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Shannon

$346+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SNN
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$719
(Delta)

One-way from

$346
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$634
Provider with most accurate pricing for Los Angeles-Shannon flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Shannon flights.
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From California to Shannon
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One-way flight from California to Shannon
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Highest demand for flights based on searches. 19% potential increase in price ($221 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($77 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 31, 2025.

This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:45 amSNA - SNN
2 stops19h 30mUnited Airlines
Fri 10/2412:30 pmSNN - SNA
2 stops29h 20mUnited Airlines
Deal found 3/31$713
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/251:00 pmSFO - SNN
1 stop14h 10mDelta
Tue 6/101:05 pmSNN - SFO
1 stop15h 52mDelta
Deal found 3/30$719
This American Airlines deal was found by Cheapflights users on 3/30. 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 5/141:25 pmLAX - SNN
1 stop13h 55mAmerican Airlines
Wed 6/47:40 amSNN - LAX
1 stop20h 35mAmerican Airlines
Deal found 3/30$720
This United Airlines deal was found by Cheapflights users on 3/31. 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 5/612:30 pmLAX - SNN
1 stop13h 45mUnited Airlines
Thu 5/1512:30 pmSNN - LAX
1 stop16h 19mUnited Airlines
Deal found 3/31$724
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/287:05 amSMF - SNN
2 stops20h 05mDelta
Fri 6/61:05 pmSNN - SMF
2 stops30h 38mDelta
Deal found 3/31$728
This United deal was found by Cheapflights users on 3/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2911:17 amSFO - SNN
2 stops14h 58mUnited Airlines
Wed 8/2712:30 pmSNN - SFO
2 stops26h 55mUnited Airlines
Deal found 3/30$728
This United Airlines deal was found by Cheapflights users on 3/31. 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 5/612:57 pmLAS - SNN
1 stop13h 18mUnited Airlines
Thu 5/2212:30 pmSNN - LAS
2 stops19h 57mUnited Airlines
Deal found 3/31$728
This United Airlines deal was found by Cheapflights users on 3/30. 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 9/28:37 pmSAN - SNN
2 stops26h 53mUnited Airlines
Tue 9/239:30 amSNN - SAN
1 stop14h 20mUnited Airlines
Deal found 3/30$728
This KLM deal was found by Cheapflights users on 3/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/911:45 pmLAX - SNN
2 stops27h 25mAir France
Thu 9/181:05 pmSNN - LAX
2 stops18h 20mAir France
Deal found 3/30$728
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/66:08 amONT - SNN
2 stops20h 07mUnited Airlines
Thu 5/1512:30 pmSNN - ONT
2 stops17h 30mUnited Airlines
Deal found 3/30$728
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Wed 5/214:30 pmLAX - SNN
1 stop14h 15mMultiple Airlines
Sat 5/311:35 pmSNN - LAX
1 stop32h 35mMultiple Airlines
Deal found 3/30$739
This American Airlines deal was found by Cheapflights users on 3/30. 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 5/62:50 pmSFO - SNN
2 stops17h 20mAmerican Airlines
Sat 5/177:40 amSNN - SFO
2 stops21h 20mAmerican Airlines
Deal found 3/30$744

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 March 31, 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

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sun 5/25

9:49 am-11:10 am

2 stops17h 21m

Shannon

Tue 6/10

1:05 pm-11:52 pm

1 stop18h 47m

$719

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Wed 5/14

1:25 pm-11:20 am

1 stop13h 55m

Shannon

Wed 6/4

7:40 am-8:15 pm

1 stop20h 35m

$720

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Tue 5/6

12:30 pm-10:15 am

1 stop13h 45m

Shannon

Thu 5/15

12:30 pm-8:49 pm

1 stop16h 19m

$724

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Tue 9/9

11:45 pm-11:10 am

2 stops27h 25m

Shannon

Thu 9/18

1:05 pm-11:25 pm

2 stops18h 20m

$728

SacramentoShannon

SMF - SNN

SMFSNN

Sacramento Intl

Wed 5/28

7:05 am-11:10 am

2 stops20h 05m

Shannon

Fri 6/6

1:05 pm-11:43 am

2 stops30h 38m

$728

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 7/29

11:17 am-10:15 am

2 stops14h 58m

Shannon

Wed 8/27

12:30 pm-7:25 am

2 stops26h 55m

$728

Las VegasShannon

LAS - SNN

LASSNN

Las Vegas Harry Reid Intl

Tue 5/6

12:57 pm-10:15 am

1 stop13h 18m

Shannon

Thu 5/22

12:30 pm-12:27 am

2 stops19h 57m

$728

San DiegoShannon

SAN - SNN

SANSNN

San Diego

Wed 5/14

6:15 am-10:15 am

2 stops20h 00m

Shannon

Wed 5/21

12:30 pm-9:22 pm

2 stops16h 52m

$728

Santa AnaShannon

SNA - SNN

SNASNN

Santa Ana J. Wayne/Orange Cnty

Tue 5/6

8:45 am-10:15 am

2 stops17h 30m

Shannon

Thu 5/15

12:30 pm-10:00 pm

2 stops17h 30m

$728

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 5/6

6:08 am-10:15 am

2 stops20h 07m

Shannon

Thu 5/15

12:30 pm-10:00 pm

2 stops17h 30m

$728

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 52 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 $1,007). 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 March 31, 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.

Rainfall in Shannon by month

Plan your trip to Shannon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Shannon, Clare ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Shannon, Clare when rainfall is around 2.3 in.

Temperature in Shannon by month

Plan your trip to Shannon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Shannon, Clare, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Shannon. Reviews last updated March 31, 2025.
Get a feel of what it's like to fly with Delta, KLM and Air France from California to Shannon by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $457. American Airlines flights start at $467 while deals on Air France start at $474 one-way.

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

    Most travelers choose San Francisco - Shannon, Los Angeles - Shannon or Ontario - Shannon when deciding on the best route 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 $1,007). 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 California?

Book flights to California if you plan to visit one of these locations
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Alternative routes for California to Shannon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from California to Shannon

Discover the top 5 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$517Average$942FlexibilityNo cancel feeOn-time71%
DeltaCheapest$670Average$959FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$704Average$993FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$727Average$943FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$752Average$1,168FlexibilityNo cancel feeOn-time70%
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