Shannon

$438+ Cheap flights from Riverside, CA 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SNN
Oct 15 — Oct 221
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Riverside to Shannon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Riverside to Shannon

Keep the following information in mind while searching for Riverside to Shannon flight deals. Data was last updated September 15, 2025.

Round-trip from

$485
(American Airlines)

One-way from

$438
(United Airlines)

Popular in

December

Cheapest in

March

Average price

$787
From Riverside to Shannon
One-way flight from Riverside to Shannon
Highest demand for flights based on searches. 19% potential increase in price ($223 potential increase over avg. RT price).
Cheapest flight prices on average. 9% potential price decrease ($78 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Riverside to Shannon

Cheapest flights from Riverside to Shannon
Explore the most affordable flight options available from Riverside to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:45 pmLAX - SNN
1 stop15h 00mAmerican Airlines
Tue 11/47:50 amSNN - LAX
1 stop18h 40mAmerican Airlines
Deal found 9/13$485
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/191:25 pmLAX - SNN
1 stop13h 55mAmerican Airlines
Tue 11/47:50 amSNN - LAX
1 stop15h 30mAmerican Airlines
Deal found 9/13$486
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/71:25 pmLAX - SNN
1 stop23h 10mAmerican Airlines
Fri 10/177:40 amSNN - LAX
1 stop18h 25mAmerican Airlines
Deal found 9/14$565
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:15 amLAX - SNN
2 stops19h 00mUnited Airlines
Fri 10/1712:30 pmSNN - LAX
1 stop17h 04mUnited Airlines
Deal found 9/14$572
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:30 pmLAX - SNN
1 stop13h 15mAmerican Airlines
Sun 11/237:50 amSNN - LAX
1 stop15h 30mAmerican Airlines
Deal found 9/13$584
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:46 pmLAX - SNN
2 stops15h 04mAmerican Airlines
Sat 11/17:50 amSNN - LAX
2 stops21h 04mAmerican Airlines
Deal found 9/13$598
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 11/145:45 pmLAX - SNN
1 stop14h 00mAmerican Airlines
Fri 11/217:50 amSNN - LAX
1 stop18h 35mAmerican Airlines
Deal found 9/15$629

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside 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 September 15, 2025.
Use the filters below to find and compare flights from Riverside to Shannon that are best for you.

Fly from

Riverside

Fly to

Shannon

Route

Depart

Return

Price

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Tue 10/28

6:45 pm-4:45 pm

1 stop15h 00m

Shannon

Tue 11/4

7:50 am-6:30 pm

1 stop18h 40m

$485

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Tue 10/7

5:31 am-10:15 am

2 stops20h 44m

Shannon

Fri 10/17

12:30 pm-8:13 pm

1 stop15h 43m

$572

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Sat 10/25

8:30 pm-4:45 pm

1 stop13h 15m

Shannon

Sun 11/23

7:50 am-3:20 pm

1 stop15h 30m

$584

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Fri 10/24

2:20 pm-3:50 pm

2 stops17h 30m

Shannon

Sat 11/1

7:50 am-4:10 pm

1 stop15h 20m

$588

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Fri 11/14

5:45 pm-3:45 pm

1 stop14h 00m

Shannon

Fri 11/21

7:50 am-6:25 pm

1 stop18h 35m

$629

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Mon 9/22

9:35 pm-8:35 pm

1 stop15h 00m

Shannon

Mon 10/13

9:15 pm-2:55 pm

1 stop25h 40m

$644

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Fri 10/17

10:15 am-10:15 am

2 stops16h 00m

$438

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Sat 9/20

9:30 pm-7:30 am

2 stops26h 00m

$528

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Sun 9/21

5:25 am-7:30 am

2 stops18h 05m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Riverside to Shannon

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

How far ahead should I book a flight from Riverside to Shannon, Clare?

Use this chart to determine the optimal time to book a round-trip flight from Riverside to Shannon. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Riverside to Shannon, Clare, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Riverside to Shannon, Clare (average of $533). Flying from Riverside to Shannon, Clare in June is currently the most expensive (average of $926). 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 R1V to SNN?

Find hourly flight availability from Riverside 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 September 15, 2025.

When flying from Riverside 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.

What is the cheapest day to fly from Riverside to Shannon, Clare?

Use this chart to determine the cheapest time to fly round-trip from Riverside to Shannon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Riverside to Shannon, Clare flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 15, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Riverside to Shannon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

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.
8.0
Very good
8.0
Very good

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

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.
8.0
Very good

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

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.
8.0
Very good

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

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.
8.0
Very good

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

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 Riverside 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 Riverside?

    Shannon (SNN), located 2.1 mi from the city center, is the airport you fly into when you book flights from Riverside to Shannon. 4 airlines have flights to Shannon from Riverside on a regular basis. Booking flights from Riverside to Shannon should not be difficult; the airport handles an average of 0 inbound flights from Riverside per day.

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

    Airlines like American Airlines and United Airlines fly from Riverside to Shannon, Clare in about 15h. The time it takes to get you to your destination can typically vary by up to 5h 44m. The distance between Riverside and Shannon, Clare is about 5106 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Riverside to Shannon, Clare (average of $533). Flying from Riverside to Shannon, Clare in June is currently the most expensive (average of $926). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Riverside to Shannon

Discover the top 4 airlines that operate flights from Riverside 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$483Average$750FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$654Average$1,007FlexibilityNo cancel feeOn-time69%
DeltaCheapest$675Average$911FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$797Average$1,093FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.