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 10/22

7:20 pm-8:35 pm

1 stop17h 15m

Shannon

Thu 11/27

7:50 am-6:45 pm

1 stop18h 55m

$632

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 9/10

6:30 am-7:30 am

1 stop17h 00m

Shannon

Wed 10/15

12:30 pm-7:00 pm

1 stop14h 30m

$640

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 9/10

2:17 pm-4:10 pm

2 stops17h 53m

Shannon

Wed 10/15

9:15 pm-1:50 pm

1 stop24h 35m

$642

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Mon 10/6

11:20 pm-10:15 am

2 stops26h 55m

Shannon

Tue 10/21

12:30 pm-11:00 pm

2 stops18h 30m

$646

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Mon 10/6

6:36 pm-10:15 am

2 stops31h 39m

Shannon

Tue 10/21

12:30 pm-9:24 pm

2 stops16h 54m

$646

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sun 8/31

6:28 pm-7:30 am

1 stop29h 02m

Shannon

Thu 4/30

12:30 pm-11:02 pm

2 stops18h 32m

$647

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

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Tue 10/7

3:40 pm-4:10 pm

1 stop16h 30m

Shannon

Fri 10/17

7:40 am-5:35 pm

1 stop17h 55m

$653

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 60 results
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Best time to book a flight from California to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from California 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 California to Shannon

What is the cheapest month to book a flight from California to Shannon, Clare?

Currently, February is the cheapest month in which you can book a flight from California to Shannon, Clare (average of $533). Flying from California 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.

What is the cheapest time of day to fly from CA to SNN?

Find hourly flight availability from California to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

When flying from California to Shannon, Clare, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from California to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Shannon from California?

    Located just 2.1 mi from the city center, Shannon (SNN) is the airport most travelers will use when flying to Shannon from California.

  • How long is the flight from California to Shannon, Clare?

    Departing from California to Shannon, Clare will take you 14h 45m. There are 5106 mi between California and Shannon, Clare. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from California to Shannon, Clare one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $365. United Airlines flights start at $438 while deals on British Airways start at $682 one-way.

  • What are the most popular routes from California to Shannon, Clare?

  • Can I find deals for flights from California to Shannon that include hotel bookings?

    Yes. In addition to deals on California to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to Shannon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Shannon.

  • Can I find deals for business class flights from California to Shannon?

    Yes. Cheapflights offers flight deals from California 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 California to Shannon, Clare?

    Currently, February is the cheapest month in which you can book a flight from California to Shannon, Clare (average of $533). Flying from California 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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Top 6 airlines flying from California to Shannon

Discover the top 6 airlines that operate flights from California to Shannon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$510Average$823FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$578Average$872FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$628Average$942FlexibilityNo cancel feeOn-time69%
DeltaCheapest$664Average$923FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$727Average$945FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$793Average$1,114FlexibilityNo cancel feeOn-time70%

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