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Shannon

$316+ Cheap flights from Irvine, 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SNN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Irvine to Shannon

Keep the following information in mind while searching for Irvine to Shannon flight deals. Data was last updated September 16, 2025.

Round-trip from

$535
(American Airlines)

One-way from

$316
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

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

Cheapest flights from Irvine to Shannon
Explore the most affordable flight options available from Irvine to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

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 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/71:30 pmLAX - SNN
1 stop12h 45mUnited Airlines
Fri 10/1712:30 pmSNN - LAX
1 stop17h 04mUnited Airlines
Deal found 9/15$567
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/316:45 pmLAX - SNN
1 stop14h 00mAmerican Airlines
Fri 11/77:50 amSNN - LAX
1 stop15h 30mAmerican Airlines
Deal found 9/16$580
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.
Sat 10/258:30 pmLAX - SNN
1 stop13h 15mAmerican Airlines
Sun 11/237:50 amSNN - LAX
1 stop18h 40mAmerican Airlines
Deal found 9/14$584
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/241:25 pmLAX - SNN
1 stop18h 25mAmerican Airlines
Sat 11/17:50 amSNN - LAX
1 stop15h 20mAmerican Airlines
Deal found 9/16$629
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 11/141:46 pmLAX - SNN
2 stops17h 59mAmerican Airlines
Fri 11/217:50 amSNN - LAX
1 stop18h 35mAmerican Airlines
Deal found 9/15$633

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine 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 16, 2025.
Use the filters below to find and compare flights from Irvine to Shannon that are best for you.

Fly from

Irvine

Fly to

Shannon

Route

Depart

Return

Price

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Fri 1/30

3:30 pm-3:45 pm

1 stop16h 15m

Shannon

Fri 2/6

7:50 am-6:25 pm

1 stop18h 35m

$535

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Tue 10/7

1:30 pm-10:15 am

1 stop12h 45m

Shannon

Fri 10/17

12:30 pm-9:34 pm

1 stop17h 04m

$567

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Thu 1/8

12:15 pm-9:35 pm

2 stops25h 20m

$316

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Fri 10/17

5:31 am-10:15 am

2 stops20h 44m

$438

Los AngelesShannon

LAX - SNN

LAXSNN

Los Angeles

Sun 9/21

1:25 pm-11:20 am

1 stop13h 55m

$526

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Irvine to Shannon

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

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

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

Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Irvine to Shannon, Clare. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Irvine to Shannon, Clare (average of $533). Flying from Irvine to Shannon, Clare in June is currently the most expensive (average of $928). 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 IR9 to SNN?

Find hourly flight availability from Irvine 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 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irvine to Shannon, Clare as you normally would.

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

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

Travelers seeking maximum savings on their Irvine 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 16, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Irvine to Shannon to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,957 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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.
British Airways
6.7
Okay
7,363 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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 Irvine 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 Irvine?

    For a flight from Irvine to Shannon, you will be flying into Shannon. Shannon (SNN) is just 2.1 mi from the center of the city. Shannon is the only Shannon airport and it handles 0 inbound flights from Irvine per day. 4 airlines have flights to Shannon from Irvine on a regular basis.

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

    Airlines like American Airlines fly from Irvine to Shannon, Clare in about 16h 15m. The time it takes to get you to your destination can typically vary by up to . The distance from Irvine to Shannon, Clare is about 5106 mi.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Irvine to Shannon, Clare (average of $533). Flying from Irvine to Shannon, Clare in June is currently the most expensive (average of $928). 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 4 airlines flying from Irvine to Shannon

Discover the top 4 airlines that operate flights from Irvine 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 16, 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%

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